Chris Lattner | 87351e2 | 2007-04-29 05:31:57 +0000 | [diff] [blame] | 1 | //===--- Bitcode/Writer/BitcodeWriter.cpp - Bitcode Writer ----------------===// |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | f3ebc3f | 2007-12-29 20:36:04 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // Bitcode writer implementation. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Teresa Johnson | ad17679 | 2016-11-11 05:34:58 +0000 | [diff] [blame] | 14 | #include "llvm/Bitcode/BitcodeWriter.h" |
Chandler Carruth | ed0881b | 2012-12-03 16:50:05 +0000 | [diff] [blame] | 15 | #include "ValueEnumerator.h" |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 16 | #include "llvm/ADT/StringExtras.h" |
Chandler Carruth | ed0881b | 2012-12-03 16:50:05 +0000 | [diff] [blame] | 17 | #include "llvm/ADT/Triple.h" |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 18 | #include "llvm/Bitcode/BitstreamWriter.h" |
Chris Lattner | 362b4a1 | 2007-04-23 01:01:37 +0000 | [diff] [blame] | 19 | #include "llvm/Bitcode/LLVMBitCodes.h" |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 20 | #include "llvm/IR/CallSite.h" |
Chandler Carruth | 9fb823b | 2013-01-02 11:36:10 +0000 | [diff] [blame] | 21 | #include "llvm/IR/Constants.h" |
Duncan P. N. Exon Smith | d9901ff | 2015-02-02 18:53:21 +0000 | [diff] [blame] | 22 | #include "llvm/IR/DebugInfoMetadata.h" |
Chandler Carruth | 9fb823b | 2013-01-02 11:36:10 +0000 | [diff] [blame] | 23 | #include "llvm/IR/DerivedTypes.h" |
| 24 | #include "llvm/IR/InlineAsm.h" |
| 25 | #include "llvm/IR/Instructions.h" |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 26 | #include "llvm/IR/LLVMContext.h" |
Chandler Carruth | 9fb823b | 2013-01-02 11:36:10 +0000 | [diff] [blame] | 27 | #include "llvm/IR/Module.h" |
| 28 | #include "llvm/IR/Operator.h" |
Duncan P. N. Exon Smith | 6b6fdc9 | 2014-07-25 14:49:26 +0000 | [diff] [blame] | 29 | #include "llvm/IR/UseListOrder.h" |
Chandler Carruth | 9fb823b | 2013-01-02 11:36:10 +0000 | [diff] [blame] | 30 | #include "llvm/IR/ValueSymbolTable.h" |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 31 | #include "llvm/MC/StringTableBuilder.h" |
Torok Edwin | 56d0659 | 2009-07-11 20:10:48 +0000 | [diff] [blame] | 32 | #include "llvm/Support/ErrorHandling.h" |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 33 | #include "llvm/Support/MathExtras.h" |
Michael J. Spencer | 447762d | 2010-11-29 18:16:10 +0000 | [diff] [blame] | 34 | #include "llvm/Support/Program.h" |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 35 | #include "llvm/Support/SHA1.h" |
Mehdi Amini | b550cb1 | 2016-04-18 09:17:29 +0000 | [diff] [blame] | 36 | #include "llvm/Support/raw_ostream.h" |
Nick Lewycky | 0de20af | 2010-12-19 20:43:38 +0000 | [diff] [blame] | 37 | #include <cctype> |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 38 | #include <map> |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 39 | using namespace llvm; |
| 40 | |
Benjamin Kramer | a65b610 | 2016-05-15 15:18:11 +0000 | [diff] [blame] | 41 | namespace { |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 42 | |
| 43 | cl::opt<unsigned> |
| 44 | IndexThreshold("bitcode-mdindex-threshold", cl::Hidden, cl::init(25), |
| 45 | cl::desc("Number of metadatas above which we emit an index " |
| 46 | "to enable lazy-loading")); |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 47 | /// These are manifest constants used by the bitcode writer. They do not need to |
| 48 | /// be kept in sync with the reader, but need to be consistent within this file. |
| 49 | enum { |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 50 | // VALUE_SYMTAB_BLOCK abbrev id's. |
| 51 | VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
Chris Lattner | fd1ad10 | 2007-05-04 20:58:35 +0000 | [diff] [blame] | 52 | VST_ENTRY_7_ABBREV, |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 53 | VST_ENTRY_6_ABBREV, |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 54 | VST_BBENTRY_6_ABBREV, |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 55 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 56 | // CONSTANTS_BLOCK abbrev id's. |
| 57 | CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
| 58 | CONSTANTS_INTEGER_ABBREV, |
| 59 | CONSTANTS_CE_CAST_Abbrev, |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 60 | CONSTANTS_NULL_Abbrev, |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 61 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 62 | // FUNCTION_BLOCK abbrev id's. |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 63 | FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 64 | FUNCTION_INST_BINOP_ABBREV, |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 65 | FUNCTION_INST_BINOP_FLAGS_ABBREV, |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 66 | FUNCTION_INST_CAST_ABBREV, |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 67 | FUNCTION_INST_RET_VOID_ABBREV, |
| 68 | FUNCTION_INST_RET_VAL_ABBREV, |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 69 | FUNCTION_INST_UNREACHABLE_ABBREV, |
| 70 | FUNCTION_INST_GEP_ABBREV, |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 73 | /// Abstract class to manage the bitcode writing, subclassed for each bitcode |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 74 | /// file type. |
| 75 | class BitcodeWriterBase { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 76 | protected: |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 77 | /// The stream created and owned by the client. |
| 78 | BitstreamWriter &Stream; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 79 | |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 80 | StringTableBuilder &StrtabBuilder; |
| 81 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 82 | public: |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 83 | /// Constructs a BitcodeWriterBase object that writes to the provided |
| 84 | /// \p Stream. |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 85 | BitcodeWriterBase(BitstreamWriter &Stream, StringTableBuilder &StrtabBuilder) |
| 86 | : Stream(Stream), StrtabBuilder(StrtabBuilder) {} |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 87 | |
| 88 | protected: |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 89 | void writeBitcodeHeader(); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 90 | void writeModuleVersion(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 91 | }; |
| 92 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 93 | void BitcodeWriterBase::writeModuleVersion() { |
| 94 | // VERSION: [version#] |
| 95 | Stream.EmitRecord(bitc::MODULE_CODE_VERSION, ArrayRef<uint64_t>{2}); |
| 96 | } |
| 97 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 98 | /// Class to manage the bitcode writing for a module. |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 99 | class ModuleBitcodeWriter : public BitcodeWriterBase { |
| 100 | /// Pointer to the buffer allocated by caller for bitcode writing. |
| 101 | const SmallVectorImpl<char> &Buffer; |
| 102 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 103 | /// The Module to write to bitcode. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 104 | const Module &M; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 105 | |
| 106 | /// Enumerates ids for all values in the module. |
| 107 | ValueEnumerator VE; |
| 108 | |
| 109 | /// Optional per-module index to write for ThinLTO. |
| 110 | const ModuleSummaryIndex *Index; |
| 111 | |
| 112 | /// True if a module hash record should be written. |
| 113 | bool GenerateHash; |
| 114 | |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 115 | /// If non-null, when GenerateHash is true, the resulting hash is written |
| 116 | /// into ModHash. When GenerateHash is false, that specified value |
| 117 | /// is used as the hash instead of computing from the generated bitcode. |
| 118 | /// Can be used to produce the same module hash for a minimized bitcode |
| 119 | /// used just for the thin link as in the regular full bitcode that will |
| 120 | /// be used in the backend. |
| 121 | ModuleHash *ModHash; |
| 122 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 123 | /// The start bit of the identification block. |
| 124 | uint64_t BitcodeStartBit; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 125 | |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 126 | /// Map that holds the correspondence between GUIDs in the summary index, |
| 127 | /// that came from indirect call profiles, and a value id generated by this |
| 128 | /// class to use in the VST and summary block records. |
| 129 | std::map<GlobalValue::GUID, unsigned> GUIDToValueIdMap; |
| 130 | |
| 131 | /// Tracks the last value id recorded in the GUIDToValueMap. |
| 132 | unsigned GlobalValueId; |
| 133 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 134 | /// Saves the offset of the VSTOffset record that must eventually be |
| 135 | /// backpatched with the offset of the actual VST. |
| 136 | uint64_t VSTOffsetPlaceholder = 0; |
| 137 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 138 | public: |
| 139 | /// Constructs a ModuleBitcodeWriter object for the given Module, |
| 140 | /// writing to the provided \p Buffer. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 141 | ModuleBitcodeWriter(const Module *M, SmallVectorImpl<char> &Buffer, |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 142 | StringTableBuilder &StrtabBuilder, |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 143 | BitstreamWriter &Stream, bool ShouldPreserveUseListOrder, |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 144 | const ModuleSummaryIndex *Index, bool GenerateHash, |
| 145 | ModuleHash *ModHash = nullptr) |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 146 | : BitcodeWriterBase(Stream, StrtabBuilder), Buffer(Buffer), M(*M), |
| 147 | VE(*M, ShouldPreserveUseListOrder), Index(Index), |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 148 | GenerateHash(GenerateHash), ModHash(ModHash), |
| 149 | BitcodeStartBit(Stream.GetCurrentBitNo()) { |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 150 | // Assign ValueIds to any callee values in the index that came from |
| 151 | // indirect call profiles and were recorded as a GUID not a Value* |
| 152 | // (which would have been assigned an ID by the ValueEnumerator). |
| 153 | // The starting ValueId is just after the number of values in the |
| 154 | // ValueEnumerator, so that they can be emitted in the VST. |
| 155 | GlobalValueId = VE.getValues().size(); |
Teresa Johnson | bb5c404 | 2016-07-18 18:31:50 +0000 | [diff] [blame] | 156 | if (!Index) |
| 157 | return; |
| 158 | for (const auto &GUIDSummaryLists : *Index) |
| 159 | // Examine all summaries for this GUID. |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 160 | for (auto &Summary : GUIDSummaryLists.second.SummaryList) |
Teresa Johnson | bb5c404 | 2016-07-18 18:31:50 +0000 | [diff] [blame] | 161 | if (auto FS = dyn_cast<FunctionSummary>(Summary.get())) |
| 162 | // For each call in the function summary, see if the call |
| 163 | // is to a GUID (which means it is for an indirect call, |
| 164 | // otherwise we would have a Value for it). If so, synthesize |
| 165 | // a value id. |
| 166 | for (auto &CallEdge : FS->calls()) |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 167 | if (!CallEdge.first.getValue()) |
Teresa Johnson | bb5c404 | 2016-07-18 18:31:50 +0000 | [diff] [blame] | 168 | assignValueId(CallEdge.first.getGUID()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 169 | } |
| 170 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 171 | /// Emit the current module to the bitstream. |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 172 | void write(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 173 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 174 | private: |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 175 | uint64_t bitcodeStartBit() { return BitcodeStartBit; } |
| 176 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 177 | void writeAttributeGroupTable(); |
| 178 | void writeAttributeTable(); |
| 179 | void writeTypeTable(); |
| 180 | void writeComdats(); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 181 | void writeValueSymbolTableForwardDecl(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 182 | void writeModuleInfo(); |
| 183 | void writeValueAsMetadata(const ValueAsMetadata *MD, |
| 184 | SmallVectorImpl<uint64_t> &Record); |
| 185 | void writeMDTuple(const MDTuple *N, SmallVectorImpl<uint64_t> &Record, |
| 186 | unsigned Abbrev); |
| 187 | unsigned createDILocationAbbrev(); |
| 188 | void writeDILocation(const DILocation *N, SmallVectorImpl<uint64_t> &Record, |
| 189 | unsigned &Abbrev); |
| 190 | unsigned createGenericDINodeAbbrev(); |
| 191 | void writeGenericDINode(const GenericDINode *N, |
| 192 | SmallVectorImpl<uint64_t> &Record, unsigned &Abbrev); |
| 193 | void writeDISubrange(const DISubrange *N, SmallVectorImpl<uint64_t> &Record, |
| 194 | unsigned Abbrev); |
| 195 | void writeDIEnumerator(const DIEnumerator *N, |
| 196 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 197 | void writeDIBasicType(const DIBasicType *N, SmallVectorImpl<uint64_t> &Record, |
| 198 | unsigned Abbrev); |
| 199 | void writeDIDerivedType(const DIDerivedType *N, |
| 200 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 201 | void writeDICompositeType(const DICompositeType *N, |
| 202 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 203 | void writeDISubroutineType(const DISubroutineType *N, |
| 204 | SmallVectorImpl<uint64_t> &Record, |
| 205 | unsigned Abbrev); |
| 206 | void writeDIFile(const DIFile *N, SmallVectorImpl<uint64_t> &Record, |
| 207 | unsigned Abbrev); |
| 208 | void writeDICompileUnit(const DICompileUnit *N, |
| 209 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 210 | void writeDISubprogram(const DISubprogram *N, |
| 211 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 212 | void writeDILexicalBlock(const DILexicalBlock *N, |
| 213 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 214 | void writeDILexicalBlockFile(const DILexicalBlockFile *N, |
| 215 | SmallVectorImpl<uint64_t> &Record, |
| 216 | unsigned Abbrev); |
| 217 | void writeDINamespace(const DINamespace *N, SmallVectorImpl<uint64_t> &Record, |
| 218 | unsigned Abbrev); |
| 219 | void writeDIMacro(const DIMacro *N, SmallVectorImpl<uint64_t> &Record, |
| 220 | unsigned Abbrev); |
| 221 | void writeDIMacroFile(const DIMacroFile *N, SmallVectorImpl<uint64_t> &Record, |
| 222 | unsigned Abbrev); |
| 223 | void writeDIModule(const DIModule *N, SmallVectorImpl<uint64_t> &Record, |
| 224 | unsigned Abbrev); |
| 225 | void writeDITemplateTypeParameter(const DITemplateTypeParameter *N, |
| 226 | SmallVectorImpl<uint64_t> &Record, |
| 227 | unsigned Abbrev); |
| 228 | void writeDITemplateValueParameter(const DITemplateValueParameter *N, |
| 229 | SmallVectorImpl<uint64_t> &Record, |
| 230 | unsigned Abbrev); |
| 231 | void writeDIGlobalVariable(const DIGlobalVariable *N, |
| 232 | SmallVectorImpl<uint64_t> &Record, |
| 233 | unsigned Abbrev); |
| 234 | void writeDILocalVariable(const DILocalVariable *N, |
| 235 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 236 | void writeDIExpression(const DIExpression *N, |
| 237 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
Adrian Prantl | bceaaa9 | 2016-12-20 02:09:43 +0000 | [diff] [blame] | 238 | void writeDIGlobalVariableExpression(const DIGlobalVariableExpression *N, |
| 239 | SmallVectorImpl<uint64_t> &Record, |
| 240 | unsigned Abbrev); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 241 | void writeDIObjCProperty(const DIObjCProperty *N, |
| 242 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 243 | void writeDIImportedEntity(const DIImportedEntity *N, |
| 244 | SmallVectorImpl<uint64_t> &Record, |
| 245 | unsigned Abbrev); |
| 246 | unsigned createNamedMetadataAbbrev(); |
| 247 | void writeNamedMetadata(SmallVectorImpl<uint64_t> &Record); |
| 248 | unsigned createMetadataStringsAbbrev(); |
| 249 | void writeMetadataStrings(ArrayRef<const Metadata *> Strings, |
| 250 | SmallVectorImpl<uint64_t> &Record); |
| 251 | void writeMetadataRecords(ArrayRef<const Metadata *> MDs, |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 252 | SmallVectorImpl<uint64_t> &Record, |
| 253 | std::vector<unsigned> *MDAbbrevs = nullptr, |
| 254 | std::vector<uint64_t> *IndexPos = nullptr); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 255 | void writeModuleMetadata(); |
| 256 | void writeFunctionMetadata(const Function &F); |
Peter Collingbourne | cceae7f | 2016-05-31 23:01:54 +0000 | [diff] [blame] | 257 | void writeFunctionMetadataAttachment(const Function &F); |
| 258 | void writeGlobalVariableMetadataAttachment(const GlobalVariable &GV); |
| 259 | void pushGlobalMetadataAttachment(SmallVectorImpl<uint64_t> &Record, |
| 260 | const GlobalObject &GO); |
Peter Collingbourne | 2152189 | 2016-06-21 23:42:48 +0000 | [diff] [blame] | 261 | void writeModuleMetadataKinds(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 262 | void writeOperandBundleTags(); |
| 263 | void writeConstants(unsigned FirstVal, unsigned LastVal, bool isGlobal); |
| 264 | void writeModuleConstants(); |
| 265 | bool pushValueAndType(const Value *V, unsigned InstID, |
| 266 | SmallVectorImpl<unsigned> &Vals); |
| 267 | void writeOperandBundles(ImmutableCallSite CS, unsigned InstID); |
| 268 | void pushValue(const Value *V, unsigned InstID, |
| 269 | SmallVectorImpl<unsigned> &Vals); |
| 270 | void pushValueSigned(const Value *V, unsigned InstID, |
| 271 | SmallVectorImpl<uint64_t> &Vals); |
| 272 | void writeInstruction(const Instruction &I, unsigned InstID, |
| 273 | SmallVectorImpl<unsigned> &Vals); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 274 | void writeFunctionLevelValueSymbolTable(const ValueSymbolTable &VST); |
| 275 | void writeGlobalValueSymbolTable( |
| 276 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 277 | void writeUseList(UseListOrder &&Order); |
| 278 | void writeUseListBlock(const Function *F); |
| 279 | void |
| 280 | writeFunction(const Function &F, |
| 281 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex); |
| 282 | void writeBlockInfo(); |
| 283 | void writePerModuleFunctionSummaryRecord(SmallVector<uint64_t, 64> &NameVals, |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 284 | GlobalValueSummary *Summary, |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 285 | unsigned ValueID, |
| 286 | unsigned FSCallsAbbrev, |
| 287 | unsigned FSCallsProfileAbbrev, |
| 288 | const Function &F); |
| 289 | void writeModuleLevelReferences(const GlobalVariable &V, |
| 290 | SmallVector<uint64_t, 64> &NameVals, |
| 291 | unsigned FSModRefsAbbrev); |
| 292 | void writePerModuleGlobalValueSummary(); |
| 293 | void writeModuleHash(size_t BlockStartPos); |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 294 | |
| 295 | void assignValueId(GlobalValue::GUID ValGUID) { |
| 296 | GUIDToValueIdMap[ValGUID] = ++GlobalValueId; |
| 297 | } |
| 298 | unsigned getValueId(GlobalValue::GUID ValGUID) { |
| 299 | const auto &VMI = GUIDToValueIdMap.find(ValGUID); |
Teresa Johnson | bb5c404 | 2016-07-18 18:31:50 +0000 | [diff] [blame] | 300 | // Expect that any GUID value had a value Id assigned by an |
| 301 | // earlier call to assignValueId. |
| 302 | assert(VMI != GUIDToValueIdMap.end() && |
| 303 | "GUID does not have assigned value Id"); |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 304 | return VMI->second; |
| 305 | } |
| 306 | // Helper to get the valueId for the type of value recorded in VI. |
| 307 | unsigned getValueId(ValueInfo VI) { |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 308 | if (!VI.getValue()) |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 309 | return getValueId(VI.getGUID()); |
| 310 | return VE.getValueID(VI.getValue()); |
| 311 | } |
| 312 | std::map<GlobalValue::GUID, unsigned> &valueIds() { return GUIDToValueIdMap; } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 313 | }; |
| 314 | |
| 315 | /// Class to manage the bitcode writing for a combined index. |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 316 | class IndexBitcodeWriter : public BitcodeWriterBase { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 317 | /// The combined index to write to bitcode. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 318 | const ModuleSummaryIndex &Index; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 319 | |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 320 | /// When writing a subset of the index for distributed backends, client |
| 321 | /// provides a map of modules to the corresponding GUIDs/summaries to write. |
Mehdi Amini | cc1fe9b | 2016-08-19 06:06:18 +0000 | [diff] [blame] | 322 | const std::map<std::string, GVSummaryMapTy> *ModuleToSummariesForIndex; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 323 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 324 | /// Map that holds the correspondence between the GUID used in the combined |
| 325 | /// index and a value id generated by this class to use in references. |
| 326 | std::map<GlobalValue::GUID, unsigned> GUIDToValueIdMap; |
| 327 | |
| 328 | /// Tracks the last value id recorded in the GUIDToValueMap. |
| 329 | unsigned GlobalValueId = 0; |
| 330 | |
| 331 | public: |
| 332 | /// Constructs a IndexBitcodeWriter object for the given combined index, |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 333 | /// writing to the provided \p Buffer. When writing a subset of the index |
| 334 | /// for a distributed backend, provide a \p ModuleToSummariesForIndex map. |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 335 | IndexBitcodeWriter(BitstreamWriter &Stream, StringTableBuilder &StrtabBuilder, |
| 336 | const ModuleSummaryIndex &Index, |
Mehdi Amini | cc1fe9b | 2016-08-19 06:06:18 +0000 | [diff] [blame] | 337 | const std::map<std::string, GVSummaryMapTy> |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 338 | *ModuleToSummariesForIndex = nullptr) |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 339 | : BitcodeWriterBase(Stream, StrtabBuilder), Index(Index), |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 340 | ModuleToSummariesForIndex(ModuleToSummariesForIndex) { |
| 341 | // Assign unique value ids to all summaries to be written, for use |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 342 | // in writing out the call graph edges. Save the mapping from GUID |
| 343 | // to the new global value id to use when writing those edges, which |
| 344 | // are currently saved in the index in terms of GUID. |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 345 | forEachSummary([&](GVInfo I) { |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 346 | GUIDToValueIdMap[I.first] = ++GlobalValueId; |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 347 | }); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 348 | } |
| 349 | |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 350 | /// The below iterator returns the GUID and associated summary. |
| 351 | typedef std::pair<GlobalValue::GUID, GlobalValueSummary *> GVInfo; |
| 352 | |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 353 | /// Calls the callback for each value GUID and summary to be written to |
| 354 | /// bitcode. This hides the details of whether they are being pulled from the |
| 355 | /// entire index or just those in a provided ModuleToSummariesForIndex map. |
David Blaikie | 358c012 | 2017-06-02 18:25:29 +0000 | [diff] [blame] | 356 | template<typename Functor> |
| 357 | void forEachSummary(Functor Callback) { |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 358 | if (ModuleToSummariesForIndex) { |
| 359 | for (auto &M : *ModuleToSummariesForIndex) |
| 360 | for (auto &Summary : M.second) |
| 361 | Callback(Summary); |
| 362 | } else { |
| 363 | for (auto &Summaries : Index) |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 364 | for (auto &Summary : Summaries.second.SummaryList) |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 365 | Callback({Summaries.first, Summary.get()}); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 366 | } |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 367 | } |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 368 | |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 369 | /// Calls the callback for each entry in the modulePaths StringMap that |
| 370 | /// should be written to the module path string table. This hides the details |
| 371 | /// of whether they are being pulled from the entire index or just those in a |
| 372 | /// provided ModuleToSummariesForIndex map. |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 373 | template <typename Functor> void forEachModule(Functor Callback) { |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 374 | if (ModuleToSummariesForIndex) { |
| 375 | for (const auto &M : *ModuleToSummariesForIndex) { |
| 376 | const auto &MPI = Index.modulePaths().find(M.first); |
| 377 | if (MPI == Index.modulePaths().end()) { |
| 378 | // This should only happen if the bitcode file was empty, in which |
| 379 | // case we shouldn't be importing (the ModuleToSummariesForIndex |
| 380 | // would only include the module we are writing and index for). |
| 381 | assert(ModuleToSummariesForIndex->size() == 1); |
| 382 | continue; |
| 383 | } |
| 384 | Callback(*MPI); |
| 385 | } |
| 386 | } else { |
| 387 | for (const auto &MPSE : Index.modulePaths()) |
| 388 | Callback(MPSE); |
| 389 | } |
| 390 | } |
| 391 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 392 | /// Main entry point for writing a combined index to bitcode. |
| 393 | void write(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 394 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 395 | private: |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 396 | void writeModStrings(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 397 | void writeCombinedGlobalValueSummary(); |
| 398 | |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 399 | Optional<unsigned> getValueId(GlobalValue::GUID ValGUID) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 400 | auto VMI = GUIDToValueIdMap.find(ValGUID); |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 401 | if (VMI == GUIDToValueIdMap.end()) |
| 402 | return None; |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 403 | return VMI->second; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 404 | } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 405 | std::map<GlobalValue::GUID, unsigned> &valueIds() { return GUIDToValueIdMap; } |
| 406 | }; |
Benjamin Kramer | a65b610 | 2016-05-15 15:18:11 +0000 | [diff] [blame] | 407 | } // end anonymous namespace |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 408 | |
| 409 | static unsigned getEncodedCastOpcode(unsigned Opcode) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 410 | switch (Opcode) { |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 411 | default: llvm_unreachable("Unknown cast instruction!"); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 412 | case Instruction::Trunc : return bitc::CAST_TRUNC; |
| 413 | case Instruction::ZExt : return bitc::CAST_ZEXT; |
| 414 | case Instruction::SExt : return bitc::CAST_SEXT; |
| 415 | case Instruction::FPToUI : return bitc::CAST_FPTOUI; |
| 416 | case Instruction::FPToSI : return bitc::CAST_FPTOSI; |
| 417 | case Instruction::UIToFP : return bitc::CAST_UITOFP; |
| 418 | case Instruction::SIToFP : return bitc::CAST_SITOFP; |
| 419 | case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; |
| 420 | case Instruction::FPExt : return bitc::CAST_FPEXT; |
| 421 | case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; |
| 422 | case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; |
| 423 | case Instruction::BitCast : return bitc::CAST_BITCAST; |
Matt Arsenault | 3aa9b03 | 2013-11-18 02:51:33 +0000 | [diff] [blame] | 424 | case Instruction::AddrSpaceCast: return bitc::CAST_ADDRSPACECAST; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 425 | } |
| 426 | } |
| 427 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 428 | static unsigned getEncodedBinaryOpcode(unsigned Opcode) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 429 | switch (Opcode) { |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 430 | default: llvm_unreachable("Unknown binary instruction!"); |
Dan Gohman | a5b9645 | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 431 | case Instruction::Add: |
| 432 | case Instruction::FAdd: return bitc::BINOP_ADD; |
| 433 | case Instruction::Sub: |
| 434 | case Instruction::FSub: return bitc::BINOP_SUB; |
| 435 | case Instruction::Mul: |
| 436 | case Instruction::FMul: return bitc::BINOP_MUL; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 437 | case Instruction::UDiv: return bitc::BINOP_UDIV; |
| 438 | case Instruction::FDiv: |
| 439 | case Instruction::SDiv: return bitc::BINOP_SDIV; |
| 440 | case Instruction::URem: return bitc::BINOP_UREM; |
| 441 | case Instruction::FRem: |
| 442 | case Instruction::SRem: return bitc::BINOP_SREM; |
| 443 | case Instruction::Shl: return bitc::BINOP_SHL; |
| 444 | case Instruction::LShr: return bitc::BINOP_LSHR; |
| 445 | case Instruction::AShr: return bitc::BINOP_ASHR; |
| 446 | case Instruction::And: return bitc::BINOP_AND; |
| 447 | case Instruction::Or: return bitc::BINOP_OR; |
| 448 | case Instruction::Xor: return bitc::BINOP_XOR; |
| 449 | } |
| 450 | } |
| 451 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 452 | static unsigned getEncodedRMWOperation(AtomicRMWInst::BinOp Op) { |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 453 | switch (Op) { |
| 454 | default: llvm_unreachable("Unknown RMW operation!"); |
| 455 | case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; |
| 456 | case AtomicRMWInst::Add: return bitc::RMW_ADD; |
| 457 | case AtomicRMWInst::Sub: return bitc::RMW_SUB; |
| 458 | case AtomicRMWInst::And: return bitc::RMW_AND; |
| 459 | case AtomicRMWInst::Nand: return bitc::RMW_NAND; |
| 460 | case AtomicRMWInst::Or: return bitc::RMW_OR; |
| 461 | case AtomicRMWInst::Xor: return bitc::RMW_XOR; |
| 462 | case AtomicRMWInst::Max: return bitc::RMW_MAX; |
| 463 | case AtomicRMWInst::Min: return bitc::RMW_MIN; |
| 464 | case AtomicRMWInst::UMax: return bitc::RMW_UMAX; |
| 465 | case AtomicRMWInst::UMin: return bitc::RMW_UMIN; |
| 466 | } |
| 467 | } |
| 468 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 469 | static unsigned getEncodedOrdering(AtomicOrdering Ordering) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 470 | switch (Ordering) { |
JF Bastien | 800f87a | 2016-04-06 21:19:33 +0000 | [diff] [blame] | 471 | case AtomicOrdering::NotAtomic: return bitc::ORDERING_NOTATOMIC; |
| 472 | case AtomicOrdering::Unordered: return bitc::ORDERING_UNORDERED; |
| 473 | case AtomicOrdering::Monotonic: return bitc::ORDERING_MONOTONIC; |
| 474 | case AtomicOrdering::Acquire: return bitc::ORDERING_ACQUIRE; |
| 475 | case AtomicOrdering::Release: return bitc::ORDERING_RELEASE; |
| 476 | case AtomicOrdering::AcquireRelease: return bitc::ORDERING_ACQREL; |
| 477 | case AtomicOrdering::SequentiallyConsistent: return bitc::ORDERING_SEQCST; |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 478 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 479 | llvm_unreachable("Invalid ordering"); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 480 | } |
| 481 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 482 | static unsigned getEncodedSynchScope(SynchronizationScope SynchScope) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 483 | switch (SynchScope) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 484 | case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; |
| 485 | case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; |
| 486 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 487 | llvm_unreachable("Invalid synch scope"); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 488 | } |
| 489 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 490 | static void writeStringRecord(BitstreamWriter &Stream, unsigned Code, |
| 491 | StringRef Str, unsigned AbbrevToUse) { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 492 | SmallVector<unsigned, 64> Vals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 493 | |
Chris Lattner | e14cb88 | 2007-05-04 19:11:41 +0000 | [diff] [blame] | 494 | // Code: [strchar x N] |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 495 | for (unsigned i = 0, e = Str.size(); i != e; ++i) { |
| 496 | if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) |
| 497 | AbbrevToUse = 0; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 498 | Vals.push_back(Str[i]); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 499 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 500 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 501 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 502 | Stream.EmitRecord(Code, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 503 | } |
| 504 | |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 505 | static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) { |
| 506 | switch (Kind) { |
| 507 | case Attribute::Alignment: |
| 508 | return bitc::ATTR_KIND_ALIGNMENT; |
George Burgess IV | 278199f | 2016-04-12 01:05:35 +0000 | [diff] [blame] | 509 | case Attribute::AllocSize: |
| 510 | return bitc::ATTR_KIND_ALLOC_SIZE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 511 | case Attribute::AlwaysInline: |
| 512 | return bitc::ATTR_KIND_ALWAYS_INLINE; |
Igor Laevsky | 39d662f | 2015-07-11 10:30:36 +0000 | [diff] [blame] | 513 | case Attribute::ArgMemOnly: |
| 514 | return bitc::ATTR_KIND_ARGMEMONLY; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 515 | case Attribute::Builtin: |
| 516 | return bitc::ATTR_KIND_BUILTIN; |
| 517 | case Attribute::ByVal: |
| 518 | return bitc::ATTR_KIND_BY_VAL; |
Owen Anderson | 85fa7d5 | 2015-05-26 23:48:40 +0000 | [diff] [blame] | 519 | case Attribute::Convergent: |
| 520 | return bitc::ATTR_KIND_CONVERGENT; |
Reid Kleckner | a534a38 | 2013-12-19 02:14:12 +0000 | [diff] [blame] | 521 | case Attribute::InAlloca: |
| 522 | return bitc::ATTR_KIND_IN_ALLOCA; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 523 | case Attribute::Cold: |
| 524 | return bitc::ATTR_KIND_COLD; |
Vaivaswatha Nagaraj | fb3f490 | 2015-12-16 16:16:19 +0000 | [diff] [blame] | 525 | case Attribute::InaccessibleMemOnly: |
| 526 | return bitc::ATTR_KIND_INACCESSIBLEMEM_ONLY; |
| 527 | case Attribute::InaccessibleMemOrArgMemOnly: |
| 528 | return bitc::ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 529 | case Attribute::InlineHint: |
| 530 | return bitc::ATTR_KIND_INLINE_HINT; |
| 531 | case Attribute::InReg: |
| 532 | return bitc::ATTR_KIND_IN_REG; |
Tom Roeder | 44cb65f | 2014-06-05 19:29:43 +0000 | [diff] [blame] | 533 | case Attribute::JumpTable: |
| 534 | return bitc::ATTR_KIND_JUMP_TABLE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 535 | case Attribute::MinSize: |
| 536 | return bitc::ATTR_KIND_MIN_SIZE; |
| 537 | case Attribute::Naked: |
| 538 | return bitc::ATTR_KIND_NAKED; |
| 539 | case Attribute::Nest: |
| 540 | return bitc::ATTR_KIND_NEST; |
| 541 | case Attribute::NoAlias: |
| 542 | return bitc::ATTR_KIND_NO_ALIAS; |
| 543 | case Attribute::NoBuiltin: |
| 544 | return bitc::ATTR_KIND_NO_BUILTIN; |
| 545 | case Attribute::NoCapture: |
| 546 | return bitc::ATTR_KIND_NO_CAPTURE; |
| 547 | case Attribute::NoDuplicate: |
| 548 | return bitc::ATTR_KIND_NO_DUPLICATE; |
| 549 | case Attribute::NoImplicitFloat: |
| 550 | return bitc::ATTR_KIND_NO_IMPLICIT_FLOAT; |
| 551 | case Attribute::NoInline: |
| 552 | return bitc::ATTR_KIND_NO_INLINE; |
James Molloy | e6f87ca | 2015-11-06 10:32:53 +0000 | [diff] [blame] | 553 | case Attribute::NoRecurse: |
| 554 | return bitc::ATTR_KIND_NO_RECURSE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 555 | case Attribute::NonLazyBind: |
| 556 | return bitc::ATTR_KIND_NON_LAZY_BIND; |
Nick Lewycky | d52b152 | 2014-05-20 01:23:40 +0000 | [diff] [blame] | 557 | case Attribute::NonNull: |
| 558 | return bitc::ATTR_KIND_NON_NULL; |
Hal Finkel | b0407ba | 2014-07-18 15:51:28 +0000 | [diff] [blame] | 559 | case Attribute::Dereferenceable: |
| 560 | return bitc::ATTR_KIND_DEREFERENCEABLE; |
Sanjoy Das | 31ea6d1 | 2015-04-16 20:29:50 +0000 | [diff] [blame] | 561 | case Attribute::DereferenceableOrNull: |
| 562 | return bitc::ATTR_KIND_DEREFERENCEABLE_OR_NULL; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 563 | case Attribute::NoRedZone: |
| 564 | return bitc::ATTR_KIND_NO_RED_ZONE; |
| 565 | case Attribute::NoReturn: |
| 566 | return bitc::ATTR_KIND_NO_RETURN; |
| 567 | case Attribute::NoUnwind: |
| 568 | return bitc::ATTR_KIND_NO_UNWIND; |
| 569 | case Attribute::OptimizeForSize: |
| 570 | return bitc::ATTR_KIND_OPTIMIZE_FOR_SIZE; |
Andrea Di Biagio | 377496b | 2013-08-23 11:53:55 +0000 | [diff] [blame] | 571 | case Attribute::OptimizeNone: |
| 572 | return bitc::ATTR_KIND_OPTIMIZE_NONE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 573 | case Attribute::ReadNone: |
| 574 | return bitc::ATTR_KIND_READ_NONE; |
| 575 | case Attribute::ReadOnly: |
| 576 | return bitc::ATTR_KIND_READ_ONLY; |
| 577 | case Attribute::Returned: |
| 578 | return bitc::ATTR_KIND_RETURNED; |
| 579 | case Attribute::ReturnsTwice: |
| 580 | return bitc::ATTR_KIND_RETURNS_TWICE; |
| 581 | case Attribute::SExt: |
| 582 | return bitc::ATTR_KIND_S_EXT; |
Matt Arsenault | b19b57e | 2017-04-28 20:25:27 +0000 | [diff] [blame] | 583 | case Attribute::Speculatable: |
| 584 | return bitc::ATTR_KIND_SPECULATABLE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 585 | case Attribute::StackAlignment: |
| 586 | return bitc::ATTR_KIND_STACK_ALIGNMENT; |
| 587 | case Attribute::StackProtect: |
| 588 | return bitc::ATTR_KIND_STACK_PROTECT; |
| 589 | case Attribute::StackProtectReq: |
| 590 | return bitc::ATTR_KIND_STACK_PROTECT_REQ; |
| 591 | case Attribute::StackProtectStrong: |
| 592 | return bitc::ATTR_KIND_STACK_PROTECT_STRONG; |
Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 593 | case Attribute::SafeStack: |
| 594 | return bitc::ATTR_KIND_SAFESTACK; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 595 | case Attribute::StructRet: |
| 596 | return bitc::ATTR_KIND_STRUCT_RET; |
| 597 | case Attribute::SanitizeAddress: |
| 598 | return bitc::ATTR_KIND_SANITIZE_ADDRESS; |
| 599 | case Attribute::SanitizeThread: |
| 600 | return bitc::ATTR_KIND_SANITIZE_THREAD; |
| 601 | case Attribute::SanitizeMemory: |
| 602 | return bitc::ATTR_KIND_SANITIZE_MEMORY; |
Manman Ren | 9bfd0d0 | 2016-04-01 21:41:15 +0000 | [diff] [blame] | 603 | case Attribute::SwiftError: |
| 604 | return bitc::ATTR_KIND_SWIFT_ERROR; |
Manman Ren | f46262e | 2016-03-29 17:37:21 +0000 | [diff] [blame] | 605 | case Attribute::SwiftSelf: |
| 606 | return bitc::ATTR_KIND_SWIFT_SELF; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 607 | case Attribute::UWTable: |
| 608 | return bitc::ATTR_KIND_UW_TABLE; |
Nicolai Haehnle | 84c9f99 | 2016-07-04 08:01:29 +0000 | [diff] [blame] | 609 | case Attribute::WriteOnly: |
| 610 | return bitc::ATTR_KIND_WRITEONLY; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 611 | case Attribute::ZExt: |
| 612 | return bitc::ATTR_KIND_Z_EXT; |
| 613 | case Attribute::EndAttrKinds: |
| 614 | llvm_unreachable("Can not encode end-attribute kinds marker."); |
| 615 | case Attribute::None: |
| 616 | llvm_unreachable("Can not encode none-attribute."); |
| 617 | } |
| 618 | |
| 619 | llvm_unreachable("Trying to encode unknown attribute"); |
| 620 | } |
| 621 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 622 | void ModuleBitcodeWriter::writeAttributeGroupTable() { |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 623 | const std::vector<ValueEnumerator::IndexAndAttrSet> &AttrGrps = |
| 624 | VE.getAttributeGroups(); |
Bill Wendling | 92ed700 | 2013-02-11 22:33:26 +0000 | [diff] [blame] | 625 | if (AttrGrps.empty()) return; |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 626 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 627 | Stream.EnterSubblock(bitc::PARAMATTR_GROUP_BLOCK_ID, 3); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 628 | |
| 629 | SmallVector<uint64_t, 64> Record; |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 630 | for (ValueEnumerator::IndexAndAttrSet Pair : AttrGrps) { |
| 631 | unsigned AttrListIndex = Pair.first; |
| 632 | AttributeSet AS = Pair.second; |
| 633 | Record.push_back(VE.getAttributeGroupID(Pair)); |
| 634 | Record.push_back(AttrListIndex); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 635 | |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 636 | for (Attribute Attr : AS) { |
| 637 | if (Attr.isEnumAttribute()) { |
| 638 | Record.push_back(0); |
| 639 | Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); |
| 640 | } else if (Attr.isIntAttribute()) { |
| 641 | Record.push_back(1); |
| 642 | Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); |
| 643 | Record.push_back(Attr.getValueAsInt()); |
| 644 | } else { |
| 645 | StringRef Kind = Attr.getKindAsString(); |
| 646 | StringRef Val = Attr.getValueAsString(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 647 | |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 648 | Record.push_back(Val.empty() ? 3 : 4); |
| 649 | Record.append(Kind.begin(), Kind.end()); |
| 650 | Record.push_back(0); |
| 651 | if (!Val.empty()) { |
| 652 | Record.append(Val.begin(), Val.end()); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 653 | Record.push_back(0); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 654 | } |
| 655 | } |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 656 | } |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 657 | |
| 658 | Stream.EmitRecord(bitc::PARAMATTR_GRP_CODE_ENTRY, Record); |
| 659 | Record.clear(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 660 | } |
| 661 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 662 | Stream.ExitBlock(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 663 | } |
| 664 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 665 | void ModuleBitcodeWriter::writeAttributeTable() { |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 666 | const std::vector<AttributeList> &Attrs = VE.getAttributeLists(); |
Chris Lattner | e2f98ef | 2007-05-04 00:44:52 +0000 | [diff] [blame] | 667 | if (Attrs.empty()) return; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 668 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 669 | Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); |
Chris Lattner | e72bf9f | 2007-05-04 02:59:04 +0000 | [diff] [blame] | 670 | |
| 671 | SmallVector<uint64_t, 64> Record; |
| 672 | for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { |
Reid Kleckner | 8bf67fe | 2017-05-23 17:01:48 +0000 | [diff] [blame] | 673 | AttributeList AL = Attrs[i]; |
| 674 | for (unsigned i = AL.index_begin(), e = AL.index_end(); i != e; ++i) { |
| 675 | AttributeSet AS = AL.getAttributes(i); |
| 676 | if (AS.hasAttributes()) |
| 677 | Record.push_back(VE.getAttributeGroupID({i, AS})); |
| 678 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 679 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 680 | Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record); |
Chris Lattner | e72bf9f | 2007-05-04 02:59:04 +0000 | [diff] [blame] | 681 | Record.clear(); |
| 682 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 683 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 684 | Stream.ExitBlock(); |
Chris Lattner | e2f98ef | 2007-05-04 00:44:52 +0000 | [diff] [blame] | 685 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 686 | |
| 687 | /// WriteTypeTable - Write out the type table for a module. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 688 | void ModuleBitcodeWriter::writeTypeTable() { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 689 | const ValueEnumerator::TypeList &TypeList = VE.getTypes(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 690 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 691 | Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 692 | SmallVector<uint64_t, 64> TypeVals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 693 | |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 694 | uint64_t NumBits = VE.computeBitsRequiredForTypeIndicies(); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 695 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 696 | // Abbrev for TYPE_CODE_POINTER. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 697 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 698 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 699 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 700 | Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 701 | unsigned PtrAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 702 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 703 | // Abbrev for TYPE_CODE_FUNCTION. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 704 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 705 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION)); |
| 706 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 707 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 708 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 709 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 710 | unsigned FunctionAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 711 | |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 712 | // Abbrev for TYPE_CODE_STRUCT_ANON. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 713 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 714 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 715 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked |
| 716 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 717 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 718 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 719 | unsigned StructAnonAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 720 | |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 721 | // Abbrev for TYPE_CODE_STRUCT_NAME. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 722 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 723 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); |
| 724 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 725 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 726 | unsigned StructNameAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 727 | |
| 728 | // Abbrev for TYPE_CODE_STRUCT_NAMED. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 729 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 730 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); |
| 731 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked |
| 732 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 733 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 734 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 735 | unsigned StructNamedAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 736 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 737 | // Abbrev for TYPE_CODE_ARRAY. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 738 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 739 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); |
| 740 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 741 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 742 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 743 | unsigned ArrayAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 744 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 745 | // Emit an entry count so the reader can reserve space. |
| 746 | TypeVals.push_back(TypeList.size()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 747 | Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 748 | TypeVals.clear(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 749 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 750 | // Loop over all of the types, emitting each in turn. |
| 751 | for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 752 | Type *T = TypeList[i]; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 753 | int AbbrevToUse = 0; |
| 754 | unsigned Code = 0; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 755 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 756 | switch (T->getTypeID()) { |
Joe Abbey | 2ad8df2 | 2012-11-25 15:23:39 +0000 | [diff] [blame] | 757 | case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; |
| 758 | case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; |
| 759 | case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; |
| 760 | case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; |
| 761 | case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; |
| 762 | case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; |
Dale Johannesen | ff4c3be | 2007-08-03 01:03:46 +0000 | [diff] [blame] | 763 | case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; |
Joe Abbey | 2ad8df2 | 2012-11-25 15:23:39 +0000 | [diff] [blame] | 764 | case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; |
| 765 | case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; |
| 766 | case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; |
David Majnemer | b611e3f | 2015-08-14 05:09:07 +0000 | [diff] [blame] | 767 | case Type::TokenTyID: Code = bitc::TYPE_CODE_TOKEN; break; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 768 | case Type::IntegerTyID: |
| 769 | // INTEGER: [width] |
| 770 | Code = bitc::TYPE_CODE_INTEGER; |
| 771 | TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); |
| 772 | break; |
Duncan Sands | f41217d | 2007-12-11 12:20:47 +0000 | [diff] [blame] | 773 | case Type::PointerTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 774 | PointerType *PTy = cast<PointerType>(T); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 775 | // POINTER: [pointee type, address space] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 776 | Code = bitc::TYPE_CODE_POINTER; |
Christopher Lamb | 54dd24c | 2007-12-11 08:59:05 +0000 | [diff] [blame] | 777 | TypeVals.push_back(VE.getTypeID(PTy->getElementType())); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 778 | unsigned AddressSpace = PTy->getAddressSpace(); |
| 779 | TypeVals.push_back(AddressSpace); |
| 780 | if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 781 | break; |
Duncan Sands | f41217d | 2007-12-11 12:20:47 +0000 | [diff] [blame] | 782 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 783 | case Type::FunctionTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 784 | FunctionType *FT = cast<FunctionType>(T); |
Chad Rosier | 9589872 | 2011-11-03 00:14:01 +0000 | [diff] [blame] | 785 | // FUNCTION: [isvararg, retty, paramty x N] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 786 | Code = bitc::TYPE_CODE_FUNCTION; |
| 787 | TypeVals.push_back(FT->isVarArg()); |
| 788 | TypeVals.push_back(VE.getTypeID(FT->getReturnType())); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 789 | for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) |
| 790 | TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 791 | AbbrevToUse = FunctionAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 792 | break; |
| 793 | } |
| 794 | case Type::StructTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 795 | StructType *ST = cast<StructType>(T); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 796 | // STRUCT: [ispacked, eltty x N] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 797 | TypeVals.push_back(ST->isPacked()); |
Chris Lattner | e14cb88 | 2007-05-04 19:11:41 +0000 | [diff] [blame] | 798 | // Output all of the element types. |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 799 | for (StructType::element_iterator I = ST->element_begin(), |
| 800 | E = ST->element_end(); I != E; ++I) |
| 801 | TypeVals.push_back(VE.getTypeID(*I)); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 802 | |
Chris Lattner | 335d399 | 2011-08-12 18:06:37 +0000 | [diff] [blame] | 803 | if (ST->isLiteral()) { |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 804 | Code = bitc::TYPE_CODE_STRUCT_ANON; |
| 805 | AbbrevToUse = StructAnonAbbrev; |
| 806 | } else { |
| 807 | if (ST->isOpaque()) { |
| 808 | Code = bitc::TYPE_CODE_OPAQUE; |
| 809 | } else { |
| 810 | Code = bitc::TYPE_CODE_STRUCT_NAMED; |
| 811 | AbbrevToUse = StructNamedAbbrev; |
| 812 | } |
| 813 | |
| 814 | // Emit the name if it is present. |
| 815 | if (!ST->getName().empty()) |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 816 | writeStringRecord(Stream, bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 817 | StructNameAbbrev); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 818 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 819 | break; |
| 820 | } |
| 821 | case Type::ArrayTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 822 | ArrayType *AT = cast<ArrayType>(T); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 823 | // ARRAY: [numelts, eltty] |
| 824 | Code = bitc::TYPE_CODE_ARRAY; |
| 825 | TypeVals.push_back(AT->getNumElements()); |
| 826 | TypeVals.push_back(VE.getTypeID(AT->getElementType())); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 827 | AbbrevToUse = ArrayAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 828 | break; |
| 829 | } |
| 830 | case Type::VectorTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 831 | VectorType *VT = cast<VectorType>(T); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 832 | // VECTOR [numelts, eltty] |
| 833 | Code = bitc::TYPE_CODE_VECTOR; |
| 834 | TypeVals.push_back(VT->getNumElements()); |
| 835 | TypeVals.push_back(VE.getTypeID(VT->getElementType())); |
| 836 | break; |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 841 | Stream.EmitRecord(Code, TypeVals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 842 | TypeVals.clear(); |
| 843 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 844 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 845 | Stream.ExitBlock(); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 846 | } |
| 847 | |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 848 | static unsigned getEncodedLinkage(const GlobalValue::LinkageTypes Linkage) { |
| 849 | switch (Linkage) { |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 850 | case GlobalValue::ExternalLinkage: |
| 851 | return 0; |
| 852 | case GlobalValue::WeakAnyLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 853 | return 16; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 854 | case GlobalValue::AppendingLinkage: |
| 855 | return 2; |
| 856 | case GlobalValue::InternalLinkage: |
| 857 | return 3; |
| 858 | case GlobalValue::LinkOnceAnyLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 859 | return 18; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 860 | case GlobalValue::ExternalWeakLinkage: |
| 861 | return 7; |
| 862 | case GlobalValue::CommonLinkage: |
| 863 | return 8; |
| 864 | case GlobalValue::PrivateLinkage: |
| 865 | return 9; |
| 866 | case GlobalValue::WeakODRLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 867 | return 17; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 868 | case GlobalValue::LinkOnceODRLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 869 | return 19; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 870 | case GlobalValue::AvailableExternallyLinkage: |
| 871 | return 12; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 872 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 873 | llvm_unreachable("Invalid linkage"); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 874 | } |
| 875 | |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 876 | static unsigned getEncodedLinkage(const GlobalValue &GV) { |
| 877 | return getEncodedLinkage(GV.getLinkage()); |
| 878 | } |
| 879 | |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 880 | // Decode the flags for GlobalValue in the summary |
| 881 | static uint64_t getEncodedGVSummaryFlags(GlobalValueSummary::GVFlags Flags) { |
| 882 | uint64_t RawFlags = 0; |
Mehdi Amini | ca2c54e | 2016-04-24 05:31:43 +0000 | [diff] [blame] | 883 | |
Mehdi Amini | 1380edf | 2017-02-03 07:41:43 +0000 | [diff] [blame] | 884 | RawFlags |= Flags.NotEligibleToImport; // bool |
Evgeniy Stepanov | 56584bb | 2017-06-01 20:30:06 +0000 | [diff] [blame] | 885 | RawFlags |= (Flags.Live << 1); |
Mehdi Amini | ca2c54e | 2016-04-24 05:31:43 +0000 | [diff] [blame] | 886 | // Linkage don't need to be remapped at that time for the summary. Any future |
| 887 | // change to the getEncodedLinkage() function will need to be taken into |
| 888 | // account here as well. |
Mehdi Amini | 1380edf | 2017-02-03 07:41:43 +0000 | [diff] [blame] | 889 | RawFlags = (RawFlags << 4) | Flags.Linkage; // 4 bits |
| 890 | |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 891 | return RawFlags; |
| 892 | } |
| 893 | |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 894 | static unsigned getEncodedVisibility(const GlobalValue &GV) { |
| 895 | switch (GV.getVisibility()) { |
Anton Korobeynikov | 31fc4f9 | 2007-04-29 20:56:48 +0000 | [diff] [blame] | 896 | case GlobalValue::DefaultVisibility: return 0; |
| 897 | case GlobalValue::HiddenVisibility: return 1; |
| 898 | case GlobalValue::ProtectedVisibility: return 2; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 899 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 900 | llvm_unreachable("Invalid visibility"); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 901 | } |
| 902 | |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 903 | static unsigned getEncodedDLLStorageClass(const GlobalValue &GV) { |
| 904 | switch (GV.getDLLStorageClass()) { |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 905 | case GlobalValue::DefaultStorageClass: return 0; |
| 906 | case GlobalValue::DLLImportStorageClass: return 1; |
| 907 | case GlobalValue::DLLExportStorageClass: return 2; |
| 908 | } |
| 909 | llvm_unreachable("Invalid DLL storage class"); |
| 910 | } |
| 911 | |
Rafael Espindola | 59f7eba | 2014-05-28 18:15:43 +0000 | [diff] [blame] | 912 | static unsigned getEncodedThreadLocalMode(const GlobalValue &GV) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 913 | switch (GV.getThreadLocalMode()) { |
Hans Wennborg | cbe34b4 | 2012-06-23 11:37:03 +0000 | [diff] [blame] | 914 | case GlobalVariable::NotThreadLocal: return 0; |
| 915 | case GlobalVariable::GeneralDynamicTLSModel: return 1; |
| 916 | case GlobalVariable::LocalDynamicTLSModel: return 2; |
| 917 | case GlobalVariable::InitialExecTLSModel: return 3; |
| 918 | case GlobalVariable::LocalExecTLSModel: return 4; |
| 919 | } |
| 920 | llvm_unreachable("Invalid TLS model"); |
| 921 | } |
| 922 | |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 923 | static unsigned getEncodedComdatSelectionKind(const Comdat &C) { |
| 924 | switch (C.getSelectionKind()) { |
| 925 | case Comdat::Any: |
| 926 | return bitc::COMDAT_SELECTION_KIND_ANY; |
| 927 | case Comdat::ExactMatch: |
| 928 | return bitc::COMDAT_SELECTION_KIND_EXACT_MATCH; |
| 929 | case Comdat::Largest: |
| 930 | return bitc::COMDAT_SELECTION_KIND_LARGEST; |
| 931 | case Comdat::NoDuplicates: |
| 932 | return bitc::COMDAT_SELECTION_KIND_NO_DUPLICATES; |
| 933 | case Comdat::SameSize: |
| 934 | return bitc::COMDAT_SELECTION_KIND_SAME_SIZE; |
| 935 | } |
| 936 | llvm_unreachable("Invalid selection kind"); |
| 937 | } |
| 938 | |
Peter Collingbourne | 96efdd6 | 2016-06-14 21:01:22 +0000 | [diff] [blame] | 939 | static unsigned getEncodedUnnamedAddr(const GlobalValue &GV) { |
| 940 | switch (GV.getUnnamedAddr()) { |
| 941 | case GlobalValue::UnnamedAddr::None: return 0; |
| 942 | case GlobalValue::UnnamedAddr::Local: return 2; |
| 943 | case GlobalValue::UnnamedAddr::Global: return 1; |
| 944 | } |
| 945 | llvm_unreachable("Invalid unnamed_addr"); |
| 946 | } |
| 947 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 948 | void ModuleBitcodeWriter::writeComdats() { |
David Majnemer | 90a021f | 2016-03-13 08:01:03 +0000 | [diff] [blame] | 949 | SmallVector<unsigned, 64> Vals; |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 950 | for (const Comdat *C : VE.getComdats()) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 951 | // COMDAT: [strtab offset, strtab size, selection_kind] |
| 952 | Vals.push_back(StrtabBuilder.add(C->getName())); |
| 953 | Vals.push_back(C->getName().size()); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 954 | Vals.push_back(getEncodedComdatSelectionKind(*C)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 955 | Stream.EmitRecord(bitc::MODULE_CODE_COMDAT, Vals, /*AbbrevToUse=*/0); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 956 | Vals.clear(); |
| 957 | } |
| 958 | } |
| 959 | |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 960 | /// Write a record that will eventually hold the word offset of the |
| 961 | /// module-level VST. For now the offset is 0, which will be backpatched |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 962 | /// after the real VST is written. Saves the bit offset to backpatch. |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 963 | void ModuleBitcodeWriter::writeValueSymbolTableForwardDecl() { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 964 | // Write a placeholder value in for the offset of the real VST, |
| 965 | // which is written after the function blocks so that it can include |
| 966 | // the offset of each function. The placeholder offset will be |
| 967 | // updated when the real VST is written. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 968 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 969 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_VSTOFFSET)); |
| 970 | // Blocks are 32-bit aligned, so we can use a 32-bit word offset to |
| 971 | // hold the real VST offset. Must use fixed instead of VBR as we don't |
| 972 | // know how many VBR chunks to reserve ahead of time. |
| 973 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 974 | unsigned VSTOffsetAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 975 | |
| 976 | // Emit the placeholder |
| 977 | uint64_t Vals[] = {bitc::MODULE_CODE_VSTOFFSET, 0}; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 978 | Stream.EmitRecordWithAbbrev(VSTOffsetAbbrev, Vals); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 979 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 980 | // Compute and save the bit offset to the placeholder, which will be |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 981 | // patched when the real VST is written. We can simply subtract the 32-bit |
| 982 | // fixed size from the current bit number to get the location to backpatch. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 983 | VSTOffsetPlaceholder = Stream.GetCurrentBitNo() - 32; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 984 | } |
| 985 | |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 986 | enum StringEncoding { SE_Char6, SE_Fixed7, SE_Fixed8 }; |
| 987 | |
| 988 | /// Determine the encoding to use for the given string name and length. |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 989 | static StringEncoding getStringEncoding(StringRef Str) { |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 990 | bool isChar6 = true; |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 991 | for (char C : Str) { |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 992 | if (isChar6) |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 993 | isChar6 = BitCodeAbbrevOp::isChar6(C); |
| 994 | if ((unsigned char)C & 128) |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 995 | // don't bother scanning the rest. |
| 996 | return SE_Fixed8; |
| 997 | } |
| 998 | if (isChar6) |
| 999 | return SE_Char6; |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 1000 | return SE_Fixed7; |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1001 | } |
| 1002 | |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 1003 | /// Emit top-level description of module, including target triple, inline asm, |
| 1004 | /// descriptors for global variables, and function prototype info. |
| 1005 | /// Returns the bit offset to backpatch with the location of the real VST. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1006 | void ModuleBitcodeWriter::writeModuleInfo() { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1007 | // Emit various pieces of data attached to a module. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1008 | if (!M.getTargetTriple().empty()) |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1009 | writeStringRecord(Stream, bitc::MODULE_CODE_TRIPLE, M.getTargetTriple(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1010 | 0 /*TODO*/); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1011 | const std::string &DL = M.getDataLayoutStr(); |
Rafael Espindola | f863ee2 | 2014-02-25 20:01:08 +0000 | [diff] [blame] | 1012 | if (!DL.empty()) |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1013 | writeStringRecord(Stream, bitc::MODULE_CODE_DATALAYOUT, DL, 0 /*TODO*/); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1014 | if (!M.getModuleInlineAsm().empty()) |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1015 | writeStringRecord(Stream, bitc::MODULE_CODE_ASM, M.getModuleInlineAsm(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1016 | 0 /*TODO*/); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1017 | |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1018 | // Emit information about sections and GC, computing how many there are. Also |
| 1019 | // compute the maximum alignment value. |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1020 | std::map<std::string, unsigned> SectionMap; |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1021 | std::map<std::string, unsigned> GCMap; |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1022 | unsigned MaxAlignment = 0; |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 1023 | unsigned MaxGlobalType = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1024 | for (const GlobalValue &GV : M.globals()) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1025 | MaxAlignment = std::max(MaxAlignment, GV.getAlignment()); |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 1026 | MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV.getValueType())); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1027 | if (GV.hasSection()) { |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 1028 | // Give section names unique ID's. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1029 | unsigned &Entry = SectionMap[GV.getSection()]; |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 1030 | if (!Entry) { |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1031 | writeStringRecord(Stream, bitc::MODULE_CODE_SECTIONNAME, GV.getSection(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1032 | 0 /*TODO*/); |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 1033 | Entry = SectionMap.size(); |
| 1034 | } |
| 1035 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1036 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1037 | for (const Function &F : M) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1038 | MaxAlignment = std::max(MaxAlignment, F.getAlignment()); |
| 1039 | if (F.hasSection()) { |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 1040 | // Give section names unique ID's. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1041 | unsigned &Entry = SectionMap[F.getSection()]; |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 1042 | if (!Entry) { |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1043 | writeStringRecord(Stream, bitc::MODULE_CODE_SECTIONNAME, F.getSection(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1044 | 0 /*TODO*/); |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 1045 | Entry = SectionMap.size(); |
| 1046 | } |
| 1047 | } |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1048 | if (F.hasGC()) { |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1049 | // Same for GC names. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1050 | unsigned &Entry = GCMap[F.getGC()]; |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 1051 | if (!Entry) { |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 1052 | writeStringRecord(Stream, bitc::MODULE_CODE_GCNAME, F.getGC(), |
| 1053 | 0 /*TODO*/); |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1054 | Entry = GCMap.size(); |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 1055 | } |
| 1056 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1057 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1058 | |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1059 | // Emit abbrev for globals, now that we know # sections and max alignment. |
| 1060 | unsigned SimpleGVarAbbrev = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1061 | if (!M.global_empty()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1062 | // Add an abbrev for common globals with no visibility or thread localness. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1063 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1064 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1065 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 1066 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 1067 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 1068 | Log2_32_Ceil(MaxGlobalType+1))); |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 1069 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddrSpace << 2 |
| 1070 | //| explicitType << 1 |
| 1071 | //| constant |
| 1072 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. |
| 1073 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // Linkage. |
| 1074 | if (MaxAlignment == 0) // Alignment. |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1075 | Abbv->Add(BitCodeAbbrevOp(0)); |
| 1076 | else { |
| 1077 | unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 1078 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 1079 | Log2_32_Ceil(MaxEncAlignment+1))); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1080 | } |
| 1081 | if (SectionMap.empty()) // Section. |
| 1082 | Abbv->Add(BitCodeAbbrevOp(0)); |
| 1083 | else |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 1084 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | 1e50c29 | 2007-04-24 03:29:47 +0000 | [diff] [blame] | 1085 | Log2_32_Ceil(SectionMap.size()+1))); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1086 | // Don't bother emitting vis + thread local. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1087 | SimpleGVarAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1088 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1089 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1090 | SmallVector<unsigned, 64> Vals; |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1091 | // Emit the module's source file name. |
| 1092 | { |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 1093 | StringEncoding Bits = getStringEncoding(M.getSourceFileName()); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1094 | BitCodeAbbrevOp AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8); |
| 1095 | if (Bits == SE_Char6) |
| 1096 | AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Char6); |
| 1097 | else if (Bits == SE_Fixed7) |
| 1098 | AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7); |
| 1099 | |
| 1100 | // MODULE_CODE_SOURCE_FILENAME: [namechar x N] |
| 1101 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
| 1102 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_SOURCE_FILENAME)); |
| 1103 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1104 | Abbv->Add(AbbrevOpToUse); |
| 1105 | unsigned FilenameAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
| 1106 | |
| 1107 | for (const auto P : M.getSourceFileName()) |
| 1108 | Vals.push_back((unsigned char)P); |
| 1109 | |
| 1110 | // Emit the finished record. |
| 1111 | Stream.EmitRecord(bitc::MODULE_CODE_SOURCE_FILENAME, Vals, FilenameAbbrev); |
| 1112 | Vals.clear(); |
| 1113 | } |
| 1114 | |
| 1115 | // Emit the global variable information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1116 | for (const GlobalVariable &GV : M.globals()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1117 | unsigned AbbrevToUse = 0; |
| 1118 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1119 | // GLOBALVAR: [strtab offset, strtab size, type, isconst, initid, |
Rafael Espindola | 45e6c19 | 2011-01-08 16:42:36 +0000 | [diff] [blame] | 1120 | // linkage, alignment, section, visibility, threadlocal, |
Peter Collingbourne | 69ba016 | 2015-02-04 00:42:45 +0000 | [diff] [blame] | 1121 | // unnamed_addr, externally_initialized, dllstorageclass, |
Javed Absar | f3d7904 | 2017-05-11 12:28:08 +0000 | [diff] [blame] | 1122 | // comdat, attributes] |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1123 | Vals.push_back(StrtabBuilder.add(GV.getName())); |
| 1124 | Vals.push_back(GV.getName().size()); |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 1125 | Vals.push_back(VE.getTypeID(GV.getValueType())); |
| 1126 | Vals.push_back(GV.getType()->getAddressSpace() << 2 | 2 | GV.isConstant()); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1127 | Vals.push_back(GV.isDeclaration() ? 0 : |
| 1128 | (VE.getValueID(GV.getInitializer()) + 1)); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1129 | Vals.push_back(getEncodedLinkage(GV)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1130 | Vals.push_back(Log2_32(GV.getAlignment())+1); |
| 1131 | Vals.push_back(GV.hasSection() ? SectionMap[GV.getSection()] : 0); |
| 1132 | if (GV.isThreadLocal() || |
| 1133 | GV.getVisibility() != GlobalValue::DefaultVisibility || |
Peter Collingbourne | 96efdd6 | 2016-06-14 21:01:22 +0000 | [diff] [blame] | 1134 | GV.getUnnamedAddr() != GlobalValue::UnnamedAddr::None || |
| 1135 | GV.isExternallyInitialized() || |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 1136 | GV.getDLLStorageClass() != GlobalValue::DefaultStorageClass || |
Javed Absar | f3d7904 | 2017-05-11 12:28:08 +0000 | [diff] [blame] | 1137 | GV.hasComdat() || |
| 1138 | GV.hasAttributes()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1139 | Vals.push_back(getEncodedVisibility(GV)); |
Hans Wennborg | cbe34b4 | 2012-06-23 11:37:03 +0000 | [diff] [blame] | 1140 | Vals.push_back(getEncodedThreadLocalMode(GV)); |
Peter Collingbourne | 96efdd6 | 2016-06-14 21:01:22 +0000 | [diff] [blame] | 1141 | Vals.push_back(getEncodedUnnamedAddr(GV)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1142 | Vals.push_back(GV.isExternallyInitialized()); |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 1143 | Vals.push_back(getEncodedDLLStorageClass(GV)); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 1144 | Vals.push_back(GV.hasComdat() ? VE.getComdatID(GV.getComdat()) : 0); |
Javed Absar | f3d7904 | 2017-05-11 12:28:08 +0000 | [diff] [blame] | 1145 | |
| 1146 | auto AL = GV.getAttributesAsList(AttributeList::FunctionIndex); |
| 1147 | Vals.push_back(VE.getAttributeListID(AL)); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1148 | } else { |
| 1149 | AbbrevToUse = SimpleGVarAbbrev; |
| 1150 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1151 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1152 | Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1153 | Vals.clear(); |
| 1154 | } |
| 1155 | |
| 1156 | // Emit the function proto information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1157 | for (const Function &F : M) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1158 | // FUNCTION: [strtab offset, strtab size, type, callingconv, isproto, |
| 1159 | // linkage, paramattrs, alignment, section, visibility, gc, |
| 1160 | // unnamed_addr, prologuedata, dllstorageclass, comdat, |
| 1161 | // prefixdata, personalityfn] |
| 1162 | Vals.push_back(StrtabBuilder.add(F.getName())); |
| 1163 | Vals.push_back(F.getName().size()); |
David Blaikie | 561a157 | 2015-04-17 16:28:26 +0000 | [diff] [blame] | 1164 | Vals.push_back(VE.getTypeID(F.getFunctionType())); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1165 | Vals.push_back(F.getCallingConv()); |
| 1166 | Vals.push_back(F.isDeclaration()); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1167 | Vals.push_back(getEncodedLinkage(F)); |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 1168 | Vals.push_back(VE.getAttributeListID(F.getAttributes())); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1169 | Vals.push_back(Log2_32(F.getAlignment())+1); |
| 1170 | Vals.push_back(F.hasSection() ? SectionMap[F.getSection()] : 0); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1171 | Vals.push_back(getEncodedVisibility(F)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1172 | Vals.push_back(F.hasGC() ? GCMap[F.getGC()] : 0); |
Peter Collingbourne | 96efdd6 | 2016-06-14 21:01:22 +0000 | [diff] [blame] | 1173 | Vals.push_back(getEncodedUnnamedAddr(F)); |
Peter Collingbourne | 51d2de7 | 2014-12-03 02:08:38 +0000 | [diff] [blame] | 1174 | Vals.push_back(F.hasPrologueData() ? (VE.getValueID(F.getPrologueData()) + 1) |
| 1175 | : 0); |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 1176 | Vals.push_back(getEncodedDLLStorageClass(F)); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 1177 | Vals.push_back(F.hasComdat() ? VE.getComdatID(F.getComdat()) : 0); |
Peter Collingbourne | 51d2de7 | 2014-12-03 02:08:38 +0000 | [diff] [blame] | 1178 | Vals.push_back(F.hasPrefixData() ? (VE.getValueID(F.getPrefixData()) + 1) |
| 1179 | : 0); |
David Majnemer | 7fddecc | 2015-06-17 20:52:32 +0000 | [diff] [blame] | 1180 | Vals.push_back( |
| 1181 | F.hasPersonalityFn() ? (VE.getValueID(F.getPersonalityFn()) + 1) : 0); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1182 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1183 | unsigned AbbrevToUse = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1184 | Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1185 | Vals.clear(); |
| 1186 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1187 | |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1188 | // Emit the alias information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1189 | for (const GlobalAlias &A : M.aliases()) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1190 | // ALIAS: [strtab offset, strtab size, alias type, aliasee val#, linkage, |
| 1191 | // visibility, dllstorageclass, threadlocal, unnamed_addr] |
| 1192 | Vals.push_back(StrtabBuilder.add(A.getName())); |
| 1193 | Vals.push_back(A.getName().size()); |
David Blaikie | 6a51dbd | 2015-09-17 22:18:59 +0000 | [diff] [blame] | 1194 | Vals.push_back(VE.getTypeID(A.getValueType())); |
| 1195 | Vals.push_back(A.getType()->getAddressSpace()); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1196 | Vals.push_back(VE.getValueID(A.getAliasee())); |
| 1197 | Vals.push_back(getEncodedLinkage(A)); |
| 1198 | Vals.push_back(getEncodedVisibility(A)); |
| 1199 | Vals.push_back(getEncodedDLLStorageClass(A)); |
Rafael Espindola | 42a4c9f | 2014-06-06 01:20:28 +0000 | [diff] [blame] | 1200 | Vals.push_back(getEncodedThreadLocalMode(A)); |
Peter Collingbourne | 96efdd6 | 2016-06-14 21:01:22 +0000 | [diff] [blame] | 1201 | Vals.push_back(getEncodedUnnamedAddr(A)); |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1202 | unsigned AbbrevToUse = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1203 | Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1204 | Vals.clear(); |
| 1205 | } |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 1206 | |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1207 | // Emit the ifunc information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1208 | for (const GlobalIFunc &I : M.ifuncs()) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 1209 | // IFUNC: [strtab offset, strtab size, ifunc type, address space, resolver |
| 1210 | // val#, linkage, visibility] |
| 1211 | Vals.push_back(StrtabBuilder.add(I.getName())); |
| 1212 | Vals.push_back(I.getName().size()); |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1213 | Vals.push_back(VE.getTypeID(I.getValueType())); |
| 1214 | Vals.push_back(I.getType()->getAddressSpace()); |
| 1215 | Vals.push_back(VE.getValueID(I.getResolver())); |
| 1216 | Vals.push_back(getEncodedLinkage(I)); |
| 1217 | Vals.push_back(getEncodedVisibility(I)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1218 | Stream.EmitRecord(bitc::MODULE_CODE_IFUNC, Vals); |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1219 | Vals.clear(); |
| 1220 | } |
| 1221 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1222 | writeValueSymbolTableForwardDecl(); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1223 | } |
| 1224 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1225 | static uint64_t getOptimizationFlags(const Value *V) { |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 1226 | uint64_t Flags = 0; |
| 1227 | |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1228 | if (const auto *OBO = dyn_cast<OverflowingBinaryOperator>(V)) { |
Dan Gohman | 16f5415 | 2009-08-20 17:11:38 +0000 | [diff] [blame] | 1229 | if (OBO->hasNoSignedWrap()) |
| 1230 | Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; |
| 1231 | if (OBO->hasNoUnsignedWrap()) |
| 1232 | Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1233 | } else if (const auto *PEO = dyn_cast<PossiblyExactOperator>(V)) { |
Chris Lattner | 35315d0 | 2011-02-06 21:44:57 +0000 | [diff] [blame] | 1234 | if (PEO->isExact()) |
| 1235 | Flags |= 1 << bitc::PEO_EXACT; |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1236 | } else if (const auto *FPMO = dyn_cast<FPMathOperator>(V)) { |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1237 | if (FPMO->hasUnsafeAlgebra()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1238 | Flags |= FastMathFlags::UnsafeAlgebra; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1239 | if (FPMO->hasNoNaNs()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1240 | Flags |= FastMathFlags::NoNaNs; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1241 | if (FPMO->hasNoInfs()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1242 | Flags |= FastMathFlags::NoInfs; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1243 | if (FPMO->hasNoSignedZeros()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1244 | Flags |= FastMathFlags::NoSignedZeros; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1245 | if (FPMO->hasAllowReciprocal()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1246 | Flags |= FastMathFlags::AllowReciprocal; |
Adam Nemet | cd847a8 | 2017-03-28 20:11:52 +0000 | [diff] [blame] | 1247 | if (FPMO->hasAllowContract()) |
| 1248 | Flags |= FastMathFlags::AllowContract; |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | return Flags; |
| 1252 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1253 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1254 | void ModuleBitcodeWriter::writeValueAsMetadata( |
| 1255 | const ValueAsMetadata *MD, SmallVectorImpl<uint64_t> &Record) { |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1256 | // Mimic an MDNode with a value as one operand. |
| 1257 | Value *V = MD->getValue(); |
| 1258 | Record.push_back(VE.getTypeID(V->getType())); |
| 1259 | Record.push_back(VE.getValueID(V)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1260 | Stream.EmitRecord(bitc::METADATA_VALUE, Record, 0); |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1261 | Record.clear(); |
| 1262 | } |
| 1263 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1264 | void ModuleBitcodeWriter::writeMDTuple(const MDTuple *N, |
| 1265 | SmallVectorImpl<uint64_t> &Record, |
| 1266 | unsigned Abbrev) { |
Chris Lattner | 9b49302 | 2009-12-31 01:22:29 +0000 | [diff] [blame] | 1267 | for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1268 | Metadata *MD = N->getOperand(i); |
Duncan P. N. Exon Smith | 9a6f64e | 2015-01-20 01:00:23 +0000 | [diff] [blame] | 1269 | assert(!(MD && isa<LocalAsMetadata>(MD)) && |
| 1270 | "Unexpected function-local metadata"); |
| 1271 | Record.push_back(VE.getMetadataOrNullID(MD)); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1272 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1273 | Stream.EmitRecord(N->isDistinct() ? bitc::METADATA_DISTINCT_NODE |
| 1274 | : bitc::METADATA_NODE, |
| 1275 | Record, Abbrev); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1276 | Record.clear(); |
| 1277 | } |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 1278 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1279 | unsigned ModuleBitcodeWriter::createDILocationAbbrev() { |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1280 | // Assume the column is usually under 128, and always output the inlined-at |
| 1281 | // location (it's never more expensive than building an array size 1). |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1282 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1283 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_LOCATION)); |
| 1284 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1285 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1286 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 1287 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1288 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1289 | return Stream.EmitAbbrev(std::move(Abbv)); |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1290 | } |
| 1291 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1292 | void ModuleBitcodeWriter::writeDILocation(const DILocation *N, |
| 1293 | SmallVectorImpl<uint64_t> &Record, |
| 1294 | unsigned &Abbrev) { |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1295 | if (!Abbrev) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1296 | Abbrev = createDILocationAbbrev(); |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1297 | |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1298 | Record.push_back(N->isDistinct()); |
| 1299 | Record.push_back(N->getLine()); |
| 1300 | Record.push_back(N->getColumn()); |
| 1301 | Record.push_back(VE.getMetadataID(N->getScope())); |
Duncan P. N. Exon Smith | 9a6f64e | 2015-01-20 01:00:23 +0000 | [diff] [blame] | 1302 | Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt())); |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1303 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1304 | Stream.EmitRecord(bitc::METADATA_LOCATION, Record, Abbrev); |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1305 | Record.clear(); |
| 1306 | } |
| 1307 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1308 | unsigned ModuleBitcodeWriter::createGenericDINodeAbbrev() { |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1309 | // Assume the column is usually under 128, and always output the inlined-at |
| 1310 | // location (it's never more expensive than building an array size 1). |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1311 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1312 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_GENERIC_DEBUG)); |
| 1313 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1314 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1315 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1316 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1317 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1318 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1319 | return Stream.EmitAbbrev(std::move(Abbv)); |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1320 | } |
| 1321 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1322 | void ModuleBitcodeWriter::writeGenericDINode(const GenericDINode *N, |
| 1323 | SmallVectorImpl<uint64_t> &Record, |
| 1324 | unsigned &Abbrev) { |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1325 | if (!Abbrev) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1326 | Abbrev = createGenericDINodeAbbrev(); |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1327 | |
Duncan P. N. Exon Smith | 4e4aa70 | 2015-02-03 21:54:14 +0000 | [diff] [blame] | 1328 | Record.push_back(N->isDistinct()); |
| 1329 | Record.push_back(N->getTag()); |
| 1330 | Record.push_back(0); // Per-tag version field; unused for now. |
| 1331 | |
| 1332 | for (auto &I : N->operands()) |
| 1333 | Record.push_back(VE.getMetadataOrNullID(I)); |
| 1334 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1335 | Stream.EmitRecord(bitc::METADATA_GENERIC_DEBUG, Record, Abbrev); |
Duncan P. N. Exon Smith | 4e4aa70 | 2015-02-03 21:54:14 +0000 | [diff] [blame] | 1336 | Record.clear(); |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1337 | } |
| 1338 | |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1339 | static uint64_t rotateSign(int64_t I) { |
| 1340 | uint64_t U = I; |
| 1341 | return I < 0 ? ~(U << 1) : U << 1; |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1342 | } |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1343 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1344 | void ModuleBitcodeWriter::writeDISubrange(const DISubrange *N, |
| 1345 | SmallVectorImpl<uint64_t> &Record, |
| 1346 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1347 | Record.push_back(N->isDistinct()); |
| 1348 | Record.push_back(N->getCount()); |
Duncan P. N. Exon Smith | 5dcf621 | 2015-04-07 00:39:59 +0000 | [diff] [blame] | 1349 | Record.push_back(rotateSign(N->getLowerBound())); |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1350 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1351 | Stream.EmitRecord(bitc::METADATA_SUBRANGE, Record, Abbrev); |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1352 | Record.clear(); |
| 1353 | } |
| 1354 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1355 | void ModuleBitcodeWriter::writeDIEnumerator(const DIEnumerator *N, |
| 1356 | SmallVectorImpl<uint64_t> &Record, |
| 1357 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1358 | Record.push_back(N->isDistinct()); |
| 1359 | Record.push_back(rotateSign(N->getValue())); |
| 1360 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1361 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1362 | Stream.EmitRecord(bitc::METADATA_ENUMERATOR, Record, Abbrev); |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1363 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1364 | } |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1365 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1366 | void ModuleBitcodeWriter::writeDIBasicType(const DIBasicType *N, |
| 1367 | SmallVectorImpl<uint64_t> &Record, |
| 1368 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1369 | Record.push_back(N->isDistinct()); |
| 1370 | Record.push_back(N->getTag()); |
| 1371 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1372 | Record.push_back(N->getSizeInBits()); |
| 1373 | Record.push_back(N->getAlignInBits()); |
| 1374 | Record.push_back(N->getEncoding()); |
| 1375 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1376 | Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1377 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1378 | } |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1379 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1380 | void ModuleBitcodeWriter::writeDIDerivedType(const DIDerivedType *N, |
| 1381 | SmallVectorImpl<uint64_t> &Record, |
| 1382 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1383 | Record.push_back(N->isDistinct()); |
| 1384 | Record.push_back(N->getTag()); |
| 1385 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1386 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1387 | Record.push_back(N->getLine()); |
| 1388 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
Duncan P. N. Exon Smith | ad6eb127 | 2015-02-20 03:17:58 +0000 | [diff] [blame] | 1389 | Record.push_back(VE.getMetadataOrNullID(N->getBaseType())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1390 | Record.push_back(N->getSizeInBits()); |
| 1391 | Record.push_back(N->getAlignInBits()); |
| 1392 | Record.push_back(N->getOffsetInBits()); |
| 1393 | Record.push_back(N->getFlags()); |
| 1394 | Record.push_back(VE.getMetadataOrNullID(N->getExtraData())); |
| 1395 | |
Konstantin Zhuravlyov | d5561e0 | 2017-03-08 23:55:44 +0000 | [diff] [blame] | 1396 | // DWARF address space is encoded as N->getDWARFAddressSpace() + 1. 0 means |
| 1397 | // that there is no DWARF address space associated with DIDerivedType. |
| 1398 | if (const auto &DWARFAddressSpace = N->getDWARFAddressSpace()) |
| 1399 | Record.push_back(*DWARFAddressSpace + 1); |
| 1400 | else |
| 1401 | Record.push_back(0); |
| 1402 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1403 | Stream.EmitRecord(bitc::METADATA_DERIVED_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1404 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1405 | } |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1406 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1407 | void ModuleBitcodeWriter::writeDICompositeType( |
| 1408 | const DICompositeType *N, SmallVectorImpl<uint64_t> &Record, |
| 1409 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | a59d3e5 | 2016-04-23 21:08:00 +0000 | [diff] [blame] | 1410 | const unsigned IsNotUsedInOldTypeRef = 0x2; |
Aaron Ballman | c79c2be | 2016-04-24 13:03:20 +0000 | [diff] [blame] | 1411 | Record.push_back(IsNotUsedInOldTypeRef | (unsigned)N->isDistinct()); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1412 | Record.push_back(N->getTag()); |
| 1413 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1414 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1415 | Record.push_back(N->getLine()); |
| 1416 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1417 | Record.push_back(VE.getMetadataOrNullID(N->getBaseType())); |
| 1418 | Record.push_back(N->getSizeInBits()); |
| 1419 | Record.push_back(N->getAlignInBits()); |
| 1420 | Record.push_back(N->getOffsetInBits()); |
| 1421 | Record.push_back(N->getFlags()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1422 | Record.push_back(VE.getMetadataOrNullID(N->getElements().get())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1423 | Record.push_back(N->getRuntimeLang()); |
| 1424 | Record.push_back(VE.getMetadataOrNullID(N->getVTableHolder())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1425 | Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1426 | Record.push_back(VE.getMetadataOrNullID(N->getRawIdentifier())); |
| 1427 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1428 | Stream.EmitRecord(bitc::METADATA_COMPOSITE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1429 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1430 | } |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1431 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1432 | void ModuleBitcodeWriter::writeDISubroutineType( |
| 1433 | const DISubroutineType *N, SmallVectorImpl<uint64_t> &Record, |
| 1434 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | a59d3e5 | 2016-04-23 21:08:00 +0000 | [diff] [blame] | 1435 | const unsigned HasNoOldTypeRefs = 0x2; |
Aaron Ballman | c79c2be | 2016-04-24 13:03:20 +0000 | [diff] [blame] | 1436 | Record.push_back(HasNoOldTypeRefs | (unsigned)N->isDistinct()); |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1437 | Record.push_back(N->getFlags()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1438 | Record.push_back(VE.getMetadataOrNullID(N->getTypeArray().get())); |
Reid Kleckner | de3d8b5 | 2016-06-08 20:34:29 +0000 | [diff] [blame] | 1439 | Record.push_back(N->getCC()); |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1440 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1441 | Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1442 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1443 | } |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1444 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1445 | void ModuleBitcodeWriter::writeDIFile(const DIFile *N, |
| 1446 | SmallVectorImpl<uint64_t> &Record, |
| 1447 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1448 | Record.push_back(N->isDistinct()); |
| 1449 | Record.push_back(VE.getMetadataOrNullID(N->getRawFilename())); |
| 1450 | Record.push_back(VE.getMetadataOrNullID(N->getRawDirectory())); |
Amjad Aboud | 7faeecc | 2016-12-25 10:12:09 +0000 | [diff] [blame] | 1451 | Record.push_back(N->getChecksumKind()); |
| 1452 | Record.push_back(VE.getMetadataOrNullID(N->getRawChecksum())); |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1453 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1454 | Stream.EmitRecord(bitc::METADATA_FILE, Record, Abbrev); |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1455 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1456 | } |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1457 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1458 | void ModuleBitcodeWriter::writeDICompileUnit(const DICompileUnit *N, |
| 1459 | SmallVectorImpl<uint64_t> &Record, |
| 1460 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 55ca964 | 2015-08-03 17:26:41 +0000 | [diff] [blame] | 1461 | assert(N->isDistinct() && "Expected distinct compile units"); |
| 1462 | Record.push_back(/* IsDistinct */ true); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1463 | Record.push_back(N->getSourceLanguage()); |
Duncan P. N. Exon Smith | ad6eb127 | 2015-02-20 03:17:58 +0000 | [diff] [blame] | 1464 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1465 | Record.push_back(VE.getMetadataOrNullID(N->getRawProducer())); |
| 1466 | Record.push_back(N->isOptimized()); |
| 1467 | Record.push_back(VE.getMetadataOrNullID(N->getRawFlags())); |
| 1468 | Record.push_back(N->getRuntimeVersion()); |
| 1469 | Record.push_back(VE.getMetadataOrNullID(N->getRawSplitDebugFilename())); |
| 1470 | Record.push_back(N->getEmissionKind()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1471 | Record.push_back(VE.getMetadataOrNullID(N->getEnumTypes().get())); |
| 1472 | Record.push_back(VE.getMetadataOrNullID(N->getRetainedTypes().get())); |
Adrian Prantl | 75819ae | 2016-04-15 15:57:41 +0000 | [diff] [blame] | 1473 | Record.push_back(/* subprograms */ 0); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1474 | Record.push_back(VE.getMetadataOrNullID(N->getGlobalVariables().get())); |
| 1475 | Record.push_back(VE.getMetadataOrNullID(N->getImportedEntities().get())); |
Adrian Prantl | 1f599f9 | 2015-05-21 20:37:30 +0000 | [diff] [blame] | 1476 | Record.push_back(N->getDWOId()); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1477 | Record.push_back(VE.getMetadataOrNullID(N->getMacros().get())); |
David Blaikie | a01f295 | 2016-08-24 18:29:49 +0000 | [diff] [blame] | 1478 | Record.push_back(N->getSplitDebugInlining()); |
Dehao Chen | 0944a8c | 2017-02-01 22:45:09 +0000 | [diff] [blame] | 1479 | Record.push_back(N->getDebugInfoForProfiling()); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1480 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1481 | Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1482 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1483 | } |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1484 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1485 | void ModuleBitcodeWriter::writeDISubprogram(const DISubprogram *N, |
| 1486 | SmallVectorImpl<uint64_t> &Record, |
| 1487 | unsigned Abbrev) { |
Adrian Prantl | 85338cb | 2016-05-06 22:53:06 +0000 | [diff] [blame] | 1488 | uint64_t HasUnitFlag = 1 << 1; |
| 1489 | Record.push_back(N->isDistinct() | HasUnitFlag); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1490 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1491 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1492 | Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName())); |
| 1493 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1494 | Record.push_back(N->getLine()); |
| 1495 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1496 | Record.push_back(N->isLocalToUnit()); |
| 1497 | Record.push_back(N->isDefinition()); |
| 1498 | Record.push_back(N->getScopeLine()); |
| 1499 | Record.push_back(VE.getMetadataOrNullID(N->getContainingType())); |
| 1500 | Record.push_back(N->getVirtuality()); |
| 1501 | Record.push_back(N->getVirtualIndex()); |
| 1502 | Record.push_back(N->getFlags()); |
| 1503 | Record.push_back(N->isOptimized()); |
Adrian Prantl | 75819ae | 2016-04-15 15:57:41 +0000 | [diff] [blame] | 1504 | Record.push_back(VE.getMetadataOrNullID(N->getRawUnit())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1505 | Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get())); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1506 | Record.push_back(VE.getMetadataOrNullID(N->getDeclaration())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1507 | Record.push_back(VE.getMetadataOrNullID(N->getVariables().get())); |
Reid Kleckner | b5af11d | 2016-07-01 02:41:21 +0000 | [diff] [blame] | 1508 | Record.push_back(N->getThisAdjustment()); |
Adrian Prantl | 1d12b88 | 2017-04-26 22:56:44 +0000 | [diff] [blame] | 1509 | Record.push_back(VE.getMetadataOrNullID(N->getThrownTypes().get())); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1510 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1511 | Stream.EmitRecord(bitc::METADATA_SUBPROGRAM, Record, Abbrev); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1512 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1513 | } |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1514 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1515 | void ModuleBitcodeWriter::writeDILexicalBlock(const DILexicalBlock *N, |
| 1516 | SmallVectorImpl<uint64_t> &Record, |
| 1517 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1518 | Record.push_back(N->isDistinct()); |
| 1519 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1520 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1521 | Record.push_back(N->getLine()); |
| 1522 | Record.push_back(N->getColumn()); |
| 1523 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1524 | Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK, Record, Abbrev); |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1525 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1526 | } |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1527 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1528 | void ModuleBitcodeWriter::writeDILexicalBlockFile( |
| 1529 | const DILexicalBlockFile *N, SmallVectorImpl<uint64_t> &Record, |
| 1530 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1531 | Record.push_back(N->isDistinct()); |
| 1532 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1533 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1534 | Record.push_back(N->getDiscriminator()); |
| 1535 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1536 | Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK_FILE, Record, Abbrev); |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1537 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1538 | } |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1539 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1540 | void ModuleBitcodeWriter::writeDINamespace(const DINamespace *N, |
| 1541 | SmallVectorImpl<uint64_t> &Record, |
| 1542 | unsigned Abbrev) { |
Adrian Prantl | dbfda63 | 2016-11-03 19:42:02 +0000 | [diff] [blame] | 1543 | Record.push_back(N->isDistinct() | N->getExportSymbols() << 1); |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1544 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1545 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1546 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1547 | Stream.EmitRecord(bitc::METADATA_NAMESPACE, Record, Abbrev); |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1548 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1549 | } |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1550 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1551 | void ModuleBitcodeWriter::writeDIMacro(const DIMacro *N, |
| 1552 | SmallVectorImpl<uint64_t> &Record, |
| 1553 | unsigned Abbrev) { |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1554 | Record.push_back(N->isDistinct()); |
| 1555 | Record.push_back(N->getMacinfoType()); |
| 1556 | Record.push_back(N->getLine()); |
| 1557 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1558 | Record.push_back(VE.getMetadataOrNullID(N->getRawValue())); |
| 1559 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1560 | Stream.EmitRecord(bitc::METADATA_MACRO, Record, Abbrev); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1561 | Record.clear(); |
| 1562 | } |
| 1563 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1564 | void ModuleBitcodeWriter::writeDIMacroFile(const DIMacroFile *N, |
| 1565 | SmallVectorImpl<uint64_t> &Record, |
| 1566 | unsigned Abbrev) { |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1567 | Record.push_back(N->isDistinct()); |
| 1568 | Record.push_back(N->getMacinfoType()); |
| 1569 | Record.push_back(N->getLine()); |
| 1570 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1571 | Record.push_back(VE.getMetadataOrNullID(N->getElements().get())); |
| 1572 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1573 | Stream.EmitRecord(bitc::METADATA_MACRO_FILE, Record, Abbrev); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1574 | Record.clear(); |
| 1575 | } |
| 1576 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1577 | void ModuleBitcodeWriter::writeDIModule(const DIModule *N, |
| 1578 | SmallVectorImpl<uint64_t> &Record, |
| 1579 | unsigned Abbrev) { |
Adrian Prantl | ab1243f | 2015-06-29 23:03:47 +0000 | [diff] [blame] | 1580 | Record.push_back(N->isDistinct()); |
| 1581 | for (auto &I : N->operands()) |
| 1582 | Record.push_back(VE.getMetadataOrNullID(I)); |
| 1583 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1584 | Stream.EmitRecord(bitc::METADATA_MODULE, Record, Abbrev); |
Adrian Prantl | ab1243f | 2015-06-29 23:03:47 +0000 | [diff] [blame] | 1585 | Record.clear(); |
| 1586 | } |
| 1587 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1588 | void ModuleBitcodeWriter::writeDITemplateTypeParameter( |
| 1589 | const DITemplateTypeParameter *N, SmallVectorImpl<uint64_t> &Record, |
| 1590 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1591 | Record.push_back(N->isDistinct()); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1592 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1593 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1594 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1595 | Stream.EmitRecord(bitc::METADATA_TEMPLATE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1596 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1597 | } |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1598 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1599 | void ModuleBitcodeWriter::writeDITemplateValueParameter( |
| 1600 | const DITemplateValueParameter *N, SmallVectorImpl<uint64_t> &Record, |
| 1601 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1602 | Record.push_back(N->isDistinct()); |
| 1603 | Record.push_back(N->getTag()); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1604 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1605 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1606 | Record.push_back(VE.getMetadataOrNullID(N->getValue())); |
| 1607 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1608 | Stream.EmitRecord(bitc::METADATA_TEMPLATE_VALUE, Record, Abbrev); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1609 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1610 | } |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1611 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1612 | void ModuleBitcodeWriter::writeDIGlobalVariable( |
| 1613 | const DIGlobalVariable *N, SmallVectorImpl<uint64_t> &Record, |
| 1614 | unsigned Abbrev) { |
Adrian Prantl | bceaaa9 | 2016-12-20 02:09:43 +0000 | [diff] [blame] | 1615 | const uint64_t Version = 1 << 1; |
| 1616 | Record.push_back((uint64_t)N->isDistinct() | Version); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1617 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1618 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1619 | Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName())); |
| 1620 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1621 | Record.push_back(N->getLine()); |
| 1622 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1623 | Record.push_back(N->isLocalToUnit()); |
| 1624 | Record.push_back(N->isDefinition()); |
Adrian Prantl | bceaaa9 | 2016-12-20 02:09:43 +0000 | [diff] [blame] | 1625 | Record.push_back(/* expr */ 0); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1626 | Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration())); |
Victor Leschuk | 2ede126 | 2016-10-20 00:13:12 +0000 | [diff] [blame] | 1627 | Record.push_back(N->getAlignInBits()); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1628 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1629 | Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR, Record, Abbrev); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1630 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1631 | } |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1632 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1633 | void ModuleBitcodeWriter::writeDILocalVariable( |
| 1634 | const DILocalVariable *N, SmallVectorImpl<uint64_t> &Record, |
| 1635 | unsigned Abbrev) { |
Victor Leschuk | 2ede126 | 2016-10-20 00:13:12 +0000 | [diff] [blame] | 1636 | // In order to support all possible bitcode formats in BitcodeReader we need |
Simon Pilgrim | 2505936 | 2016-10-20 10:42:14 +0000 | [diff] [blame] | 1637 | // to distinguish the following cases: |
Victor Leschuk | 2ede126 | 2016-10-20 00:13:12 +0000 | [diff] [blame] | 1638 | // 1) Record has no artificial tag (Record[1]), |
| 1639 | // has no obsolete inlinedAt field (Record[9]). |
| 1640 | // In this case Record size will be 8, HasAlignment flag is false. |
| 1641 | // 2) Record has artificial tag (Record[1]), |
| 1642 | // has no obsolete inlignedAt field (Record[9]). |
| 1643 | // In this case Record size will be 9, HasAlignment flag is false. |
| 1644 | // 3) Record has both artificial tag (Record[1]) and |
| 1645 | // obsolete inlignedAt field (Record[9]). |
| 1646 | // In this case Record size will be 10, HasAlignment flag is false. |
| 1647 | // 4) Record has neither artificial tag, nor inlignedAt field, but |
| 1648 | // HasAlignment flag is true and Record[8] contains alignment value. |
| 1649 | const uint64_t HasAlignmentFlag = 1 << 1; |
Simon Pilgrim | 071da46 | 2016-10-20 10:37:58 +0000 | [diff] [blame] | 1650 | Record.push_back((uint64_t)N->isDistinct() | HasAlignmentFlag); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1651 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1652 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1653 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1654 | Record.push_back(N->getLine()); |
| 1655 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1656 | Record.push_back(N->getArg()); |
| 1657 | Record.push_back(N->getFlags()); |
Victor Leschuk | 2ede126 | 2016-10-20 00:13:12 +0000 | [diff] [blame] | 1658 | Record.push_back(N->getAlignInBits()); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1659 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1660 | Stream.EmitRecord(bitc::METADATA_LOCAL_VAR, Record, Abbrev); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1661 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1662 | } |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1663 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1664 | void ModuleBitcodeWriter::writeDIExpression(const DIExpression *N, |
| 1665 | SmallVectorImpl<uint64_t> &Record, |
| 1666 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1667 | Record.reserve(N->getElements().size() + 1); |
Florian Hahn | ffc498d | 2017-06-14 13:14:38 +0000 | [diff] [blame] | 1668 | const uint64_t Version = 3 << 1; |
Adrian Prantl | 6825fb6 | 2017-04-18 01:21:53 +0000 | [diff] [blame] | 1669 | Record.push_back((uint64_t)N->isDistinct() | Version); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 1670 | Record.append(N->elements_begin(), N->elements_end()); |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1671 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1672 | Stream.EmitRecord(bitc::METADATA_EXPRESSION, Record, Abbrev); |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1673 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1674 | } |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1675 | |
Adrian Prantl | bceaaa9 | 2016-12-20 02:09:43 +0000 | [diff] [blame] | 1676 | void ModuleBitcodeWriter::writeDIGlobalVariableExpression( |
| 1677 | const DIGlobalVariableExpression *N, SmallVectorImpl<uint64_t> &Record, |
| 1678 | unsigned Abbrev) { |
| 1679 | Record.push_back(N->isDistinct()); |
| 1680 | Record.push_back(VE.getMetadataOrNullID(N->getVariable())); |
| 1681 | Record.push_back(VE.getMetadataOrNullID(N->getExpression())); |
| 1682 | |
| 1683 | Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR_EXPR, Record, Abbrev); |
| 1684 | Record.clear(); |
| 1685 | } |
| 1686 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1687 | void ModuleBitcodeWriter::writeDIObjCProperty(const DIObjCProperty *N, |
| 1688 | SmallVectorImpl<uint64_t> &Record, |
| 1689 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1690 | Record.push_back(N->isDistinct()); |
| 1691 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1692 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1693 | Record.push_back(N->getLine()); |
| 1694 | Record.push_back(VE.getMetadataOrNullID(N->getRawSetterName())); |
| 1695 | Record.push_back(VE.getMetadataOrNullID(N->getRawGetterName())); |
| 1696 | Record.push_back(N->getAttributes()); |
| 1697 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1698 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1699 | Stream.EmitRecord(bitc::METADATA_OBJC_PROPERTY, Record, Abbrev); |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1700 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1701 | } |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1702 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1703 | void ModuleBitcodeWriter::writeDIImportedEntity( |
| 1704 | const DIImportedEntity *N, SmallVectorImpl<uint64_t> &Record, |
| 1705 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 1c93116 | 2015-02-13 01:46:02 +0000 | [diff] [blame] | 1706 | Record.push_back(N->isDistinct()); |
| 1707 | Record.push_back(N->getTag()); |
| 1708 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1709 | Record.push_back(VE.getMetadataOrNullID(N->getEntity())); |
| 1710 | Record.push_back(N->getLine()); |
| 1711 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1712 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1713 | Stream.EmitRecord(bitc::METADATA_IMPORTED_ENTITY, Record, Abbrev); |
Duncan P. N. Exon Smith | 1c93116 | 2015-02-13 01:46:02 +0000 | [diff] [blame] | 1714 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1715 | } |
| 1716 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1717 | unsigned ModuleBitcodeWriter::createNamedMetadataAbbrev() { |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1718 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1719 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME)); |
| 1720 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1721 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1722 | return Stream.EmitAbbrev(std::move(Abbv)); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1723 | } |
| 1724 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1725 | void ModuleBitcodeWriter::writeNamedMetadata( |
| 1726 | SmallVectorImpl<uint64_t> &Record) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1727 | if (M.named_metadata_empty()) |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1728 | return; |
| 1729 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1730 | unsigned Abbrev = createNamedMetadataAbbrev(); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1731 | for (const NamedMDNode &NMD : M.named_metadata()) { |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1732 | // Write name. |
| 1733 | StringRef Str = NMD.getName(); |
| 1734 | Record.append(Str.bytes_begin(), Str.bytes_end()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1735 | Stream.EmitRecord(bitc::METADATA_NAME, Record, Abbrev); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1736 | Record.clear(); |
| 1737 | |
| 1738 | // Write named metadata operands. |
| 1739 | for (const MDNode *N : NMD.operands()) |
| 1740 | Record.push_back(VE.getMetadataID(N)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1741 | Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1742 | Record.clear(); |
| 1743 | } |
| 1744 | } |
| 1745 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1746 | unsigned ModuleBitcodeWriter::createMetadataStringsAbbrev() { |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1747 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1748 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRINGS)); |
| 1749 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // # of strings |
| 1750 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // offset to chars |
| 1751 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1752 | return Stream.EmitAbbrev(std::move(Abbv)); |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1753 | } |
| 1754 | |
| 1755 | /// Write out a record for MDString. |
| 1756 | /// |
| 1757 | /// All the metadata strings in a metadata block are emitted in a single |
| 1758 | /// record. The sizes and strings themselves are shoved into a blob. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1759 | void ModuleBitcodeWriter::writeMetadataStrings( |
| 1760 | ArrayRef<const Metadata *> Strings, SmallVectorImpl<uint64_t> &Record) { |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1761 | if (Strings.empty()) |
| 1762 | return; |
| 1763 | |
| 1764 | // Start the record with the number of strings. |
| 1765 | Record.push_back(bitc::METADATA_STRINGS); |
| 1766 | Record.push_back(Strings.size()); |
| 1767 | |
| 1768 | // Emit the sizes of the strings in the blob. |
| 1769 | SmallString<256> Blob; |
| 1770 | { |
| 1771 | BitstreamWriter W(Blob); |
| 1772 | for (const Metadata *MD : Strings) |
| 1773 | W.EmitVBR(cast<MDString>(MD)->getLength(), 6); |
| 1774 | W.FlushToWord(); |
| 1775 | } |
| 1776 | |
| 1777 | // Add the offset to the strings to the record. |
| 1778 | Record.push_back(Blob.size()); |
| 1779 | |
| 1780 | // Add the strings to the blob. |
| 1781 | for (const Metadata *MD : Strings) |
| 1782 | Blob.append(cast<MDString>(MD)->getString()); |
| 1783 | |
| 1784 | // Emit the final record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1785 | Stream.EmitRecordWithBlob(createMetadataStringsAbbrev(), Record, Blob); |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1786 | Record.clear(); |
| 1787 | } |
| 1788 | |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1789 | // Generates an enum to use as an index in the Abbrev array of Metadata record. |
| 1790 | enum MetadataAbbrev : unsigned { |
| 1791 | #define HANDLE_MDNODE_LEAF(CLASS) CLASS##AbbrevID, |
| 1792 | #include "llvm/IR/Metadata.def" |
| 1793 | LastPlusOne |
| 1794 | }; |
| 1795 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1796 | void ModuleBitcodeWriter::writeMetadataRecords( |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1797 | ArrayRef<const Metadata *> MDs, SmallVectorImpl<uint64_t> &Record, |
| 1798 | std::vector<unsigned> *MDAbbrevs, std::vector<uint64_t> *IndexPos) { |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1799 | if (MDs.empty()) |
Duncan P. N. Exon Smith | 2fcf60e | 2015-01-12 22:30:34 +0000 | [diff] [blame] | 1800 | return; |
| 1801 | |
Duncan P. N. Exon Smith | 6b7b680 | 2015-02-04 21:54:12 +0000 | [diff] [blame] | 1802 | // Initialize MDNode abbreviations. |
| 1803 | #define HANDLE_MDNODE_LEAF(CLASS) unsigned CLASS##Abbrev = 0; |
| 1804 | #include "llvm/IR/Metadata.def" |
| 1805 | |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1806 | for (const Metadata *MD : MDs) { |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1807 | if (IndexPos) |
| 1808 | IndexPos->push_back(Stream.GetCurrentBitNo()); |
Duncan P. N. Exon Smith | 73d5aae | 2015-01-12 22:31:35 +0000 | [diff] [blame] | 1809 | if (const MDNode *N = dyn_cast<MDNode>(MD)) { |
Duncan P. N. Exon Smith | 79f8d11 | 2015-03-17 00:16:35 +0000 | [diff] [blame] | 1810 | assert(N->isResolved() && "Expected forward references to be resolved"); |
| 1811 | |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1812 | switch (N->getMetadataID()) { |
| 1813 | default: |
| 1814 | llvm_unreachable("Invalid MDNode subclass"); |
| 1815 | #define HANDLE_MDNODE_LEAF(CLASS) \ |
| 1816 | case Metadata::CLASS##Kind: \ |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1817 | if (MDAbbrevs) \ |
| 1818 | write##CLASS(cast<CLASS>(N), Record, \ |
| 1819 | (*MDAbbrevs)[MetadataAbbrev::CLASS##AbbrevID]); \ |
| 1820 | else \ |
| 1821 | write##CLASS(cast<CLASS>(N), Record, CLASS##Abbrev); \ |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1822 | continue; |
| 1823 | #include "llvm/IR/Metadata.def" |
| 1824 | } |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1825 | } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1826 | writeValueAsMetadata(cast<ValueAsMetadata>(MD), Record); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1827 | } |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1828 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1829 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1830 | void ModuleBitcodeWriter::writeModuleMetadata() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1831 | if (!VE.hasMDs() && M.named_metadata_empty()) |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1832 | return; |
| 1833 | |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1834 | Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 4); |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1835 | SmallVector<uint64_t, 64> Record; |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1836 | |
| 1837 | // Emit all abbrevs upfront, so that the reader can jump in the middle of the |
| 1838 | // block and load any metadata. |
| 1839 | std::vector<unsigned> MDAbbrevs; |
| 1840 | |
| 1841 | MDAbbrevs.resize(MetadataAbbrev::LastPlusOne); |
| 1842 | MDAbbrevs[MetadataAbbrev::DILocationAbbrevID] = createDILocationAbbrev(); |
| 1843 | MDAbbrevs[MetadataAbbrev::GenericDINodeAbbrevID] = |
| 1844 | createGenericDINodeAbbrev(); |
| 1845 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1846 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1847 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_INDEX_OFFSET)); |
Mehdi Amini | 5022bb7 | 2016-12-28 23:45:54 +0000 | [diff] [blame] | 1848 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 1849 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1850 | unsigned OffsetAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1851 | |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1852 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1853 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_INDEX)); |
| 1854 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1855 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 1856 | unsigned IndexAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1857 | |
| 1858 | // Emit MDStrings together upfront. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1859 | writeMetadataStrings(VE.getMDStrings(), Record); |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1860 | |
| 1861 | // We only emit an index for the metadata record if we have more than a given |
| 1862 | // (naive) threshold of metadatas, otherwise it is not worth it. |
| 1863 | if (VE.getNonMDStrings().size() > IndexThreshold) { |
| 1864 | // Write a placeholder value in for the offset of the metadata index, |
| 1865 | // which is written after the records, so that it can include |
| 1866 | // the offset of each entry. The placeholder offset will be |
| 1867 | // updated after all records are emitted. |
Mehdi Amini | 5022bb7 | 2016-12-28 23:45:54 +0000 | [diff] [blame] | 1868 | uint64_t Vals[] = {0, 0}; |
Mehdi Amini | e98f925 | 2016-12-28 22:30:28 +0000 | [diff] [blame] | 1869 | Stream.EmitRecord(bitc::METADATA_INDEX_OFFSET, Vals, OffsetAbbrev); |
| 1870 | } |
| 1871 | |
| 1872 | // Compute and save the bit offset to the current position, which will be |
| 1873 | // patched when we emit the index later. We can simply subtract the 64-bit |
| 1874 | // fixed size from the current bit number to get the location to backpatch. |
| 1875 | uint64_t IndexOffsetRecordBitPos = Stream.GetCurrentBitNo(); |
| 1876 | |
| 1877 | // This index will contain the bitpos for each individual record. |
| 1878 | std::vector<uint64_t> IndexPos; |
| 1879 | IndexPos.reserve(VE.getNonMDStrings().size()); |
| 1880 | |
| 1881 | // Write all the records |
| 1882 | writeMetadataRecords(VE.getNonMDStrings(), Record, &MDAbbrevs, &IndexPos); |
| 1883 | |
| 1884 | if (VE.getNonMDStrings().size() > IndexThreshold) { |
| 1885 | // Now that we have emitted all the records we will emit the index. But |
| 1886 | // first |
| 1887 | // backpatch the forward reference so that the reader can skip the records |
| 1888 | // efficiently. |
| 1889 | Stream.BackpatchWord64(IndexOffsetRecordBitPos - 64, |
| 1890 | Stream.GetCurrentBitNo() - IndexOffsetRecordBitPos); |
| 1891 | |
| 1892 | // Delta encode the index. |
| 1893 | uint64_t PreviousValue = IndexOffsetRecordBitPos; |
| 1894 | for (auto &Elt : IndexPos) { |
| 1895 | auto EltDelta = Elt - PreviousValue; |
| 1896 | PreviousValue = Elt; |
| 1897 | Elt = EltDelta; |
| 1898 | } |
| 1899 | // Emit the index record. |
| 1900 | Stream.EmitRecord(bitc::METADATA_INDEX, IndexPos, IndexAbbrev); |
| 1901 | IndexPos.clear(); |
| 1902 | } |
| 1903 | |
| 1904 | // Write the named metadata now. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1905 | writeNamedMetadata(Record); |
Peter Collingbourne | 2152189 | 2016-06-21 23:42:48 +0000 | [diff] [blame] | 1906 | |
| 1907 | auto AddDeclAttachedMetadata = [&](const GlobalObject &GO) { |
| 1908 | SmallVector<uint64_t, 4> Record; |
| 1909 | Record.push_back(VE.getValueID(&GO)); |
| 1910 | pushGlobalMetadataAttachment(Record, GO); |
| 1911 | Stream.EmitRecord(bitc::METADATA_GLOBAL_DECL_ATTACHMENT, Record); |
| 1912 | }; |
| 1913 | for (const Function &F : M) |
| 1914 | if (F.isDeclaration() && F.hasMetadata()) |
| 1915 | AddDeclAttachedMetadata(F); |
| 1916 | // FIXME: Only store metadata for declarations here, and move data for global |
| 1917 | // variable definitions to a separate block (PR28134). |
| 1918 | for (const GlobalVariable &GV : M.globals()) |
| 1919 | if (GV.hasMetadata()) |
| 1920 | AddDeclAttachedMetadata(GV); |
| 1921 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1922 | Stream.ExitBlock(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1923 | } |
| 1924 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1925 | void ModuleBitcodeWriter::writeFunctionMetadata(const Function &F) { |
Duncan P. N. Exon Smith | 9342911 | 2016-04-02 15:09:42 +0000 | [diff] [blame] | 1926 | if (!VE.hasMDs()) |
Duncan P. N. Exon Smith | 5465f0a | 2016-03-27 23:38:36 +0000 | [diff] [blame] | 1927 | return; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1928 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1929 | Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); |
Duncan P. N. Exon Smith | 5465f0a | 2016-03-27 23:38:36 +0000 | [diff] [blame] | 1930 | SmallVector<uint64_t, 64> Record; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1931 | writeMetadataStrings(VE.getMDStrings(), Record); |
| 1932 | writeMetadataRecords(VE.getNonMDStrings(), Record); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1933 | Stream.ExitBlock(); |
Victor Hernandez | b00a6be | 2010-01-13 19:37:33 +0000 | [diff] [blame] | 1934 | } |
| 1935 | |
Peter Collingbourne | cceae7f | 2016-05-31 23:01:54 +0000 | [diff] [blame] | 1936 | void ModuleBitcodeWriter::pushGlobalMetadataAttachment( |
| 1937 | SmallVectorImpl<uint64_t> &Record, const GlobalObject &GO) { |
| 1938 | // [n x [id, mdnode]] |
| 1939 | SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; |
| 1940 | GO.getAllMetadata(MDs); |
| 1941 | for (const auto &I : MDs) { |
| 1942 | Record.push_back(I.first); |
| 1943 | Record.push_back(VE.getMetadataID(I.second)); |
| 1944 | } |
| 1945 | } |
| 1946 | |
| 1947 | void ModuleBitcodeWriter::writeFunctionMetadataAttachment(const Function &F) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1948 | Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 1949 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1950 | SmallVector<uint64_t, 64> Record; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1951 | |
Peter Collingbourne | cceae7f | 2016-05-31 23:01:54 +0000 | [diff] [blame] | 1952 | if (F.hasMetadata()) { |
| 1953 | pushGlobalMetadataAttachment(Record, F); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1954 | Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); |
Duncan P. N. Exon Smith | 3d4cd75 | 2015-04-24 22:04:41 +0000 | [diff] [blame] | 1955 | Record.clear(); |
| 1956 | } |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1957 | |
Peter Collingbourne | cceae7f | 2016-05-31 23:01:54 +0000 | [diff] [blame] | 1958 | // Write metadata attachments |
| 1959 | // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] |
| 1960 | SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1961 | for (const BasicBlock &BB : F) |
| 1962 | for (const Instruction &I : BB) { |
Devang Patel | 6da5dbf | 2009-10-22 18:55:16 +0000 | [diff] [blame] | 1963 | MDs.clear(); |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1964 | I.getAllMetadataOtherThanDebugLoc(MDs); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1965 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1966 | // If no metadata, ignore instruction. |
| 1967 | if (MDs.empty()) continue; |
| 1968 | |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1969 | Record.push_back(VE.getInstructionID(&I)); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1970 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1971 | for (unsigned i = 0, e = MDs.size(); i != e; ++i) { |
| 1972 | Record.push_back(MDs[i].first); |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1973 | Record.push_back(VE.getMetadataID(MDs[i].second)); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1974 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1975 | Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1976 | Record.clear(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1977 | } |
| 1978 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1979 | Stream.ExitBlock(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1980 | } |
| 1981 | |
Peter Collingbourne | 2152189 | 2016-06-21 23:42:48 +0000 | [diff] [blame] | 1982 | void ModuleBitcodeWriter::writeModuleMetadataKinds() { |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1983 | SmallVector<uint64_t, 64> Record; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1984 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1985 | // Write metadata kinds |
| 1986 | // METADATA_KIND - [n x [id, name]] |
Michael Ilseman | 979dfbb | 2012-12-03 22:57:47 +0000 | [diff] [blame] | 1987 | SmallVector<StringRef, 8> Names; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1988 | M.getMDKindNames(Names); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1989 | |
Dan Gohman | 43aa8f0 | 2010-07-20 21:42:28 +0000 | [diff] [blame] | 1990 | if (Names.empty()) return; |
Chris Lattner | c9558df | 2009-12-28 20:10:43 +0000 | [diff] [blame] | 1991 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1992 | Stream.EnterSubblock(bitc::METADATA_KIND_BLOCK_ID, 3); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1993 | |
Dan Gohman | 43aa8f0 | 2010-07-20 21:42:28 +0000 | [diff] [blame] | 1994 | for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { |
Chris Lattner | c9558df | 2009-12-28 20:10:43 +0000 | [diff] [blame] | 1995 | Record.push_back(MDKindID); |
| 1996 | StringRef KName = Names[MDKindID]; |
| 1997 | Record.append(KName.begin(), KName.end()); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1998 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 1999 | Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 2000 | Record.clear(); |
| 2001 | } |
| 2002 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2003 | Stream.ExitBlock(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2004 | } |
| 2005 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2006 | void ModuleBitcodeWriter::writeOperandBundleTags() { |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2007 | // Write metadata kinds |
| 2008 | // |
| 2009 | // OPERAND_BUNDLE_TAGS_BLOCK_ID : N x OPERAND_BUNDLE_TAG |
| 2010 | // |
| 2011 | // OPERAND_BUNDLE_TAG - [strchr x N] |
| 2012 | |
| 2013 | SmallVector<StringRef, 8> Tags; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2014 | M.getOperandBundleTags(Tags); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2015 | |
| 2016 | if (Tags.empty()) |
| 2017 | return; |
| 2018 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2019 | Stream.EnterSubblock(bitc::OPERAND_BUNDLE_TAGS_BLOCK_ID, 3); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2020 | |
| 2021 | SmallVector<uint64_t, 64> Record; |
| 2022 | |
| 2023 | for (auto Tag : Tags) { |
| 2024 | Record.append(Tag.begin(), Tag.end()); |
| 2025 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2026 | Stream.EmitRecord(bitc::OPERAND_BUNDLE_TAG, Record, 0); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2027 | Record.clear(); |
| 2028 | } |
| 2029 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2030 | Stream.ExitBlock(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2031 | } |
| 2032 | |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2033 | static void emitSignedInt64(SmallVectorImpl<uint64_t> &Vals, uint64_t V) { |
| 2034 | if ((int64_t)V >= 0) |
| 2035 | Vals.push_back(V << 1); |
| 2036 | else |
| 2037 | Vals.push_back((-V << 1) | 1); |
| 2038 | } |
| 2039 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2040 | void ModuleBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal, |
| 2041 | bool isGlobal) { |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2042 | if (FirstVal == LastVal) return; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2043 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2044 | Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2045 | |
| 2046 | unsigned AggregateAbbrev = 0; |
| 2047 | unsigned String8Abbrev = 0; |
| 2048 | unsigned CString7Abbrev = 0; |
| 2049 | unsigned CString6Abbrev = 0; |
| 2050 | // If this is a constant pool for the module, emit module-specific abbrevs. |
| 2051 | if (isGlobal) { |
| 2052 | // Abbrev for CST_CODE_AGGREGATE. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2053 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2054 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); |
| 2055 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2056 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2057 | AggregateAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2058 | |
| 2059 | // Abbrev for CST_CODE_STRING. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2060 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2061 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); |
| 2062 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2063 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2064 | String8Abbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2065 | // Abbrev for CST_CODE_CSTRING. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2066 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2067 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); |
| 2068 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2069 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2070 | CString7Abbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2071 | // Abbrev for CST_CODE_CSTRING. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2072 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2073 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); |
| 2074 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2075 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2076 | CString6Abbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2077 | } |
| 2078 | |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2079 | SmallVector<uint64_t, 64> Record; |
| 2080 | |
| 2081 | const ValueEnumerator::ValueList &Vals = VE.getValues(); |
Craig Topper | 2617dcc | 2014-04-15 06:32:26 +0000 | [diff] [blame] | 2082 | Type *LastTy = nullptr; |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 2083 | for (unsigned i = FirstVal; i != LastVal; ++i) { |
| 2084 | const Value *V = Vals[i].first; |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2085 | // If we need to switch types, do so now. |
| 2086 | if (V->getType() != LastTy) { |
| 2087 | LastTy = V->getType(); |
| 2088 | Record.push_back(VE.getTypeID(LastTy)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2089 | Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, |
| 2090 | CONSTANTS_SETTYPE_ABBREV); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2091 | Record.clear(); |
| 2092 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2093 | |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2094 | if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { |
Dale Johannesen | fd04c74 | 2009-10-13 20:46:56 +0000 | [diff] [blame] | 2095 | Record.push_back(unsigned(IA->hasSideEffects()) | |
Chad Rosier | 18fcdcf | 2012-09-05 00:56:20 +0000 | [diff] [blame] | 2096 | unsigned(IA->isAlignStack()) << 1 | |
| 2097 | unsigned(IA->getDialect()&1) << 2); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2098 | |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 2099 | // Add the asm string. |
| 2100 | const std::string &AsmStr = IA->getAsmString(); |
| 2101 | Record.push_back(AsmStr.size()); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2102 | Record.append(AsmStr.begin(), AsmStr.end()); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2103 | |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 2104 | // Add the constraint string. |
| 2105 | const std::string &ConstraintStr = IA->getConstraintString(); |
| 2106 | Record.push_back(ConstraintStr.size()); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2107 | Record.append(ConstraintStr.begin(), ConstraintStr.end()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2108 | Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 2109 | Record.clear(); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2110 | continue; |
| 2111 | } |
| 2112 | const Constant *C = cast<Constant>(V); |
| 2113 | unsigned Code = -1U; |
| 2114 | unsigned AbbrevToUse = 0; |
| 2115 | if (C->isNullValue()) { |
| 2116 | Code = bitc::CST_CODE_NULL; |
| 2117 | } else if (isa<UndefValue>(C)) { |
| 2118 | Code = bitc::CST_CODE_UNDEF; |
| 2119 | } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 2120 | if (IV->getBitWidth() <= 64) { |
| 2121 | uint64_t V = IV->getSExtValue(); |
| 2122 | emitSignedInt64(Record, V); |
| 2123 | Code = bitc::CST_CODE_INTEGER; |
| 2124 | AbbrevToUse = CONSTANTS_INTEGER_ABBREV; |
| 2125 | } else { // Wide integers, > 64 bits in size. |
| 2126 | // We have an arbitrary precision integer value to write whose |
| 2127 | // bit width is > 64. However, in canonical unsigned integer |
| 2128 | // format it is likely that the high bits are going to be zero. |
| 2129 | // So, we only write the number of active words. |
| 2130 | unsigned NWords = IV->getValue().getActiveWords(); |
| 2131 | const uint64_t *RawWords = IV->getValue().getRawData(); |
| 2132 | for (unsigned i = 0; i != NWords; ++i) { |
| 2133 | emitSignedInt64(Record, RawWords[i]); |
| 2134 | } |
| 2135 | Code = bitc::CST_CODE_WIDE_INTEGER; |
| 2136 | } |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2137 | } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { |
| 2138 | Code = bitc::CST_CODE_FLOAT; |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 2139 | Type *Ty = CFP->getType(); |
Dan Gohman | 518cda4 | 2011-12-17 00:04:22 +0000 | [diff] [blame] | 2140 | if (Ty->isHalfTy() || Ty->isFloatTy() || Ty->isDoubleTy()) { |
Dale Johannesen | 54306fe | 2008-10-09 18:53:47 +0000 | [diff] [blame] | 2141 | Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); |
Chris Lattner | fdd8790 | 2009-10-05 05:54:46 +0000 | [diff] [blame] | 2142 | } else if (Ty->isX86_FP80Ty()) { |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 2143 | // api needed to prevent premature destruction |
Dale Johannesen | 93eefa0 | 2009-03-23 21:16:53 +0000 | [diff] [blame] | 2144 | // bits are not in the same order as a normal i80 APInt, compensate. |
Dale Johannesen | 54306fe | 2008-10-09 18:53:47 +0000 | [diff] [blame] | 2145 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 2146 | const uint64_t *p = api.getRawData(); |
Dale Johannesen | 93eefa0 | 2009-03-23 21:16:53 +0000 | [diff] [blame] | 2147 | Record.push_back((p[1] << 48) | (p[0] >> 16)); |
| 2148 | Record.push_back(p[0] & 0xffffLL); |
Chris Lattner | fdd8790 | 2009-10-05 05:54:46 +0000 | [diff] [blame] | 2149 | } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { |
Dale Johannesen | 54306fe | 2008-10-09 18:53:47 +0000 | [diff] [blame] | 2150 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 2151 | const uint64_t *p = api.getRawData(); |
Dale Johannesen | 245dceb | 2007-09-11 18:32:33 +0000 | [diff] [blame] | 2152 | Record.push_back(p[0]); |
| 2153 | Record.push_back(p[1]); |
Dale Johannesen | bdad809 | 2007-08-09 22:51:36 +0000 | [diff] [blame] | 2154 | } else { |
| 2155 | assert (0 && "Unknown FP type!"); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2156 | } |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2157 | } else if (isa<ConstantDataSequential>(C) && |
| 2158 | cast<ConstantDataSequential>(C)->isString()) { |
| 2159 | const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); |
| 2160 | // Emit constant strings specially. |
| 2161 | unsigned NumElts = Str->getNumElements(); |
| 2162 | // If this is a null-terminated string, use the denser CSTRING encoding. |
| 2163 | if (Str->isCString()) { |
| 2164 | Code = bitc::CST_CODE_CSTRING; |
| 2165 | --NumElts; // Don't encode the null, which isn't allowed by char6. |
| 2166 | } else { |
| 2167 | Code = bitc::CST_CODE_STRING; |
| 2168 | AbbrevToUse = String8Abbrev; |
| 2169 | } |
| 2170 | bool isCStr7 = Code == bitc::CST_CODE_CSTRING; |
| 2171 | bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; |
| 2172 | for (unsigned i = 0; i != NumElts; ++i) { |
| 2173 | unsigned char V = Str->getElementAsInteger(i); |
| 2174 | Record.push_back(V); |
| 2175 | isCStr7 &= (V & 128) == 0; |
| 2176 | if (isCStrChar6) |
| 2177 | isCStrChar6 = BitCodeAbbrevOp::isChar6(V); |
| 2178 | } |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2179 | |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2180 | if (isCStrChar6) |
| 2181 | AbbrevToUse = CString6Abbrev; |
| 2182 | else if (isCStr7) |
| 2183 | AbbrevToUse = CString7Abbrev; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2184 | } else if (const ConstantDataSequential *CDS = |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2185 | dyn_cast<ConstantDataSequential>(C)) { |
Chris Lattner | 5d91707 | 2012-01-30 07:36:01 +0000 | [diff] [blame] | 2186 | Code = bitc::CST_CODE_DATA; |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2187 | Type *EltTy = CDS->getType()->getElementType(); |
| 2188 | if (isa<IntegerType>(EltTy)) { |
| 2189 | for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) |
| 2190 | Record.push_back(CDS->getElementAsInteger(i)); |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2191 | } else { |
Justin Bogner | a43eacb | 2016-01-06 22:31:32 +0000 | [diff] [blame] | 2192 | for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) |
| 2193 | Record.push_back( |
| 2194 | CDS->getElementAsAPFloat(i).bitcastToAPInt().getLimitedValue()); |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 2195 | } |
Duncan P. N. Exon Smith | 1de3c7e | 2016-04-05 21:10:45 +0000 | [diff] [blame] | 2196 | } else if (isa<ConstantAggregate>(C)) { |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2197 | Code = bitc::CST_CODE_AGGREGATE; |
Pete Cooper | 125ad17 | 2015-06-25 20:51:38 +0000 | [diff] [blame] | 2198 | for (const Value *Op : C->operands()) |
| 2199 | Record.push_back(VE.getValueID(Op)); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2200 | AbbrevToUse = AggregateAbbrev; |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2201 | } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2202 | switch (CE->getOpcode()) { |
| 2203 | default: |
| 2204 | if (Instruction::isCast(CE->getOpcode())) { |
| 2205 | Code = bitc::CST_CODE_CE_CAST; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2206 | Record.push_back(getEncodedCastOpcode(CE->getOpcode())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2207 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 2208 | Record.push_back(VE.getValueID(C->getOperand(0))); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2209 | AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2210 | } else { |
| 2211 | assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); |
| 2212 | Code = bitc::CST_CODE_CE_BINOP; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2213 | Record.push_back(getEncodedBinaryOpcode(CE->getOpcode())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2214 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 2215 | Record.push_back(VE.getValueID(C->getOperand(1))); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2216 | uint64_t Flags = getOptimizationFlags(CE); |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 2217 | if (Flags != 0) |
| 2218 | Record.push_back(Flags); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2219 | } |
| 2220 | break; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 2221 | case Instruction::GetElementPtr: { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2222 | Code = bitc::CST_CODE_CE_GEP; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 2223 | const auto *GO = cast<GEPOperator>(C); |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 2224 | Record.push_back(VE.getTypeID(GO->getSourceElementType())); |
Peter Collingbourne | d93620b | 2016-11-10 22:34:55 +0000 | [diff] [blame] | 2225 | if (Optional<unsigned> Idx = GO->getInRangeIndex()) { |
| 2226 | Code = bitc::CST_CODE_CE_GEP_WITH_INRANGE_INDEX; |
| 2227 | Record.push_back((*Idx << 1) | GO->isInBounds()); |
| 2228 | } else if (GO->isInBounds()) |
| 2229 | Code = bitc::CST_CODE_CE_INBOUNDS_GEP; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2230 | for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { |
| 2231 | Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); |
| 2232 | Record.push_back(VE.getValueID(C->getOperand(i))); |
| 2233 | } |
| 2234 | break; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 2235 | } |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2236 | case Instruction::Select: |
| 2237 | Code = bitc::CST_CODE_CE_SELECT; |
| 2238 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 2239 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 2240 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 2241 | break; |
| 2242 | case Instruction::ExtractElement: |
| 2243 | Code = bitc::CST_CODE_CE_EXTRACTELT; |
| 2244 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 2245 | Record.push_back(VE.getValueID(C->getOperand(0))); |
Michael J. Spencer | 1f10c5ea | 2014-05-01 22:12:39 +0000 | [diff] [blame] | 2246 | Record.push_back(VE.getTypeID(C->getOperand(1)->getType())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2247 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 2248 | break; |
| 2249 | case Instruction::InsertElement: |
| 2250 | Code = bitc::CST_CODE_CE_INSERTELT; |
| 2251 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 2252 | Record.push_back(VE.getValueID(C->getOperand(1))); |
Michael J. Spencer | 1f10c5ea | 2014-05-01 22:12:39 +0000 | [diff] [blame] | 2253 | Record.push_back(VE.getTypeID(C->getOperand(2)->getType())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2254 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 2255 | break; |
| 2256 | case Instruction::ShuffleVector: |
Nate Begeman | 94aa38d | 2009-02-12 21:28:33 +0000 | [diff] [blame] | 2257 | // If the return type and argument types are the same, this is a |
| 2258 | // standard shufflevector instruction. If the types are different, |
| 2259 | // then the shuffle is widening or truncating the input vectors, and |
| 2260 | // the argument type must also be encoded. |
| 2261 | if (C->getType() == C->getOperand(0)->getType()) { |
| 2262 | Code = bitc::CST_CODE_CE_SHUFFLEVEC; |
| 2263 | } else { |
| 2264 | Code = bitc::CST_CODE_CE_SHUFVEC_EX; |
| 2265 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 2266 | } |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2267 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 2268 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 2269 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 2270 | break; |
| 2271 | case Instruction::ICmp: |
| 2272 | case Instruction::FCmp: |
Nick Lewycky | a21d3da | 2009-07-08 03:04:38 +0000 | [diff] [blame] | 2273 | Code = bitc::CST_CODE_CE_CMP; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 2274 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 2275 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 2276 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 2277 | Record.push_back(CE->getPredicate()); |
| 2278 | break; |
| 2279 | } |
Chris Lattner | f540d74 | 2009-10-28 05:24:40 +0000 | [diff] [blame] | 2280 | } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { |
Chris Lattner | f540d74 | 2009-10-28 05:24:40 +0000 | [diff] [blame] | 2281 | Code = bitc::CST_CODE_BLOCKADDRESS; |
| 2282 | Record.push_back(VE.getTypeID(BA->getFunction()->getType())); |
| 2283 | Record.push_back(VE.getValueID(BA->getFunction())); |
| 2284 | Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2285 | } else { |
Dan Gohman | 47dc8fd | 2010-07-21 21:18:37 +0000 | [diff] [blame] | 2286 | #ifndef NDEBUG |
| 2287 | C->dump(); |
| 2288 | #endif |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2289 | llvm_unreachable("Unknown constant!"); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2290 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2291 | Stream.EmitRecord(Code, Record, AbbrevToUse); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2292 | Record.clear(); |
| 2293 | } |
| 2294 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2295 | Stream.ExitBlock(); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2296 | } |
| 2297 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2298 | void ModuleBitcodeWriter::writeModuleConstants() { |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2299 | const ValueEnumerator::ValueList &Vals = VE.getValues(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2300 | |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2301 | // Find the first constant to emit, which is the first non-globalvalue value. |
| 2302 | // We know globalvalues have been emitted by WriteModuleInfo. |
| 2303 | for (unsigned i = 0, e = Vals.size(); i != e; ++i) { |
| 2304 | if (!isa<GlobalValue>(Vals[i].first)) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2305 | writeConstants(i, Vals.size(), true); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2306 | return; |
| 2307 | } |
| 2308 | } |
| 2309 | } |
Chris Lattner | 215e9cd | 2007-04-23 20:35:01 +0000 | [diff] [blame] | 2310 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2311 | /// pushValueAndType - The file has to encode both the value and type id for |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2312 | /// many values, because we need to know what type to create for forward |
| 2313 | /// references. However, most operands are not forward references, so this type |
| 2314 | /// field is not needed. |
| 2315 | /// |
| 2316 | /// This function adds V's value ID to Vals. If the value ID is higher than the |
| 2317 | /// instruction ID, then it is a forward reference, and it also includes the |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2318 | /// type ID. The value ID that is written is encoded relative to the InstID. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2319 | bool ModuleBitcodeWriter::pushValueAndType(const Value *V, unsigned InstID, |
| 2320 | SmallVectorImpl<unsigned> &Vals) { |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2321 | unsigned ValID = VE.getValueID(V); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2322 | // Make encoding relative to the InstID. |
| 2323 | Vals.push_back(InstID - ValID); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2324 | if (ValID >= InstID) { |
| 2325 | Vals.push_back(VE.getTypeID(V->getType())); |
| 2326 | return true; |
| 2327 | } |
| 2328 | return false; |
| 2329 | } |
| 2330 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2331 | void ModuleBitcodeWriter::writeOperandBundles(ImmutableCallSite CS, |
| 2332 | unsigned InstID) { |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2333 | SmallVector<unsigned, 64> Record; |
| 2334 | LLVMContext &C = CS.getInstruction()->getContext(); |
| 2335 | |
| 2336 | for (unsigned i = 0, e = CS.getNumOperandBundles(); i != e; ++i) { |
Sanjoy Das | 54c3ca6 | 2015-11-07 01:56:04 +0000 | [diff] [blame] | 2337 | const auto &Bundle = CS.getOperandBundleAt(i); |
Sanjoy Das | b9ca6dc | 2015-11-10 20:13:15 +0000 | [diff] [blame] | 2338 | Record.push_back(C.getOperandBundleTagID(Bundle.getTagName())); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2339 | |
| 2340 | for (auto &Input : Bundle.Inputs) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2341 | pushValueAndType(Input, InstID, Record); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2342 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2343 | Stream.EmitRecord(bitc::FUNC_CODE_OPERAND_BUNDLE, Record); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2344 | Record.clear(); |
| 2345 | } |
| 2346 | } |
| 2347 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2348 | /// pushValue - Like pushValueAndType, but where the type of the value is |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2349 | /// omitted (perhaps it was already encoded in an earlier operand). |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2350 | void ModuleBitcodeWriter::pushValue(const Value *V, unsigned InstID, |
| 2351 | SmallVectorImpl<unsigned> &Vals) { |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2352 | unsigned ValID = VE.getValueID(V); |
| 2353 | Vals.push_back(InstID - ValID); |
| 2354 | } |
| 2355 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2356 | void ModuleBitcodeWriter::pushValueSigned(const Value *V, unsigned InstID, |
| 2357 | SmallVectorImpl<uint64_t> &Vals) { |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2358 | unsigned ValID = VE.getValueID(V); |
| 2359 | int64_t diff = ((int32_t)InstID - (int32_t)ValID); |
| 2360 | emitSignedInt64(Vals, diff); |
| 2361 | } |
| 2362 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2363 | /// WriteInstruction - Emit an instruction to the specified stream. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2364 | void ModuleBitcodeWriter::writeInstruction(const Instruction &I, |
| 2365 | unsigned InstID, |
| 2366 | SmallVectorImpl<unsigned> &Vals) { |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2367 | unsigned Code = 0; |
| 2368 | unsigned AbbrevToUse = 0; |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 2369 | VE.setInstructionID(&I); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2370 | switch (I.getOpcode()) { |
| 2371 | default: |
| 2372 | if (Instruction::isCast(I.getOpcode())) { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2373 | Code = bitc::FUNC_CODE_INST_CAST; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2374 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2375 | AbbrevToUse = FUNCTION_INST_CAST_ABBREV; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2376 | Vals.push_back(VE.getTypeID(I.getType())); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2377 | Vals.push_back(getEncodedCastOpcode(I.getOpcode())); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2378 | } else { |
| 2379 | assert(isa<BinaryOperator>(I) && "Unknown instruction!"); |
Chris Lattner | 9f35f91 | 2007-05-02 04:26:36 +0000 | [diff] [blame] | 2380 | Code = bitc::FUNC_CODE_INST_BINOP; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2381 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2382 | AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2383 | pushValue(I.getOperand(1), InstID, Vals); |
| 2384 | Vals.push_back(getEncodedBinaryOpcode(I.getOpcode())); |
| 2385 | uint64_t Flags = getOptimizationFlags(&I); |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 2386 | if (Flags != 0) { |
| 2387 | if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) |
| 2388 | AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; |
| 2389 | Vals.push_back(Flags); |
| 2390 | } |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2391 | } |
| 2392 | break; |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2393 | |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2394 | case Instruction::GetElementPtr: { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2395 | Code = bitc::FUNC_CODE_INST_GEP; |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2396 | AbbrevToUse = FUNCTION_INST_GEP_ABBREV; |
| 2397 | auto &GEPInst = cast<GetElementPtrInst>(I); |
| 2398 | Vals.push_back(GEPInst.isInBounds()); |
| 2399 | Vals.push_back(VE.getTypeID(GEPInst.getSourceElementType())); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2400 | for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2401 | pushValueAndType(I.getOperand(i), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2402 | break; |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2403 | } |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2404 | case Instruction::ExtractValue: { |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2405 | Code = bitc::FUNC_CODE_INST_EXTRACTVAL; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2406 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2407 | const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2408 | Vals.append(EVI->idx_begin(), EVI->idx_end()); |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2409 | break; |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2410 | } |
| 2411 | case Instruction::InsertValue: { |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2412 | Code = bitc::FUNC_CODE_INST_INSERTVAL; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2413 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2414 | pushValueAndType(I.getOperand(1), InstID, Vals); |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2415 | const InsertValueInst *IVI = cast<InsertValueInst>(&I); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2416 | Vals.append(IVI->idx_begin(), IVI->idx_end()); |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2417 | break; |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2418 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2419 | case Instruction::Select: |
Dan Gohman | c5d2892 | 2008-09-16 01:01:33 +0000 | [diff] [blame] | 2420 | Code = bitc::FUNC_CODE_INST_VSELECT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2421 | pushValueAndType(I.getOperand(1), InstID, Vals); |
| 2422 | pushValue(I.getOperand(2), InstID, Vals); |
| 2423 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2424 | break; |
| 2425 | case Instruction::ExtractElement: |
| 2426 | Code = bitc::FUNC_CODE_INST_EXTRACTELT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2427 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2428 | pushValueAndType(I.getOperand(1), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2429 | break; |
| 2430 | case Instruction::InsertElement: |
| 2431 | Code = bitc::FUNC_CODE_INST_INSERTELT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2432 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2433 | pushValue(I.getOperand(1), InstID, Vals); |
| 2434 | pushValueAndType(I.getOperand(2), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2435 | break; |
| 2436 | case Instruction::ShuffleVector: |
| 2437 | Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2438 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2439 | pushValue(I.getOperand(1), InstID, Vals); |
| 2440 | pushValue(I.getOperand(2), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2441 | break; |
| 2442 | case Instruction::ICmp: |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2443 | case Instruction::FCmp: { |
Nick Lewycky | a21d3da | 2009-07-08 03:04:38 +0000 | [diff] [blame] | 2444 | // compare returning Int1Ty or vector of Int1Ty |
| 2445 | Code = bitc::FUNC_CODE_INST_CMP2; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2446 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2447 | pushValue(I.getOperand(1), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2448 | Vals.push_back(cast<CmpInst>(I).getPredicate()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2449 | uint64_t Flags = getOptimizationFlags(&I); |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2450 | if (Flags != 0) |
| 2451 | Vals.push_back(Flags); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2452 | break; |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2453 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2454 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2455 | case Instruction::Ret: |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2456 | { |
| 2457 | Code = bitc::FUNC_CODE_INST_RET; |
| 2458 | unsigned NumOperands = I.getNumOperands(); |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2459 | if (NumOperands == 0) |
| 2460 | AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; |
| 2461 | else if (NumOperands == 1) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2462 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2463 | AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; |
| 2464 | } else { |
| 2465 | for (unsigned i = 0, e = NumOperands; i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2466 | pushValueAndType(I.getOperand(i), InstID, Vals); |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2467 | } |
| 2468 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2469 | break; |
| 2470 | case Instruction::Br: |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2471 | { |
| 2472 | Code = bitc::FUNC_CODE_INST_BR; |
David Blaikie | b78e9e5 | 2013-02-11 01:16:51 +0000 | [diff] [blame] | 2473 | const BranchInst &II = cast<BranchInst>(I); |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2474 | Vals.push_back(VE.getValueID(II.getSuccessor(0))); |
| 2475 | if (II.isConditional()) { |
| 2476 | Vals.push_back(VE.getValueID(II.getSuccessor(1))); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2477 | pushValue(II.getCondition(), InstID, Vals); |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2478 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2479 | } |
| 2480 | break; |
| 2481 | case Instruction::Switch: |
Stepan Dyatkovskiy | 513aaa5 | 2012-02-01 07:49:51 +0000 | [diff] [blame] | 2482 | { |
| 2483 | Code = bitc::FUNC_CODE_INST_SWITCH; |
David Blaikie | b78e9e5 | 2013-02-11 01:16:51 +0000 | [diff] [blame] | 2484 | const SwitchInst &SI = cast<SwitchInst>(I); |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 2485 | Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2486 | pushValue(SI.getCondition(), InstID, Vals); |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 2487 | Vals.push_back(VE.getValueID(SI.getDefaultDest())); |
Chandler Carruth | 927d8e6 | 2017-04-12 07:27:28 +0000 | [diff] [blame] | 2488 | for (auto Case : SI.cases()) { |
Sanjay Patel | 225d65f | 2015-11-13 16:21:23 +0000 | [diff] [blame] | 2489 | Vals.push_back(VE.getValueID(Case.getCaseValue())); |
| 2490 | Vals.push_back(VE.getValueID(Case.getCaseSuccessor())); |
Stepan Dyatkovskiy | 513aaa5 | 2012-02-01 07:49:51 +0000 | [diff] [blame] | 2491 | } |
| 2492 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2493 | break; |
Chris Lattner | d04cb6d | 2009-10-28 00:19:10 +0000 | [diff] [blame] | 2494 | case Instruction::IndirectBr: |
| 2495 | Code = bitc::FUNC_CODE_INST_INDIRECTBR; |
Chris Lattner | 3ed871f | 2009-10-27 19:13:16 +0000 | [diff] [blame] | 2496 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2497 | // Encode the address operand as relative, but not the basic blocks. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2498 | pushValue(I.getOperand(0), InstID, Vals); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2499 | for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) |
Chris Lattner | 3ed871f | 2009-10-27 19:13:16 +0000 | [diff] [blame] | 2500 | Vals.push_back(VE.getValueID(I.getOperand(i))); |
| 2501 | break; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2502 | |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2503 | case Instruction::Invoke: { |
Gabor Greif | 4b79e47 | 2009-01-16 18:40:27 +0000 | [diff] [blame] | 2504 | const InvokeInst *II = cast<InvokeInst>(&I); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2505 | const Value *Callee = II->getCalledValue(); |
| 2506 | FunctionType *FTy = II->getFunctionType(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2507 | |
| 2508 | if (II->hasOperandBundles()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2509 | writeOperandBundles(II, InstID); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2510 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2511 | Code = bitc::FUNC_CODE_INST_INVOKE; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2512 | |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 2513 | Vals.push_back(VE.getAttributeListID(II->getAttributes())); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2514 | Vals.push_back(II->getCallingConv() | 1 << 13); |
Gabor Greif | 6ecd6f4 | 2009-01-07 22:39:29 +0000 | [diff] [blame] | 2515 | Vals.push_back(VE.getValueID(II->getNormalDest())); |
| 2516 | Vals.push_back(VE.getValueID(II->getUnwindDest())); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2517 | Vals.push_back(VE.getTypeID(FTy)); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2518 | pushValueAndType(Callee, InstID, Vals); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2519 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2520 | // Emit value #'s for the fixed parameters. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2521 | for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2522 | pushValue(I.getOperand(i), InstID, Vals); // fixed param. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2523 | |
| 2524 | // Emit type/value pairs for varargs params. |
| 2525 | if (FTy->isVarArg()) { |
Mehdi Amini | 7cf6382 | 2016-09-19 21:27:04 +0000 | [diff] [blame] | 2526 | for (unsigned i = FTy->getNumParams(), e = II->getNumArgOperands(); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2527 | i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2528 | pushValueAndType(I.getOperand(i), InstID, Vals); // vararg |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2529 | } |
| 2530 | break; |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2531 | } |
Bill Wendling | f891bf8 | 2011-07-31 06:30:59 +0000 | [diff] [blame] | 2532 | case Instruction::Resume: |
| 2533 | Code = bitc::FUNC_CODE_INST_RESUME; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2534 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Bill Wendling | f891bf8 | 2011-07-31 06:30:59 +0000 | [diff] [blame] | 2535 | break; |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2536 | case Instruction::CleanupRet: { |
| 2537 | Code = bitc::FUNC_CODE_INST_CLEANUPRET; |
| 2538 | const auto &CRI = cast<CleanupReturnInst>(I); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2539 | pushValue(CRI.getCleanupPad(), InstID, Vals); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2540 | if (CRI.hasUnwindDest()) |
| 2541 | Vals.push_back(VE.getValueID(CRI.getUnwindDest())); |
| 2542 | break; |
| 2543 | } |
| 2544 | case Instruction::CatchRet: { |
| 2545 | Code = bitc::FUNC_CODE_INST_CATCHRET; |
| 2546 | const auto &CRI = cast<CatchReturnInst>(I); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2547 | pushValue(CRI.getCatchPad(), InstID, Vals); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2548 | Vals.push_back(VE.getValueID(CRI.getSuccessor())); |
| 2549 | break; |
| 2550 | } |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2551 | case Instruction::CleanupPad: |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2552 | case Instruction::CatchPad: { |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2553 | const auto &FuncletPad = cast<FuncletPadInst>(I); |
| 2554 | Code = isa<CatchPadInst>(FuncletPad) ? bitc::FUNC_CODE_INST_CATCHPAD |
| 2555 | : bitc::FUNC_CODE_INST_CLEANUPPAD; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2556 | pushValue(FuncletPad.getParentPad(), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2557 | |
| 2558 | unsigned NumArgOperands = FuncletPad.getNumArgOperands(); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2559 | Vals.push_back(NumArgOperands); |
| 2560 | for (unsigned Op = 0; Op != NumArgOperands; ++Op) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2561 | pushValueAndType(FuncletPad.getArgOperand(Op), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2562 | break; |
| 2563 | } |
| 2564 | case Instruction::CatchSwitch: { |
| 2565 | Code = bitc::FUNC_CODE_INST_CATCHSWITCH; |
| 2566 | const auto &CatchSwitch = cast<CatchSwitchInst>(I); |
| 2567 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2568 | pushValue(CatchSwitch.getParentPad(), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2569 | |
| 2570 | unsigned NumHandlers = CatchSwitch.getNumHandlers(); |
| 2571 | Vals.push_back(NumHandlers); |
| 2572 | for (const BasicBlock *CatchPadBB : CatchSwitch.handlers()) |
| 2573 | Vals.push_back(VE.getValueID(CatchPadBB)); |
| 2574 | |
| 2575 | if (CatchSwitch.hasUnwindDest()) |
| 2576 | Vals.push_back(VE.getValueID(CatchSwitch.getUnwindDest())); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2577 | break; |
| 2578 | } |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2579 | case Instruction::Unreachable: |
| 2580 | Code = bitc::FUNC_CODE_INST_UNREACHABLE; |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2581 | AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2582 | break; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2583 | |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2584 | case Instruction::PHI: { |
| 2585 | const PHINode &PN = cast<PHINode>(I); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2586 | Code = bitc::FUNC_CODE_INST_PHI; |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2587 | // With the newer instruction encoding, forward references could give |
| 2588 | // negative valued IDs. This is most common for PHIs, so we use |
| 2589 | // signed VBRs. |
| 2590 | SmallVector<uint64_t, 128> Vals64; |
| 2591 | Vals64.push_back(VE.getTypeID(PN.getType())); |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2592 | for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2593 | pushValueSigned(PN.getIncomingValue(i), InstID, Vals64); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2594 | Vals64.push_back(VE.getValueID(PN.getIncomingBlock(i))); |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2595 | } |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2596 | // Emit a Vals64 vector and exit. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2597 | Stream.EmitRecord(Code, Vals64, AbbrevToUse); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2598 | Vals64.clear(); |
| 2599 | return; |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2600 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2601 | |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2602 | case Instruction::LandingPad: { |
| 2603 | const LandingPadInst &LP = cast<LandingPadInst>(I); |
| 2604 | Code = bitc::FUNC_CODE_INST_LANDINGPAD; |
| 2605 | Vals.push_back(VE.getTypeID(LP.getType())); |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2606 | Vals.push_back(LP.isCleanup()); |
| 2607 | Vals.push_back(LP.getNumClauses()); |
| 2608 | for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { |
| 2609 | if (LP.isCatch(I)) |
| 2610 | Vals.push_back(LandingPadInst::Catch); |
| 2611 | else |
| 2612 | Vals.push_back(LandingPadInst::Filter); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2613 | pushValueAndType(LP.getClause(I), InstID, Vals); |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2614 | } |
| 2615 | break; |
| 2616 | } |
| 2617 | |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2618 | case Instruction::Alloca: { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2619 | Code = bitc::FUNC_CODE_INST_ALLOCA; |
David Blaikie | bdb4910 | 2015-04-28 16:51:01 +0000 | [diff] [blame] | 2620 | const AllocaInst &AI = cast<AllocaInst>(I); |
| 2621 | Vals.push_back(VE.getTypeID(AI.getAllocatedType())); |
Dan Gohman | 9da5bb0 | 2010-05-28 01:38:28 +0000 | [diff] [blame] | 2622 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2623 | Vals.push_back(VE.getValueID(I.getOperand(0))); // size. |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2624 | unsigned AlignRecord = Log2_32(AI.getAlignment()) + 1; |
| 2625 | assert(Log2_32(Value::MaximumAlignment) + 1 < 1 << 5 && |
| 2626 | "not enough bits for maximum alignment"); |
| 2627 | assert(AlignRecord < 1 << 5 && "alignment greater than 1 << 64"); |
| 2628 | AlignRecord |= AI.isUsedWithInAlloca() << 5; |
David Blaikie | bdb4910 | 2015-04-28 16:51:01 +0000 | [diff] [blame] | 2629 | AlignRecord |= 1 << 6; |
Manman Ren | 9bfd0d0 | 2016-04-01 21:41:15 +0000 | [diff] [blame] | 2630 | AlignRecord |= AI.isSwiftError() << 7; |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2631 | Vals.push_back(AlignRecord); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2632 | break; |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2633 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2634 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2635 | case Instruction::Load: |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2636 | if (cast<LoadInst>(I).isAtomic()) { |
| 2637 | Code = bitc::FUNC_CODE_INST_LOADATOMIC; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2638 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2639 | } else { |
| 2640 | Code = bitc::FUNC_CODE_INST_LOAD; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2641 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) // ptr |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2642 | AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; |
| 2643 | } |
David Blaikie | 8503565 | 2015-02-25 01:07:20 +0000 | [diff] [blame] | 2644 | Vals.push_back(VE.getTypeID(I.getType())); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2645 | Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); |
| 2646 | Vals.push_back(cast<LoadInst>(I).isVolatile()); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2647 | if (cast<LoadInst>(I).isAtomic()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2648 | Vals.push_back(getEncodedOrdering(cast<LoadInst>(I).getOrdering())); |
| 2649 | Vals.push_back(getEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2650 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2651 | break; |
| 2652 | case Instruction::Store: |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2653 | if (cast<StoreInst>(I).isAtomic()) |
| 2654 | Code = bitc::FUNC_CODE_INST_STOREATOMIC; |
| 2655 | else |
| 2656 | Code = bitc::FUNC_CODE_INST_STORE; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2657 | pushValueAndType(I.getOperand(1), InstID, Vals); // ptrty + ptr |
| 2658 | pushValueAndType(I.getOperand(0), InstID, Vals); // valty + val |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2659 | Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); |
| 2660 | Vals.push_back(cast<StoreInst>(I).isVolatile()); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2661 | if (cast<StoreInst>(I).isAtomic()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2662 | Vals.push_back(getEncodedOrdering(cast<StoreInst>(I).getOrdering())); |
| 2663 | Vals.push_back(getEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2664 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2665 | break; |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2666 | case Instruction::AtomicCmpXchg: |
| 2667 | Code = bitc::FUNC_CODE_INST_CMPXCHG; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2668 | pushValueAndType(I.getOperand(0), InstID, Vals); // ptrty + ptr |
| 2669 | pushValueAndType(I.getOperand(1), InstID, Vals); // cmp. |
| 2670 | pushValue(I.getOperand(2), InstID, Vals); // newval. |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2671 | Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2672 | Vals.push_back( |
| 2673 | getEncodedOrdering(cast<AtomicCmpXchgInst>(I).getSuccessOrdering())); |
| 2674 | Vals.push_back( |
| 2675 | getEncodedSynchScope(cast<AtomicCmpXchgInst>(I).getSynchScope())); |
| 2676 | Vals.push_back( |
| 2677 | getEncodedOrdering(cast<AtomicCmpXchgInst>(I).getFailureOrdering())); |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 2678 | Vals.push_back(cast<AtomicCmpXchgInst>(I).isWeak()); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2679 | break; |
| 2680 | case Instruction::AtomicRMW: |
| 2681 | Code = bitc::FUNC_CODE_INST_ATOMICRMW; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2682 | pushValueAndType(I.getOperand(0), InstID, Vals); // ptrty + ptr |
| 2683 | pushValue(I.getOperand(1), InstID, Vals); // val. |
| 2684 | Vals.push_back( |
| 2685 | getEncodedRMWOperation(cast<AtomicRMWInst>(I).getOperation())); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2686 | Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2687 | Vals.push_back(getEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); |
| 2688 | Vals.push_back( |
| 2689 | getEncodedSynchScope(cast<AtomicRMWInst>(I).getSynchScope())); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2690 | break; |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 2691 | case Instruction::Fence: |
| 2692 | Code = bitc::FUNC_CODE_INST_FENCE; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2693 | Vals.push_back(getEncodedOrdering(cast<FenceInst>(I).getOrdering())); |
| 2694 | Vals.push_back(getEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 2695 | break; |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2696 | case Instruction::Call: { |
Gabor Greif | e9afee2 | 2010-06-26 09:35:09 +0000 | [diff] [blame] | 2697 | const CallInst &CI = cast<CallInst>(I); |
David Blaikie | dbe6e0f | 2015-04-17 06:40:14 +0000 | [diff] [blame] | 2698 | FunctionType *FTy = CI.getFunctionType(); |
Chris Lattner | 4c0a6d6 | 2007-05-08 05:38:01 +0000 | [diff] [blame] | 2699 | |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2700 | if (CI.hasOperandBundles()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2701 | writeOperandBundles(&CI, InstID); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2702 | |
Chris Lattner | c4407080 | 2011-06-17 18:17:37 +0000 | [diff] [blame] | 2703 | Code = bitc::FUNC_CODE_INST_CALL; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2704 | |
Reid Kleckner | b4a2d18 | 2017-04-24 20:38:30 +0000 | [diff] [blame] | 2705 | Vals.push_back(VE.getAttributeListID(CI.getAttributes())); |
Sanjay Patel | fa54ace | 2015-12-14 21:59:03 +0000 | [diff] [blame] | 2706 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2707 | unsigned Flags = getOptimizationFlags(&I); |
Akira Hatanaka | 97cb397 | 2015-11-07 02:48:49 +0000 | [diff] [blame] | 2708 | Vals.push_back(CI.getCallingConv() << bitc::CALL_CCONV | |
| 2709 | unsigned(CI.isTailCall()) << bitc::CALL_TAIL | |
| 2710 | unsigned(CI.isMustTailCall()) << bitc::CALL_MUSTTAIL | |
| 2711 | 1 << bitc::CALL_EXPLICIT_TYPE | |
Sanjay Patel | fa54ace | 2015-12-14 21:59:03 +0000 | [diff] [blame] | 2712 | unsigned(CI.isNoTailCall()) << bitc::CALL_NOTAIL | |
| 2713 | unsigned(Flags != 0) << bitc::CALL_FMF); |
| 2714 | if (Flags != 0) |
| 2715 | Vals.push_back(Flags); |
| 2716 | |
David Blaikie | dbe6e0f | 2015-04-17 06:40:14 +0000 | [diff] [blame] | 2717 | Vals.push_back(VE.getTypeID(FTy)); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2718 | pushValueAndType(CI.getCalledValue(), InstID, Vals); // Callee |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2719 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2720 | // Emit value #'s for the fixed parameters. |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2721 | for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) { |
| 2722 | // Check for labels (can happen with asm labels). |
| 2723 | if (FTy->getParamType(i)->isLabelTy()) |
| 2724 | Vals.push_back(VE.getValueID(CI.getArgOperand(i))); |
| 2725 | else |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2726 | pushValue(CI.getArgOperand(i), InstID, Vals); // fixed param. |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2727 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2728 | |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2729 | // Emit type/value pairs for varargs params. |
| 2730 | if (FTy->isVarArg()) { |
Gabor Greif | e9afee2 | 2010-06-26 09:35:09 +0000 | [diff] [blame] | 2731 | for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2732 | i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2733 | pushValueAndType(CI.getArgOperand(i), InstID, Vals); // varargs |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2734 | } |
| 2735 | break; |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2736 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2737 | case Instruction::VAArg: |
| 2738 | Code = bitc::FUNC_CODE_INST_VAARG; |
| 2739 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2740 | pushValue(I.getOperand(0), InstID, Vals); // valist. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2741 | Vals.push_back(VE.getTypeID(I.getType())); // restype. |
| 2742 | break; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2743 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2744 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2745 | Stream.EmitRecord(Code, Vals, AbbrevToUse); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2746 | Vals.clear(); |
| 2747 | } |
| 2748 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2749 | /// Write a GlobalValue VST to the module. The purpose of this data structure is |
| 2750 | /// to allow clients to efficiently find the function body. |
| 2751 | void ModuleBitcodeWriter::writeGlobalValueSymbolTable( |
| 2752 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex) { |
| 2753 | // Get the offset of the VST we are writing, and backpatch it into |
| 2754 | // the VST forward declaration record. |
| 2755 | uint64_t VSTOffset = Stream.GetCurrentBitNo(); |
| 2756 | // The BitcodeStartBit was the stream offset of the identification block. |
| 2757 | VSTOffset -= bitcodeStartBit(); |
| 2758 | assert((VSTOffset & 31) == 0 && "VST block not 32-bit aligned"); |
| 2759 | // Note that we add 1 here because the offset is relative to one word |
| 2760 | // before the start of the identification block, which was historically |
| 2761 | // always the start of the regular bitcode header. |
| 2762 | Stream.BackpatchWord(VSTOffsetPlaceholder, VSTOffset / 32 + 1); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2763 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2764 | Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 2765 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2766 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
| 2767 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_FNENTRY)); |
| 2768 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 2769 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // funcoffset |
| 2770 | unsigned FnEntryAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2771 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2772 | for (const Function &F : M) { |
| 2773 | uint64_t Record[2]; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2774 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2775 | if (F.isDeclaration()) |
| 2776 | continue; |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 2777 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2778 | Record[0] = VE.getValueID(&F); |
| 2779 | |
| 2780 | // Save the word offset of the function (from the start of the |
| 2781 | // actual bitcode written to the stream). |
| 2782 | uint64_t BitcodeIndex = FunctionToBitcodeIndex[&F] - bitcodeStartBit(); |
| 2783 | assert((BitcodeIndex & 31) == 0 && "function block not 32-bit aligned"); |
| 2784 | // Note that we add 1 here because the offset is relative to one word |
| 2785 | // before the start of the identification block, which was historically |
| 2786 | // always the start of the regular bitcode header. |
| 2787 | Record[1] = BitcodeIndex / 32 + 1; |
| 2788 | |
| 2789 | Stream.EmitRecord(bitc::VST_CODE_FNENTRY, Record, FnEntryAbbrev); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2790 | } |
| 2791 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2792 | Stream.ExitBlock(); |
| 2793 | } |
| 2794 | |
| 2795 | /// Emit names for arguments, instructions and basic blocks in a function. |
| 2796 | void ModuleBitcodeWriter::writeFunctionLevelValueSymbolTable( |
| 2797 | const ValueSymbolTable &VST) { |
| 2798 | if (VST.empty()) |
| 2799 | return; |
| 2800 | |
| 2801 | Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); |
| 2802 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2803 | // FIXME: Set up the abbrev, we know how many values there are! |
| 2804 | // FIXME: We know if the type names can use 7-bit ascii. |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 2805 | SmallVector<uint64_t, 64> NameVals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2806 | |
Yaron Keren | 001e2e4 | 2015-08-10 07:04:29 +0000 | [diff] [blame] | 2807 | for (const ValueName &Name : VST) { |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 2808 | // Figure out the encoding to use for the name. |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 2809 | StringEncoding Bits = getStringEncoding(Name.getKey()); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2810 | |
Chris Lattner | a098796 | 2007-05-04 21:31:13 +0000 | [diff] [blame] | 2811 | unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2812 | NameVals.push_back(VE.getValueID(Name.getValue())); |
| 2813 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2814 | // VST_CODE_ENTRY: [valueid, namechar x N] |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2815 | // VST_CODE_BBENTRY: [bbid, namechar x N] |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2816 | unsigned Code; |
Yaron Keren | 001e2e4 | 2015-08-10 07:04:29 +0000 | [diff] [blame] | 2817 | if (isa<BasicBlock>(Name.getValue())) { |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2818 | Code = bitc::VST_CODE_BBENTRY; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2819 | if (Bits == SE_Char6) |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2820 | AbbrevToUse = VST_BBENTRY_6_ABBREV; |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2821 | } else { |
| 2822 | Code = bitc::VST_CODE_ENTRY; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2823 | if (Bits == SE_Char6) |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2824 | AbbrevToUse = VST_ENTRY_6_ABBREV; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2825 | else if (Bits == SE_Fixed7) |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2826 | AbbrevToUse = VST_ENTRY_7_ABBREV; |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2827 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2828 | |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2829 | for (const auto P : Name.getKey()) |
| 2830 | NameVals.push_back((unsigned char)P); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2831 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2832 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2833 | Stream.EmitRecord(Code, NameVals, AbbrevToUse); |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2834 | NameVals.clear(); |
| 2835 | } |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2836 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2837 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2838 | } |
| 2839 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2840 | void ModuleBitcodeWriter::writeUseList(UseListOrder &&Order) { |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2841 | assert(Order.Shuffle.size() >= 2 && "Shuffle too small"); |
| 2842 | unsigned Code; |
| 2843 | if (isa<BasicBlock>(Order.V)) |
| 2844 | Code = bitc::USELIST_CODE_BB; |
| 2845 | else |
| 2846 | Code = bitc::USELIST_CODE_DEFAULT; |
| 2847 | |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2848 | SmallVector<uint64_t, 64> Record(Order.Shuffle.begin(), Order.Shuffle.end()); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2849 | Record.push_back(VE.getValueID(Order.V)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2850 | Stream.EmitRecord(Code, Record); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2851 | } |
| 2852 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2853 | void ModuleBitcodeWriter::writeUseListBlock(const Function *F) { |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 2854 | assert(VE.shouldPreserveUseListOrder() && |
| 2855 | "Expected to be preserving use-list order"); |
| 2856 | |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2857 | auto hasMore = [&]() { |
| 2858 | return !VE.UseListOrders.empty() && VE.UseListOrders.back().F == F; |
| 2859 | }; |
| 2860 | if (!hasMore()) |
| 2861 | // Nothing to do. |
| 2862 | return; |
| 2863 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2864 | Stream.EnterSubblock(bitc::USELIST_BLOCK_ID, 3); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2865 | while (hasMore()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2866 | writeUseList(std::move(VE.UseListOrders.back())); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2867 | VE.UseListOrders.pop_back(); |
| 2868 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2869 | Stream.ExitBlock(); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2870 | } |
| 2871 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2872 | /// Emit a function body to the module stream. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2873 | void ModuleBitcodeWriter::writeFunction( |
| 2874 | const Function &F, |
| 2875 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex) { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2876 | // Save the bitcode index of the start of this function block for recording |
| 2877 | // in the VST. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2878 | FunctionToBitcodeIndex[&F] = Stream.GetCurrentBitNo(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2879 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2880 | Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); |
Chad Rosier | 6a11b64 | 2011-06-03 17:02:19 +0000 | [diff] [blame] | 2881 | VE.incorporateFunction(F); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2882 | |
| 2883 | SmallVector<unsigned, 64> Vals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2884 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2885 | // Emit the number of basic blocks, so the reader can create them ahead of |
| 2886 | // time. |
| 2887 | Vals.push_back(VE.getBasicBlocks().size()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2888 | Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2889 | Vals.clear(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2890 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2891 | // If there are function-local constants, emit them now. |
| 2892 | unsigned CstStart, CstEnd; |
| 2893 | VE.getFunctionConstantRange(CstStart, CstEnd); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2894 | writeConstants(CstStart, CstEnd, false); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2895 | |
Victor Hernandez | 6c730de | 2010-01-14 01:50:08 +0000 | [diff] [blame] | 2896 | // If there is function-local metadata, emit it now. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2897 | writeFunctionMetadata(F); |
Victor Hernandez | 6c730de | 2010-01-14 01:50:08 +0000 | [diff] [blame] | 2898 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2899 | // Keep a running idea of what the instruction ID is. |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2900 | unsigned InstID = CstEnd; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2901 | |
Duncan P. N. Exon Smith | 3d4cd75 | 2015-04-24 22:04:41 +0000 | [diff] [blame] | 2902 | bool NeedsMetadataAttachment = F.hasMetadata(); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2903 | |
Duncan P. N. Exon Smith | a9308c4 | 2015-04-29 16:38:44 +0000 | [diff] [blame] | 2904 | DILocation *LastDL = nullptr; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2905 | // Finally, emit all the instructions, in order. |
Nick Lewycky | 4d43d3c | 2008-04-25 16:53:59 +0000 | [diff] [blame] | 2906 | for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2907 | for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); |
| 2908 | I != E; ++I) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2909 | writeInstruction(*I, InstID, Vals); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2910 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 2911 | if (!I->getType()->isVoidTy()) |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2912 | ++InstID; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2913 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2914 | // If the instruction has metadata, write a metadata attachment later. |
| 2915 | NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2916 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2917 | // If the instruction has a debug location, emit it. |
Duncan P. N. Exon Smith | a9308c4 | 2015-04-29 16:38:44 +0000 | [diff] [blame] | 2918 | DILocation *DL = I->getDebugLoc(); |
Duncan P. N. Exon Smith | ab659fb3 | 2015-03-30 19:40:05 +0000 | [diff] [blame] | 2919 | if (!DL) |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2920 | continue; |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2921 | |
| 2922 | if (DL == LastDL) { |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2923 | // Just repeat the same debug loc as last time. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2924 | Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2925 | continue; |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2926 | } |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2927 | |
Duncan P. N. Exon Smith | ab659fb3 | 2015-03-30 19:40:05 +0000 | [diff] [blame] | 2928 | Vals.push_back(DL->getLine()); |
| 2929 | Vals.push_back(DL->getColumn()); |
| 2930 | Vals.push_back(VE.getMetadataOrNullID(DL->getScope())); |
| 2931 | Vals.push_back(VE.getMetadataOrNullID(DL->getInlinedAt())); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2932 | Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2933 | Vals.clear(); |
Duncan P. N. Exon Smith | 538ef56 | 2015-05-06 22:51:12 +0000 | [diff] [blame] | 2934 | |
| 2935 | LastDL = DL; |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2936 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2937 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2938 | // Emit names for all the instructions etc. |
Mehdi Amini | a53d49e | 2016-09-17 06:00:02 +0000 | [diff] [blame] | 2939 | if (auto *Symtab = F.getValueSymbolTable()) |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 2940 | writeFunctionLevelValueSymbolTable(*Symtab); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 2941 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2942 | if (NeedsMetadataAttachment) |
Peter Collingbourne | cceae7f | 2016-05-31 23:01:54 +0000 | [diff] [blame] | 2943 | writeFunctionMetadataAttachment(F); |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 2944 | if (VE.shouldPreserveUseListOrder()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2945 | writeUseListBlock(&F); |
Chad Rosier | 6a11b64 | 2011-06-03 17:02:19 +0000 | [diff] [blame] | 2946 | VE.purgeFunction(); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2947 | Stream.ExitBlock(); |
Chris Lattner | 831d420 | 2007-04-26 03:27:58 +0000 | [diff] [blame] | 2948 | } |
| 2949 | |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 2950 | // Emit blockinfo, which defines the standard abbreviations etc. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2951 | void ModuleBitcodeWriter::writeBlockInfo() { |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 2952 | // We only want to emit block info records for blocks that have multiple |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2953 | // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. |
Jan Wen Voung | 8c9e941 | 2012-10-11 21:45:16 +0000 | [diff] [blame] | 2954 | // Other blocks can define their abbrevs inline. |
Peter Collingbourne | d3a6c70 | 2016-11-01 01:18:57 +0000 | [diff] [blame] | 2955 | Stream.EnterBlockInfoBlock(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2956 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2957 | { // 8-bit fixed-width VST_CODE_ENTRY/VST_CODE_BBENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2958 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2959 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); |
| 2960 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2961 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2962 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2963 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2964 | VST_ENTRY_8_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2965 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2966 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2967 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2968 | { // 7-bit fixed width VST_CODE_ENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2969 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2970 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); |
| 2971 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2972 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2973 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2974 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2975 | VST_ENTRY_7_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2976 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2977 | } |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2978 | { // 6-bit char6 VST_CODE_ENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2979 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2980 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); |
| 2981 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2982 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2983 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2984 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2985 | VST_ENTRY_6_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2986 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2987 | } |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2988 | { // 6-bit char6 VST_CODE_BBENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 2989 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2990 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); |
| 2991 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2992 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2993 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 2994 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2995 | VST_BBENTRY_6_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2996 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2997 | } |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2998 | |
| 2999 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3000 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3001 | { // SETTYPE abbrev for CONSTANTS_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3002 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3003 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); |
| 3004 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 3005 | VE.computeBitsRequiredForTypeIndicies())); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3006 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3007 | CONSTANTS_SETTYPE_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3008 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3009 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3010 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3011 | { // INTEGER abbrev for CONSTANTS_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3012 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3013 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); |
| 3014 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3015 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3016 | CONSTANTS_INTEGER_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3017 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3018 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3019 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3020 | { // CE_CAST abbrev for CONSTANTS_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3021 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3022 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); |
| 3023 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc |
| 3024 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 3025 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3026 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 3027 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3028 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3029 | CONSTANTS_CE_CAST_Abbrev) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3030 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3031 | } |
| 3032 | { // NULL abbrev for CONSTANTS_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3033 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3034 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3035 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3036 | CONSTANTS_NULL_Abbrev) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3037 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3038 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3039 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3040 | // FIXME: This should only use space for first class types! |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3041 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3042 | { // INST_LOAD abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3043 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3044 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3045 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr |
David Blaikie | 8503565 | 2015-02-25 01:07:20 +0000 | [diff] [blame] | 3046 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
| 3047 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3048 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align |
| 3049 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3050 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3051 | FUNCTION_INST_LOAD_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3052 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 3053 | } |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3054 | { // INST_BINOP abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3055 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3056 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); |
| 3057 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS |
| 3058 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS |
| 3059 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3060 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3061 | FUNCTION_INST_BINOP_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3062 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3063 | } |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 3064 | { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3065 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 3066 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); |
| 3067 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS |
| 3068 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS |
| 3069 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
| 3070 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3071 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3072 | FUNCTION_INST_BINOP_FLAGS_ABBREV) |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 3073 | llvm_unreachable("Unexpected abbrev ordering!"); |
| 3074 | } |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3075 | { // INST_CAST abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3076 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3077 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); |
| 3078 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal |
| 3079 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 3080 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3081 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3082 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3083 | FUNCTION_INST_CAST_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3084 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 3085 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3086 | |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3087 | { // INST_RET abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3088 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3089 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3090 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3091 | FUNCTION_INST_RET_VOID_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3092 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3093 | } |
| 3094 | { // INST_RET abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3095 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3096 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); |
| 3097 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3098 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3099 | FUNCTION_INST_RET_VAL_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3100 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3101 | } |
| 3102 | { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3103 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3104 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3105 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3106 | FUNCTION_INST_UNREACHABLE_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 3107 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 3108 | } |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 3109 | { |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3110 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 3111 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_GEP)); |
| 3112 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 3113 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
| 3114 | Log2_32_Ceil(VE.getTypes().size() + 1))); |
| 3115 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3116 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3117 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 3118 | FUNCTION_INST_GEP_ABBREV) |
| 3119 | llvm_unreachable("Unexpected abbrev ordering!"); |
| 3120 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3121 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3122 | Stream.ExitBlock(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3123 | } |
| 3124 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3125 | /// Write the module path strings, currently only used when generating |
| 3126 | /// a combined index file. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3127 | void IndexBitcodeWriter::writeModStrings() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3128 | Stream.EnterSubblock(bitc::MODULE_STRTAB_BLOCK_ID, 3); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3129 | |
| 3130 | // TODO: See which abbrev sizes we actually need to emit |
| 3131 | |
| 3132 | // 8-bit fixed-width MST_ENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3133 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3134 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 3135 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 3136 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3137 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3138 | unsigned Abbrev8Bit = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3139 | |
| 3140 | // 7-bit fixed width MST_ENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3141 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3142 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 3143 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 3144 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3145 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3146 | unsigned Abbrev7Bit = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3147 | |
| 3148 | // 6-bit char6 MST_ENTRY strings. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3149 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3150 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 3151 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 3152 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3153 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3154 | unsigned Abbrev6Bit = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3155 | |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3156 | // Module Hash, 160 bits SHA1. Optionally, emitted after each MST_CODE_ENTRY. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3157 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3158 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_HASH)); |
| 3159 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 3160 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 3161 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 3162 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 3163 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3164 | unsigned AbbrevHash = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3165 | |
| 3166 | SmallVector<unsigned, 64> Vals; |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3167 | forEachModule( |
| 3168 | [&](const StringMapEntry<std::pair<uint64_t, ModuleHash>> &MPSE) { |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 3169 | StringRef Key = MPSE.getKey(); |
| 3170 | const auto &Value = MPSE.getValue(); |
| 3171 | StringEncoding Bits = getStringEncoding(Key); |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3172 | unsigned AbbrevToUse = Abbrev8Bit; |
| 3173 | if (Bits == SE_Char6) |
| 3174 | AbbrevToUse = Abbrev6Bit; |
| 3175 | else if (Bits == SE_Fixed7) |
| 3176 | AbbrevToUse = Abbrev7Bit; |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3177 | |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 3178 | Vals.push_back(Value.first); |
| 3179 | Vals.append(Key.begin(), Key.end()); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3180 | |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3181 | // Emit the finished record. |
| 3182 | Stream.EmitRecord(bitc::MST_CODE_ENTRY, Vals, AbbrevToUse); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3183 | |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3184 | // Emit an optional hash for the module now |
David Blaikie | b6b42e0 | 2017-06-02 17:24:26 +0000 | [diff] [blame] | 3185 | const auto &Hash = Value.second; |
| 3186 | if (llvm::any_of(Hash, [](uint32_t H) { return H; })) { |
| 3187 | Vals.assign(Hash.begin(), Hash.end()); |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3188 | // Emit the hash record. |
| 3189 | Stream.EmitRecord(bitc::MST_CODE_HASH, Vals, AbbrevHash); |
| 3190 | } |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3191 | |
Teresa Johnson | 7a27b13 | 2017-06-02 01:56:02 +0000 | [diff] [blame] | 3192 | Vals.clear(); |
| 3193 | }); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3194 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3195 | } |
| 3196 | |
Peter Collingbourne | be9ffaa | 2017-02-10 22:29:38 +0000 | [diff] [blame] | 3197 | /// Write the function type metadata related records that need to appear before |
| 3198 | /// a function summary entry (whether per-module or combined). |
| 3199 | static void writeFunctionTypeMetadataRecords(BitstreamWriter &Stream, |
| 3200 | FunctionSummary *FS) { |
| 3201 | if (!FS->type_tests().empty()) |
| 3202 | Stream.EmitRecord(bitc::FS_TYPE_TESTS, FS->type_tests()); |
| 3203 | |
| 3204 | SmallVector<uint64_t, 64> Record; |
| 3205 | |
| 3206 | auto WriteVFuncIdVec = [&](uint64_t Ty, |
| 3207 | ArrayRef<FunctionSummary::VFuncId> VFs) { |
| 3208 | if (VFs.empty()) |
| 3209 | return; |
| 3210 | Record.clear(); |
| 3211 | for (auto &VF : VFs) { |
| 3212 | Record.push_back(VF.GUID); |
| 3213 | Record.push_back(VF.Offset); |
| 3214 | } |
| 3215 | Stream.EmitRecord(Ty, Record); |
| 3216 | }; |
| 3217 | |
| 3218 | WriteVFuncIdVec(bitc::FS_TYPE_TEST_ASSUME_VCALLS, |
| 3219 | FS->type_test_assume_vcalls()); |
| 3220 | WriteVFuncIdVec(bitc::FS_TYPE_CHECKED_LOAD_VCALLS, |
| 3221 | FS->type_checked_load_vcalls()); |
| 3222 | |
| 3223 | auto WriteConstVCallVec = [&](uint64_t Ty, |
| 3224 | ArrayRef<FunctionSummary::ConstVCall> VCs) { |
| 3225 | for (auto &VC : VCs) { |
| 3226 | Record.clear(); |
| 3227 | Record.push_back(VC.VFunc.GUID); |
| 3228 | Record.push_back(VC.VFunc.Offset); |
| 3229 | Record.insert(Record.end(), VC.Args.begin(), VC.Args.end()); |
| 3230 | Stream.EmitRecord(Ty, Record); |
| 3231 | } |
| 3232 | }; |
| 3233 | |
| 3234 | WriteConstVCallVec(bitc::FS_TYPE_TEST_ASSUME_CONST_VCALL, |
| 3235 | FS->type_test_assume_const_vcalls()); |
| 3236 | WriteConstVCallVec(bitc::FS_TYPE_CHECKED_LOAD_CONST_VCALL, |
| 3237 | FS->type_checked_load_const_vcalls()); |
| 3238 | } |
| 3239 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3240 | // Helper to emit a single function summary record. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3241 | void ModuleBitcodeWriter::writePerModuleFunctionSummaryRecord( |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 3242 | SmallVector<uint64_t, 64> &NameVals, GlobalValueSummary *Summary, |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3243 | unsigned ValueID, unsigned FSCallsAbbrev, unsigned FSCallsProfileAbbrev, |
| 3244 | const Function &F) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3245 | NameVals.push_back(ValueID); |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3246 | |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 3247 | FunctionSummary *FS = cast<FunctionSummary>(Summary); |
Peter Collingbourne | be9ffaa | 2017-02-10 22:29:38 +0000 | [diff] [blame] | 3248 | writeFunctionTypeMetadataRecords(Stream, FS); |
Peter Collingbourne | 1b4137a7 | 2016-12-21 23:03:45 +0000 | [diff] [blame] | 3249 | |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3250 | NameVals.push_back(getEncodedGVSummaryFlags(FS->flags())); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3251 | NameVals.push_back(FS->instCount()); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3252 | NameVals.push_back(FS->refs().size()); |
| 3253 | |
| 3254 | for (auto &RI : FS->refs()) |
Mehdi Amini | fdbb8f4 | 2016-05-16 22:47:15 +0000 | [diff] [blame] | 3255 | NameVals.push_back(VE.getValueID(RI.getValue())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3256 | |
| 3257 | bool HasProfileData = F.getEntryCount().hasValue(); |
Peter Collingbourne | 0c30f08 | 2016-12-20 21:12:28 +0000 | [diff] [blame] | 3258 | for (auto &ECI : FS->calls()) { |
Teresa Johnson | cd21a64 | 2016-07-17 14:47:01 +0000 | [diff] [blame] | 3259 | NameVals.push_back(getValueId(ECI.first)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3260 | if (HasProfileData) |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3261 | NameVals.push_back(static_cast<uint8_t>(ECI.second.Hotness)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3262 | } |
| 3263 | |
| 3264 | unsigned FSAbbrev = (HasProfileData ? FSCallsProfileAbbrev : FSCallsAbbrev); |
| 3265 | unsigned Code = |
| 3266 | (HasProfileData ? bitc::FS_PERMODULE_PROFILE : bitc::FS_PERMODULE); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3267 | |
| 3268 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3269 | Stream.EmitRecord(Code, NameVals, FSAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3270 | NameVals.clear(); |
| 3271 | } |
| 3272 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3273 | // Collect the global value references in the given variable's initializer, |
| 3274 | // and emit them in a summary record. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3275 | void ModuleBitcodeWriter::writeModuleLevelReferences( |
| 3276 | const GlobalVariable &V, SmallVector<uint64_t, 64> &NameVals, |
| 3277 | unsigned FSModRefsAbbrev) { |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 3278 | auto VI = Index->getValueInfo(GlobalValue::getGUID(V.getName())); |
| 3279 | if (!VI || VI.getSummaryList().empty()) { |
Teresa Johnson | 3624bdf | 2016-11-14 17:12:32 +0000 | [diff] [blame] | 3280 | // Only declarations should not have a summary (a declaration might however |
| 3281 | // have a summary if the def was in module level asm). |
| 3282 | assert(V.isDeclaration()); |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3283 | return; |
Teresa Johnson | 3624bdf | 2016-11-14 17:12:32 +0000 | [diff] [blame] | 3284 | } |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 3285 | auto *Summary = VI.getSummaryList()[0].get(); |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3286 | NameVals.push_back(VE.getValueID(&V)); |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 3287 | GlobalVarSummary *VS = cast<GlobalVarSummary>(Summary); |
Teresa Johnson | 7c31cb1 | 2016-10-28 19:36:00 +0000 | [diff] [blame] | 3288 | NameVals.push_back(getEncodedGVSummaryFlags(VS->flags())); |
Mehdi Amini | f606c8d | 2016-05-16 08:50:27 +0000 | [diff] [blame] | 3289 | |
Mehdi Amini | fdbb8f4 | 2016-05-16 22:47:15 +0000 | [diff] [blame] | 3290 | unsigned SizeBeforeRefs = NameVals.size(); |
Mehdi Amini | f606c8d | 2016-05-16 08:50:27 +0000 | [diff] [blame] | 3291 | for (auto &RI : VS->refs()) |
Mehdi Amini | fdbb8f4 | 2016-05-16 22:47:15 +0000 | [diff] [blame] | 3292 | NameVals.push_back(VE.getValueID(RI.getValue())); |
| 3293 | // Sort the refs for determinism output, the vector returned by FS->refs() has |
| 3294 | // been initialized from a DenseSet. |
| 3295 | std::sort(NameVals.begin() + SizeBeforeRefs, NameVals.end()); |
Mehdi Amini | f606c8d | 2016-05-16 08:50:27 +0000 | [diff] [blame] | 3296 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3297 | Stream.EmitRecord(bitc::FS_PERMODULE_GLOBALVAR_INIT_REFS, NameVals, |
| 3298 | FSModRefsAbbrev); |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3299 | NameVals.clear(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3300 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3301 | |
Mehdi Amini | 8fe6936 | 2016-04-24 03:18:11 +0000 | [diff] [blame] | 3302 | // Current version for the summary. |
| 3303 | // This is bumped whenever we introduce changes in the way some record are |
| 3304 | // interpreted, like flags for instance. |
Teresa Johnson | 519465b | 2017-01-05 14:32:16 +0000 | [diff] [blame] | 3305 | static const uint64_t INDEX_VERSION = 3; |
Mehdi Amini | 8fe6936 | 2016-04-24 03:18:11 +0000 | [diff] [blame] | 3306 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3307 | /// Emit the per-module summary section alongside the rest of |
| 3308 | /// the module's bitcode. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3309 | void ModuleBitcodeWriter::writePerModuleGlobalValueSummary() { |
Peter Collingbourne | e357fbd | 2017-06-08 23:01:49 +0000 | [diff] [blame] | 3310 | // By default we compile with ThinLTO if the module has a summary, but the |
| 3311 | // client can request full LTO with a module flag. |
| 3312 | bool IsThinLTO = true; |
| 3313 | if (auto *MD = |
| 3314 | mdconst::extract_or_null<ConstantInt>(M.getModuleFlag("ThinLTO"))) |
| 3315 | IsThinLTO = MD->getZExtValue(); |
| 3316 | Stream.EnterSubblock(IsThinLTO ? bitc::GLOBALVAL_SUMMARY_BLOCK_ID |
| 3317 | : bitc::FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID, |
| 3318 | 4); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3319 | |
Mehdi Amini | 8fe6936 | 2016-04-24 03:18:11 +0000 | [diff] [blame] | 3320 | Stream.EmitRecord(bitc::FS_VERSION, ArrayRef<uint64_t>{INDEX_VERSION}); |
| 3321 | |
Teresa Johnson | 620c140 | 2016-09-20 23:07:17 +0000 | [diff] [blame] | 3322 | if (Index->begin() == Index->end()) { |
| 3323 | Stream.ExitBlock(); |
| 3324 | return; |
| 3325 | } |
| 3326 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3327 | for (const auto &GVI : valueIds()) { |
| 3328 | Stream.EmitRecord(bitc::FS_VALUE_GUID, |
| 3329 | ArrayRef<uint64_t>{GVI.second, GVI.first}); |
| 3330 | } |
| 3331 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3332 | // Abbrev for FS_PERMODULE. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3333 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3334 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE)); |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 3335 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3336 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 3337 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3338 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3339 | // numrefs x valueid, n x (valueid) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3340 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3341 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3342 | unsigned FSCallsAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3343 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3344 | // Abbrev for FS_PERMODULE_PROFILE. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3345 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3346 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE_PROFILE)); |
| 3347 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3348 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3349 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3350 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3351 | // numrefs x valueid, n x (valueid, hotness) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3352 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3353 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3354 | unsigned FSCallsProfileAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3355 | |
| 3356 | // Abbrev for FS_PERMODULE_GLOBALVAR_INIT_REFS. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3357 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3358 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE_GLOBALVAR_INIT_REFS)); |
| 3359 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3360 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3361 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); // valueids |
| 3362 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3363 | unsigned FSModRefsAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3364 | |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3365 | // Abbrev for FS_ALIAS. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3366 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3367 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_ALIAS)); |
| 3368 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3369 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3370 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3371 | unsigned FSAliasAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3372 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3373 | SmallVector<uint64_t, 64> NameVals; |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3374 | // Iterate over the list of functions instead of the Index to |
Teresa Johnson | 2d9da4dc | 2016-02-01 20:16:35 +0000 | [diff] [blame] | 3375 | // ensure the ordering is stable. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3376 | for (const Function &F : M) { |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3377 | // Summary emission does not support anonymous functions, they have to |
| 3378 | // renamed using the anonymous function renaming pass. |
Teresa Johnson | 2d9da4dc | 2016-02-01 20:16:35 +0000 | [diff] [blame] | 3379 | if (!F.hasName()) |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3380 | report_fatal_error("Unexpected anonymous function when writing summary"); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3381 | |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 3382 | ValueInfo VI = Index->getValueInfo(GlobalValue::getGUID(F.getName())); |
| 3383 | if (!VI || VI.getSummaryList().empty()) { |
Teresa Johnson | 3624bdf | 2016-11-14 17:12:32 +0000 | [diff] [blame] | 3384 | // Only declarations should not have a summary (a declaration might |
| 3385 | // however have a summary if the def was in module level asm). |
| 3386 | assert(F.isDeclaration()); |
| 3387 | continue; |
| 3388 | } |
Peter Collingbourne | 9667b91 | 2017-05-04 18:03:25 +0000 | [diff] [blame] | 3389 | auto *Summary = VI.getSummaryList()[0].get(); |
Peter Collingbourne | 832e7fa | 2016-05-06 02:41:23 +0000 | [diff] [blame] | 3390 | writePerModuleFunctionSummaryRecord(NameVals, Summary, VE.getValueID(&F), |
| 3391 | FSCallsAbbrev, FSCallsProfileAbbrev, F); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3392 | } |
| 3393 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3394 | // Capture references from GlobalVariable initializers, which are outside |
| 3395 | // of a function scope. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3396 | for (const GlobalVariable &G : M.globals()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3397 | writeModuleLevelReferences(G, NameVals, FSModRefsAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3398 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3399 | for (const GlobalAlias &A : M.aliases()) { |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3400 | auto *Aliasee = A.getBaseObject(); |
| 3401 | if (!Aliasee->hasName()) |
| 3402 | // Nameless function don't have an entry in the summary, skip it. |
| 3403 | continue; |
| 3404 | auto AliasId = VE.getValueID(&A); |
| 3405 | auto AliaseeId = VE.getValueID(Aliasee); |
| 3406 | NameVals.push_back(AliasId); |
Teresa Johnson | 02563cd | 2016-10-28 02:39:38 +0000 | [diff] [blame] | 3407 | auto *Summary = Index->getGlobalValueSummary(A); |
| 3408 | AliasSummary *AS = cast<AliasSummary>(Summary); |
| 3409 | NameVals.push_back(getEncodedGVSummaryFlags(AS->flags())); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3410 | NameVals.push_back(AliaseeId); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3411 | Stream.EmitRecord(bitc::FS_ALIAS, NameVals, FSAliasAbbrev); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3412 | NameVals.clear(); |
| 3413 | } |
| 3414 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3415 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3416 | } |
| 3417 | |
Teresa Johnson | 26ab577 | 2016-03-15 00:04:37 +0000 | [diff] [blame] | 3418 | /// Emit the combined summary section into the combined index file. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3419 | void IndexBitcodeWriter::writeCombinedGlobalValueSummary() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3420 | Stream.EnterSubblock(bitc::GLOBALVAL_SUMMARY_BLOCK_ID, 3); |
Mehdi Amini | 8fe6936 | 2016-04-24 03:18:11 +0000 | [diff] [blame] | 3421 | Stream.EmitRecord(bitc::FS_VERSION, ArrayRef<uint64_t>{INDEX_VERSION}); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3422 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3423 | for (const auto &GVI : valueIds()) { |
| 3424 | Stream.EmitRecord(bitc::FS_VALUE_GUID, |
| 3425 | ArrayRef<uint64_t>{GVI.second, GVI.first}); |
| 3426 | } |
| 3427 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3428 | // Abbrev for FS_COMBINED. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3429 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3430 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED)); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3431 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3432 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3433 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3434 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3435 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3436 | // numrefs x valueid, n x (valueid) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3437 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3438 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3439 | unsigned FSCallsAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3440 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3441 | // Abbrev for FS_COMBINED_PROFILE. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3442 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3443 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_PROFILE)); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3444 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3445 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3446 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3447 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3448 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3449 | // numrefs x valueid, n x (valueid, hotness) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3450 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3451 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3452 | unsigned FSCallsProfileAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3453 | |
| 3454 | // Abbrev for FS_COMBINED_GLOBALVAR_INIT_REFS. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3455 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3456 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_GLOBALVAR_INIT_REFS)); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3457 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3458 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3459 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3460 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); // valueids |
| 3461 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3462 | unsigned FSModRefsAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3463 | |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3464 | // Abbrev for FS_COMBINED_ALIAS. |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3465 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3466 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_ALIAS)); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3467 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3468 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3469 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // flags |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3470 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3471 | unsigned FSAliasAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3472 | |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3473 | // The aliases are emitted as a post-pass, and will point to the value |
| 3474 | // id of the aliasee. Save them in a vector for post-processing. |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 3475 | SmallVector<AliasSummary *, 64> Aliases; |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3476 | |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3477 | // Save the value id for each summary for alias emission. |
| 3478 | DenseMap<const GlobalValueSummary *, unsigned> SummaryToValueIdMap; |
| 3479 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3480 | SmallVector<uint64_t, 64> NameVals; |
Mehdi Amini | ae64eaf | 2016-04-23 23:38:17 +0000 | [diff] [blame] | 3481 | |
| 3482 | // For local linkage, we also emit the original name separately |
| 3483 | // immediately after the record. |
| 3484 | auto MaybeEmitOriginalName = [&](GlobalValueSummary &S) { |
| 3485 | if (!GlobalValue::isLocalLinkage(S.linkage())) |
| 3486 | return; |
| 3487 | NameVals.push_back(S.getOriginalName()); |
| 3488 | Stream.EmitRecord(bitc::FS_COMBINED_ORIGINAL_NAME, NameVals); |
| 3489 | NameVals.clear(); |
| 3490 | }; |
| 3491 | |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 3492 | forEachSummary([&](GVInfo I) { |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3493 | GlobalValueSummary *S = I.second; |
| 3494 | assert(S); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3495 | |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3496 | auto ValueId = getValueId(I.first); |
| 3497 | assert(ValueId); |
| 3498 | SummaryToValueIdMap[S] = *ValueId; |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3499 | |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3500 | if (auto *AS = dyn_cast<AliasSummary>(S)) { |
| 3501 | // Will process aliases as a post-pass because the reader wants all |
| 3502 | // global to be loaded first. |
| 3503 | Aliases.push_back(AS); |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 3504 | return; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3505 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3506 | |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3507 | if (auto *VS = dyn_cast<GlobalVarSummary>(S)) { |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3508 | NameVals.push_back(*ValueId); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3509 | NameVals.push_back(Index.getModuleId(VS->modulePath())); |
| 3510 | NameVals.push_back(getEncodedGVSummaryFlags(VS->flags())); |
| 3511 | for (auto &RI : VS->refs()) { |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3512 | auto RefValueId = getValueId(RI.getGUID()); |
| 3513 | if (!RefValueId) |
| 3514 | continue; |
| 3515 | NameVals.push_back(*RefValueId); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3516 | } |
| 3517 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3518 | // Emit the finished record. |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3519 | Stream.EmitRecord(bitc::FS_COMBINED_GLOBALVAR_INIT_REFS, NameVals, |
| 3520 | FSModRefsAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3521 | NameVals.clear(); |
Mehdi Amini | ae64eaf | 2016-04-23 23:38:17 +0000 | [diff] [blame] | 3522 | MaybeEmitOriginalName(*S); |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 3523 | return; |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3524 | } |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3525 | |
| 3526 | auto *FS = cast<FunctionSummary>(S); |
Peter Collingbourne | be9ffaa | 2017-02-10 22:29:38 +0000 | [diff] [blame] | 3527 | writeFunctionTypeMetadataRecords(Stream, FS); |
Peter Collingbourne | 1b4137a7 | 2016-12-21 23:03:45 +0000 | [diff] [blame] | 3528 | |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3529 | NameVals.push_back(*ValueId); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3530 | NameVals.push_back(Index.getModuleId(FS->modulePath())); |
| 3531 | NameVals.push_back(getEncodedGVSummaryFlags(FS->flags())); |
| 3532 | NameVals.push_back(FS->instCount()); |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3533 | // Fill in below |
| 3534 | NameVals.push_back(0); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3535 | |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3536 | unsigned Count = 0; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3537 | for (auto &RI : FS->refs()) { |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3538 | auto RefValueId = getValueId(RI.getGUID()); |
| 3539 | if (!RefValueId) |
| 3540 | continue; |
| 3541 | NameVals.push_back(*RefValueId); |
| 3542 | Count++; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3543 | } |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3544 | NameVals[4] = Count; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3545 | |
| 3546 | bool HasProfileData = false; |
| 3547 | for (auto &EI : FS->calls()) { |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3548 | HasProfileData |= EI.second.Hotness != CalleeInfo::HotnessType::Unknown; |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3549 | if (HasProfileData) |
| 3550 | break; |
| 3551 | } |
| 3552 | |
| 3553 | for (auto &EI : FS->calls()) { |
| 3554 | // If this GUID doesn't have a value id, it doesn't have a function |
| 3555 | // summary and we don't need to record any calls to it. |
Dehao Chen | 4a435e0 | 2017-03-14 17:33:01 +0000 | [diff] [blame] | 3556 | GlobalValue::GUID GUID = EI.first.getGUID(); |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3557 | auto CallValueId = getValueId(GUID); |
| 3558 | if (!CallValueId) { |
Dehao Chen | 4a435e0 | 2017-03-14 17:33:01 +0000 | [diff] [blame] | 3559 | // For SamplePGO, the indirect call targets for local functions will |
| 3560 | // have its original name annotated in profile. We try to find the |
| 3561 | // corresponding PGOFuncName as the GUID. |
| 3562 | GUID = Index.getGUIDFromOriginalID(GUID); |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3563 | if (GUID == 0) |
| 3564 | continue; |
| 3565 | CallValueId = getValueId(GUID); |
| 3566 | if (!CallValueId) |
Dehao Chen | 4a435e0 | 2017-03-14 17:33:01 +0000 | [diff] [blame] | 3567 | continue; |
| 3568 | } |
Teresa Johnson | a6a3fb5 | 2017-05-31 18:58:11 +0000 | [diff] [blame] | 3569 | NameVals.push_back(*CallValueId); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3570 | if (HasProfileData) |
Piotr Padlewski | d9830eb | 2016-09-26 20:37:32 +0000 | [diff] [blame] | 3571 | NameVals.push_back(static_cast<uint8_t>(EI.second.Hotness)); |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3572 | } |
| 3573 | |
| 3574 | unsigned FSAbbrev = (HasProfileData ? FSCallsProfileAbbrev : FSCallsAbbrev); |
| 3575 | unsigned Code = |
| 3576 | (HasProfileData ? bitc::FS_COMBINED_PROFILE : bitc::FS_COMBINED); |
| 3577 | |
| 3578 | // Emit the finished record. |
| 3579 | Stream.EmitRecord(Code, NameVals, FSAbbrev); |
| 3580 | NameVals.clear(); |
| 3581 | MaybeEmitOriginalName(*S); |
Peter Collingbourne | 7c2c409 | 2017-05-02 17:48:39 +0000 | [diff] [blame] | 3582 | }); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3583 | |
Teresa Johnson | 28e457b | 2016-04-24 14:57:11 +0000 | [diff] [blame] | 3584 | for (auto *AS : Aliases) { |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3585 | auto AliasValueId = SummaryToValueIdMap[AS]; |
| 3586 | assert(AliasValueId); |
| 3587 | NameVals.push_back(AliasValueId); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3588 | NameVals.push_back(Index.getModuleId(AS->modulePath())); |
Mehdi Amini | c3ed48c | 2016-04-24 03:18:18 +0000 | [diff] [blame] | 3589 | NameVals.push_back(getEncodedGVSummaryFlags(AS->flags())); |
Teresa Johnson | 02e9833 | 2016-04-27 13:28:35 +0000 | [diff] [blame] | 3590 | auto AliaseeValueId = SummaryToValueIdMap[&AS->getAliasee()]; |
| 3591 | assert(AliaseeValueId); |
| 3592 | NameVals.push_back(AliaseeValueId); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3593 | |
| 3594 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3595 | Stream.EmitRecord(bitc::FS_COMBINED_ALIAS, NameVals, FSAliasAbbrev); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3596 | NameVals.clear(); |
Mehdi Amini | ae64eaf | 2016-04-23 23:38:17 +0000 | [diff] [blame] | 3597 | MaybeEmitOriginalName(*AS); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3598 | } |
| 3599 | |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 3600 | if (!Index.cfiFunctionDefs().empty()) { |
| 3601 | for (auto &S : Index.cfiFunctionDefs()) { |
| 3602 | NameVals.push_back(StrtabBuilder.add(S)); |
| 3603 | NameVals.push_back(S.size()); |
| 3604 | } |
| 3605 | Stream.EmitRecord(bitc::FS_CFI_FUNCTION_DEFS, NameVals); |
| 3606 | NameVals.clear(); |
| 3607 | } |
| 3608 | |
| 3609 | if (!Index.cfiFunctionDecls().empty()) { |
| 3610 | for (auto &S : Index.cfiFunctionDecls()) { |
| 3611 | NameVals.push_back(StrtabBuilder.add(S)); |
| 3612 | NameVals.push_back(S.size()); |
| 3613 | } |
| 3614 | Stream.EmitRecord(bitc::FS_CFI_FUNCTION_DECLS, NameVals); |
| 3615 | NameVals.clear(); |
| 3616 | } |
| 3617 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3618 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3619 | } |
| 3620 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3621 | /// Create the "IDENTIFICATION_BLOCK_ID" containing a single string with the |
| 3622 | /// current llvm version, and a record for the epoch number. |
Benjamin Kramer | efcf06f | 2017-02-11 11:06:55 +0000 | [diff] [blame] | 3623 | static void writeIdentificationBlock(BitstreamWriter &Stream) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3624 | Stream.EnterSubblock(bitc::IDENTIFICATION_BLOCK_ID, 5); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3625 | |
| 3626 | // Write the "user readable" string identifying the bitcode producer |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3627 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3628 | Abbv->Add(BitCodeAbbrevOp(bitc::IDENTIFICATION_CODE_STRING)); |
| 3629 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3630 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3631 | auto StringAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3632 | writeStringRecord(Stream, bitc::IDENTIFICATION_CODE_STRING, |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3633 | "LLVM" LLVM_VERSION_STRING, StringAbbrev); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3634 | |
| 3635 | // Write the epoch version |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3636 | Abbv = std::make_shared<BitCodeAbbrev>(); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3637 | Abbv->Add(BitCodeAbbrevOp(bitc::IDENTIFICATION_CODE_EPOCH)); |
| 3638 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
David Blaikie | 7ad9dc1 | 2017-01-04 22:36:33 +0000 | [diff] [blame] | 3639 | auto EpochAbbrev = Stream.EmitAbbrev(std::move(Abbv)); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3640 | SmallVector<unsigned, 1> Vals = {bitc::BITCODE_CURRENT_EPOCH}; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3641 | Stream.EmitRecord(bitc::IDENTIFICATION_CODE_EPOCH, Vals, EpochAbbrev); |
| 3642 | Stream.ExitBlock(); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3643 | } |
| 3644 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3645 | void ModuleBitcodeWriter::writeModuleHash(size_t BlockStartPos) { |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3646 | // Emit the module's hash. |
| 3647 | // MODULE_CODE_HASH: [5*i32] |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3648 | if (GenerateHash) { |
| 3649 | SHA1 Hasher; |
| 3650 | uint32_t Vals[5]; |
| 3651 | Hasher.update(ArrayRef<uint8_t>((const uint8_t *)&(Buffer)[BlockStartPos], |
| 3652 | Buffer.size() - BlockStartPos)); |
| 3653 | StringRef Hash = Hasher.result(); |
| 3654 | for (int Pos = 0; Pos < 20; Pos += 4) { |
| 3655 | Vals[Pos / 4] = support::endian::read32be(Hash.data() + Pos); |
| 3656 | } |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3657 | |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3658 | // Emit the finished record. |
| 3659 | Stream.EmitRecord(bitc::MODULE_CODE_HASH, Vals); |
| 3660 | |
| 3661 | if (ModHash) |
| 3662 | // Save the written hash value. |
| 3663 | std::copy(std::begin(Vals), std::end(Vals), std::begin(*ModHash)); |
| 3664 | } else if (ModHash) |
| 3665 | Stream.EmitRecord(bitc::MODULE_CODE_HASH, ArrayRef<uint32_t>(*ModHash)); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3666 | } |
| 3667 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3668 | void ModuleBitcodeWriter::write() { |
| 3669 | writeIdentificationBlock(Stream); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3670 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3671 | Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); |
| 3672 | size_t BlockStartPos = Buffer.size(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3673 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3674 | writeModuleVersion(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3675 | |
| 3676 | // Emit blockinfo, which defines the standard abbreviations etc. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3677 | writeBlockInfo(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3678 | |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 3679 | // Emit information about attribute groups. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3680 | writeAttributeGroupTable(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 3681 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3682 | // Emit information about parameter attributes. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3683 | writeAttributeTable(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3684 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3685 | // Emit information describing all of the types in the module. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3686 | writeTypeTable(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3687 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3688 | writeComdats(); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 3689 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3690 | // Emit top-level description of module, including target triple, inline asm, |
| 3691 | // descriptors for global variables, and function prototype info. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3692 | writeModuleInfo(); |
Devang Patel | 7428d8a | 2009-07-22 17:43:22 +0000 | [diff] [blame] | 3693 | |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 3694 | // Emit constants. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3695 | writeModuleConstants(); |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 3696 | |
Peter Collingbourne | 2152189 | 2016-06-21 23:42:48 +0000 | [diff] [blame] | 3697 | // Emit metadata kind names. |
| 3698 | writeModuleMetadataKinds(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 3699 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 3700 | // Emit metadata. |
Peter Collingbourne | 2152189 | 2016-06-21 23:42:48 +0000 | [diff] [blame] | 3701 | writeModuleMetadata(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3702 | |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 3703 | // Emit module-level use-lists. |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 3704 | if (VE.shouldPreserveUseListOrder()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3705 | writeUseListBlock(nullptr); |
Chad Rosier | ca2567b | 2011-12-07 21:44:12 +0000 | [diff] [blame] | 3706 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3707 | writeOperandBundleTags(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 3708 | |
Derek Schuff | 8b2dcad | 2012-02-06 22:30:29 +0000 | [diff] [blame] | 3709 | // Emit function bodies. |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3710 | DenseMap<const Function *, uint64_t> FunctionToBitcodeIndex; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3711 | for (Module::const_iterator F = M.begin(), E = M.end(); F != E; ++F) |
Derek Schuff | 8b2dcad | 2012-02-06 22:30:29 +0000 | [diff] [blame] | 3712 | if (!F->isDeclaration()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3713 | writeFunction(*F, FunctionToBitcodeIndex); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3714 | |
| 3715 | // Need to write after the above call to WriteFunction which populates |
| 3716 | // the summary information in the index. |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3717 | if (Index) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3718 | writePerModuleGlobalValueSummary(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 3719 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3720 | writeGlobalValueSymbolTable(FunctionToBitcodeIndex); |
Derek Schuff | 8b2dcad | 2012-02-06 22:30:29 +0000 | [diff] [blame] | 3721 | |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3722 | writeModuleHash(BlockStartPos); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3723 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3724 | Stream.ExitBlock(); |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 3725 | } |
| 3726 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3727 | static void writeInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, |
| 3728 | uint32_t &Position) { |
| 3729 | support::endian::write32le(&Buffer[Position], Value); |
| 3730 | Position += 4; |
| 3731 | } |
| 3732 | |
| 3733 | /// If generating a bc file on darwin, we have to emit a |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3734 | /// header and trailer to make it compatible with the system archiver. To do |
| 3735 | /// this we emit the following header, and then emit a trailer that pads the |
| 3736 | /// file out to be a multiple of 16 bytes. |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3737 | /// |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3738 | /// struct bc_header { |
| 3739 | /// uint32_t Magic; // 0x0B17C0DE |
| 3740 | /// uint32_t Version; // Version, currently always 0. |
| 3741 | /// uint32_t BitcodeOffset; // Offset to traditional bitcode file. |
| 3742 | /// uint32_t BitcodeSize; // Size of traditional bitcode file. |
| 3743 | /// uint32_t CPUType; // CPU specifier. |
| 3744 | /// ... potentially more later ... |
| 3745 | /// }; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3746 | static void emitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3747 | const Triple &TT) { |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3748 | unsigned CPUType = ~0U; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3749 | |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3750 | // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, |
Evan Cheng | 545d360 | 2010-02-12 20:39:35 +0000 | [diff] [blame] | 3751 | // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic |
| 3752 | // number from /usr/include/mach/machine.h. It is ok to reproduce the |
| 3753 | // specific constants here because they are implicitly part of the Darwin ABI. |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3754 | enum { |
| 3755 | DARWIN_CPU_ARCH_ABI64 = 0x01000000, |
| 3756 | DARWIN_CPU_TYPE_X86 = 7, |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3757 | DARWIN_CPU_TYPE_ARM = 12, |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3758 | DARWIN_CPU_TYPE_POWERPC = 18 |
| 3759 | }; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3760 | |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3761 | Triple::ArchType Arch = TT.getArch(); |
| 3762 | if (Arch == Triple::x86_64) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3763 | CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3764 | else if (Arch == Triple::x86) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3765 | CPUType = DARWIN_CPU_TYPE_X86; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3766 | else if (Arch == Triple::ppc) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3767 | CPUType = DARWIN_CPU_TYPE_POWERPC; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3768 | else if (Arch == Triple::ppc64) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3769 | CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3770 | else if (Arch == Triple::arm || Arch == Triple::thumb) |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3771 | CPUType = DARWIN_CPU_TYPE_ARM; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3772 | |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3773 | // Traditional Bitcode starts after header. |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3774 | assert(Buffer.size() >= BWH_HeaderSize && |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3775 | "Expected header size to be reserved"); |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3776 | unsigned BCOffset = BWH_HeaderSize; |
| 3777 | unsigned BCSize = Buffer.size() - BWH_HeaderSize; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3778 | |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3779 | // Write the magic and version. |
| 3780 | unsigned Position = 0; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3781 | writeInt32ToBuffer(0x0B17C0DE, Buffer, Position); |
| 3782 | writeInt32ToBuffer(0, Buffer, Position); // Version. |
| 3783 | writeInt32ToBuffer(BCOffset, Buffer, Position); |
| 3784 | writeInt32ToBuffer(BCSize, Buffer, Position); |
| 3785 | writeInt32ToBuffer(CPUType, Buffer, Position); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3786 | |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3787 | // If the file is not a multiple of 16 bytes, insert dummy padding. |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3788 | while (Buffer.size() & 15) |
| 3789 | Buffer.push_back(0); |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3790 | } |
| 3791 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3792 | /// Helper to write the header common to all bitcode files. |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3793 | static void writeBitcodeHeader(BitstreamWriter &Stream) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3794 | // Emit the file header. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3795 | Stream.Emit((unsigned)'B', 8); |
| 3796 | Stream.Emit((unsigned)'C', 8); |
| 3797 | Stream.Emit(0x0, 4); |
| 3798 | Stream.Emit(0xC, 4); |
| 3799 | Stream.Emit(0xE, 4); |
| 3800 | Stream.Emit(0xD, 4); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3801 | } |
| 3802 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3803 | BitcodeWriter::BitcodeWriter(SmallVectorImpl<char> &Buffer) |
| 3804 | : Buffer(Buffer), Stream(new BitstreamWriter(Buffer)) { |
| 3805 | writeBitcodeHeader(*Stream); |
| 3806 | } |
| 3807 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3808 | BitcodeWriter::~BitcodeWriter() { assert(WroteStrtab); } |
| 3809 | |
| 3810 | void BitcodeWriter::writeBlob(unsigned Block, unsigned Record, StringRef Blob) { |
| 3811 | Stream->EnterSubblock(Block, 3); |
| 3812 | |
| 3813 | auto Abbv = std::make_shared<BitCodeAbbrev>(); |
| 3814 | Abbv->Add(BitCodeAbbrevOp(Record)); |
| 3815 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
| 3816 | auto AbbrevNo = Stream->EmitAbbrev(std::move(Abbv)); |
| 3817 | |
| 3818 | Stream->EmitRecordWithBlob(AbbrevNo, ArrayRef<uint64_t>{Record}, Blob); |
| 3819 | |
| 3820 | Stream->ExitBlock(); |
| 3821 | } |
| 3822 | |
| 3823 | void BitcodeWriter::writeStrtab() { |
| 3824 | assert(!WroteStrtab); |
| 3825 | |
| 3826 | std::vector<char> Strtab; |
| 3827 | StrtabBuilder.finalizeInOrder(); |
| 3828 | Strtab.resize(StrtabBuilder.getSize()); |
| 3829 | StrtabBuilder.write((uint8_t *)Strtab.data()); |
| 3830 | |
| 3831 | writeBlob(bitc::STRTAB_BLOCK_ID, bitc::STRTAB_BLOB, |
| 3832 | {Strtab.data(), Strtab.size()}); |
| 3833 | |
| 3834 | WroteStrtab = true; |
| 3835 | } |
| 3836 | |
| 3837 | void BitcodeWriter::copyStrtab(StringRef Strtab) { |
| 3838 | writeBlob(bitc::STRTAB_BLOCK_ID, bitc::STRTAB_BLOB, Strtab); |
| 3839 | WroteStrtab = true; |
| 3840 | } |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3841 | |
| 3842 | void BitcodeWriter::writeModule(const Module *M, |
| 3843 | bool ShouldPreserveUseListOrder, |
| 3844 | const ModuleSummaryIndex *Index, |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3845 | bool GenerateHash, ModuleHash *ModHash) { |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3846 | ModuleBitcodeWriter ModuleWriter(M, Buffer, StrtabBuilder, *Stream, |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3847 | ShouldPreserveUseListOrder, Index, |
| 3848 | GenerateHash, ModHash); |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3849 | ModuleWriter.write(); |
| 3850 | } |
| 3851 | |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 3852 | void BitcodeWriter::writeIndex( |
| 3853 | const ModuleSummaryIndex *Index, |
| 3854 | const std::map<std::string, GVSummaryMapTy> *ModuleToSummariesForIndex) { |
| 3855 | IndexBitcodeWriter IndexWriter(*Stream, StrtabBuilder, *Index, |
| 3856 | ModuleToSummariesForIndex); |
| 3857 | IndexWriter.write(); |
| 3858 | } |
| 3859 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 3860 | /// WriteBitcodeToFile - Write the specified module to the specified output |
| 3861 | /// stream. |
Duncan P. N. Exon Smith | a052ed6 | 2015-04-15 00:10:50 +0000 | [diff] [blame] | 3862 | void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out, |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3863 | bool ShouldPreserveUseListOrder, |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3864 | const ModuleSummaryIndex *Index, |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3865 | bool GenerateHash, ModuleHash *ModHash) { |
Michael Ilseman | e26658d | 2012-12-03 21:29:36 +0000 | [diff] [blame] | 3866 | SmallVector<char, 0> Buffer; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 3867 | Buffer.reserve(256*1024); |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3868 | |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3869 | // If this is darwin or another generic macho target, reserve space for the |
| 3870 | // header. |
| 3871 | Triple TT(M->getTargetTriple()); |
Akira Hatanaka | 1235d28 | 2016-01-23 16:02:10 +0000 | [diff] [blame] | 3872 | if (TT.isOSDarwin() || TT.isOSBinFormatMachO()) |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3873 | Buffer.insert(Buffer.begin(), BWH_HeaderSize, 0); |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3874 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3875 | BitcodeWriter Writer(Buffer); |
Teresa Johnson | 0c6a4ff | 2017-03-23 19:47:39 +0000 | [diff] [blame] | 3876 | Writer.writeModule(M, ShouldPreserveUseListOrder, Index, GenerateHash, |
| 3877 | ModHash); |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3878 | Writer.writeStrtab(); |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3879 | |
Akira Hatanaka | 1235d28 | 2016-01-23 16:02:10 +0000 | [diff] [blame] | 3880 | if (TT.isOSDarwin() || TT.isOSBinFormatMachO()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3881 | emitDarwinBCHeaderAndTrailer(Buffer, TT); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3882 | |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3883 | // Write the generated bitstream to "Out". |
| 3884 | Out.write((char*)&Buffer.front(), Buffer.size()); |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3885 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3886 | |
Peter Collingbourne | 5a0a2e6 | 2016-11-29 20:43:47 +0000 | [diff] [blame] | 3887 | void IndexBitcodeWriter::write() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3888 | Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3889 | |
Peter Collingbourne | a0f371a | 2017-04-17 17:51:36 +0000 | [diff] [blame] | 3890 | writeModuleVersion(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3891 | |
| 3892 | // Write the module paths in the combined index. |
| 3893 | writeModStrings(); |
| 3894 | |
| 3895 | // Write the summary combined index records. |
| 3896 | writeCombinedGlobalValueSummary(); |
| 3897 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame] | 3898 | Stream.ExitBlock(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3899 | } |
| 3900 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3901 | // Write the specified module summary index to the given raw output stream, |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3902 | // where it will be written in a new bitcode block. This is used when |
Teresa Johnson | 84174c3 | 2016-05-10 13:48:23 +0000 | [diff] [blame] | 3903 | // writing the combined index file for ThinLTO. When writing a subset of the |
| 3904 | // index for a distributed backend, provide a \p ModuleToSummariesForIndex map. |
| 3905 | void llvm::WriteIndexToFile( |
| 3906 | const ModuleSummaryIndex &Index, raw_ostream &Out, |
Mehdi Amini | cc1fe9b | 2016-08-19 06:06:18 +0000 | [diff] [blame] | 3907 | const std::map<std::string, GVSummaryMapTy> *ModuleToSummariesForIndex) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3908 | SmallVector<char, 0> Buffer; |
| 3909 | Buffer.reserve(256 * 1024); |
| 3910 | |
Evgeniy Stepanov | 4d4ee93 | 2017-06-16 00:18:29 +0000 | [diff] [blame^] | 3911 | BitcodeWriter Writer(Buffer); |
| 3912 | Writer.writeIndex(&Index, ModuleToSummariesForIndex); |
| 3913 | Writer.writeStrtab(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3914 | |
| 3915 | Out.write((char *)&Buffer.front(), Buffer.size()); |
| 3916 | } |