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 | |
Chandler Carruth | ed0881b | 2012-12-03 16:50:05 +0000 | [diff] [blame] | 14 | #include "ValueEnumerator.h" |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 15 | #include "llvm/ADT/StringExtras.h" |
Chandler Carruth | ed0881b | 2012-12-03 16:50:05 +0000 | [diff] [blame] | 16 | #include "llvm/ADT/Triple.h" |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 17 | #include "llvm/Bitcode/BitstreamWriter.h" |
Chris Lattner | 362b4a1 | 2007-04-23 01:01:37 +0000 | [diff] [blame] | 18 | #include "llvm/Bitcode/LLVMBitCodes.h" |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 19 | #include "llvm/Bitcode/ReaderWriter.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" |
Torok Edwin | 56d0659 | 2009-07-11 20:10:48 +0000 | [diff] [blame] | 31 | #include "llvm/Support/ErrorHandling.h" |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 32 | #include "llvm/Support/MathExtras.h" |
Michael J. Spencer | 447762d | 2010-11-29 18:16:10 +0000 | [diff] [blame] | 33 | #include "llvm/Support/Program.h" |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 34 | #include "llvm/Support/SHA1.h" |
Mehdi Amini | b550cb1 | 2016-04-18 09:17:29 +0000 | [diff] [blame] | 35 | #include "llvm/Support/raw_ostream.h" |
Nick Lewycky | 0de20af | 2010-12-19 20:43:38 +0000 | [diff] [blame] | 36 | #include <cctype> |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 37 | #include <map> |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 38 | using namespace llvm; |
| 39 | |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 40 | /// These are manifest constants used by the bitcode writer. They do not need to |
| 41 | /// be kept in sync with the reader, but need to be consistent within this file. |
| 42 | enum { |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 43 | // VALUE_SYMTAB_BLOCK abbrev id's. |
| 44 | VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
Chris Lattner | fd1ad10 | 2007-05-04 20:58:35 +0000 | [diff] [blame] | 45 | VST_ENTRY_7_ABBREV, |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 46 | VST_ENTRY_6_ABBREV, |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 47 | VST_BBENTRY_6_ABBREV, |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 48 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 49 | // CONSTANTS_BLOCK abbrev id's. |
| 50 | CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
| 51 | CONSTANTS_INTEGER_ABBREV, |
| 52 | CONSTANTS_CE_CAST_Abbrev, |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 53 | CONSTANTS_NULL_Abbrev, |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 54 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 55 | // FUNCTION_BLOCK abbrev id's. |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 56 | FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 57 | FUNCTION_INST_BINOP_ABBREV, |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 58 | FUNCTION_INST_BINOP_FLAGS_ABBREV, |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 59 | FUNCTION_INST_CAST_ABBREV, |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 60 | FUNCTION_INST_RET_VOID_ABBREV, |
| 61 | FUNCTION_INST_RET_VAL_ABBREV, |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 62 | FUNCTION_INST_UNREACHABLE_ABBREV, |
| 63 | FUNCTION_INST_GEP_ABBREV, |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 66 | /// Abstract class to manage the bitcode writing, subclassed for each bitcode |
| 67 | /// file type. Owns the BitstreamWriter, and includes the main entry point for |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 68 | /// writing. |
| 69 | class BitcodeWriter { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 70 | protected: |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 71 | /// Pointer to the buffer allocated by caller for bitcode writing. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 72 | const SmallVectorImpl<char> &Buffer; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 73 | |
| 74 | /// The stream created and owned by the BitodeWriter. |
| 75 | BitstreamWriter Stream; |
| 76 | |
| 77 | /// Saves the offset of the VSTOffset record that must eventually be |
| 78 | /// backpatched with the offset of the actual VST. |
| 79 | uint64_t VSTOffsetPlaceholder = 0; |
| 80 | |
| 81 | public: |
| 82 | /// Constructs a BitcodeWriter object, and initializes a BitstreamRecord, |
| 83 | /// writing to the provided \p Buffer. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 84 | BitcodeWriter(SmallVectorImpl<char> &Buffer) |
| 85 | : Buffer(Buffer), Stream(Buffer) {} |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 86 | |
| 87 | virtual ~BitcodeWriter() = default; |
| 88 | |
| 89 | /// Main entry point to write the bitcode file, which writes the bitcode |
| 90 | /// header and will then invoke the virtual writeBlocks() method. |
| 91 | void write(); |
| 92 | |
| 93 | private: |
| 94 | /// Derived classes must implement this to write the corresponding blocks for |
| 95 | /// that bitcode file type. |
| 96 | virtual void writeBlocks() = 0; |
| 97 | |
| 98 | protected: |
| 99 | bool hasVSTOffsetPlaceholder() { return VSTOffsetPlaceholder != 0; } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 100 | void writeValueSymbolTableForwardDecl(); |
| 101 | void writeBitcodeHeader(); |
| 102 | }; |
| 103 | |
| 104 | /// Class to manage the bitcode writing for a module. |
| 105 | class ModuleBitcodeWriter : public BitcodeWriter { |
| 106 | /// The Module to write to bitcode. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 107 | const Module &M; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 108 | |
| 109 | /// Enumerates ids for all values in the module. |
| 110 | ValueEnumerator VE; |
| 111 | |
| 112 | /// Optional per-module index to write for ThinLTO. |
| 113 | const ModuleSummaryIndex *Index; |
| 114 | |
| 115 | /// True if a module hash record should be written. |
| 116 | bool GenerateHash; |
| 117 | |
| 118 | /// The start bit of the module block, for use in generating a module hash |
| 119 | uint64_t BitcodeStartBit = 0; |
| 120 | |
| 121 | public: |
| 122 | /// Constructs a ModuleBitcodeWriter object for the given Module, |
| 123 | /// writing to the provided \p Buffer. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 124 | ModuleBitcodeWriter(const Module *M, SmallVectorImpl<char> &Buffer, |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 125 | bool ShouldPreserveUseListOrder, |
| 126 | const ModuleSummaryIndex *Index, bool GenerateHash) |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 127 | : BitcodeWriter(Buffer), M(*M), VE(*M, ShouldPreserveUseListOrder), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 128 | Index(Index), GenerateHash(GenerateHash) { |
| 129 | // Save the start bit of the actual bitcode, in case there is space |
| 130 | // saved at the start for the darwin header above. The reader stream |
| 131 | // will start at the bitcode, and we need the offset of the VST |
| 132 | // to line up. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 133 | BitcodeStartBit = Stream.GetCurrentBitNo(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | private: |
| 137 | /// Main entry point for writing a module to bitcode, invoked by |
| 138 | /// BitcodeWriter::write() after it writes the header. |
| 139 | void writeBlocks() override; |
| 140 | |
| 141 | /// Create the "IDENTIFICATION_BLOCK_ID" containing a single string with the |
| 142 | /// current llvm version, and a record for the epoch number. |
| 143 | void writeIdentificationBlock(); |
| 144 | |
| 145 | /// Emit the current module to the bitstream. |
| 146 | void writeModule(); |
| 147 | |
| 148 | uint64_t bitcodeStartBit() { return BitcodeStartBit; } |
| 149 | |
| 150 | void writeStringRecord(unsigned Code, StringRef Str, unsigned AbbrevToUse); |
| 151 | void writeAttributeGroupTable(); |
| 152 | void writeAttributeTable(); |
| 153 | void writeTypeTable(); |
| 154 | void writeComdats(); |
| 155 | void writeModuleInfo(); |
| 156 | void writeValueAsMetadata(const ValueAsMetadata *MD, |
| 157 | SmallVectorImpl<uint64_t> &Record); |
| 158 | void writeMDTuple(const MDTuple *N, SmallVectorImpl<uint64_t> &Record, |
| 159 | unsigned Abbrev); |
| 160 | unsigned createDILocationAbbrev(); |
| 161 | void writeDILocation(const DILocation *N, SmallVectorImpl<uint64_t> &Record, |
| 162 | unsigned &Abbrev); |
| 163 | unsigned createGenericDINodeAbbrev(); |
| 164 | void writeGenericDINode(const GenericDINode *N, |
| 165 | SmallVectorImpl<uint64_t> &Record, unsigned &Abbrev); |
| 166 | void writeDISubrange(const DISubrange *N, SmallVectorImpl<uint64_t> &Record, |
| 167 | unsigned Abbrev); |
| 168 | void writeDIEnumerator(const DIEnumerator *N, |
| 169 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 170 | void writeDIBasicType(const DIBasicType *N, SmallVectorImpl<uint64_t> &Record, |
| 171 | unsigned Abbrev); |
| 172 | void writeDIDerivedType(const DIDerivedType *N, |
| 173 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 174 | void writeDICompositeType(const DICompositeType *N, |
| 175 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 176 | void writeDISubroutineType(const DISubroutineType *N, |
| 177 | SmallVectorImpl<uint64_t> &Record, |
| 178 | unsigned Abbrev); |
| 179 | void writeDIFile(const DIFile *N, SmallVectorImpl<uint64_t> &Record, |
| 180 | unsigned Abbrev); |
| 181 | void writeDICompileUnit(const DICompileUnit *N, |
| 182 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 183 | void writeDISubprogram(const DISubprogram *N, |
| 184 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 185 | void writeDILexicalBlock(const DILexicalBlock *N, |
| 186 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 187 | void writeDILexicalBlockFile(const DILexicalBlockFile *N, |
| 188 | SmallVectorImpl<uint64_t> &Record, |
| 189 | unsigned Abbrev); |
| 190 | void writeDINamespace(const DINamespace *N, SmallVectorImpl<uint64_t> &Record, |
| 191 | unsigned Abbrev); |
| 192 | void writeDIMacro(const DIMacro *N, SmallVectorImpl<uint64_t> &Record, |
| 193 | unsigned Abbrev); |
| 194 | void writeDIMacroFile(const DIMacroFile *N, SmallVectorImpl<uint64_t> &Record, |
| 195 | unsigned Abbrev); |
| 196 | void writeDIModule(const DIModule *N, SmallVectorImpl<uint64_t> &Record, |
| 197 | unsigned Abbrev); |
| 198 | void writeDITemplateTypeParameter(const DITemplateTypeParameter *N, |
| 199 | SmallVectorImpl<uint64_t> &Record, |
| 200 | unsigned Abbrev); |
| 201 | void writeDITemplateValueParameter(const DITemplateValueParameter *N, |
| 202 | SmallVectorImpl<uint64_t> &Record, |
| 203 | unsigned Abbrev); |
| 204 | void writeDIGlobalVariable(const DIGlobalVariable *N, |
| 205 | SmallVectorImpl<uint64_t> &Record, |
| 206 | unsigned Abbrev); |
| 207 | void writeDILocalVariable(const DILocalVariable *N, |
| 208 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 209 | void writeDIExpression(const DIExpression *N, |
| 210 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 211 | void writeDIObjCProperty(const DIObjCProperty *N, |
| 212 | SmallVectorImpl<uint64_t> &Record, unsigned Abbrev); |
| 213 | void writeDIImportedEntity(const DIImportedEntity *N, |
| 214 | SmallVectorImpl<uint64_t> &Record, |
| 215 | unsigned Abbrev); |
| 216 | unsigned createNamedMetadataAbbrev(); |
| 217 | void writeNamedMetadata(SmallVectorImpl<uint64_t> &Record); |
| 218 | unsigned createMetadataStringsAbbrev(); |
| 219 | void writeMetadataStrings(ArrayRef<const Metadata *> Strings, |
| 220 | SmallVectorImpl<uint64_t> &Record); |
| 221 | void writeMetadataRecords(ArrayRef<const Metadata *> MDs, |
| 222 | SmallVectorImpl<uint64_t> &Record); |
| 223 | void writeModuleMetadata(); |
| 224 | void writeFunctionMetadata(const Function &F); |
| 225 | void writeMetadataAttachment(const Function &F); |
| 226 | void writeModuleMetadataStore(); |
| 227 | void writeOperandBundleTags(); |
| 228 | void writeConstants(unsigned FirstVal, unsigned LastVal, bool isGlobal); |
| 229 | void writeModuleConstants(); |
| 230 | bool pushValueAndType(const Value *V, unsigned InstID, |
| 231 | SmallVectorImpl<unsigned> &Vals); |
| 232 | void writeOperandBundles(ImmutableCallSite CS, unsigned InstID); |
| 233 | void pushValue(const Value *V, unsigned InstID, |
| 234 | SmallVectorImpl<unsigned> &Vals); |
| 235 | void pushValueSigned(const Value *V, unsigned InstID, |
| 236 | SmallVectorImpl<uint64_t> &Vals); |
| 237 | void writeInstruction(const Instruction &I, unsigned InstID, |
| 238 | SmallVectorImpl<unsigned> &Vals); |
| 239 | void writeValueSymbolTable( |
| 240 | const ValueSymbolTable &VST, bool IsModuleLevel = false, |
| 241 | DenseMap<const Function *, uint64_t> *FunctionToBitcodeIndex = nullptr); |
| 242 | void writeUseList(UseListOrder &&Order); |
| 243 | void writeUseListBlock(const Function *F); |
| 244 | void |
| 245 | writeFunction(const Function &F, |
| 246 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex); |
| 247 | void writeBlockInfo(); |
| 248 | void writePerModuleFunctionSummaryRecord(SmallVector<uint64_t, 64> &NameVals, |
| 249 | GlobalValueInfo *Info, |
| 250 | unsigned ValueID, |
| 251 | unsigned FSCallsAbbrev, |
| 252 | unsigned FSCallsProfileAbbrev, |
| 253 | const Function &F); |
| 254 | void writeModuleLevelReferences(const GlobalVariable &V, |
| 255 | SmallVector<uint64_t, 64> &NameVals, |
| 256 | unsigned FSModRefsAbbrev); |
| 257 | void writePerModuleGlobalValueSummary(); |
| 258 | void writeModuleHash(size_t BlockStartPos); |
| 259 | }; |
| 260 | |
| 261 | /// Class to manage the bitcode writing for a combined index. |
| 262 | class IndexBitcodeWriter : public BitcodeWriter { |
| 263 | /// The combined index to write to bitcode. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 264 | const ModuleSummaryIndex &Index; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 265 | |
| 266 | /// Map that holds the correspondence between the GUID used in the combined |
| 267 | /// index and a value id generated by this class to use in references. |
| 268 | std::map<GlobalValue::GUID, unsigned> GUIDToValueIdMap; |
| 269 | |
| 270 | /// Tracks the last value id recorded in the GUIDToValueMap. |
| 271 | unsigned GlobalValueId = 0; |
| 272 | |
| 273 | public: |
| 274 | /// Constructs a IndexBitcodeWriter object for the given combined index, |
| 275 | /// writing to the provided \p Buffer. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 276 | IndexBitcodeWriter(SmallVectorImpl<char> &Buffer, |
| 277 | const ModuleSummaryIndex &Index) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 278 | : BitcodeWriter(Buffer), Index(Index) { |
| 279 | // Assign unique value ids to all functions in the index for use |
| 280 | // in writing out the call graph edges. Save the mapping from GUID |
| 281 | // to the new global value id to use when writing those edges, which |
| 282 | // are currently saved in the index in terms of GUID. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 283 | for (auto &II : Index) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 284 | GUIDToValueIdMap[II.first] = ++GlobalValueId; |
| 285 | } |
| 286 | |
| 287 | private: |
| 288 | /// Main entry point for writing a combined index to bitcode, invoked by |
| 289 | /// BitcodeWriter::write() after it writes the header. |
| 290 | void writeBlocks() override; |
| 291 | |
| 292 | void writeIndex(); |
| 293 | void writeModStrings(); |
| 294 | void writeCombinedValueSymbolTable(); |
| 295 | void writeCombinedGlobalValueSummary(); |
| 296 | |
| 297 | bool hasValueId(GlobalValue::GUID ValGUID) { |
| 298 | const auto &VMI = GUIDToValueIdMap.find(ValGUID); |
| 299 | return VMI != GUIDToValueIdMap.end(); |
| 300 | } |
| 301 | unsigned getValueId(GlobalValue::GUID ValGUID) { |
| 302 | const auto &VMI = GUIDToValueIdMap.find(ValGUID); |
| 303 | // If this GUID doesn't have an entry, assign one. |
| 304 | if (VMI == GUIDToValueIdMap.end()) { |
| 305 | GUIDToValueIdMap[ValGUID] = ++GlobalValueId; |
| 306 | return GlobalValueId; |
| 307 | } else { |
| 308 | return VMI->second; |
| 309 | } |
| 310 | } |
| 311 | unsigned popValueId(GlobalValue::GUID ValGUID) { |
| 312 | const auto &VMI = GUIDToValueIdMap.find(ValGUID); |
| 313 | assert(VMI != GUIDToValueIdMap.end()); |
| 314 | unsigned ValueId = VMI->second; |
| 315 | GUIDToValueIdMap.erase(VMI); |
| 316 | return ValueId; |
| 317 | } |
| 318 | std::map<GlobalValue::GUID, unsigned> &valueIds() { return GUIDToValueIdMap; } |
| 319 | }; |
| 320 | |
| 321 | static unsigned getEncodedCastOpcode(unsigned Opcode) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 322 | switch (Opcode) { |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 323 | default: llvm_unreachable("Unknown cast instruction!"); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 324 | case Instruction::Trunc : return bitc::CAST_TRUNC; |
| 325 | case Instruction::ZExt : return bitc::CAST_ZEXT; |
| 326 | case Instruction::SExt : return bitc::CAST_SEXT; |
| 327 | case Instruction::FPToUI : return bitc::CAST_FPTOUI; |
| 328 | case Instruction::FPToSI : return bitc::CAST_FPTOSI; |
| 329 | case Instruction::UIToFP : return bitc::CAST_UITOFP; |
| 330 | case Instruction::SIToFP : return bitc::CAST_SITOFP; |
| 331 | case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; |
| 332 | case Instruction::FPExt : return bitc::CAST_FPEXT; |
| 333 | case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; |
| 334 | case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; |
| 335 | case Instruction::BitCast : return bitc::CAST_BITCAST; |
Matt Arsenault | 3aa9b03 | 2013-11-18 02:51:33 +0000 | [diff] [blame] | 336 | case Instruction::AddrSpaceCast: return bitc::CAST_ADDRSPACECAST; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 337 | } |
| 338 | } |
| 339 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 340 | static unsigned getEncodedBinaryOpcode(unsigned Opcode) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 341 | switch (Opcode) { |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 342 | default: llvm_unreachable("Unknown binary instruction!"); |
Dan Gohman | a5b9645 | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 343 | case Instruction::Add: |
| 344 | case Instruction::FAdd: return bitc::BINOP_ADD; |
| 345 | case Instruction::Sub: |
| 346 | case Instruction::FSub: return bitc::BINOP_SUB; |
| 347 | case Instruction::Mul: |
| 348 | case Instruction::FMul: return bitc::BINOP_MUL; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 349 | case Instruction::UDiv: return bitc::BINOP_UDIV; |
| 350 | case Instruction::FDiv: |
| 351 | case Instruction::SDiv: return bitc::BINOP_SDIV; |
| 352 | case Instruction::URem: return bitc::BINOP_UREM; |
| 353 | case Instruction::FRem: |
| 354 | case Instruction::SRem: return bitc::BINOP_SREM; |
| 355 | case Instruction::Shl: return bitc::BINOP_SHL; |
| 356 | case Instruction::LShr: return bitc::BINOP_LSHR; |
| 357 | case Instruction::AShr: return bitc::BINOP_ASHR; |
| 358 | case Instruction::And: return bitc::BINOP_AND; |
| 359 | case Instruction::Or: return bitc::BINOP_OR; |
| 360 | case Instruction::Xor: return bitc::BINOP_XOR; |
| 361 | } |
| 362 | } |
| 363 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 364 | static unsigned getEncodedRMWOperation(AtomicRMWInst::BinOp Op) { |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 365 | switch (Op) { |
| 366 | default: llvm_unreachable("Unknown RMW operation!"); |
| 367 | case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; |
| 368 | case AtomicRMWInst::Add: return bitc::RMW_ADD; |
| 369 | case AtomicRMWInst::Sub: return bitc::RMW_SUB; |
| 370 | case AtomicRMWInst::And: return bitc::RMW_AND; |
| 371 | case AtomicRMWInst::Nand: return bitc::RMW_NAND; |
| 372 | case AtomicRMWInst::Or: return bitc::RMW_OR; |
| 373 | case AtomicRMWInst::Xor: return bitc::RMW_XOR; |
| 374 | case AtomicRMWInst::Max: return bitc::RMW_MAX; |
| 375 | case AtomicRMWInst::Min: return bitc::RMW_MIN; |
| 376 | case AtomicRMWInst::UMax: return bitc::RMW_UMAX; |
| 377 | case AtomicRMWInst::UMin: return bitc::RMW_UMIN; |
| 378 | } |
| 379 | } |
| 380 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 381 | static unsigned getEncodedOrdering(AtomicOrdering Ordering) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 382 | switch (Ordering) { |
JF Bastien | 800f87a | 2016-04-06 21:19:33 +0000 | [diff] [blame] | 383 | case AtomicOrdering::NotAtomic: return bitc::ORDERING_NOTATOMIC; |
| 384 | case AtomicOrdering::Unordered: return bitc::ORDERING_UNORDERED; |
| 385 | case AtomicOrdering::Monotonic: return bitc::ORDERING_MONOTONIC; |
| 386 | case AtomicOrdering::Acquire: return bitc::ORDERING_ACQUIRE; |
| 387 | case AtomicOrdering::Release: return bitc::ORDERING_RELEASE; |
| 388 | case AtomicOrdering::AcquireRelease: return bitc::ORDERING_ACQREL; |
| 389 | case AtomicOrdering::SequentiallyConsistent: return bitc::ORDERING_SEQCST; |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 390 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 391 | llvm_unreachable("Invalid ordering"); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 392 | } |
| 393 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 394 | static unsigned getEncodedSynchScope(SynchronizationScope SynchScope) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 395 | switch (SynchScope) { |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 396 | case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; |
| 397 | case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; |
| 398 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 399 | llvm_unreachable("Invalid synch scope"); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 400 | } |
| 401 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 402 | void ModuleBitcodeWriter::writeStringRecord(unsigned Code, StringRef Str, |
| 403 | unsigned AbbrevToUse) { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 404 | SmallVector<unsigned, 64> Vals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 405 | |
Chris Lattner | e14cb88 | 2007-05-04 19:11:41 +0000 | [diff] [blame] | 406 | // Code: [strchar x N] |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 407 | for (unsigned i = 0, e = Str.size(); i != e; ++i) { |
| 408 | if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) |
| 409 | AbbrevToUse = 0; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 410 | Vals.push_back(Str[i]); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 411 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 412 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 413 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 414 | Stream.EmitRecord(Code, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 415 | } |
| 416 | |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 417 | static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) { |
| 418 | switch (Kind) { |
| 419 | case Attribute::Alignment: |
| 420 | return bitc::ATTR_KIND_ALIGNMENT; |
George Burgess IV | 278199f | 2016-04-12 01:05:35 +0000 | [diff] [blame] | 421 | case Attribute::AllocSize: |
| 422 | return bitc::ATTR_KIND_ALLOC_SIZE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 423 | case Attribute::AlwaysInline: |
| 424 | return bitc::ATTR_KIND_ALWAYS_INLINE; |
Igor Laevsky | 39d662f | 2015-07-11 10:30:36 +0000 | [diff] [blame] | 425 | case Attribute::ArgMemOnly: |
| 426 | return bitc::ATTR_KIND_ARGMEMONLY; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 427 | case Attribute::Builtin: |
| 428 | return bitc::ATTR_KIND_BUILTIN; |
| 429 | case Attribute::ByVal: |
| 430 | return bitc::ATTR_KIND_BY_VAL; |
Owen Anderson | 85fa7d5 | 2015-05-26 23:48:40 +0000 | [diff] [blame] | 431 | case Attribute::Convergent: |
| 432 | return bitc::ATTR_KIND_CONVERGENT; |
Reid Kleckner | a534a38 | 2013-12-19 02:14:12 +0000 | [diff] [blame] | 433 | case Attribute::InAlloca: |
| 434 | return bitc::ATTR_KIND_IN_ALLOCA; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 435 | case Attribute::Cold: |
| 436 | return bitc::ATTR_KIND_COLD; |
Vaivaswatha Nagaraj | fb3f490 | 2015-12-16 16:16:19 +0000 | [diff] [blame] | 437 | case Attribute::InaccessibleMemOnly: |
| 438 | return bitc::ATTR_KIND_INACCESSIBLEMEM_ONLY; |
| 439 | case Attribute::InaccessibleMemOrArgMemOnly: |
| 440 | return bitc::ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 441 | case Attribute::InlineHint: |
| 442 | return bitc::ATTR_KIND_INLINE_HINT; |
| 443 | case Attribute::InReg: |
| 444 | return bitc::ATTR_KIND_IN_REG; |
Tom Roeder | 44cb65f | 2014-06-05 19:29:43 +0000 | [diff] [blame] | 445 | case Attribute::JumpTable: |
| 446 | return bitc::ATTR_KIND_JUMP_TABLE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 447 | case Attribute::MinSize: |
| 448 | return bitc::ATTR_KIND_MIN_SIZE; |
| 449 | case Attribute::Naked: |
| 450 | return bitc::ATTR_KIND_NAKED; |
| 451 | case Attribute::Nest: |
| 452 | return bitc::ATTR_KIND_NEST; |
| 453 | case Attribute::NoAlias: |
| 454 | return bitc::ATTR_KIND_NO_ALIAS; |
| 455 | case Attribute::NoBuiltin: |
| 456 | return bitc::ATTR_KIND_NO_BUILTIN; |
| 457 | case Attribute::NoCapture: |
| 458 | return bitc::ATTR_KIND_NO_CAPTURE; |
| 459 | case Attribute::NoDuplicate: |
| 460 | return bitc::ATTR_KIND_NO_DUPLICATE; |
| 461 | case Attribute::NoImplicitFloat: |
| 462 | return bitc::ATTR_KIND_NO_IMPLICIT_FLOAT; |
| 463 | case Attribute::NoInline: |
| 464 | return bitc::ATTR_KIND_NO_INLINE; |
James Molloy | e6f87ca | 2015-11-06 10:32:53 +0000 | [diff] [blame] | 465 | case Attribute::NoRecurse: |
| 466 | return bitc::ATTR_KIND_NO_RECURSE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 467 | case Attribute::NonLazyBind: |
| 468 | return bitc::ATTR_KIND_NON_LAZY_BIND; |
Nick Lewycky | d52b152 | 2014-05-20 01:23:40 +0000 | [diff] [blame] | 469 | case Attribute::NonNull: |
| 470 | return bitc::ATTR_KIND_NON_NULL; |
Hal Finkel | b0407ba | 2014-07-18 15:51:28 +0000 | [diff] [blame] | 471 | case Attribute::Dereferenceable: |
| 472 | return bitc::ATTR_KIND_DEREFERENCEABLE; |
Sanjoy Das | 31ea6d1 | 2015-04-16 20:29:50 +0000 | [diff] [blame] | 473 | case Attribute::DereferenceableOrNull: |
| 474 | return bitc::ATTR_KIND_DEREFERENCEABLE_OR_NULL; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 475 | case Attribute::NoRedZone: |
| 476 | return bitc::ATTR_KIND_NO_RED_ZONE; |
| 477 | case Attribute::NoReturn: |
| 478 | return bitc::ATTR_KIND_NO_RETURN; |
| 479 | case Attribute::NoUnwind: |
| 480 | return bitc::ATTR_KIND_NO_UNWIND; |
| 481 | case Attribute::OptimizeForSize: |
| 482 | return bitc::ATTR_KIND_OPTIMIZE_FOR_SIZE; |
Andrea Di Biagio | 377496b | 2013-08-23 11:53:55 +0000 | [diff] [blame] | 483 | case Attribute::OptimizeNone: |
| 484 | return bitc::ATTR_KIND_OPTIMIZE_NONE; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 485 | case Attribute::ReadNone: |
| 486 | return bitc::ATTR_KIND_READ_NONE; |
| 487 | case Attribute::ReadOnly: |
| 488 | return bitc::ATTR_KIND_READ_ONLY; |
| 489 | case Attribute::Returned: |
| 490 | return bitc::ATTR_KIND_RETURNED; |
| 491 | case Attribute::ReturnsTwice: |
| 492 | return bitc::ATTR_KIND_RETURNS_TWICE; |
| 493 | case Attribute::SExt: |
| 494 | return bitc::ATTR_KIND_S_EXT; |
| 495 | case Attribute::StackAlignment: |
| 496 | return bitc::ATTR_KIND_STACK_ALIGNMENT; |
| 497 | case Attribute::StackProtect: |
| 498 | return bitc::ATTR_KIND_STACK_PROTECT; |
| 499 | case Attribute::StackProtectReq: |
| 500 | return bitc::ATTR_KIND_STACK_PROTECT_REQ; |
| 501 | case Attribute::StackProtectStrong: |
| 502 | return bitc::ATTR_KIND_STACK_PROTECT_STRONG; |
Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 503 | case Attribute::SafeStack: |
| 504 | return bitc::ATTR_KIND_SAFESTACK; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 505 | case Attribute::StructRet: |
| 506 | return bitc::ATTR_KIND_STRUCT_RET; |
| 507 | case Attribute::SanitizeAddress: |
| 508 | return bitc::ATTR_KIND_SANITIZE_ADDRESS; |
| 509 | case Attribute::SanitizeThread: |
| 510 | return bitc::ATTR_KIND_SANITIZE_THREAD; |
| 511 | case Attribute::SanitizeMemory: |
| 512 | return bitc::ATTR_KIND_SANITIZE_MEMORY; |
Manman Ren | 9bfd0d0 | 2016-04-01 21:41:15 +0000 | [diff] [blame] | 513 | case Attribute::SwiftError: |
| 514 | return bitc::ATTR_KIND_SWIFT_ERROR; |
Manman Ren | f46262e | 2016-03-29 17:37:21 +0000 | [diff] [blame] | 515 | case Attribute::SwiftSelf: |
| 516 | return bitc::ATTR_KIND_SWIFT_SELF; |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 517 | case Attribute::UWTable: |
| 518 | return bitc::ATTR_KIND_UW_TABLE; |
| 519 | case Attribute::ZExt: |
| 520 | return bitc::ATTR_KIND_Z_EXT; |
| 521 | case Attribute::EndAttrKinds: |
| 522 | llvm_unreachable("Can not encode end-attribute kinds marker."); |
| 523 | case Attribute::None: |
| 524 | llvm_unreachable("Can not encode none-attribute."); |
| 525 | } |
| 526 | |
| 527 | llvm_unreachable("Trying to encode unknown attribute"); |
| 528 | } |
| 529 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 530 | void ModuleBitcodeWriter::writeAttributeGroupTable() { |
Bill Wendling | 92ed700 | 2013-02-11 22:33:26 +0000 | [diff] [blame] | 531 | const std::vector<AttributeSet> &AttrGrps = VE.getAttributeGroups(); |
| 532 | if (AttrGrps.empty()) return; |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 533 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 534 | Stream.EnterSubblock(bitc::PARAMATTR_GROUP_BLOCK_ID, 3); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 535 | |
| 536 | SmallVector<uint64_t, 64> Record; |
Bill Wendling | 92ed700 | 2013-02-11 22:33:26 +0000 | [diff] [blame] | 537 | for (unsigned i = 0, e = AttrGrps.size(); i != e; ++i) { |
| 538 | AttributeSet AS = AttrGrps[i]; |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 539 | for (unsigned i = 0, e = AS.getNumSlots(); i != e; ++i) { |
| 540 | AttributeSet A = AS.getSlotAttributes(i); |
| 541 | |
Bill Wendling | 92ed700 | 2013-02-11 22:33:26 +0000 | [diff] [blame] | 542 | Record.push_back(VE.getAttributeGroupID(A)); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 543 | Record.push_back(AS.getSlotIndex(i)); |
| 544 | |
| 545 | for (AttributeSet::iterator I = AS.begin(0), E = AS.end(0); |
| 546 | I != E; ++I) { |
| 547 | Attribute Attr = *I; |
| 548 | if (Attr.isEnumAttribute()) { |
| 549 | Record.push_back(0); |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 550 | Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); |
Hal Finkel | e15442c | 2014-07-18 06:51:55 +0000 | [diff] [blame] | 551 | } else if (Attr.isIntAttribute()) { |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 552 | Record.push_back(1); |
Tobias Grosser | 0a8e12f | 2013-07-26 04:16:55 +0000 | [diff] [blame] | 553 | Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 554 | Record.push_back(Attr.getValueAsInt()); |
| 555 | } else { |
| 556 | StringRef Kind = Attr.getKindAsString(); |
| 557 | StringRef Val = Attr.getValueAsString(); |
| 558 | |
| 559 | Record.push_back(Val.empty() ? 3 : 4); |
| 560 | Record.append(Kind.begin(), Kind.end()); |
| 561 | Record.push_back(0); |
| 562 | if (!Val.empty()) { |
| 563 | Record.append(Val.begin(), Val.end()); |
| 564 | Record.push_back(0); |
| 565 | } |
| 566 | } |
| 567 | } |
| 568 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 569 | Stream.EmitRecord(bitc::PARAMATTR_GRP_CODE_ENTRY, Record); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 570 | Record.clear(); |
| 571 | } |
| 572 | } |
| 573 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 574 | Stream.ExitBlock(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 575 | } |
| 576 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 577 | void ModuleBitcodeWriter::writeAttributeTable() { |
Bill Wendling | e94d843 | 2012-12-07 23:16:57 +0000 | [diff] [blame] | 578 | const std::vector<AttributeSet> &Attrs = VE.getAttributes(); |
Chris Lattner | e2f98ef | 2007-05-04 00:44:52 +0000 | [diff] [blame] | 579 | if (Attrs.empty()) return; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 580 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 581 | Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); |
Chris Lattner | e72bf9f | 2007-05-04 02:59:04 +0000 | [diff] [blame] | 582 | |
| 583 | SmallVector<uint64_t, 64> Record; |
| 584 | for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { |
Bill Wendling | e94d843 | 2012-12-07 23:16:57 +0000 | [diff] [blame] | 585 | const AttributeSet &A = Attrs[i]; |
Bill Wendling | 0dc0891 | 2013-02-12 08:13:50 +0000 | [diff] [blame] | 586 | for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) |
| 587 | Record.push_back(VE.getAttributeGroupID(A.getSlotAttributes(i))); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 588 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 589 | Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record); |
Chris Lattner | e72bf9f | 2007-05-04 02:59:04 +0000 | [diff] [blame] | 590 | Record.clear(); |
| 591 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 592 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 593 | Stream.ExitBlock(); |
Chris Lattner | e2f98ef | 2007-05-04 00:44:52 +0000 | [diff] [blame] | 594 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 595 | |
| 596 | /// WriteTypeTable - Write out the type table for a module. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 597 | void ModuleBitcodeWriter::writeTypeTable() { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 598 | const ValueEnumerator::TypeList &TypeList = VE.getTypes(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 599 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 600 | Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 601 | SmallVector<uint64_t, 64> TypeVals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 602 | |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 603 | uint64_t NumBits = VE.computeBitsRequiredForTypeIndicies(); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 604 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 605 | // Abbrev for TYPE_CODE_POINTER. |
| 606 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 607 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 608 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 609 | Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 610 | unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 611 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 612 | // Abbrev for TYPE_CODE_FUNCTION. |
| 613 | Abbv = new BitCodeAbbrev(); |
| 614 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION)); |
| 615 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 616 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 617 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 618 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 619 | unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 620 | |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 621 | // Abbrev for TYPE_CODE_STRUCT_ANON. |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 622 | Abbv = new BitCodeAbbrev(); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 623 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 624 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked |
| 625 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 626 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 627 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 628 | unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 629 | |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 630 | // Abbrev for TYPE_CODE_STRUCT_NAME. |
| 631 | Abbv = new BitCodeAbbrev(); |
| 632 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); |
| 633 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 634 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 635 | unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 636 | |
| 637 | // Abbrev for TYPE_CODE_STRUCT_NAMED. |
| 638 | Abbv = new BitCodeAbbrev(); |
| 639 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); |
| 640 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked |
| 641 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 642 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 643 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 644 | unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 645 | |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 646 | // Abbrev for TYPE_CODE_ARRAY. |
| 647 | Abbv = new BitCodeAbbrev(); |
| 648 | Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); |
| 649 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size |
Chad Rosier | 9646c0d | 2011-12-08 00:38:45 +0000 | [diff] [blame] | 650 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); |
| 651 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 652 | unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 653 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 654 | // Emit an entry count so the reader can reserve space. |
| 655 | TypeVals.push_back(TypeList.size()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 656 | Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 657 | TypeVals.clear(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 658 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 659 | // Loop over all of the types, emitting each in turn. |
| 660 | for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 661 | Type *T = TypeList[i]; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 662 | int AbbrevToUse = 0; |
| 663 | unsigned Code = 0; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 664 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 665 | switch (T->getTypeID()) { |
Joe Abbey | 2ad8df2 | 2012-11-25 15:23:39 +0000 | [diff] [blame] | 666 | case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; |
| 667 | case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; |
| 668 | case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; |
| 669 | case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; |
| 670 | case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; |
| 671 | case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; |
Dale Johannesen | ff4c3be | 2007-08-03 01:03:46 +0000 | [diff] [blame] | 672 | case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; |
Joe Abbey | 2ad8df2 | 2012-11-25 15:23:39 +0000 | [diff] [blame] | 673 | case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; |
| 674 | case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; |
| 675 | case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; |
David Majnemer | b611e3f | 2015-08-14 05:09:07 +0000 | [diff] [blame] | 676 | case Type::TokenTyID: Code = bitc::TYPE_CODE_TOKEN; break; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 677 | case Type::IntegerTyID: |
| 678 | // INTEGER: [width] |
| 679 | Code = bitc::TYPE_CODE_INTEGER; |
| 680 | TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); |
| 681 | break; |
Duncan Sands | f41217d | 2007-12-11 12:20:47 +0000 | [diff] [blame] | 682 | case Type::PointerTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 683 | PointerType *PTy = cast<PointerType>(T); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 684 | // POINTER: [pointee type, address space] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 685 | Code = bitc::TYPE_CODE_POINTER; |
Christopher Lamb | 54dd24c | 2007-12-11 08:59:05 +0000 | [diff] [blame] | 686 | TypeVals.push_back(VE.getTypeID(PTy->getElementType())); |
Christopher Lamb | 25f5076 | 2007-12-12 08:44:39 +0000 | [diff] [blame] | 687 | unsigned AddressSpace = PTy->getAddressSpace(); |
| 688 | TypeVals.push_back(AddressSpace); |
| 689 | if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 690 | break; |
Duncan Sands | f41217d | 2007-12-11 12:20:47 +0000 | [diff] [blame] | 691 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 692 | case Type::FunctionTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 693 | FunctionType *FT = cast<FunctionType>(T); |
Chad Rosier | 9589872 | 2011-11-03 00:14:01 +0000 | [diff] [blame] | 694 | // FUNCTION: [isvararg, retty, paramty x N] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 695 | Code = bitc::TYPE_CODE_FUNCTION; |
| 696 | TypeVals.push_back(FT->isVarArg()); |
| 697 | TypeVals.push_back(VE.getTypeID(FT->getReturnType())); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 698 | for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) |
| 699 | TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 700 | AbbrevToUse = FunctionAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 701 | break; |
| 702 | } |
| 703 | case Type::StructTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 704 | StructType *ST = cast<StructType>(T); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 705 | // STRUCT: [ispacked, eltty x N] |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 706 | TypeVals.push_back(ST->isPacked()); |
Chris Lattner | e14cb88 | 2007-05-04 19:11:41 +0000 | [diff] [blame] | 707 | // Output all of the element types. |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 708 | for (StructType::element_iterator I = ST->element_begin(), |
| 709 | E = ST->element_end(); I != E; ++I) |
| 710 | TypeVals.push_back(VE.getTypeID(*I)); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 711 | |
Chris Lattner | 335d399 | 2011-08-12 18:06:37 +0000 | [diff] [blame] | 712 | if (ST->isLiteral()) { |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 713 | Code = bitc::TYPE_CODE_STRUCT_ANON; |
| 714 | AbbrevToUse = StructAnonAbbrev; |
| 715 | } else { |
| 716 | if (ST->isOpaque()) { |
| 717 | Code = bitc::TYPE_CODE_OPAQUE; |
| 718 | } else { |
| 719 | Code = bitc::TYPE_CODE_STRUCT_NAMED; |
| 720 | AbbrevToUse = StructNamedAbbrev; |
| 721 | } |
| 722 | |
| 723 | // Emit the name if it is present. |
| 724 | if (!ST->getName().empty()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 725 | writeStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), |
| 726 | StructNameAbbrev); |
Chris Lattner | b1ed91f | 2011-07-09 17:41:24 +0000 | [diff] [blame] | 727 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 728 | break; |
| 729 | } |
| 730 | case Type::ArrayTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 731 | ArrayType *AT = cast<ArrayType>(T); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 732 | // ARRAY: [numelts, eltty] |
| 733 | Code = bitc::TYPE_CODE_ARRAY; |
| 734 | TypeVals.push_back(AT->getNumElements()); |
| 735 | TypeVals.push_back(VE.getTypeID(AT->getElementType())); |
Chris Lattner | ccee706 | 2007-05-05 06:30:12 +0000 | [diff] [blame] | 736 | AbbrevToUse = ArrayAbbrev; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 737 | break; |
| 738 | } |
| 739 | case Type::VectorTyID: { |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 740 | VectorType *VT = cast<VectorType>(T); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 741 | // VECTOR [numelts, eltty] |
| 742 | Code = bitc::TYPE_CODE_VECTOR; |
| 743 | TypeVals.push_back(VT->getNumElements()); |
| 744 | TypeVals.push_back(VE.getTypeID(VT->getElementType())); |
| 745 | break; |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 750 | Stream.EmitRecord(Code, TypeVals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 751 | TypeVals.clear(); |
| 752 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 753 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 754 | Stream.ExitBlock(); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 755 | } |
| 756 | |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 757 | static unsigned getEncodedLinkage(const GlobalValue::LinkageTypes Linkage) { |
| 758 | switch (Linkage) { |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 759 | case GlobalValue::ExternalLinkage: |
| 760 | return 0; |
| 761 | case GlobalValue::WeakAnyLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 762 | return 16; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 763 | case GlobalValue::AppendingLinkage: |
| 764 | return 2; |
| 765 | case GlobalValue::InternalLinkage: |
| 766 | return 3; |
| 767 | case GlobalValue::LinkOnceAnyLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 768 | return 18; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 769 | case GlobalValue::ExternalWeakLinkage: |
| 770 | return 7; |
| 771 | case GlobalValue::CommonLinkage: |
| 772 | return 8; |
| 773 | case GlobalValue::PrivateLinkage: |
| 774 | return 9; |
| 775 | case GlobalValue::WeakODRLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 776 | return 17; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 777 | case GlobalValue::LinkOnceODRLinkage: |
Rafael Espindola | 12ca34f | 2015-01-19 15:16:06 +0000 | [diff] [blame] | 778 | return 19; |
Rafael Espindola | 261d25b | 2015-01-08 16:25:01 +0000 | [diff] [blame] | 779 | case GlobalValue::AvailableExternallyLinkage: |
| 780 | return 12; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 781 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 782 | llvm_unreachable("Invalid linkage"); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 783 | } |
| 784 | |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 785 | static unsigned getEncodedLinkage(const GlobalValue &GV) { |
| 786 | return getEncodedLinkage(GV.getLinkage()); |
| 787 | } |
| 788 | |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 789 | static unsigned getEncodedVisibility(const GlobalValue &GV) { |
| 790 | switch (GV.getVisibility()) { |
Anton Korobeynikov | 31fc4f9 | 2007-04-29 20:56:48 +0000 | [diff] [blame] | 791 | case GlobalValue::DefaultVisibility: return 0; |
| 792 | case GlobalValue::HiddenVisibility: return 1; |
| 793 | case GlobalValue::ProtectedVisibility: return 2; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 794 | } |
Chandler Carruth | f3e8502 | 2012-01-10 18:08:01 +0000 | [diff] [blame] | 795 | llvm_unreachable("Invalid visibility"); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 796 | } |
| 797 | |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 798 | static unsigned getEncodedDLLStorageClass(const GlobalValue &GV) { |
| 799 | switch (GV.getDLLStorageClass()) { |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 800 | case GlobalValue::DefaultStorageClass: return 0; |
| 801 | case GlobalValue::DLLImportStorageClass: return 1; |
| 802 | case GlobalValue::DLLExportStorageClass: return 2; |
| 803 | } |
| 804 | llvm_unreachable("Invalid DLL storage class"); |
| 805 | } |
| 806 | |
Rafael Espindola | 59f7eba | 2014-05-28 18:15:43 +0000 | [diff] [blame] | 807 | static unsigned getEncodedThreadLocalMode(const GlobalValue &GV) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 808 | switch (GV.getThreadLocalMode()) { |
Hans Wennborg | cbe34b4 | 2012-06-23 11:37:03 +0000 | [diff] [blame] | 809 | case GlobalVariable::NotThreadLocal: return 0; |
| 810 | case GlobalVariable::GeneralDynamicTLSModel: return 1; |
| 811 | case GlobalVariable::LocalDynamicTLSModel: return 2; |
| 812 | case GlobalVariable::InitialExecTLSModel: return 3; |
| 813 | case GlobalVariable::LocalExecTLSModel: return 4; |
| 814 | } |
| 815 | llvm_unreachable("Invalid TLS model"); |
| 816 | } |
| 817 | |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 818 | static unsigned getEncodedComdatSelectionKind(const Comdat &C) { |
| 819 | switch (C.getSelectionKind()) { |
| 820 | case Comdat::Any: |
| 821 | return bitc::COMDAT_SELECTION_KIND_ANY; |
| 822 | case Comdat::ExactMatch: |
| 823 | return bitc::COMDAT_SELECTION_KIND_EXACT_MATCH; |
| 824 | case Comdat::Largest: |
| 825 | return bitc::COMDAT_SELECTION_KIND_LARGEST; |
| 826 | case Comdat::NoDuplicates: |
| 827 | return bitc::COMDAT_SELECTION_KIND_NO_DUPLICATES; |
| 828 | case Comdat::SameSize: |
| 829 | return bitc::COMDAT_SELECTION_KIND_SAME_SIZE; |
| 830 | } |
| 831 | llvm_unreachable("Invalid selection kind"); |
| 832 | } |
| 833 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 834 | void ModuleBitcodeWriter::writeComdats() { |
David Majnemer | 90a021f | 2016-03-13 08:01:03 +0000 | [diff] [blame] | 835 | SmallVector<unsigned, 64> Vals; |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 836 | for (const Comdat *C : VE.getComdats()) { |
| 837 | // COMDAT: [selection_kind, name] |
| 838 | Vals.push_back(getEncodedComdatSelectionKind(*C)); |
Rafael Espindola | 4e74d3b | 2015-01-14 18:25:45 +0000 | [diff] [blame] | 839 | size_t Size = C->getName().size(); |
David Majnemer | 90a021f | 2016-03-13 08:01:03 +0000 | [diff] [blame] | 840 | assert(isUInt<32>(Size)); |
Rafael Espindola | 4e74d3b | 2015-01-14 18:25:45 +0000 | [diff] [blame] | 841 | Vals.push_back(Size); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 842 | for (char Chr : C->getName()) |
| 843 | Vals.push_back((unsigned char)Chr); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 844 | Stream.EmitRecord(bitc::MODULE_CODE_COMDAT, Vals, /*AbbrevToUse=*/0); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 845 | Vals.clear(); |
| 846 | } |
| 847 | } |
| 848 | |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 849 | /// Write a record that will eventually hold the word offset of the |
| 850 | /// 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] | 851 | /// after the real VST is written. Saves the bit offset to backpatch. |
| 852 | void BitcodeWriter::writeValueSymbolTableForwardDecl() { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 853 | // Write a placeholder value in for the offset of the real VST, |
| 854 | // which is written after the function blocks so that it can include |
| 855 | // the offset of each function. The placeholder offset will be |
| 856 | // updated when the real VST is written. |
| 857 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 858 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_VSTOFFSET)); |
| 859 | // Blocks are 32-bit aligned, so we can use a 32-bit word offset to |
| 860 | // hold the real VST offset. Must use fixed instead of VBR as we don't |
| 861 | // know how many VBR chunks to reserve ahead of time. |
| 862 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 863 | unsigned VSTOffsetAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 864 | |
| 865 | // Emit the placeholder |
| 866 | uint64_t Vals[] = {bitc::MODULE_CODE_VSTOFFSET, 0}; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 867 | Stream.EmitRecordWithAbbrev(VSTOffsetAbbrev, Vals); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 868 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 869 | // Compute and save the bit offset to the placeholder, which will be |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 870 | // patched when the real VST is written. We can simply subtract the 32-bit |
| 871 | // 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^] | 872 | VSTOffsetPlaceholder = Stream.GetCurrentBitNo() - 32; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 873 | } |
| 874 | |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 875 | enum StringEncoding { SE_Char6, SE_Fixed7, SE_Fixed8 }; |
| 876 | |
| 877 | /// Determine the encoding to use for the given string name and length. |
| 878 | static StringEncoding getStringEncoding(const char *Str, unsigned StrLen) { |
| 879 | bool isChar6 = true; |
| 880 | for (const char *C = Str, *E = C + StrLen; C != E; ++C) { |
| 881 | if (isChar6) |
| 882 | isChar6 = BitCodeAbbrevOp::isChar6(*C); |
| 883 | if ((unsigned char)*C & 128) |
| 884 | // don't bother scanning the rest. |
| 885 | return SE_Fixed8; |
| 886 | } |
| 887 | if (isChar6) |
| 888 | return SE_Char6; |
| 889 | else |
| 890 | return SE_Fixed7; |
| 891 | } |
| 892 | |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 893 | /// Emit top-level description of module, including target triple, inline asm, |
| 894 | /// descriptors for global variables, and function prototype info. |
| 895 | /// 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] | 896 | void ModuleBitcodeWriter::writeModuleInfo() { |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 897 | // Emit various pieces of data attached to a module. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 898 | if (!M.getTargetTriple().empty()) |
| 899 | writeStringRecord(bitc::MODULE_CODE_TRIPLE, M.getTargetTriple(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 900 | 0 /*TODO*/); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 901 | const std::string &DL = M.getDataLayoutStr(); |
Rafael Espindola | f863ee2 | 2014-02-25 20:01:08 +0000 | [diff] [blame] | 902 | if (!DL.empty()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 903 | writeStringRecord(bitc::MODULE_CODE_DATALAYOUT, DL, 0 /*TODO*/); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 904 | if (!M.getModuleInlineAsm().empty()) |
| 905 | writeStringRecord(bitc::MODULE_CODE_ASM, M.getModuleInlineAsm(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 906 | 0 /*TODO*/); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 907 | |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 908 | // Emit information about sections and GC, computing how many there are. Also |
| 909 | // compute the maximum alignment value. |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 910 | std::map<std::string, unsigned> SectionMap; |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 911 | std::map<std::string, unsigned> GCMap; |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 912 | unsigned MaxAlignment = 0; |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 913 | unsigned MaxGlobalType = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 914 | for (const GlobalValue &GV : M.globals()) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 915 | MaxAlignment = std::max(MaxAlignment, GV.getAlignment()); |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 916 | MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV.getValueType())); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 917 | if (GV.hasSection()) { |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 918 | // Give section names unique ID's. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 919 | unsigned &Entry = SectionMap[GV.getSection()]; |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 920 | if (!Entry) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 921 | writeStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV.getSection(), |
| 922 | 0 /*TODO*/); |
Chad Rosier | 75ec09c | 2011-08-12 16:45:18 +0000 | [diff] [blame] | 923 | Entry = SectionMap.size(); |
| 924 | } |
| 925 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 926 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 927 | for (const Function &F : M) { |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 928 | MaxAlignment = std::max(MaxAlignment, F.getAlignment()); |
| 929 | if (F.hasSection()) { |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 930 | // Give section names unique ID's. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 931 | unsigned &Entry = SectionMap[F.getSection()]; |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 932 | if (!Entry) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 933 | writeStringRecord(bitc::MODULE_CODE_SECTIONNAME, F.getSection(), |
| 934 | 0 /*TODO*/); |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 935 | Entry = SectionMap.size(); |
| 936 | } |
| 937 | } |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 938 | if (F.hasGC()) { |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 939 | // Same for GC names. |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 940 | unsigned &Entry = GCMap[F.getGC()]; |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 941 | if (!Entry) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 942 | writeStringRecord(bitc::MODULE_CODE_GCNAME, F.getGC(), 0 /*TODO*/); |
Gordon Henriksen | d930f91 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 943 | Entry = GCMap.size(); |
Gordon Henriksen | 71183b6 | 2007-12-10 03:18:06 +0000 | [diff] [blame] | 944 | } |
| 945 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 946 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 947 | |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 948 | // Emit abbrev for globals, now that we know # sections and max alignment. |
| 949 | unsigned SimpleGVarAbbrev = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 950 | if (!M.global_empty()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 951 | // Add an abbrev for common globals with no visibility or thread localness. |
| 952 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 953 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 954 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 955 | Log2_32_Ceil(MaxGlobalType+1))); |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 956 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddrSpace << 2 |
| 957 | //| explicitType << 1 |
| 958 | //| constant |
| 959 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. |
| 960 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // Linkage. |
| 961 | if (MaxAlignment == 0) // Alignment. |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 962 | Abbv->Add(BitCodeAbbrevOp(0)); |
| 963 | else { |
| 964 | unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 965 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | b549137 | 2007-04-23 18:58:34 +0000 | [diff] [blame] | 966 | Log2_32_Ceil(MaxEncAlignment+1))); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 967 | } |
| 968 | if (SectionMap.empty()) // Section. |
| 969 | Abbv->Add(BitCodeAbbrevOp(0)); |
| 970 | else |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 971 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
Chris Lattner | 1e50c29 | 2007-04-24 03:29:47 +0000 | [diff] [blame] | 972 | Log2_32_Ceil(SectionMap.size()+1))); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 973 | // Don't bother emitting vis + thread local. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 974 | SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 975 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 976 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 977 | // Emit the global variable information. |
| 978 | SmallVector<unsigned, 64> Vals; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 979 | for (const GlobalVariable &GV : M.globals()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 980 | unsigned AbbrevToUse = 0; |
| 981 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 982 | // GLOBALVAR: [type, isconst, initid, |
Rafael Espindola | 45e6c19 | 2011-01-08 16:42:36 +0000 | [diff] [blame] | 983 | // linkage, alignment, section, visibility, threadlocal, |
Peter Collingbourne | 69ba016 | 2015-02-04 00:42:45 +0000 | [diff] [blame] | 984 | // unnamed_addr, externally_initialized, dllstorageclass, |
| 985 | // comdat] |
David Blaikie | 1a848da | 2015-04-27 19:58:56 +0000 | [diff] [blame] | 986 | Vals.push_back(VE.getTypeID(GV.getValueType())); |
| 987 | Vals.push_back(GV.getType()->getAddressSpace() << 2 | 2 | GV.isConstant()); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 988 | Vals.push_back(GV.isDeclaration() ? 0 : |
| 989 | (VE.getValueID(GV.getInitializer()) + 1)); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 990 | Vals.push_back(getEncodedLinkage(GV)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 991 | Vals.push_back(Log2_32(GV.getAlignment())+1); |
| 992 | Vals.push_back(GV.hasSection() ? SectionMap[GV.getSection()] : 0); |
| 993 | if (GV.isThreadLocal() || |
| 994 | GV.getVisibility() != GlobalValue::DefaultVisibility || |
| 995 | GV.hasUnnamedAddr() || GV.isExternallyInitialized() || |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 996 | GV.getDLLStorageClass() != GlobalValue::DefaultStorageClass || |
| 997 | GV.hasComdat()) { |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 998 | Vals.push_back(getEncodedVisibility(GV)); |
Hans Wennborg | cbe34b4 | 2012-06-23 11:37:03 +0000 | [diff] [blame] | 999 | Vals.push_back(getEncodedThreadLocalMode(GV)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1000 | Vals.push_back(GV.hasUnnamedAddr()); |
| 1001 | Vals.push_back(GV.isExternallyInitialized()); |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 1002 | Vals.push_back(getEncodedDLLStorageClass(GV)); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 1003 | Vals.push_back(GV.hasComdat() ? VE.getComdatID(GV.getComdat()) : 0); |
Chris Lattner | 4b00d92 | 2007-04-23 16:04:05 +0000 | [diff] [blame] | 1004 | } else { |
| 1005 | AbbrevToUse = SimpleGVarAbbrev; |
| 1006 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1007 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1008 | Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1009 | Vals.clear(); |
| 1010 | } |
| 1011 | |
| 1012 | // Emit the function proto information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1013 | for (const Function &F : M) { |
Chad Rosier | 42ee152 | 2011-12-07 23:57:55 +0000 | [diff] [blame] | 1014 | // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment, |
Peter Collingbourne | 51d2de7 | 2014-12-03 02:08:38 +0000 | [diff] [blame] | 1015 | // section, visibility, gc, unnamed_addr, prologuedata, |
David Majnemer | 7fddecc | 2015-06-17 20:52:32 +0000 | [diff] [blame] | 1016 | // dllstorageclass, comdat, prefixdata, personalityfn] |
David Blaikie | 561a157 | 2015-04-17 16:28:26 +0000 | [diff] [blame] | 1017 | Vals.push_back(VE.getTypeID(F.getFunctionType())); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1018 | Vals.push_back(F.getCallingConv()); |
| 1019 | Vals.push_back(F.isDeclaration()); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1020 | Vals.push_back(getEncodedLinkage(F)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1021 | Vals.push_back(VE.getAttributeID(F.getAttributes())); |
| 1022 | Vals.push_back(Log2_32(F.getAlignment())+1); |
| 1023 | Vals.push_back(F.hasSection() ? SectionMap[F.getSection()] : 0); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1024 | Vals.push_back(getEncodedVisibility(F)); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1025 | Vals.push_back(F.hasGC() ? GCMap[F.getGC()] : 0); |
| 1026 | Vals.push_back(F.hasUnnamedAddr()); |
Peter Collingbourne | 51d2de7 | 2014-12-03 02:08:38 +0000 | [diff] [blame] | 1027 | Vals.push_back(F.hasPrologueData() ? (VE.getValueID(F.getPrologueData()) + 1) |
| 1028 | : 0); |
Nico Rieck | 7157bb7 | 2014-01-14 15:22:47 +0000 | [diff] [blame] | 1029 | Vals.push_back(getEncodedDLLStorageClass(F)); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 1030 | Vals.push_back(F.hasComdat() ? VE.getComdatID(F.getComdat()) : 0); |
Peter Collingbourne | 51d2de7 | 2014-12-03 02:08:38 +0000 | [diff] [blame] | 1031 | Vals.push_back(F.hasPrefixData() ? (VE.getValueID(F.getPrefixData()) + 1) |
| 1032 | : 0); |
David Majnemer | 7fddecc | 2015-06-17 20:52:32 +0000 | [diff] [blame] | 1033 | Vals.push_back( |
| 1034 | F.hasPersonalityFn() ? (VE.getValueID(F.getPersonalityFn()) + 1) : 0); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1035 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1036 | unsigned AbbrevToUse = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1037 | Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1038 | Vals.clear(); |
| 1039 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1040 | |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1041 | // Emit the alias information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1042 | for (const GlobalAlias &A : M.aliases()) { |
Chad Rosier | a966c31 | 2011-12-08 00:11:31 +0000 | [diff] [blame] | 1043 | // ALIAS: [alias type, aliasee val#, linkage, visibility] |
David Blaikie | 6a51dbd | 2015-09-17 22:18:59 +0000 | [diff] [blame] | 1044 | Vals.push_back(VE.getTypeID(A.getValueType())); |
| 1045 | Vals.push_back(A.getType()->getAddressSpace()); |
Rafael Espindola | acef6c7 | 2014-05-26 13:38:51 +0000 | [diff] [blame] | 1046 | Vals.push_back(VE.getValueID(A.getAliasee())); |
| 1047 | Vals.push_back(getEncodedLinkage(A)); |
| 1048 | Vals.push_back(getEncodedVisibility(A)); |
| 1049 | Vals.push_back(getEncodedDLLStorageClass(A)); |
Rafael Espindola | 42a4c9f | 2014-06-06 01:20:28 +0000 | [diff] [blame] | 1050 | Vals.push_back(getEncodedThreadLocalMode(A)); |
| 1051 | Vals.push_back(A.hasUnnamedAddr()); |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1052 | unsigned AbbrevToUse = 0; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1053 | Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); |
Chris Lattner | 44c1707 | 2007-04-26 02:46:40 +0000 | [diff] [blame] | 1054 | Vals.clear(); |
| 1055 | } |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 1056 | |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1057 | // Emit the ifunc information. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1058 | for (const GlobalIFunc &I : M.ifuncs()) { |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1059 | // IFUNC: [ifunc type, address space, resolver val#, linkage, visibility] |
| 1060 | Vals.push_back(VE.getTypeID(I.getValueType())); |
| 1061 | Vals.push_back(I.getType()->getAddressSpace()); |
| 1062 | Vals.push_back(VE.getValueID(I.getResolver())); |
| 1063 | Vals.push_back(getEncodedLinkage(I)); |
| 1064 | Vals.push_back(getEncodedVisibility(I)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1065 | Stream.EmitRecord(bitc::MODULE_CODE_IFUNC, Vals); |
Dmitry Polukhin | a1feff7 | 2016-04-07 12:32:19 +0000 | [diff] [blame] | 1066 | Vals.clear(); |
| 1067 | } |
| 1068 | |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1069 | // Emit the module's source file name. |
| 1070 | { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1071 | StringEncoding Bits = getStringEncoding(M.getSourceFileName().data(), |
| 1072 | M.getSourceFileName().size()); |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1073 | BitCodeAbbrevOp AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8); |
| 1074 | if (Bits == SE_Char6) |
| 1075 | AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Char6); |
| 1076 | else if (Bits == SE_Fixed7) |
| 1077 | AbbrevOpToUse = BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7); |
| 1078 | |
| 1079 | // MODULE_CODE_SOURCE_FILENAME: [namechar x N] |
| 1080 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1081 | Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_SOURCE_FILENAME)); |
| 1082 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1083 | Abbv->Add(AbbrevOpToUse); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1084 | unsigned FilenameAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1085 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1086 | for (const auto P : M.getSourceFileName()) |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1087 | Vals.push_back((unsigned char)P); |
| 1088 | |
| 1089 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1090 | Stream.EmitRecord(bitc::MODULE_CODE_SOURCE_FILENAME, Vals, FilenameAbbrev); |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 1091 | Vals.clear(); |
| 1092 | } |
Teresa Johnson | d4d3dfd | 2015-11-20 14:51:27 +0000 | [diff] [blame] | 1093 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1094 | // If we have a VST, write the VSTOFFSET record placeholder. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1095 | if (M.getValueSymbolTable().empty()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1096 | return; |
| 1097 | writeValueSymbolTableForwardDecl(); |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1100 | static uint64_t getOptimizationFlags(const Value *V) { |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 1101 | uint64_t Flags = 0; |
| 1102 | |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1103 | if (const auto *OBO = dyn_cast<OverflowingBinaryOperator>(V)) { |
Dan Gohman | 16f5415 | 2009-08-20 17:11:38 +0000 | [diff] [blame] | 1104 | if (OBO->hasNoSignedWrap()) |
| 1105 | Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; |
| 1106 | if (OBO->hasNoUnsignedWrap()) |
| 1107 | Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1108 | } else if (const auto *PEO = dyn_cast<PossiblyExactOperator>(V)) { |
Chris Lattner | 35315d0 | 2011-02-06 21:44:57 +0000 | [diff] [blame] | 1109 | if (PEO->isExact()) |
| 1110 | Flags |= 1 << bitc::PEO_EXACT; |
Sanjay Patel | c00017d | 2014-10-15 17:45:13 +0000 | [diff] [blame] | 1111 | } else if (const auto *FPMO = dyn_cast<FPMathOperator>(V)) { |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1112 | if (FPMO->hasUnsafeAlgebra()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1113 | Flags |= FastMathFlags::UnsafeAlgebra; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1114 | if (FPMO->hasNoNaNs()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1115 | Flags |= FastMathFlags::NoNaNs; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1116 | if (FPMO->hasNoInfs()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1117 | Flags |= FastMathFlags::NoInfs; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1118 | if (FPMO->hasNoSignedZeros()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1119 | Flags |= FastMathFlags::NoSignedZeros; |
Michael Ilseman | 9978d7e | 2012-11-27 00:43:38 +0000 | [diff] [blame] | 1120 | if (FPMO->hasAllowReciprocal()) |
Michael Ilseman | 65f1435 | 2012-12-09 21:12:04 +0000 | [diff] [blame] | 1121 | Flags |= FastMathFlags::AllowReciprocal; |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 1122 | } |
| 1123 | |
| 1124 | return Flags; |
| 1125 | } |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 1126 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1127 | void ModuleBitcodeWriter::writeValueAsMetadata( |
| 1128 | const ValueAsMetadata *MD, SmallVectorImpl<uint64_t> &Record) { |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1129 | // Mimic an MDNode with a value as one operand. |
| 1130 | Value *V = MD->getValue(); |
| 1131 | Record.push_back(VE.getTypeID(V->getType())); |
| 1132 | Record.push_back(VE.getValueID(V)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1133 | Stream.EmitRecord(bitc::METADATA_VALUE, Record, 0); |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1134 | Record.clear(); |
| 1135 | } |
| 1136 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1137 | void ModuleBitcodeWriter::writeMDTuple(const MDTuple *N, |
| 1138 | SmallVectorImpl<uint64_t> &Record, |
| 1139 | unsigned Abbrev) { |
Chris Lattner | 9b49302 | 2009-12-31 01:22:29 +0000 | [diff] [blame] | 1140 | 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] | 1141 | Metadata *MD = N->getOperand(i); |
Duncan P. N. Exon Smith | 9a6f64e | 2015-01-20 01:00:23 +0000 | [diff] [blame] | 1142 | assert(!(MD && isa<LocalAsMetadata>(MD)) && |
| 1143 | "Unexpected function-local metadata"); |
| 1144 | Record.push_back(VE.getMetadataOrNullID(MD)); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1145 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1146 | Stream.EmitRecord(N->isDistinct() ? bitc::METADATA_DISTINCT_NODE |
| 1147 | : bitc::METADATA_NODE, |
| 1148 | Record, Abbrev); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1149 | Record.clear(); |
| 1150 | } |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 1151 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1152 | unsigned ModuleBitcodeWriter::createDILocationAbbrev() { |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1153 | // Assume the column is usually under 128, and always output the inlined-at |
| 1154 | // location (it's never more expensive than building an array size 1). |
| 1155 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1156 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_LOCATION)); |
| 1157 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1158 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1159 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 1160 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1161 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1162 | return Stream.EmitAbbrev(Abbv); |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1163 | } |
| 1164 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1165 | void ModuleBitcodeWriter::writeDILocation(const DILocation *N, |
| 1166 | SmallVectorImpl<uint64_t> &Record, |
| 1167 | unsigned &Abbrev) { |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1168 | if (!Abbrev) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1169 | Abbrev = createDILocationAbbrev(); |
Duncan P. N. Exon Smith | 625fda2 | 2016-03-24 16:25:51 +0000 | [diff] [blame] | 1170 | |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1171 | Record.push_back(N->isDistinct()); |
| 1172 | Record.push_back(N->getLine()); |
| 1173 | Record.push_back(N->getColumn()); |
| 1174 | Record.push_back(VE.getMetadataID(N->getScope())); |
Duncan P. N. Exon Smith | 9a6f64e | 2015-01-20 01:00:23 +0000 | [diff] [blame] | 1175 | Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt())); |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1176 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1177 | Stream.EmitRecord(bitc::METADATA_LOCATION, Record, Abbrev); |
Duncan P. N. Exon Smith | 6a48483 | 2015-01-13 21:10:44 +0000 | [diff] [blame] | 1178 | Record.clear(); |
| 1179 | } |
| 1180 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1181 | unsigned ModuleBitcodeWriter::createGenericDINodeAbbrev() { |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1182 | // Assume the column is usually under 128, and always output the inlined-at |
| 1183 | // location (it's never more expensive than building an array size 1). |
| 1184 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1185 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_GENERIC_DEBUG)); |
| 1186 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1187 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1188 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 1189 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
| 1190 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1191 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1192 | return Stream.EmitAbbrev(Abbv); |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1193 | } |
| 1194 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1195 | void ModuleBitcodeWriter::writeGenericDINode(const GenericDINode *N, |
| 1196 | SmallVectorImpl<uint64_t> &Record, |
| 1197 | unsigned &Abbrev) { |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1198 | if (!Abbrev) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1199 | Abbrev = createGenericDINodeAbbrev(); |
Duncan P. N. Exon Smith | a5e25a5 | 2016-03-24 16:30:18 +0000 | [diff] [blame] | 1200 | |
Duncan P. N. Exon Smith | 4e4aa70 | 2015-02-03 21:54:14 +0000 | [diff] [blame] | 1201 | Record.push_back(N->isDistinct()); |
| 1202 | Record.push_back(N->getTag()); |
| 1203 | Record.push_back(0); // Per-tag version field; unused for now. |
| 1204 | |
| 1205 | for (auto &I : N->operands()) |
| 1206 | Record.push_back(VE.getMetadataOrNullID(I)); |
| 1207 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1208 | Stream.EmitRecord(bitc::METADATA_GENERIC_DEBUG, Record, Abbrev); |
Duncan P. N. Exon Smith | 4e4aa70 | 2015-02-03 21:54:14 +0000 | [diff] [blame] | 1209 | Record.clear(); |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1210 | } |
| 1211 | |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1212 | static uint64_t rotateSign(int64_t I) { |
| 1213 | uint64_t U = I; |
| 1214 | return I < 0 ? ~(U << 1) : U << 1; |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1215 | } |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1216 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1217 | void ModuleBitcodeWriter::writeDISubrange(const DISubrange *N, |
| 1218 | SmallVectorImpl<uint64_t> &Record, |
| 1219 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1220 | Record.push_back(N->isDistinct()); |
| 1221 | Record.push_back(N->getCount()); |
Duncan P. N. Exon Smith | 5dcf621 | 2015-04-07 00:39:59 +0000 | [diff] [blame] | 1222 | Record.push_back(rotateSign(N->getLowerBound())); |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1223 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1224 | Stream.EmitRecord(bitc::METADATA_SUBRANGE, Record, Abbrev); |
Duncan P. N. Exon Smith | c7363f1 | 2015-02-13 01:10:38 +0000 | [diff] [blame] | 1225 | Record.clear(); |
| 1226 | } |
| 1227 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1228 | void ModuleBitcodeWriter::writeDIEnumerator(const DIEnumerator *N, |
| 1229 | SmallVectorImpl<uint64_t> &Record, |
| 1230 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1231 | Record.push_back(N->isDistinct()); |
| 1232 | Record.push_back(rotateSign(N->getValue())); |
| 1233 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1234 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1235 | Stream.EmitRecord(bitc::METADATA_ENUMERATOR, Record, Abbrev); |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1236 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1237 | } |
Duncan P. N. Exon Smith | 8775476 | 2015-02-13 01:14:11 +0000 | [diff] [blame] | 1238 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1239 | void ModuleBitcodeWriter::writeDIBasicType(const DIBasicType *N, |
| 1240 | SmallVectorImpl<uint64_t> &Record, |
| 1241 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1242 | Record.push_back(N->isDistinct()); |
| 1243 | Record.push_back(N->getTag()); |
| 1244 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1245 | Record.push_back(N->getSizeInBits()); |
| 1246 | Record.push_back(N->getAlignInBits()); |
| 1247 | Record.push_back(N->getEncoding()); |
| 1248 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1249 | Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1250 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1251 | } |
Duncan P. N. Exon Smith | 09e03f3 | 2015-02-13 01:14:58 +0000 | [diff] [blame] | 1252 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1253 | void ModuleBitcodeWriter::writeDIDerivedType(const DIDerivedType *N, |
| 1254 | SmallVectorImpl<uint64_t> &Record, |
| 1255 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1256 | Record.push_back(N->isDistinct()); |
| 1257 | Record.push_back(N->getTag()); |
| 1258 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1259 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1260 | Record.push_back(N->getLine()); |
| 1261 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
Duncan P. N. Exon Smith | ad6eb127 | 2015-02-20 03:17:58 +0000 | [diff] [blame] | 1262 | Record.push_back(VE.getMetadataOrNullID(N->getBaseType())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1263 | Record.push_back(N->getSizeInBits()); |
| 1264 | Record.push_back(N->getAlignInBits()); |
| 1265 | Record.push_back(N->getOffsetInBits()); |
| 1266 | Record.push_back(N->getFlags()); |
| 1267 | Record.push_back(VE.getMetadataOrNullID(N->getExtraData())); |
| 1268 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1269 | Stream.EmitRecord(bitc::METADATA_DERIVED_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1270 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1271 | } |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1272 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1273 | void ModuleBitcodeWriter::writeDICompositeType( |
| 1274 | const DICompositeType *N, SmallVectorImpl<uint64_t> &Record, |
| 1275 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1276 | Record.push_back(N->isDistinct()); |
| 1277 | Record.push_back(N->getTag()); |
| 1278 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1279 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1280 | Record.push_back(N->getLine()); |
| 1281 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1282 | Record.push_back(VE.getMetadataOrNullID(N->getBaseType())); |
| 1283 | Record.push_back(N->getSizeInBits()); |
| 1284 | Record.push_back(N->getAlignInBits()); |
| 1285 | Record.push_back(N->getOffsetInBits()); |
| 1286 | Record.push_back(N->getFlags()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1287 | Record.push_back(VE.getMetadataOrNullID(N->getElements().get())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1288 | Record.push_back(N->getRuntimeLang()); |
| 1289 | Record.push_back(VE.getMetadataOrNullID(N->getVTableHolder())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1290 | Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get())); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1291 | Record.push_back(VE.getMetadataOrNullID(N->getRawIdentifier())); |
| 1292 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1293 | Stream.EmitRecord(bitc::METADATA_COMPOSITE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1294 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1295 | } |
Duncan P. N. Exon Smith | 171d077 | 2015-02-13 01:20:38 +0000 | [diff] [blame] | 1296 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1297 | void ModuleBitcodeWriter::writeDISubroutineType( |
| 1298 | const DISubroutineType *N, SmallVectorImpl<uint64_t> &Record, |
| 1299 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1300 | Record.push_back(N->isDistinct()); |
| 1301 | Record.push_back(N->getFlags()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1302 | Record.push_back(VE.getMetadataOrNullID(N->getTypeArray().get())); |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1303 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1304 | Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 54e2bc6 | 2015-02-13 01:22:59 +0000 | [diff] [blame] | 1305 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1306 | } |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1307 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1308 | void ModuleBitcodeWriter::writeDIFile(const DIFile *N, |
| 1309 | SmallVectorImpl<uint64_t> &Record, |
| 1310 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1311 | Record.push_back(N->isDistinct()); |
| 1312 | Record.push_back(VE.getMetadataOrNullID(N->getRawFilename())); |
| 1313 | Record.push_back(VE.getMetadataOrNullID(N->getRawDirectory())); |
| 1314 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1315 | Stream.EmitRecord(bitc::METADATA_FILE, Record, Abbrev); |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1316 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1317 | } |
Duncan P. N. Exon Smith | f14b9c7 | 2015-02-13 01:19:14 +0000 | [diff] [blame] | 1318 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1319 | void ModuleBitcodeWriter::writeDICompileUnit(const DICompileUnit *N, |
| 1320 | SmallVectorImpl<uint64_t> &Record, |
| 1321 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 55ca964 | 2015-08-03 17:26:41 +0000 | [diff] [blame] | 1322 | assert(N->isDistinct() && "Expected distinct compile units"); |
| 1323 | Record.push_back(/* IsDistinct */ true); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1324 | Record.push_back(N->getSourceLanguage()); |
Duncan P. N. Exon Smith | ad6eb127 | 2015-02-20 03:17:58 +0000 | [diff] [blame] | 1325 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1326 | Record.push_back(VE.getMetadataOrNullID(N->getRawProducer())); |
| 1327 | Record.push_back(N->isOptimized()); |
| 1328 | Record.push_back(VE.getMetadataOrNullID(N->getRawFlags())); |
| 1329 | Record.push_back(N->getRuntimeVersion()); |
| 1330 | Record.push_back(VE.getMetadataOrNullID(N->getRawSplitDebugFilename())); |
| 1331 | Record.push_back(N->getEmissionKind()); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1332 | Record.push_back(VE.getMetadataOrNullID(N->getEnumTypes().get())); |
| 1333 | Record.push_back(VE.getMetadataOrNullID(N->getRetainedTypes().get())); |
Adrian Prantl | 75819ae | 2016-04-15 15:57:41 +0000 | [diff] [blame] | 1334 | Record.push_back(/* subprograms */ 0); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1335 | Record.push_back(VE.getMetadataOrNullID(N->getGlobalVariables().get())); |
| 1336 | Record.push_back(VE.getMetadataOrNullID(N->getImportedEntities().get())); |
Adrian Prantl | 1f599f9 | 2015-05-21 20:37:30 +0000 | [diff] [blame] | 1337 | Record.push_back(N->getDWOId()); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1338 | Record.push_back(VE.getMetadataOrNullID(N->getMacros().get())); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1339 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1340 | Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev); |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1341 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1342 | } |
Duncan P. N. Exon Smith | c1f1acc | 2015-02-13 01:25:10 +0000 | [diff] [blame] | 1343 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1344 | void ModuleBitcodeWriter::writeDISubprogram(const DISubprogram *N, |
| 1345 | SmallVectorImpl<uint64_t> &Record, |
| 1346 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1347 | Record.push_back(N->isDistinct()); |
| 1348 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1349 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1350 | Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName())); |
| 1351 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1352 | Record.push_back(N->getLine()); |
| 1353 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1354 | Record.push_back(N->isLocalToUnit()); |
| 1355 | Record.push_back(N->isDefinition()); |
| 1356 | Record.push_back(N->getScopeLine()); |
| 1357 | Record.push_back(VE.getMetadataOrNullID(N->getContainingType())); |
| 1358 | Record.push_back(N->getVirtuality()); |
| 1359 | Record.push_back(N->getVirtualIndex()); |
| 1360 | Record.push_back(N->getFlags()); |
| 1361 | Record.push_back(N->isOptimized()); |
Adrian Prantl | 75819ae | 2016-04-15 15:57:41 +0000 | [diff] [blame] | 1362 | Record.push_back(VE.getMetadataOrNullID(N->getRawUnit())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1363 | Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get())); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1364 | Record.push_back(VE.getMetadataOrNullID(N->getDeclaration())); |
Duncan P. N. Exon Smith | 1134473 | 2015-04-07 16:50:39 +0000 | [diff] [blame] | 1365 | Record.push_back(VE.getMetadataOrNullID(N->getVariables().get())); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1366 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1367 | Stream.EmitRecord(bitc::METADATA_SUBPROGRAM, Record, Abbrev); |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1368 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1369 | } |
Duncan P. N. Exon Smith | 19fc5ed | 2015-02-13 01:26:47 +0000 | [diff] [blame] | 1370 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1371 | void ModuleBitcodeWriter::writeDILexicalBlock(const DILexicalBlock *N, |
| 1372 | SmallVectorImpl<uint64_t> &Record, |
| 1373 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1374 | Record.push_back(N->isDistinct()); |
| 1375 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1376 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1377 | Record.push_back(N->getLine()); |
| 1378 | Record.push_back(N->getColumn()); |
| 1379 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1380 | Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK, Record, Abbrev); |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1381 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1382 | } |
Duncan P. N. Exon Smith | a96d409 | 2015-02-13 01:29:28 +0000 | [diff] [blame] | 1383 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1384 | void ModuleBitcodeWriter::writeDILexicalBlockFile( |
| 1385 | const DILexicalBlockFile *N, SmallVectorImpl<uint64_t> &Record, |
| 1386 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1387 | Record.push_back(N->isDistinct()); |
| 1388 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1389 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1390 | Record.push_back(N->getDiscriminator()); |
| 1391 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1392 | Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK_FILE, Record, Abbrev); |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1393 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1394 | } |
Duncan P. N. Exon Smith | 06a0702 | 2015-02-13 01:30:42 +0000 | [diff] [blame] | 1395 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1396 | void ModuleBitcodeWriter::writeDINamespace(const DINamespace *N, |
| 1397 | SmallVectorImpl<uint64_t> &Record, |
| 1398 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1399 | Record.push_back(N->isDistinct()); |
| 1400 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1401 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1402 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1403 | Record.push_back(N->getLine()); |
| 1404 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1405 | Stream.EmitRecord(bitc::METADATA_NAMESPACE, Record, Abbrev); |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1406 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1407 | } |
Duncan P. N. Exon Smith | e146000 | 2015-02-13 01:32:09 +0000 | [diff] [blame] | 1408 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1409 | void ModuleBitcodeWriter::writeDIMacro(const DIMacro *N, |
| 1410 | SmallVectorImpl<uint64_t> &Record, |
| 1411 | unsigned Abbrev) { |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1412 | Record.push_back(N->isDistinct()); |
| 1413 | Record.push_back(N->getMacinfoType()); |
| 1414 | Record.push_back(N->getLine()); |
| 1415 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1416 | Record.push_back(VE.getMetadataOrNullID(N->getRawValue())); |
| 1417 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1418 | Stream.EmitRecord(bitc::METADATA_MACRO, Record, Abbrev); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1419 | Record.clear(); |
| 1420 | } |
| 1421 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1422 | void ModuleBitcodeWriter::writeDIMacroFile(const DIMacroFile *N, |
| 1423 | SmallVectorImpl<uint64_t> &Record, |
| 1424 | unsigned Abbrev) { |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1425 | Record.push_back(N->isDistinct()); |
| 1426 | Record.push_back(N->getMacinfoType()); |
| 1427 | Record.push_back(N->getLine()); |
| 1428 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1429 | Record.push_back(VE.getMetadataOrNullID(N->getElements().get())); |
| 1430 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1431 | Stream.EmitRecord(bitc::METADATA_MACRO_FILE, Record, Abbrev); |
Amjad Aboud | a9bcf16 | 2015-12-10 12:56:35 +0000 | [diff] [blame] | 1432 | Record.clear(); |
| 1433 | } |
| 1434 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1435 | void ModuleBitcodeWriter::writeDIModule(const DIModule *N, |
| 1436 | SmallVectorImpl<uint64_t> &Record, |
| 1437 | unsigned Abbrev) { |
Adrian Prantl | ab1243f | 2015-06-29 23:03:47 +0000 | [diff] [blame] | 1438 | Record.push_back(N->isDistinct()); |
| 1439 | for (auto &I : N->operands()) |
| 1440 | Record.push_back(VE.getMetadataOrNullID(I)); |
| 1441 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1442 | Stream.EmitRecord(bitc::METADATA_MODULE, Record, Abbrev); |
Adrian Prantl | ab1243f | 2015-06-29 23:03:47 +0000 | [diff] [blame] | 1443 | Record.clear(); |
| 1444 | } |
| 1445 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1446 | void ModuleBitcodeWriter::writeDITemplateTypeParameter( |
| 1447 | const DITemplateTypeParameter *N, SmallVectorImpl<uint64_t> &Record, |
| 1448 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1449 | Record.push_back(N->isDistinct()); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1450 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1451 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1452 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1453 | Stream.EmitRecord(bitc::METADATA_TEMPLATE_TYPE, Record, Abbrev); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1454 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1455 | } |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1456 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1457 | void ModuleBitcodeWriter::writeDITemplateValueParameter( |
| 1458 | const DITemplateValueParameter *N, SmallVectorImpl<uint64_t> &Record, |
| 1459 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1460 | Record.push_back(N->isDistinct()); |
| 1461 | Record.push_back(N->getTag()); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1462 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1463 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1464 | Record.push_back(VE.getMetadataOrNullID(N->getValue())); |
| 1465 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1466 | Stream.EmitRecord(bitc::METADATA_TEMPLATE_VALUE, Record, Abbrev); |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1467 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1468 | } |
Duncan P. N. Exon Smith | 2847f38 | 2015-02-13 01:34:32 +0000 | [diff] [blame] | 1469 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1470 | void ModuleBitcodeWriter::writeDIGlobalVariable( |
| 1471 | const DIGlobalVariable *N, SmallVectorImpl<uint64_t> &Record, |
| 1472 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1473 | Record.push_back(N->isDistinct()); |
| 1474 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1475 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1476 | Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName())); |
| 1477 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1478 | Record.push_back(N->getLine()); |
| 1479 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1480 | Record.push_back(N->isLocalToUnit()); |
| 1481 | Record.push_back(N->isDefinition()); |
Duncan P. N. Exon Smith | 7ad0bd5 | 2015-04-11 20:27:40 +0000 | [diff] [blame] | 1482 | Record.push_back(VE.getMetadataOrNullID(N->getRawVariable())); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1483 | Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration())); |
| 1484 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1485 | Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR, Record, Abbrev); |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1486 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1487 | } |
Duncan P. N. Exon Smith | c8f810a | 2015-02-13 01:35:40 +0000 | [diff] [blame] | 1488 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1489 | void ModuleBitcodeWriter::writeDILocalVariable( |
| 1490 | const DILocalVariable *N, SmallVectorImpl<uint64_t> &Record, |
| 1491 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1492 | Record.push_back(N->isDistinct()); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1493 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1494 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1495 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1496 | Record.push_back(N->getLine()); |
| 1497 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1498 | Record.push_back(N->getArg()); |
| 1499 | Record.push_back(N->getFlags()); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1500 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1501 | Stream.EmitRecord(bitc::METADATA_LOCAL_VAR, Record, Abbrev); |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1502 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1503 | } |
Duncan P. N. Exon Smith | 72fe2d0 | 2015-02-13 01:39:44 +0000 | [diff] [blame] | 1504 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1505 | void ModuleBitcodeWriter::writeDIExpression(const DIExpression *N, |
| 1506 | SmallVectorImpl<uint64_t> &Record, |
| 1507 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1508 | Record.reserve(N->getElements().size() + 1); |
| 1509 | |
| 1510 | Record.push_back(N->isDistinct()); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 1511 | Record.append(N->elements_begin(), N->elements_end()); |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1512 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1513 | Stream.EmitRecord(bitc::METADATA_EXPRESSION, Record, Abbrev); |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1514 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1515 | } |
Duncan P. N. Exon Smith | 0c5c012 | 2015-02-13 01:42:09 +0000 | [diff] [blame] | 1516 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1517 | void ModuleBitcodeWriter::writeDIObjCProperty(const DIObjCProperty *N, |
| 1518 | SmallVectorImpl<uint64_t> &Record, |
| 1519 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1520 | Record.push_back(N->isDistinct()); |
| 1521 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1522 | Record.push_back(VE.getMetadataOrNullID(N->getFile())); |
| 1523 | Record.push_back(N->getLine()); |
| 1524 | Record.push_back(VE.getMetadataOrNullID(N->getRawSetterName())); |
| 1525 | Record.push_back(VE.getMetadataOrNullID(N->getRawGetterName())); |
| 1526 | Record.push_back(N->getAttributes()); |
| 1527 | Record.push_back(VE.getMetadataOrNullID(N->getType())); |
| 1528 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1529 | Stream.EmitRecord(bitc::METADATA_OBJC_PROPERTY, Record, Abbrev); |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1530 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1531 | } |
Duncan P. N. Exon Smith | d45ce96 | 2015-02-13 01:43:22 +0000 | [diff] [blame] | 1532 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1533 | void ModuleBitcodeWriter::writeDIImportedEntity( |
| 1534 | const DIImportedEntity *N, SmallVectorImpl<uint64_t> &Record, |
| 1535 | unsigned Abbrev) { |
Duncan P. N. Exon Smith | 1c93116 | 2015-02-13 01:46:02 +0000 | [diff] [blame] | 1536 | Record.push_back(N->isDistinct()); |
| 1537 | Record.push_back(N->getTag()); |
| 1538 | Record.push_back(VE.getMetadataOrNullID(N->getScope())); |
| 1539 | Record.push_back(VE.getMetadataOrNullID(N->getEntity())); |
| 1540 | Record.push_back(N->getLine()); |
| 1541 | Record.push_back(VE.getMetadataOrNullID(N->getRawName())); |
| 1542 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1543 | Stream.EmitRecord(bitc::METADATA_IMPORTED_ENTITY, Record, Abbrev); |
Duncan P. N. Exon Smith | 1c93116 | 2015-02-13 01:46:02 +0000 | [diff] [blame] | 1544 | Record.clear(); |
Duncan P. N. Exon Smith | 01fc176 | 2015-02-10 00:52:32 +0000 | [diff] [blame] | 1545 | } |
| 1546 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1547 | unsigned ModuleBitcodeWriter::createNamedMetadataAbbrev() { |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1548 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1549 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME)); |
| 1550 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1551 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1552 | return Stream.EmitAbbrev(Abbv); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1553 | } |
| 1554 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1555 | void ModuleBitcodeWriter::writeNamedMetadata( |
| 1556 | SmallVectorImpl<uint64_t> &Record) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1557 | if (M.named_metadata_empty()) |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1558 | return; |
| 1559 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1560 | unsigned Abbrev = createNamedMetadataAbbrev(); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1561 | for (const NamedMDNode &NMD : M.named_metadata()) { |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1562 | // Write name. |
| 1563 | StringRef Str = NMD.getName(); |
| 1564 | Record.append(Str.bytes_begin(), Str.bytes_end()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1565 | Stream.EmitRecord(bitc::METADATA_NAME, Record, Abbrev); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1566 | Record.clear(); |
| 1567 | |
| 1568 | // Write named metadata operands. |
| 1569 | for (const MDNode *N : NMD.operands()) |
| 1570 | Record.push_back(VE.getMetadataID(N)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1571 | Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); |
Duncan P. N. Exon Smith | f8ecdf5 | 2016-03-24 16:16:08 +0000 | [diff] [blame] | 1572 | Record.clear(); |
| 1573 | } |
| 1574 | } |
| 1575 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1576 | unsigned ModuleBitcodeWriter::createMetadataStringsAbbrev() { |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1577 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1578 | Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRINGS)); |
| 1579 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // # of strings |
| 1580 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // offset to chars |
| 1581 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1582 | return Stream.EmitAbbrev(Abbv); |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1583 | } |
| 1584 | |
| 1585 | /// Write out a record for MDString. |
| 1586 | /// |
| 1587 | /// All the metadata strings in a metadata block are emitted in a single |
| 1588 | /// record. The sizes and strings themselves are shoved into a blob. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1589 | void ModuleBitcodeWriter::writeMetadataStrings( |
| 1590 | ArrayRef<const Metadata *> Strings, SmallVectorImpl<uint64_t> &Record) { |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1591 | if (Strings.empty()) |
| 1592 | return; |
| 1593 | |
| 1594 | // Start the record with the number of strings. |
| 1595 | Record.push_back(bitc::METADATA_STRINGS); |
| 1596 | Record.push_back(Strings.size()); |
| 1597 | |
| 1598 | // Emit the sizes of the strings in the blob. |
| 1599 | SmallString<256> Blob; |
| 1600 | { |
| 1601 | BitstreamWriter W(Blob); |
| 1602 | for (const Metadata *MD : Strings) |
| 1603 | W.EmitVBR(cast<MDString>(MD)->getLength(), 6); |
| 1604 | W.FlushToWord(); |
| 1605 | } |
| 1606 | |
| 1607 | // Add the offset to the strings to the record. |
| 1608 | Record.push_back(Blob.size()); |
| 1609 | |
| 1610 | // Add the strings to the blob. |
| 1611 | for (const Metadata *MD : Strings) |
| 1612 | Blob.append(cast<MDString>(MD)->getString()); |
| 1613 | |
| 1614 | // Emit the final record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1615 | Stream.EmitRecordWithBlob(createMetadataStringsAbbrev(), Record, Blob); |
Duncan P. N. Exon Smith | 6565a0d | 2016-03-27 23:17:54 +0000 | [diff] [blame] | 1616 | Record.clear(); |
| 1617 | } |
| 1618 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1619 | void ModuleBitcodeWriter::writeMetadataRecords( |
| 1620 | ArrayRef<const Metadata *> MDs, SmallVectorImpl<uint64_t> &Record) { |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1621 | if (MDs.empty()) |
Duncan P. N. Exon Smith | 2fcf60e | 2015-01-12 22:30:34 +0000 | [diff] [blame] | 1622 | return; |
| 1623 | |
Duncan P. N. Exon Smith | 6b7b680 | 2015-02-04 21:54:12 +0000 | [diff] [blame] | 1624 | // Initialize MDNode abbreviations. |
| 1625 | #define HANDLE_MDNODE_LEAF(CLASS) unsigned CLASS##Abbrev = 0; |
| 1626 | #include "llvm/IR/Metadata.def" |
| 1627 | |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1628 | for (const Metadata *MD : MDs) { |
Duncan P. N. Exon Smith | 73d5aae | 2015-01-12 22:31:35 +0000 | [diff] [blame] | 1629 | if (const MDNode *N = dyn_cast<MDNode>(MD)) { |
Duncan P. N. Exon Smith | 79f8d11 | 2015-03-17 00:16:35 +0000 | [diff] [blame] | 1630 | assert(N->isResolved() && "Expected forward references to be resolved"); |
| 1631 | |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1632 | switch (N->getMetadataID()) { |
| 1633 | default: |
| 1634 | llvm_unreachable("Invalid MDNode subclass"); |
| 1635 | #define HANDLE_MDNODE_LEAF(CLASS) \ |
| 1636 | case Metadata::CLASS##Kind: \ |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1637 | write##CLASS(cast<CLASS>(N), Record, CLASS##Abbrev); \ |
Duncan P. N. Exon Smith | db6bc8b | 2015-01-20 01:03:09 +0000 | [diff] [blame] | 1638 | continue; |
| 1639 | #include "llvm/IR/Metadata.def" |
| 1640 | } |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1641 | } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1642 | writeValueAsMetadata(cast<ValueAsMetadata>(MD), Record); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1643 | } |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1644 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1645 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1646 | void ModuleBitcodeWriter::writeModuleMetadata() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1647 | if (!VE.hasMDs() && M.named_metadata_empty()) |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1648 | return; |
| 1649 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1650 | Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); |
Duncan P. N. Exon Smith | 80d153f | 2016-03-27 23:53:30 +0000 | [diff] [blame] | 1651 | SmallVector<uint64_t, 64> Record; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1652 | writeMetadataStrings(VE.getMDStrings(), Record); |
| 1653 | writeMetadataRecords(VE.getNonMDStrings(), Record); |
| 1654 | writeNamedMetadata(Record); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1655 | Stream.ExitBlock(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1656 | } |
| 1657 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1658 | void ModuleBitcodeWriter::writeFunctionMetadata(const Function &F) { |
Duncan P. N. Exon Smith | 9342911 | 2016-04-02 15:09:42 +0000 | [diff] [blame] | 1659 | if (!VE.hasMDs()) |
Duncan P. N. Exon Smith | 5465f0a | 2016-03-27 23:38:36 +0000 | [diff] [blame] | 1660 | return; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1661 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1662 | Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); |
Duncan P. N. Exon Smith | 5465f0a | 2016-03-27 23:38:36 +0000 | [diff] [blame] | 1663 | SmallVector<uint64_t, 64> Record; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1664 | writeMetadataStrings(VE.getMDStrings(), Record); |
| 1665 | writeMetadataRecords(VE.getNonMDStrings(), Record); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1666 | Stream.ExitBlock(); |
Victor Hernandez | b00a6be | 2010-01-13 19:37:33 +0000 | [diff] [blame] | 1667 | } |
| 1668 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1669 | void ModuleBitcodeWriter::writeMetadataAttachment(const Function &F) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1670 | Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 1671 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1672 | SmallVector<uint64_t, 64> Record; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1673 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1674 | // Write metadata attachments |
Chris Lattner | bb95d5e | 2011-06-17 17:56:00 +0000 | [diff] [blame] | 1675 | // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] |
Duncan P. N. Exon Smith | de36e80 | 2014-11-11 21:30:22 +0000 | [diff] [blame] | 1676 | SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; |
Duncan P. N. Exon Smith | 3d4cd75 | 2015-04-24 22:04:41 +0000 | [diff] [blame] | 1677 | F.getAllMetadata(MDs); |
| 1678 | if (!MDs.empty()) { |
| 1679 | for (const auto &I : MDs) { |
| 1680 | Record.push_back(I.first); |
| 1681 | Record.push_back(VE.getMetadataID(I.second)); |
| 1682 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1683 | Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); |
Duncan P. N. Exon Smith | 3d4cd75 | 2015-04-24 22:04:41 +0000 | [diff] [blame] | 1684 | Record.clear(); |
| 1685 | } |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1686 | |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1687 | for (const BasicBlock &BB : F) |
| 1688 | for (const Instruction &I : BB) { |
Devang Patel | 6da5dbf | 2009-10-22 18:55:16 +0000 | [diff] [blame] | 1689 | MDs.clear(); |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1690 | I.getAllMetadataOtherThanDebugLoc(MDs); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1691 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1692 | // If no metadata, ignore instruction. |
| 1693 | if (MDs.empty()) continue; |
| 1694 | |
Duncan P. N. Exon Smith | 584af87 | 2015-10-13 03:26:19 +0000 | [diff] [blame] | 1695 | Record.push_back(VE.getInstructionID(&I)); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1696 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1697 | for (unsigned i = 0, e = MDs.size(); i != e; ++i) { |
| 1698 | Record.push_back(MDs[i].first); |
Duncan P. N. Exon Smith | 5bf8fef | 2014-12-09 18:38:53 +0000 | [diff] [blame] | 1699 | Record.push_back(VE.getMetadataID(MDs[i].second)); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1700 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1701 | Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 1702 | Record.clear(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1703 | } |
| 1704 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1705 | Stream.ExitBlock(); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1706 | } |
| 1707 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1708 | void ModuleBitcodeWriter::writeModuleMetadataStore() { |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1709 | SmallVector<uint64_t, 64> Record; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1710 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1711 | // Write metadata kinds |
| 1712 | // METADATA_KIND - [n x [id, name]] |
Michael Ilseman | 979dfbb | 2012-12-03 22:57:47 +0000 | [diff] [blame] | 1713 | SmallVector<StringRef, 8> Names; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1714 | M.getMDKindNames(Names); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1715 | |
Dan Gohman | 43aa8f0 | 2010-07-20 21:42:28 +0000 | [diff] [blame] | 1716 | if (Names.empty()) return; |
Chris Lattner | c9558df | 2009-12-28 20:10:43 +0000 | [diff] [blame] | 1717 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1718 | Stream.EnterSubblock(bitc::METADATA_KIND_BLOCK_ID, 3); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1719 | |
Dan Gohman | 43aa8f0 | 2010-07-20 21:42:28 +0000 | [diff] [blame] | 1720 | for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { |
Chris Lattner | c9558df | 2009-12-28 20:10:43 +0000 | [diff] [blame] | 1721 | Record.push_back(MDKindID); |
| 1722 | StringRef KName = Names[MDKindID]; |
| 1723 | Record.append(KName.begin(), KName.end()); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1724 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1725 | Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 1726 | Record.clear(); |
| 1727 | } |
| 1728 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1729 | Stream.ExitBlock(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1730 | } |
| 1731 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1732 | void ModuleBitcodeWriter::writeOperandBundleTags() { |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 1733 | // Write metadata kinds |
| 1734 | // |
| 1735 | // OPERAND_BUNDLE_TAGS_BLOCK_ID : N x OPERAND_BUNDLE_TAG |
| 1736 | // |
| 1737 | // OPERAND_BUNDLE_TAG - [strchr x N] |
| 1738 | |
| 1739 | SmallVector<StringRef, 8> Tags; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1740 | M.getOperandBundleTags(Tags); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 1741 | |
| 1742 | if (Tags.empty()) |
| 1743 | return; |
| 1744 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1745 | Stream.EnterSubblock(bitc::OPERAND_BUNDLE_TAGS_BLOCK_ID, 3); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 1746 | |
| 1747 | SmallVector<uint64_t, 64> Record; |
| 1748 | |
| 1749 | for (auto Tag : Tags) { |
| 1750 | Record.append(Tag.begin(), Tag.end()); |
| 1751 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1752 | Stream.EmitRecord(bitc::OPERAND_BUNDLE_TAG, Record, 0); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 1753 | Record.clear(); |
| 1754 | } |
| 1755 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1756 | Stream.ExitBlock(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 1757 | } |
| 1758 | |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 1759 | static void emitSignedInt64(SmallVectorImpl<uint64_t> &Vals, uint64_t V) { |
| 1760 | if ((int64_t)V >= 0) |
| 1761 | Vals.push_back(V << 1); |
| 1762 | else |
| 1763 | Vals.push_back((-V << 1) | 1); |
| 1764 | } |
| 1765 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1766 | void ModuleBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal, |
| 1767 | bool isGlobal) { |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1768 | if (FirstVal == LastVal) return; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1769 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1770 | Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1771 | |
| 1772 | unsigned AggregateAbbrev = 0; |
| 1773 | unsigned String8Abbrev = 0; |
| 1774 | unsigned CString7Abbrev = 0; |
| 1775 | unsigned CString6Abbrev = 0; |
| 1776 | // If this is a constant pool for the module, emit module-specific abbrevs. |
| 1777 | if (isGlobal) { |
| 1778 | // Abbrev for CST_CODE_AGGREGATE. |
| 1779 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 1780 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); |
| 1781 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1782 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1783 | AggregateAbbrev = Stream.EmitAbbrev(Abbv); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1784 | |
| 1785 | // Abbrev for CST_CODE_STRING. |
| 1786 | Abbv = new BitCodeAbbrev(); |
| 1787 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); |
| 1788 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1789 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1790 | String8Abbrev = Stream.EmitAbbrev(Abbv); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1791 | // Abbrev for CST_CODE_CSTRING. |
| 1792 | Abbv = new BitCodeAbbrev(); |
| 1793 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); |
| 1794 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1795 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1796 | CString7Abbrev = Stream.EmitAbbrev(Abbv); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1797 | // Abbrev for CST_CODE_CSTRING. |
| 1798 | Abbv = new BitCodeAbbrev(); |
| 1799 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); |
| 1800 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 1801 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1802 | CString6Abbrev = Stream.EmitAbbrev(Abbv); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1803 | } |
| 1804 | |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1805 | SmallVector<uint64_t, 64> Record; |
| 1806 | |
| 1807 | const ValueEnumerator::ValueList &Vals = VE.getValues(); |
Craig Topper | 2617dcc | 2014-04-15 06:32:26 +0000 | [diff] [blame] | 1808 | Type *LastTy = nullptr; |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 1809 | for (unsigned i = FirstVal; i != LastVal; ++i) { |
| 1810 | const Value *V = Vals[i].first; |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1811 | // If we need to switch types, do so now. |
| 1812 | if (V->getType() != LastTy) { |
| 1813 | LastTy = V->getType(); |
| 1814 | Record.push_back(VE.getTypeID(LastTy)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1815 | Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, |
| 1816 | CONSTANTS_SETTYPE_ABBREV); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1817 | Record.clear(); |
| 1818 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1819 | |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1820 | if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { |
Dale Johannesen | fd04c74 | 2009-10-13 20:46:56 +0000 | [diff] [blame] | 1821 | Record.push_back(unsigned(IA->hasSideEffects()) | |
Chad Rosier | 18fcdcf | 2012-09-05 00:56:20 +0000 | [diff] [blame] | 1822 | unsigned(IA->isAlignStack()) << 1 | |
| 1823 | unsigned(IA->getDialect()&1) << 2); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1824 | |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 1825 | // Add the asm string. |
| 1826 | const std::string &AsmStr = IA->getAsmString(); |
| 1827 | Record.push_back(AsmStr.size()); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 1828 | Record.append(AsmStr.begin(), AsmStr.end()); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 1829 | |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 1830 | // Add the constraint string. |
| 1831 | const std::string &ConstraintStr = IA->getConstraintString(); |
| 1832 | Record.push_back(ConstraintStr.size()); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 1833 | Record.append(ConstraintStr.begin(), ConstraintStr.end()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 1834 | Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); |
Chris Lattner | af8fffc | 2007-05-06 01:58:20 +0000 | [diff] [blame] | 1835 | Record.clear(); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1836 | continue; |
| 1837 | } |
| 1838 | const Constant *C = cast<Constant>(V); |
| 1839 | unsigned Code = -1U; |
| 1840 | unsigned AbbrevToUse = 0; |
| 1841 | if (C->isNullValue()) { |
| 1842 | Code = bitc::CST_CODE_NULL; |
| 1843 | } else if (isa<UndefValue>(C)) { |
| 1844 | Code = bitc::CST_CODE_UNDEF; |
| 1845 | } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 1846 | if (IV->getBitWidth() <= 64) { |
| 1847 | uint64_t V = IV->getSExtValue(); |
| 1848 | emitSignedInt64(Record, V); |
| 1849 | Code = bitc::CST_CODE_INTEGER; |
| 1850 | AbbrevToUse = CONSTANTS_INTEGER_ABBREV; |
| 1851 | } else { // Wide integers, > 64 bits in size. |
| 1852 | // We have an arbitrary precision integer value to write whose |
| 1853 | // bit width is > 64. However, in canonical unsigned integer |
| 1854 | // format it is likely that the high bits are going to be zero. |
| 1855 | // So, we only write the number of active words. |
| 1856 | unsigned NWords = IV->getValue().getActiveWords(); |
| 1857 | const uint64_t *RawWords = IV->getValue().getRawData(); |
| 1858 | for (unsigned i = 0; i != NWords; ++i) { |
| 1859 | emitSignedInt64(Record, RawWords[i]); |
| 1860 | } |
| 1861 | Code = bitc::CST_CODE_WIDE_INTEGER; |
| 1862 | } |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1863 | } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { |
| 1864 | Code = bitc::CST_CODE_FLOAT; |
Chris Lattner | 229907c | 2011-07-18 04:54:35 +0000 | [diff] [blame] | 1865 | Type *Ty = CFP->getType(); |
Dan Gohman | 518cda4 | 2011-12-17 00:04:22 +0000 | [diff] [blame] | 1866 | if (Ty->isHalfTy() || Ty->isFloatTy() || Ty->isDoubleTy()) { |
Dale Johannesen | 54306fe | 2008-10-09 18:53:47 +0000 | [diff] [blame] | 1867 | Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); |
Chris Lattner | fdd8790 | 2009-10-05 05:54:46 +0000 | [diff] [blame] | 1868 | } else if (Ty->isX86_FP80Ty()) { |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 1869 | // api needed to prevent premature destruction |
Dale Johannesen | 93eefa0 | 2009-03-23 21:16:53 +0000 | [diff] [blame] | 1870 | // 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] | 1871 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 1872 | const uint64_t *p = api.getRawData(); |
Dale Johannesen | 93eefa0 | 2009-03-23 21:16:53 +0000 | [diff] [blame] | 1873 | Record.push_back((p[1] << 48) | (p[0] >> 16)); |
| 1874 | Record.push_back(p[0] & 0xffffLL); |
Chris Lattner | fdd8790 | 2009-10-05 05:54:46 +0000 | [diff] [blame] | 1875 | } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { |
Dale Johannesen | 54306fe | 2008-10-09 18:53:47 +0000 | [diff] [blame] | 1876 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
Dale Johannesen | 34aa41c | 2007-09-26 23:20:33 +0000 | [diff] [blame] | 1877 | const uint64_t *p = api.getRawData(); |
Dale Johannesen | 245dceb | 2007-09-11 18:32:33 +0000 | [diff] [blame] | 1878 | Record.push_back(p[0]); |
| 1879 | Record.push_back(p[1]); |
Dale Johannesen | bdad809 | 2007-08-09 22:51:36 +0000 | [diff] [blame] | 1880 | } else { |
| 1881 | assert (0 && "Unknown FP type!"); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1882 | } |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1883 | } else if (isa<ConstantDataSequential>(C) && |
| 1884 | cast<ConstantDataSequential>(C)->isString()) { |
| 1885 | const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); |
| 1886 | // Emit constant strings specially. |
| 1887 | unsigned NumElts = Str->getNumElements(); |
| 1888 | // If this is a null-terminated string, use the denser CSTRING encoding. |
| 1889 | if (Str->isCString()) { |
| 1890 | Code = bitc::CST_CODE_CSTRING; |
| 1891 | --NumElts; // Don't encode the null, which isn't allowed by char6. |
| 1892 | } else { |
| 1893 | Code = bitc::CST_CODE_STRING; |
| 1894 | AbbrevToUse = String8Abbrev; |
| 1895 | } |
| 1896 | bool isCStr7 = Code == bitc::CST_CODE_CSTRING; |
| 1897 | bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; |
| 1898 | for (unsigned i = 0; i != NumElts; ++i) { |
| 1899 | unsigned char V = Str->getElementAsInteger(i); |
| 1900 | Record.push_back(V); |
| 1901 | isCStr7 &= (V & 128) == 0; |
| 1902 | if (isCStrChar6) |
| 1903 | isCStrChar6 = BitCodeAbbrevOp::isChar6(V); |
| 1904 | } |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1905 | |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1906 | if (isCStrChar6) |
| 1907 | AbbrevToUse = CString6Abbrev; |
| 1908 | else if (isCStr7) |
| 1909 | AbbrevToUse = CString7Abbrev; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 1910 | } else if (const ConstantDataSequential *CDS = |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1911 | dyn_cast<ConstantDataSequential>(C)) { |
Chris Lattner | 5d91707 | 2012-01-30 07:36:01 +0000 | [diff] [blame] | 1912 | Code = bitc::CST_CODE_DATA; |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1913 | Type *EltTy = CDS->getType()->getElementType(); |
| 1914 | if (isa<IntegerType>(EltTy)) { |
| 1915 | for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) |
| 1916 | Record.push_back(CDS->getElementAsInteger(i)); |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1917 | } else { |
Justin Bogner | a43eacb | 2016-01-06 22:31:32 +0000 | [diff] [blame] | 1918 | for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) |
| 1919 | Record.push_back( |
| 1920 | CDS->getElementAsAPFloat(i).bitcastToAPInt().getLimitedValue()); |
Chris Lattner | 372dd1e | 2012-01-30 00:51:16 +0000 | [diff] [blame] | 1921 | } |
Duncan P. N. Exon Smith | 1de3c7e | 2016-04-05 21:10:45 +0000 | [diff] [blame] | 1922 | } else if (isa<ConstantAggregate>(C)) { |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1923 | Code = bitc::CST_CODE_AGGREGATE; |
Pete Cooper | 125ad17 | 2015-06-25 20:51:38 +0000 | [diff] [blame] | 1924 | for (const Value *Op : C->operands()) |
| 1925 | Record.push_back(VE.getValueID(Op)); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 1926 | AbbrevToUse = AggregateAbbrev; |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 1927 | } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1928 | switch (CE->getOpcode()) { |
| 1929 | default: |
| 1930 | if (Instruction::isCast(CE->getOpcode())) { |
| 1931 | Code = bitc::CST_CODE_CE_CAST; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1932 | Record.push_back(getEncodedCastOpcode(CE->getOpcode())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1933 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 1934 | Record.push_back(VE.getValueID(C->getOperand(0))); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 1935 | AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1936 | } else { |
| 1937 | assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); |
| 1938 | Code = bitc::CST_CODE_CE_BINOP; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1939 | Record.push_back(getEncodedBinaryOpcode(CE->getOpcode())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1940 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 1941 | Record.push_back(VE.getValueID(C->getOperand(1))); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 1942 | uint64_t Flags = getOptimizationFlags(CE); |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 1943 | if (Flags != 0) |
| 1944 | Record.push_back(Flags); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1945 | } |
| 1946 | break; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 1947 | case Instruction::GetElementPtr: { |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1948 | Code = bitc::CST_CODE_CE_GEP; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 1949 | const auto *GO = cast<GEPOperator>(C); |
| 1950 | if (GO->isInBounds()) |
Dan Gohman | 1639c39 | 2009-07-27 21:53:46 +0000 | [diff] [blame] | 1951 | Code = bitc::CST_CODE_CE_INBOUNDS_GEP; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 1952 | Record.push_back(VE.getTypeID(GO->getSourceElementType())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1953 | for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { |
| 1954 | Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); |
| 1955 | Record.push_back(VE.getValueID(C->getOperand(i))); |
| 1956 | } |
| 1957 | break; |
David Blaikie | b926357 | 2015-03-13 21:03:36 +0000 | [diff] [blame] | 1958 | } |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1959 | case Instruction::Select: |
| 1960 | Code = bitc::CST_CODE_CE_SELECT; |
| 1961 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 1962 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 1963 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 1964 | break; |
| 1965 | case Instruction::ExtractElement: |
| 1966 | Code = bitc::CST_CODE_CE_EXTRACTELT; |
| 1967 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 1968 | Record.push_back(VE.getValueID(C->getOperand(0))); |
Michael J. Spencer | 1f10c5ea | 2014-05-01 22:12:39 +0000 | [diff] [blame] | 1969 | Record.push_back(VE.getTypeID(C->getOperand(1)->getType())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1970 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 1971 | break; |
| 1972 | case Instruction::InsertElement: |
| 1973 | Code = bitc::CST_CODE_CE_INSERTELT; |
| 1974 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 1975 | Record.push_back(VE.getValueID(C->getOperand(1))); |
Michael J. Spencer | 1f10c5ea | 2014-05-01 22:12:39 +0000 | [diff] [blame] | 1976 | Record.push_back(VE.getTypeID(C->getOperand(2)->getType())); |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1977 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 1978 | break; |
| 1979 | case Instruction::ShuffleVector: |
Nate Begeman | 94aa38d | 2009-02-12 21:28:33 +0000 | [diff] [blame] | 1980 | // If the return type and argument types are the same, this is a |
| 1981 | // standard shufflevector instruction. If the types are different, |
| 1982 | // then the shuffle is widening or truncating the input vectors, and |
| 1983 | // the argument type must also be encoded. |
| 1984 | if (C->getType() == C->getOperand(0)->getType()) { |
| 1985 | Code = bitc::CST_CODE_CE_SHUFFLEVEC; |
| 1986 | } else { |
| 1987 | Code = bitc::CST_CODE_CE_SHUFVEC_EX; |
| 1988 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 1989 | } |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1990 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 1991 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 1992 | Record.push_back(VE.getValueID(C->getOperand(2))); |
| 1993 | break; |
| 1994 | case Instruction::ICmp: |
| 1995 | case Instruction::FCmp: |
Nick Lewycky | a21d3da | 2009-07-08 03:04:38 +0000 | [diff] [blame] | 1996 | Code = bitc::CST_CODE_CE_CMP; |
Chris Lattner | 1e16bcf7 | 2007-04-24 07:07:11 +0000 | [diff] [blame] | 1997 | Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); |
| 1998 | Record.push_back(VE.getValueID(C->getOperand(0))); |
| 1999 | Record.push_back(VE.getValueID(C->getOperand(1))); |
| 2000 | Record.push_back(CE->getPredicate()); |
| 2001 | break; |
| 2002 | } |
Chris Lattner | f540d74 | 2009-10-28 05:24:40 +0000 | [diff] [blame] | 2003 | } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { |
Chris Lattner | f540d74 | 2009-10-28 05:24:40 +0000 | [diff] [blame] | 2004 | Code = bitc::CST_CODE_BLOCKADDRESS; |
| 2005 | Record.push_back(VE.getTypeID(BA->getFunction()->getType())); |
| 2006 | Record.push_back(VE.getValueID(BA->getFunction())); |
| 2007 | Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2008 | } else { |
Dan Gohman | 47dc8fd | 2010-07-21 21:18:37 +0000 | [diff] [blame] | 2009 | #ifndef NDEBUG |
| 2010 | C->dump(); |
| 2011 | #endif |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2012 | llvm_unreachable("Unknown constant!"); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2013 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2014 | Stream.EmitRecord(Code, Record, AbbrevToUse); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2015 | Record.clear(); |
| 2016 | } |
| 2017 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2018 | Stream.ExitBlock(); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2019 | } |
| 2020 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2021 | void ModuleBitcodeWriter::writeModuleConstants() { |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2022 | const ValueEnumerator::ValueList &Vals = VE.getValues(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2023 | |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2024 | // Find the first constant to emit, which is the first non-globalvalue value. |
| 2025 | // We know globalvalues have been emitted by WriteModuleInfo. |
| 2026 | for (unsigned i = 0, e = Vals.size(); i != e; ++i) { |
| 2027 | if (!isa<GlobalValue>(Vals[i].first)) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2028 | writeConstants(i, Vals.size(), true); |
Chris Lattner | 5252356 | 2007-04-24 00:16:04 +0000 | [diff] [blame] | 2029 | return; |
| 2030 | } |
| 2031 | } |
| 2032 | } |
Chris Lattner | 215e9cd | 2007-04-23 20:35:01 +0000 | [diff] [blame] | 2033 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2034 | /// 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] | 2035 | /// many values, because we need to know what type to create for forward |
| 2036 | /// references. However, most operands are not forward references, so this type |
| 2037 | /// field is not needed. |
| 2038 | /// |
| 2039 | /// This function adds V's value ID to Vals. If the value ID is higher than the |
| 2040 | /// 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] | 2041 | /// 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] | 2042 | bool ModuleBitcodeWriter::pushValueAndType(const Value *V, unsigned InstID, |
| 2043 | SmallVectorImpl<unsigned> &Vals) { |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2044 | unsigned ValID = VE.getValueID(V); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2045 | // Make encoding relative to the InstID. |
| 2046 | Vals.push_back(InstID - ValID); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2047 | if (ValID >= InstID) { |
| 2048 | Vals.push_back(VE.getTypeID(V->getType())); |
| 2049 | return true; |
| 2050 | } |
| 2051 | return false; |
| 2052 | } |
| 2053 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2054 | void ModuleBitcodeWriter::writeOperandBundles(ImmutableCallSite CS, |
| 2055 | unsigned InstID) { |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2056 | SmallVector<unsigned, 64> Record; |
| 2057 | LLVMContext &C = CS.getInstruction()->getContext(); |
| 2058 | |
| 2059 | for (unsigned i = 0, e = CS.getNumOperandBundles(); i != e; ++i) { |
Sanjoy Das | 54c3ca6 | 2015-11-07 01:56:04 +0000 | [diff] [blame] | 2060 | const auto &Bundle = CS.getOperandBundleAt(i); |
Sanjoy Das | b9ca6dc | 2015-11-10 20:13:15 +0000 | [diff] [blame] | 2061 | Record.push_back(C.getOperandBundleTagID(Bundle.getTagName())); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2062 | |
| 2063 | for (auto &Input : Bundle.Inputs) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2064 | pushValueAndType(Input, InstID, Record); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2065 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2066 | Stream.EmitRecord(bitc::FUNC_CODE_OPERAND_BUNDLE, Record); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2067 | Record.clear(); |
| 2068 | } |
| 2069 | } |
| 2070 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2071 | /// pushValue - Like pushValueAndType, but where the type of the value is |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2072 | /// omitted (perhaps it was already encoded in an earlier operand). |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2073 | void ModuleBitcodeWriter::pushValue(const Value *V, unsigned InstID, |
| 2074 | SmallVectorImpl<unsigned> &Vals) { |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2075 | unsigned ValID = VE.getValueID(V); |
| 2076 | Vals.push_back(InstID - ValID); |
| 2077 | } |
| 2078 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2079 | void ModuleBitcodeWriter::pushValueSigned(const Value *V, unsigned InstID, |
| 2080 | SmallVectorImpl<uint64_t> &Vals) { |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2081 | unsigned ValID = VE.getValueID(V); |
| 2082 | int64_t diff = ((int32_t)InstID - (int32_t)ValID); |
| 2083 | emitSignedInt64(Vals, diff); |
| 2084 | } |
| 2085 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2086 | /// WriteInstruction - Emit an instruction to the specified stream. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2087 | void ModuleBitcodeWriter::writeInstruction(const Instruction &I, |
| 2088 | unsigned InstID, |
| 2089 | SmallVectorImpl<unsigned> &Vals) { |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2090 | unsigned Code = 0; |
| 2091 | unsigned AbbrevToUse = 0; |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 2092 | VE.setInstructionID(&I); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2093 | switch (I.getOpcode()) { |
| 2094 | default: |
| 2095 | if (Instruction::isCast(I.getOpcode())) { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2096 | Code = bitc::FUNC_CODE_INST_CAST; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2097 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2098 | AbbrevToUse = FUNCTION_INST_CAST_ABBREV; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2099 | Vals.push_back(VE.getTypeID(I.getType())); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2100 | Vals.push_back(getEncodedCastOpcode(I.getOpcode())); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2101 | } else { |
| 2102 | assert(isa<BinaryOperator>(I) && "Unknown instruction!"); |
Chris Lattner | 9f35f91 | 2007-05-02 04:26:36 +0000 | [diff] [blame] | 2103 | Code = bitc::FUNC_CODE_INST_BINOP; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2104 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2105 | AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2106 | pushValue(I.getOperand(1), InstID, Vals); |
| 2107 | Vals.push_back(getEncodedBinaryOpcode(I.getOpcode())); |
| 2108 | uint64_t Flags = getOptimizationFlags(&I); |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 2109 | if (Flags != 0) { |
| 2110 | if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) |
| 2111 | AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; |
| 2112 | Vals.push_back(Flags); |
| 2113 | } |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2114 | } |
| 2115 | break; |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2116 | |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2117 | case Instruction::GetElementPtr: { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2118 | Code = bitc::FUNC_CODE_INST_GEP; |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2119 | AbbrevToUse = FUNCTION_INST_GEP_ABBREV; |
| 2120 | auto &GEPInst = cast<GetElementPtrInst>(I); |
| 2121 | Vals.push_back(GEPInst.isInBounds()); |
| 2122 | Vals.push_back(VE.getTypeID(GEPInst.getSourceElementType())); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2123 | for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2124 | pushValueAndType(I.getOperand(i), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2125 | break; |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2126 | } |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2127 | case Instruction::ExtractValue: { |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2128 | Code = bitc::FUNC_CODE_INST_EXTRACTVAL; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2129 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2130 | const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2131 | Vals.append(EVI->idx_begin(), EVI->idx_end()); |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2132 | break; |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2133 | } |
| 2134 | case Instruction::InsertValue: { |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2135 | Code = bitc::FUNC_CODE_INST_INSERTVAL; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2136 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2137 | pushValueAndType(I.getOperand(1), InstID, Vals); |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2138 | const InsertValueInst *IVI = cast<InsertValueInst>(&I); |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2139 | Vals.append(IVI->idx_begin(), IVI->idx_end()); |
Dan Gohman | 3049984 | 2008-05-23 01:55:30 +0000 | [diff] [blame] | 2140 | break; |
Dan Gohman | ca0256a | 2008-05-31 19:11:15 +0000 | [diff] [blame] | 2141 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2142 | case Instruction::Select: |
Dan Gohman | c5d2892 | 2008-09-16 01:01:33 +0000 | [diff] [blame] | 2143 | Code = bitc::FUNC_CODE_INST_VSELECT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2144 | pushValueAndType(I.getOperand(1), InstID, Vals); |
| 2145 | pushValue(I.getOperand(2), InstID, Vals); |
| 2146 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2147 | break; |
| 2148 | case Instruction::ExtractElement: |
| 2149 | Code = bitc::FUNC_CODE_INST_EXTRACTELT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2150 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2151 | pushValueAndType(I.getOperand(1), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2152 | break; |
| 2153 | case Instruction::InsertElement: |
| 2154 | Code = bitc::FUNC_CODE_INST_INSERTELT; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2155 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2156 | pushValue(I.getOperand(1), InstID, Vals); |
| 2157 | pushValueAndType(I.getOperand(2), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2158 | break; |
| 2159 | case Instruction::ShuffleVector: |
| 2160 | Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2161 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2162 | pushValue(I.getOperand(1), InstID, Vals); |
| 2163 | pushValue(I.getOperand(2), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2164 | break; |
| 2165 | case Instruction::ICmp: |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2166 | case Instruction::FCmp: { |
Nick Lewycky | a21d3da | 2009-07-08 03:04:38 +0000 | [diff] [blame] | 2167 | // compare returning Int1Ty or vector of Int1Ty |
| 2168 | Code = bitc::FUNC_CODE_INST_CMP2; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2169 | pushValueAndType(I.getOperand(0), InstID, Vals); |
| 2170 | pushValue(I.getOperand(1), InstID, Vals); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2171 | Vals.push_back(cast<CmpInst>(I).getPredicate()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2172 | uint64_t Flags = getOptimizationFlags(&I); |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2173 | if (Flags != 0) |
| 2174 | Vals.push_back(Flags); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2175 | break; |
James Molloy | 88eb535 | 2015-07-10 12:52:00 +0000 | [diff] [blame] | 2176 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2177 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2178 | case Instruction::Ret: |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2179 | { |
| 2180 | Code = bitc::FUNC_CODE_INST_RET; |
| 2181 | unsigned NumOperands = I.getNumOperands(); |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2182 | if (NumOperands == 0) |
| 2183 | AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; |
| 2184 | else if (NumOperands == 1) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2185 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2186 | AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; |
| 2187 | } else { |
| 2188 | for (unsigned i = 0, e = NumOperands; i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2189 | pushValueAndType(I.getOperand(i), InstID, Vals); |
Devang Patel | bbfd874 | 2008-02-26 01:29:32 +0000 | [diff] [blame] | 2190 | } |
| 2191 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2192 | break; |
| 2193 | case Instruction::Br: |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2194 | { |
| 2195 | Code = bitc::FUNC_CODE_INST_BR; |
David Blaikie | b78e9e5 | 2013-02-11 01:16:51 +0000 | [diff] [blame] | 2196 | const BranchInst &II = cast<BranchInst>(I); |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2197 | Vals.push_back(VE.getValueID(II.getSuccessor(0))); |
| 2198 | if (II.isConditional()) { |
| 2199 | Vals.push_back(VE.getValueID(II.getSuccessor(1))); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2200 | pushValue(II.getCondition(), InstID, Vals); |
Gabor Greif | 1933b00 | 2009-01-30 18:27:21 +0000 | [diff] [blame] | 2201 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2202 | } |
| 2203 | break; |
| 2204 | case Instruction::Switch: |
Stepan Dyatkovskiy | 513aaa5 | 2012-02-01 07:49:51 +0000 | [diff] [blame] | 2205 | { |
| 2206 | Code = bitc::FUNC_CODE_INST_SWITCH; |
David Blaikie | b78e9e5 | 2013-02-11 01:16:51 +0000 | [diff] [blame] | 2207 | const SwitchInst &SI = cast<SwitchInst>(I); |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 2208 | Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2209 | pushValue(SI.getCondition(), InstID, Vals); |
Bob Wilson | e407736 | 2013-09-09 19:14:35 +0000 | [diff] [blame] | 2210 | Vals.push_back(VE.getValueID(SI.getDefaultDest())); |
Sanjay Patel | 225d65f | 2015-11-13 16:21:23 +0000 | [diff] [blame] | 2211 | for (SwitchInst::ConstCaseIt Case : SI.cases()) { |
| 2212 | Vals.push_back(VE.getValueID(Case.getCaseValue())); |
| 2213 | Vals.push_back(VE.getValueID(Case.getCaseSuccessor())); |
Stepan Dyatkovskiy | 513aaa5 | 2012-02-01 07:49:51 +0000 | [diff] [blame] | 2214 | } |
| 2215 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2216 | break; |
Chris Lattner | d04cb6d | 2009-10-28 00:19:10 +0000 | [diff] [blame] | 2217 | case Instruction::IndirectBr: |
| 2218 | Code = bitc::FUNC_CODE_INST_INDIRECTBR; |
Chris Lattner | 3ed871f | 2009-10-27 19:13:16 +0000 | [diff] [blame] | 2219 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2220 | // Encode the address operand as relative, but not the basic blocks. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2221 | pushValue(I.getOperand(0), InstID, Vals); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2222 | for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) |
Chris Lattner | 3ed871f | 2009-10-27 19:13:16 +0000 | [diff] [blame] | 2223 | Vals.push_back(VE.getValueID(I.getOperand(i))); |
| 2224 | break; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2225 | |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2226 | case Instruction::Invoke: { |
Gabor Greif | 4b79e47 | 2009-01-16 18:40:27 +0000 | [diff] [blame] | 2227 | const InvokeInst *II = cast<InvokeInst>(&I); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2228 | const Value *Callee = II->getCalledValue(); |
| 2229 | FunctionType *FTy = II->getFunctionType(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2230 | |
| 2231 | if (II->hasOperandBundles()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2232 | writeOperandBundles(II, InstID); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2233 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2234 | Code = bitc::FUNC_CODE_INST_INVOKE; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2235 | |
Devang Patel | 4c758ea | 2008-09-25 21:00:45 +0000 | [diff] [blame] | 2236 | Vals.push_back(VE.getAttributeID(II->getAttributes())); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2237 | Vals.push_back(II->getCallingConv() | 1 << 13); |
Gabor Greif | 6ecd6f4 | 2009-01-07 22:39:29 +0000 | [diff] [blame] | 2238 | Vals.push_back(VE.getValueID(II->getNormalDest())); |
| 2239 | Vals.push_back(VE.getValueID(II->getUnwindDest())); |
David Blaikie | 5ea1f7b | 2015-04-24 18:06:06 +0000 | [diff] [blame] | 2240 | Vals.push_back(VE.getTypeID(FTy)); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2241 | pushValueAndType(Callee, InstID, Vals); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2242 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2243 | // Emit value #'s for the fixed parameters. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2244 | for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2245 | pushValue(I.getOperand(i), InstID, Vals); // fixed param. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2246 | |
| 2247 | // Emit type/value pairs for varargs params. |
| 2248 | if (FTy->isVarArg()) { |
Gabor Greif | a2fbc0a | 2010-03-24 13:21:49 +0000 | [diff] [blame] | 2249 | for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2250 | i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2251 | pushValueAndType(I.getOperand(i), InstID, Vals); // vararg |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2252 | } |
| 2253 | break; |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2254 | } |
Bill Wendling | f891bf8 | 2011-07-31 06:30:59 +0000 | [diff] [blame] | 2255 | case Instruction::Resume: |
| 2256 | Code = bitc::FUNC_CODE_INST_RESUME; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2257 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Bill Wendling | f891bf8 | 2011-07-31 06:30:59 +0000 | [diff] [blame] | 2258 | break; |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2259 | case Instruction::CleanupRet: { |
| 2260 | Code = bitc::FUNC_CODE_INST_CLEANUPRET; |
| 2261 | const auto &CRI = cast<CleanupReturnInst>(I); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2262 | pushValue(CRI.getCleanupPad(), InstID, Vals); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2263 | if (CRI.hasUnwindDest()) |
| 2264 | Vals.push_back(VE.getValueID(CRI.getUnwindDest())); |
| 2265 | break; |
| 2266 | } |
| 2267 | case Instruction::CatchRet: { |
| 2268 | Code = bitc::FUNC_CODE_INST_CATCHRET; |
| 2269 | const auto &CRI = cast<CatchReturnInst>(I); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2270 | pushValue(CRI.getCatchPad(), InstID, Vals); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2271 | Vals.push_back(VE.getValueID(CRI.getSuccessor())); |
| 2272 | break; |
| 2273 | } |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2274 | case Instruction::CleanupPad: |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2275 | case Instruction::CatchPad: { |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2276 | const auto &FuncletPad = cast<FuncletPadInst>(I); |
| 2277 | Code = isa<CatchPadInst>(FuncletPad) ? bitc::FUNC_CODE_INST_CATCHPAD |
| 2278 | : bitc::FUNC_CODE_INST_CLEANUPPAD; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2279 | pushValue(FuncletPad.getParentPad(), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2280 | |
| 2281 | unsigned NumArgOperands = FuncletPad.getNumArgOperands(); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2282 | Vals.push_back(NumArgOperands); |
| 2283 | for (unsigned Op = 0; Op != NumArgOperands; ++Op) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2284 | pushValueAndType(FuncletPad.getArgOperand(Op), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2285 | break; |
| 2286 | } |
| 2287 | case Instruction::CatchSwitch: { |
| 2288 | Code = bitc::FUNC_CODE_INST_CATCHSWITCH; |
| 2289 | const auto &CatchSwitch = cast<CatchSwitchInst>(I); |
| 2290 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2291 | pushValue(CatchSwitch.getParentPad(), InstID, Vals); |
David Majnemer | 8a1c45d | 2015-12-12 05:38:55 +0000 | [diff] [blame] | 2292 | |
| 2293 | unsigned NumHandlers = CatchSwitch.getNumHandlers(); |
| 2294 | Vals.push_back(NumHandlers); |
| 2295 | for (const BasicBlock *CatchPadBB : CatchSwitch.handlers()) |
| 2296 | Vals.push_back(VE.getValueID(CatchPadBB)); |
| 2297 | |
| 2298 | if (CatchSwitch.hasUnwindDest()) |
| 2299 | Vals.push_back(VE.getValueID(CatchSwitch.getUnwindDest())); |
David Majnemer | 654e130 | 2015-07-31 17:58:14 +0000 | [diff] [blame] | 2300 | break; |
| 2301 | } |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2302 | case Instruction::Unreachable: |
| 2303 | Code = bitc::FUNC_CODE_INST_UNREACHABLE; |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2304 | AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2305 | break; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2306 | |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2307 | case Instruction::PHI: { |
| 2308 | const PHINode &PN = cast<PHINode>(I); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2309 | Code = bitc::FUNC_CODE_INST_PHI; |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2310 | // With the newer instruction encoding, forward references could give |
| 2311 | // negative valued IDs. This is most common for PHIs, so we use |
| 2312 | // signed VBRs. |
| 2313 | SmallVector<uint64_t, 128> Vals64; |
| 2314 | Vals64.push_back(VE.getTypeID(PN.getType())); |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2315 | for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2316 | pushValueSigned(PN.getIncomingValue(i), InstID, Vals64); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2317 | Vals64.push_back(VE.getValueID(PN.getIncomingBlock(i))); |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2318 | } |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2319 | // Emit a Vals64 vector and exit. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2320 | Stream.EmitRecord(Code, Vals64, AbbrevToUse); |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2321 | Vals64.clear(); |
| 2322 | return; |
Jay Foad | 372ad64 | 2011-06-20 14:18:48 +0000 | [diff] [blame] | 2323 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2324 | |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2325 | case Instruction::LandingPad: { |
| 2326 | const LandingPadInst &LP = cast<LandingPadInst>(I); |
| 2327 | Code = bitc::FUNC_CODE_INST_LANDINGPAD; |
| 2328 | Vals.push_back(VE.getTypeID(LP.getType())); |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2329 | Vals.push_back(LP.isCleanup()); |
| 2330 | Vals.push_back(LP.getNumClauses()); |
| 2331 | for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { |
| 2332 | if (LP.isCatch(I)) |
| 2333 | Vals.push_back(LandingPadInst::Catch); |
| 2334 | else |
| 2335 | Vals.push_back(LandingPadInst::Filter); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2336 | pushValueAndType(LP.getClause(I), InstID, Vals); |
Bill Wendling | fae1475 | 2011-08-12 20:24:12 +0000 | [diff] [blame] | 2337 | } |
| 2338 | break; |
| 2339 | } |
| 2340 | |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2341 | case Instruction::Alloca: { |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2342 | Code = bitc::FUNC_CODE_INST_ALLOCA; |
David Blaikie | bdb4910 | 2015-04-28 16:51:01 +0000 | [diff] [blame] | 2343 | const AllocaInst &AI = cast<AllocaInst>(I); |
| 2344 | Vals.push_back(VE.getTypeID(AI.getAllocatedType())); |
Dan Gohman | 9da5bb0 | 2010-05-28 01:38:28 +0000 | [diff] [blame] | 2345 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2346 | Vals.push_back(VE.getValueID(I.getOperand(0))); // size. |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2347 | unsigned AlignRecord = Log2_32(AI.getAlignment()) + 1; |
| 2348 | assert(Log2_32(Value::MaximumAlignment) + 1 < 1 << 5 && |
| 2349 | "not enough bits for maximum alignment"); |
| 2350 | assert(AlignRecord < 1 << 5 && "alignment greater than 1 << 64"); |
| 2351 | AlignRecord |= AI.isUsedWithInAlloca() << 5; |
David Blaikie | bdb4910 | 2015-04-28 16:51:01 +0000 | [diff] [blame] | 2352 | AlignRecord |= 1 << 6; |
Manman Ren | 9bfd0d0 | 2016-04-01 21:41:15 +0000 | [diff] [blame] | 2353 | AlignRecord |= AI.isSwiftError() << 7; |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2354 | Vals.push_back(AlignRecord); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2355 | break; |
Reid Kleckner | 56b56ea | 2014-07-16 01:34:27 +0000 | [diff] [blame] | 2356 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2357 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2358 | case Instruction::Load: |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2359 | if (cast<LoadInst>(I).isAtomic()) { |
| 2360 | Code = bitc::FUNC_CODE_INST_LOADATOMIC; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2361 | pushValueAndType(I.getOperand(0), InstID, Vals); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2362 | } else { |
| 2363 | Code = bitc::FUNC_CODE_INST_LOAD; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2364 | if (!pushValueAndType(I.getOperand(0), InstID, Vals)) // ptr |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2365 | AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; |
| 2366 | } |
David Blaikie | 8503565 | 2015-02-25 01:07:20 +0000 | [diff] [blame] | 2367 | Vals.push_back(VE.getTypeID(I.getType())); |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2368 | Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); |
| 2369 | Vals.push_back(cast<LoadInst>(I).isVolatile()); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2370 | if (cast<LoadInst>(I).isAtomic()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2371 | Vals.push_back(getEncodedOrdering(cast<LoadInst>(I).getOrdering())); |
| 2372 | Vals.push_back(getEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2373 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2374 | break; |
| 2375 | case Instruction::Store: |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2376 | if (cast<StoreInst>(I).isAtomic()) |
| 2377 | Code = bitc::FUNC_CODE_INST_STOREATOMIC; |
| 2378 | else |
| 2379 | Code = bitc::FUNC_CODE_INST_STORE; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2380 | pushValueAndType(I.getOperand(1), InstID, Vals); // ptrty + ptr |
| 2381 | pushValueAndType(I.getOperand(0), InstID, Vals); // valty + val |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2382 | Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); |
| 2383 | Vals.push_back(cast<StoreInst>(I).isVolatile()); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2384 | if (cast<StoreInst>(I).isAtomic()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2385 | Vals.push_back(getEncodedOrdering(cast<StoreInst>(I).getOrdering())); |
| 2386 | Vals.push_back(getEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); |
Eli Friedman | 59b6688 | 2011-08-09 23:02:53 +0000 | [diff] [blame] | 2387 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2388 | break; |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2389 | case Instruction::AtomicCmpXchg: |
| 2390 | Code = bitc::FUNC_CODE_INST_CMPXCHG; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2391 | pushValueAndType(I.getOperand(0), InstID, Vals); // ptrty + ptr |
| 2392 | pushValueAndType(I.getOperand(1), InstID, Vals); // cmp. |
| 2393 | pushValue(I.getOperand(2), InstID, Vals); // newval. |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2394 | Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2395 | Vals.push_back( |
| 2396 | getEncodedOrdering(cast<AtomicCmpXchgInst>(I).getSuccessOrdering())); |
| 2397 | Vals.push_back( |
| 2398 | getEncodedSynchScope(cast<AtomicCmpXchgInst>(I).getSynchScope())); |
| 2399 | Vals.push_back( |
| 2400 | getEncodedOrdering(cast<AtomicCmpXchgInst>(I).getFailureOrdering())); |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 2401 | Vals.push_back(cast<AtomicCmpXchgInst>(I).isWeak()); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2402 | break; |
| 2403 | case Instruction::AtomicRMW: |
| 2404 | Code = bitc::FUNC_CODE_INST_ATOMICRMW; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2405 | pushValueAndType(I.getOperand(0), InstID, Vals); // ptrty + ptr |
| 2406 | pushValue(I.getOperand(1), InstID, Vals); // val. |
| 2407 | Vals.push_back( |
| 2408 | getEncodedRMWOperation(cast<AtomicRMWInst>(I).getOperation())); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2409 | Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2410 | Vals.push_back(getEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); |
| 2411 | Vals.push_back( |
| 2412 | getEncodedSynchScope(cast<AtomicRMWInst>(I).getSynchScope())); |
Eli Friedman | c9a551e | 2011-07-28 21:48:00 +0000 | [diff] [blame] | 2413 | break; |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 2414 | case Instruction::Fence: |
| 2415 | Code = bitc::FUNC_CODE_INST_FENCE; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2416 | Vals.push_back(getEncodedOrdering(cast<FenceInst>(I).getOrdering())); |
| 2417 | Vals.push_back(getEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); |
Eli Friedman | fee02c6 | 2011-07-25 23:16:38 +0000 | [diff] [blame] | 2418 | break; |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2419 | case Instruction::Call: { |
Gabor Greif | e9afee2 | 2010-06-26 09:35:09 +0000 | [diff] [blame] | 2420 | const CallInst &CI = cast<CallInst>(I); |
David Blaikie | dbe6e0f | 2015-04-17 06:40:14 +0000 | [diff] [blame] | 2421 | FunctionType *FTy = CI.getFunctionType(); |
Chris Lattner | 4c0a6d6 | 2007-05-08 05:38:01 +0000 | [diff] [blame] | 2422 | |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2423 | if (CI.hasOperandBundles()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2424 | writeOperandBundles(&CI, InstID); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 2425 | |
Chris Lattner | c4407080 | 2011-06-17 18:17:37 +0000 | [diff] [blame] | 2426 | Code = bitc::FUNC_CODE_INST_CALL; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2427 | |
Gabor Greif | e9afee2 | 2010-06-26 09:35:09 +0000 | [diff] [blame] | 2428 | Vals.push_back(VE.getAttributeID(CI.getAttributes())); |
Sanjay Patel | fa54ace | 2015-12-14 21:59:03 +0000 | [diff] [blame] | 2429 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2430 | unsigned Flags = getOptimizationFlags(&I); |
Akira Hatanaka | 97cb397 | 2015-11-07 02:48:49 +0000 | [diff] [blame] | 2431 | Vals.push_back(CI.getCallingConv() << bitc::CALL_CCONV | |
| 2432 | unsigned(CI.isTailCall()) << bitc::CALL_TAIL | |
| 2433 | unsigned(CI.isMustTailCall()) << bitc::CALL_MUSTTAIL | |
| 2434 | 1 << bitc::CALL_EXPLICIT_TYPE | |
Sanjay Patel | fa54ace | 2015-12-14 21:59:03 +0000 | [diff] [blame] | 2435 | unsigned(CI.isNoTailCall()) << bitc::CALL_NOTAIL | |
| 2436 | unsigned(Flags != 0) << bitc::CALL_FMF); |
| 2437 | if (Flags != 0) |
| 2438 | Vals.push_back(Flags); |
| 2439 | |
David Blaikie | dbe6e0f | 2015-04-17 06:40:14 +0000 | [diff] [blame] | 2440 | Vals.push_back(VE.getTypeID(FTy)); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2441 | pushValueAndType(CI.getCalledValue(), InstID, Vals); // Callee |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2442 | |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2443 | // Emit value #'s for the fixed parameters. |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2444 | for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) { |
| 2445 | // Check for labels (can happen with asm labels). |
| 2446 | if (FTy->getParamType(i)->isLabelTy()) |
| 2447 | Vals.push_back(VE.getValueID(CI.getArgOperand(i))); |
| 2448 | else |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2449 | pushValue(CI.getArgOperand(i), InstID, Vals); // fixed param. |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 2450 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2451 | |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2452 | // Emit type/value pairs for varargs params. |
| 2453 | if (FTy->isVarArg()) { |
Gabor Greif | e9afee2 | 2010-06-26 09:35:09 +0000 | [diff] [blame] | 2454 | for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2455 | i != e; ++i) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2456 | pushValueAndType(CI.getArgOperand(i), InstID, Vals); // varargs |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2457 | } |
| 2458 | break; |
Chris Lattner | b811e95 | 2007-05-01 07:03:37 +0000 | [diff] [blame] | 2459 | } |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2460 | case Instruction::VAArg: |
| 2461 | Code = bitc::FUNC_CODE_INST_VAARG; |
| 2462 | Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2463 | pushValue(I.getOperand(0), InstID, Vals); // valist. |
Chris Lattner | 0a60325 | 2007-05-01 02:13:26 +0000 | [diff] [blame] | 2464 | Vals.push_back(VE.getTypeID(I.getType())); // restype. |
| 2465 | break; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2466 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2467 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2468 | Stream.EmitRecord(Code, Vals, AbbrevToUse); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2469 | Vals.clear(); |
| 2470 | } |
| 2471 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2472 | /// Emit names for globals/functions etc. \p IsModuleLevel is true when |
| 2473 | /// we are writing the module-level VST, where we are including a function |
| 2474 | /// bitcode index and need to backpatch the VST forward declaration record. |
| 2475 | void ModuleBitcodeWriter::writeValueSymbolTable( |
| 2476 | const ValueSymbolTable &VST, bool IsModuleLevel, |
| 2477 | DenseMap<const Function *, uint64_t> *FunctionToBitcodeIndex) { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2478 | if (VST.empty()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2479 | // writeValueSymbolTableForwardDecl should have returned early as |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2480 | // well. Ensure this handling remains in sync by asserting that |
| 2481 | // the placeholder offset is not set. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2482 | assert(!IsModuleLevel || !hasVSTOffsetPlaceholder()); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2483 | return; |
| 2484 | } |
| 2485 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2486 | if (IsModuleLevel && hasVSTOffsetPlaceholder()) { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2487 | // Get the offset of the VST we are writing, and backpatch it into |
| 2488 | // the VST forward declaration record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2489 | uint64_t VSTOffset = Stream.GetCurrentBitNo(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2490 | // The BitcodeStartBit was the stream offset of the actual bitcode |
| 2491 | // (e.g. excluding any initial darwin header). |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2492 | VSTOffset -= bitcodeStartBit(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2493 | assert((VSTOffset & 31) == 0 && "VST block not 32-bit aligned"); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2494 | Stream.BackpatchWord(VSTOffsetPlaceholder, VSTOffset / 32); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2495 | } |
| 2496 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2497 | Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); |
Chris Lattner | 2eae59f | 2007-05-04 20:34:50 +0000 | [diff] [blame] | 2498 | |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2499 | // For the module-level VST, add abbrev Ids for the VST_CODE_FNENTRY |
| 2500 | // records, which are not used in the per-function VSTs. |
| 2501 | unsigned FnEntry8BitAbbrev; |
| 2502 | unsigned FnEntry7BitAbbrev; |
| 2503 | unsigned FnEntry6BitAbbrev; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2504 | if (IsModuleLevel && hasVSTOffsetPlaceholder()) { |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2505 | // 8-bit fixed-width VST_CODE_FNENTRY function strings. |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2506 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2507 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_FNENTRY)); |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2508 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 2509 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // funcoffset |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2510 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2511 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2512 | FnEntry8BitAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2513 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2514 | // 7-bit fixed width VST_CODE_FNENTRY function strings. |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2515 | Abbv = new BitCodeAbbrev(); |
| 2516 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_FNENTRY)); |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2517 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 2518 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // funcoffset |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2519 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2520 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2521 | FnEntry7BitAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2522 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2523 | // 6-bit char6 VST_CODE_FNENTRY function strings. |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2524 | Abbv = new BitCodeAbbrev(); |
| 2525 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_FNENTRY)); |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2526 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 2527 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // funcoffset |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2528 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2529 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2530 | FnEntry6BitAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2531 | } |
| 2532 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2533 | // FIXME: Set up the abbrev, we know how many values there are! |
| 2534 | // FIXME: We know if the type names can use 7-bit ascii. |
| 2535 | SmallVector<unsigned, 64> NameVals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2536 | |
Yaron Keren | 001e2e4 | 2015-08-10 07:04:29 +0000 | [diff] [blame] | 2537 | for (const ValueName &Name : VST) { |
Chris Lattner | 4d92598 | 2007-05-04 20:52:02 +0000 | [diff] [blame] | 2538 | // Figure out the encoding to use for the name. |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2539 | StringEncoding Bits = |
| 2540 | getStringEncoding(Name.getKeyData(), Name.getKeyLength()); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2541 | |
Chris Lattner | a098796 | 2007-05-04 21:31:13 +0000 | [diff] [blame] | 2542 | unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2543 | NameVals.push_back(VE.getValueID(Name.getValue())); |
| 2544 | |
| 2545 | Function *F = dyn_cast<Function>(Name.getValue()); |
| 2546 | if (!F) { |
| 2547 | // If value is an alias, need to get the aliased base object to |
| 2548 | // see if it is a function. |
| 2549 | auto *GA = dyn_cast<GlobalAlias>(Name.getValue()); |
| 2550 | if (GA && GA->getBaseObject()) |
| 2551 | F = dyn_cast<Function>(GA->getBaseObject()); |
| 2552 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2553 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2554 | // VST_CODE_ENTRY: [valueid, namechar x N] |
| 2555 | // VST_CODE_FNENTRY: [valueid, funcoffset, namechar x N] |
| 2556 | // VST_CODE_BBENTRY: [bbid, namechar x N] |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2557 | unsigned Code; |
Yaron Keren | 001e2e4 | 2015-08-10 07:04:29 +0000 | [diff] [blame] | 2558 | if (isa<BasicBlock>(Name.getValue())) { |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2559 | Code = bitc::VST_CODE_BBENTRY; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2560 | if (Bits == SE_Char6) |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2561 | AbbrevToUse = VST_BBENTRY_6_ABBREV; |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2562 | } else if (F && !F->isDeclaration()) { |
| 2563 | // Must be the module-level VST, where we pass in the Index and |
| 2564 | // have a VSTOffsetPlaceholder. The function-level VST should not |
| 2565 | // contain any Function symbols. |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 2566 | assert(FunctionToBitcodeIndex); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2567 | assert(hasVSTOffsetPlaceholder()); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2568 | |
| 2569 | // Save the word offset of the function (from the start of the |
| 2570 | // actual bitcode written to the stream). |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2571 | uint64_t BitcodeIndex = (*FunctionToBitcodeIndex)[F] - bitcodeStartBit(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2572 | assert((BitcodeIndex & 31) == 0 && "function block not 32-bit aligned"); |
| 2573 | NameVals.push_back(BitcodeIndex / 32); |
| 2574 | |
| 2575 | Code = bitc::VST_CODE_FNENTRY; |
| 2576 | AbbrevToUse = FnEntry8BitAbbrev; |
| 2577 | if (Bits == SE_Char6) |
| 2578 | AbbrevToUse = FnEntry6BitAbbrev; |
| 2579 | else if (Bits == SE_Fixed7) |
| 2580 | AbbrevToUse = FnEntry7BitAbbrev; |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2581 | } else { |
| 2582 | Code = bitc::VST_CODE_ENTRY; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2583 | if (Bits == SE_Char6) |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2584 | AbbrevToUse = VST_ENTRY_6_ABBREV; |
Teresa Johnson | c01e4cb | 2015-09-17 14:37:35 +0000 | [diff] [blame] | 2585 | else if (Bits == SE_Fixed7) |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2586 | AbbrevToUse = VST_ENTRY_7_ABBREV; |
Chris Lattner | 6be58c6 | 2007-05-03 22:18:21 +0000 | [diff] [blame] | 2587 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2588 | |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2589 | for (const auto P : Name.getKey()) |
| 2590 | NameVals.push_back((unsigned char)P); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2591 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2592 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2593 | Stream.EmitRecord(Code, NameVals, AbbrevToUse); |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2594 | NameVals.clear(); |
| 2595 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2596 | Stream.ExitBlock(); |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2597 | } |
| 2598 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2599 | /// Emit function names and summary offsets for the combined index |
| 2600 | /// used by ThinLTO. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2601 | void IndexBitcodeWriter::writeCombinedValueSymbolTable() { |
| 2602 | assert(hasVSTOffsetPlaceholder() && "Expected non-zero VSTOffsetPlaceholder"); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2603 | // Get the offset of the VST we are writing, and backpatch it into |
| 2604 | // the VST forward declaration record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2605 | uint64_t VSTOffset = Stream.GetCurrentBitNo(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2606 | assert((VSTOffset & 31) == 0 && "VST block not 32-bit aligned"); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2607 | Stream.BackpatchWord(VSTOffsetPlaceholder, VSTOffset / 32); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2608 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2609 | Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2610 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2611 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2612 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_COMBINED_GVDEFENTRY)); |
| 2613 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
| 2614 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // sumoffset |
| 2615 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // guid |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2616 | unsigned DefEntryAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2617 | |
| 2618 | Abbv = new BitCodeAbbrev(); |
| 2619 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_COMBINED_ENTRY)); |
| 2620 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
| 2621 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // refguid |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2622 | unsigned EntryAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2623 | |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 2624 | SmallVector<uint64_t, 64> NameVals; |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2625 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2626 | for (const auto &FII : Index) { |
Mehdi Amini | ad5741b | 2016-04-02 05:07:53 +0000 | [diff] [blame] | 2627 | GlobalValue::GUID FuncGUID = FII.first; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2628 | unsigned ValueId = popValueId(FuncGUID); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2629 | |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 2630 | for (const auto &FI : FII.second) { |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2631 | // VST_CODE_COMBINED_GVDEFENTRY: [valueid, sumoffset, guid] |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2632 | NameVals.push_back(ValueId); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2633 | NameVals.push_back(FI->bitcodeIndex()); |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 2634 | NameVals.push_back(FuncGUID); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2635 | |
| 2636 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2637 | Stream.EmitRecord(bitc::VST_CODE_COMBINED_GVDEFENTRY, NameVals, |
| 2638 | DefEntryAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2639 | NameVals.clear(); |
| 2640 | } |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2641 | } |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2642 | for (const auto &GVI : valueIds()) { |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2643 | // VST_CODE_COMBINED_ENTRY: [valueid, refguid] |
| 2644 | NameVals.push_back(GVI.second); |
| 2645 | NameVals.push_back(GVI.first); |
| 2646 | |
| 2647 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2648 | Stream.EmitRecord(bitc::VST_CODE_COMBINED_ENTRY, NameVals, EntryAbbrev); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2649 | NameVals.clear(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2650 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2651 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2652 | } |
| 2653 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2654 | void ModuleBitcodeWriter::writeUseList(UseListOrder &&Order) { |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2655 | assert(Order.Shuffle.size() >= 2 && "Shuffle too small"); |
| 2656 | unsigned Code; |
| 2657 | if (isa<BasicBlock>(Order.V)) |
| 2658 | Code = bitc::USELIST_CODE_BB; |
| 2659 | else |
| 2660 | Code = bitc::USELIST_CODE_DEFAULT; |
| 2661 | |
Benjamin Kramer | 6cd780f | 2015-02-17 15:29:18 +0000 | [diff] [blame] | 2662 | 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] | 2663 | Record.push_back(VE.getValueID(Order.V)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2664 | Stream.EmitRecord(Code, Record); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2665 | } |
| 2666 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2667 | void ModuleBitcodeWriter::writeUseListBlock(const Function *F) { |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 2668 | assert(VE.shouldPreserveUseListOrder() && |
| 2669 | "Expected to be preserving use-list order"); |
| 2670 | |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2671 | auto hasMore = [&]() { |
| 2672 | return !VE.UseListOrders.empty() && VE.UseListOrders.back().F == F; |
| 2673 | }; |
| 2674 | if (!hasMore()) |
| 2675 | // Nothing to do. |
| 2676 | return; |
| 2677 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2678 | Stream.EnterSubblock(bitc::USELIST_BLOCK_ID, 3); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2679 | while (hasMore()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2680 | writeUseList(std::move(VE.UseListOrders.back())); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2681 | VE.UseListOrders.pop_back(); |
| 2682 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2683 | Stream.ExitBlock(); |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 2684 | } |
| 2685 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2686 | /// Emit a function body to the module stream. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2687 | void ModuleBitcodeWriter::writeFunction( |
| 2688 | const Function &F, |
| 2689 | DenseMap<const Function *, uint64_t> &FunctionToBitcodeIndex) { |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 2690 | // Save the bitcode index of the start of this function block for recording |
| 2691 | // in the VST. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2692 | FunctionToBitcodeIndex[&F] = Stream.GetCurrentBitNo(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 2693 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2694 | Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); |
Chad Rosier | 6a11b64 | 2011-06-03 17:02:19 +0000 | [diff] [blame] | 2695 | VE.incorporateFunction(F); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2696 | |
| 2697 | SmallVector<unsigned, 64> Vals; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2698 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2699 | // Emit the number of basic blocks, so the reader can create them ahead of |
| 2700 | // time. |
| 2701 | Vals.push_back(VE.getBasicBlocks().size()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2702 | Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2703 | Vals.clear(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2704 | |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2705 | // If there are function-local constants, emit them now. |
| 2706 | unsigned CstStart, CstEnd; |
| 2707 | VE.getFunctionConstantRange(CstStart, CstEnd); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2708 | writeConstants(CstStart, CstEnd, false); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2709 | |
Victor Hernandez | 6c730de | 2010-01-14 01:50:08 +0000 | [diff] [blame] | 2710 | // If there is function-local metadata, emit it now. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2711 | writeFunctionMetadata(F); |
Victor Hernandez | 6c730de | 2010-01-14 01:50:08 +0000 | [diff] [blame] | 2712 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2713 | // Keep a running idea of what the instruction ID is. |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2714 | unsigned InstID = CstEnd; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2715 | |
Duncan P. N. Exon Smith | 3d4cd75 | 2015-04-24 22:04:41 +0000 | [diff] [blame] | 2716 | bool NeedsMetadataAttachment = F.hasMetadata(); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2717 | |
Duncan P. N. Exon Smith | a9308c4 | 2015-04-29 16:38:44 +0000 | [diff] [blame] | 2718 | DILocation *LastDL = nullptr; |
Chris Lattner | e6e364c | 2007-04-26 05:53:54 +0000 | [diff] [blame] | 2719 | // Finally, emit all the instructions, in order. |
Nick Lewycky | 4d43d3c | 2008-04-25 16:53:59 +0000 | [diff] [blame] | 2720 | 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] | 2721 | for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); |
| 2722 | I != E; ++I) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2723 | writeInstruction(*I, InstID, Vals); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2724 | |
Chris Lattner | 2f2aa2b | 2009-12-28 23:41:32 +0000 | [diff] [blame] | 2725 | if (!I->getType()->isVoidTy()) |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2726 | ++InstID; |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2727 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2728 | // If the instruction has metadata, write a metadata attachment later. |
| 2729 | NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); |
Michael Ilseman | 26ee2b8 | 2012-11-15 22:34:00 +0000 | [diff] [blame] | 2730 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2731 | // If the instruction has a debug location, emit it. |
Duncan P. N. Exon Smith | a9308c4 | 2015-04-29 16:38:44 +0000 | [diff] [blame] | 2732 | DILocation *DL = I->getDebugLoc(); |
Duncan P. N. Exon Smith | ab659fb3 | 2015-03-30 19:40:05 +0000 | [diff] [blame] | 2733 | if (!DL) |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2734 | continue; |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2735 | |
| 2736 | if (DL == LastDL) { |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2737 | // Just repeat the same debug loc as last time. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2738 | Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2739 | continue; |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2740 | } |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2741 | |
Duncan P. N. Exon Smith | ab659fb3 | 2015-03-30 19:40:05 +0000 | [diff] [blame] | 2742 | Vals.push_back(DL->getLine()); |
| 2743 | Vals.push_back(DL->getColumn()); |
| 2744 | Vals.push_back(VE.getMetadataOrNullID(DL->getScope())); |
| 2745 | Vals.push_back(VE.getMetadataOrNullID(DL->getInlinedAt())); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2746 | Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); |
Duncan P. N. Exon Smith | 1facf7a | 2015-03-30 18:29:18 +0000 | [diff] [blame] | 2747 | Vals.clear(); |
Duncan P. N. Exon Smith | 538ef56 | 2015-05-06 22:51:12 +0000 | [diff] [blame] | 2748 | |
| 2749 | LastDL = DL; |
Chris Lattner | df1233d | 2007-05-06 00:00:00 +0000 | [diff] [blame] | 2750 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2751 | |
Chris Lattner | fb6f940 | 2007-05-01 02:14:57 +0000 | [diff] [blame] | 2752 | // Emit names for all the instructions etc. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2753 | writeValueSymbolTable(F.getValueSymbolTable()); |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 2754 | |
Chris Lattner | 07d09ed | 2010-04-03 02:17:50 +0000 | [diff] [blame] | 2755 | if (NeedsMetadataAttachment) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2756 | writeMetadataAttachment(F); |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 2757 | if (VE.shouldPreserveUseListOrder()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2758 | writeUseListBlock(&F); |
Chad Rosier | 6a11b64 | 2011-06-03 17:02:19 +0000 | [diff] [blame] | 2759 | VE.purgeFunction(); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2760 | Stream.ExitBlock(); |
Chris Lattner | 831d420 | 2007-04-26 03:27:58 +0000 | [diff] [blame] | 2761 | } |
| 2762 | |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 2763 | // Emit blockinfo, which defines the standard abbreviations etc. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2764 | void ModuleBitcodeWriter::writeBlockInfo() { |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 2765 | // 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] | 2766 | // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. |
Jan Wen Voung | 8c9e941 | 2012-10-11 21:45:16 +0000 | [diff] [blame] | 2767 | // Other blocks can define their abbrevs inline. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2768 | Stream.EnterBlockInfoBlock(2); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2769 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2770 | { // 8-bit fixed-width VST_CODE_ENTRY/VST_CODE_BBENTRY strings. |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2771 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2772 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); |
| 2773 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2774 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2775 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2776 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2777 | VST_ENTRY_8_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2778 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2779 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2780 | |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2781 | { // 7-bit fixed width VST_CODE_ENTRY strings. |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2782 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2783 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); |
| 2784 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2785 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2786 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2787 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2788 | VST_ENTRY_7_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2789 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2790 | } |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2791 | { // 6-bit char6 VST_CODE_ENTRY strings. |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2792 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2793 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); |
| 2794 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2795 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2796 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2797 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2798 | VST_ENTRY_6_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2799 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2800 | } |
Teresa Johnson | 79d4e2f | 2016-02-10 15:02:51 +0000 | [diff] [blame] | 2801 | { // 6-bit char6 VST_CODE_BBENTRY strings. |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2802 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2803 | Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); |
| 2804 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2805 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
Chris Lattner | e760d6f | 2007-05-05 01:26:50 +0000 | [diff] [blame] | 2806 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2807 | if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2808 | VST_BBENTRY_6_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2809 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | 982ec1e | 2007-05-05 00:17:00 +0000 | [diff] [blame] | 2810 | } |
Bill Wendling | 35a9c3c | 2011-04-10 23:18:04 +0000 | [diff] [blame] | 2811 | |
| 2812 | |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2813 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2814 | { // SETTYPE abbrev for CONSTANTS_BLOCK. |
| 2815 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2816 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); |
| 2817 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 2818 | VE.computeBitsRequiredForTypeIndicies())); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2819 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2820 | CONSTANTS_SETTYPE_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2821 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2822 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2823 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2824 | { // INTEGER abbrev for CONSTANTS_BLOCK. |
| 2825 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2826 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); |
| 2827 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2828 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2829 | CONSTANTS_INTEGER_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2830 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2831 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2832 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2833 | { // CE_CAST abbrev for CONSTANTS_BLOCK. |
| 2834 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2835 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); |
| 2836 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc |
| 2837 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 2838 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2839 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id |
| 2840 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2841 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2842 | CONSTANTS_CE_CAST_Abbrev) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2843 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2844 | } |
| 2845 | { // NULL abbrev for CONSTANTS_BLOCK. |
| 2846 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2847 | Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2848 | if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2849 | CONSTANTS_NULL_Abbrev) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2850 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2851 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2852 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 2853 | // FIXME: This should only use space for first class types! |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2854 | |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 2855 | { // INST_LOAD abbrev for FUNCTION_BLOCK. |
| 2856 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2857 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 2858 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr |
David Blaikie | 8503565 | 2015-02-25 01:07:20 +0000 | [diff] [blame] | 2859 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
| 2860 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 2861 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align |
| 2862 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2863 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2864 | FUNCTION_INST_LOAD_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2865 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | b80751d | 2007-05-05 07:44:49 +0000 | [diff] [blame] | 2866 | } |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2867 | { // INST_BINOP abbrev for FUNCTION_BLOCK. |
| 2868 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2869 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); |
| 2870 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS |
| 2871 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS |
| 2872 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2873 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2874 | FUNCTION_INST_BINOP_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2875 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2876 | } |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 2877 | { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. |
| 2878 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2879 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); |
| 2880 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS |
| 2881 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS |
| 2882 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
| 2883 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2884 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2885 | FUNCTION_INST_BINOP_FLAGS_ABBREV) |
Dan Gohman | 0ebd696 | 2009-07-20 21:19:07 +0000 | [diff] [blame] | 2886 | llvm_unreachable("Unexpected abbrev ordering!"); |
| 2887 | } |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2888 | { // INST_CAST abbrev for FUNCTION_BLOCK. |
| 2889 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2890 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); |
| 2891 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal |
| 2892 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
David Blaikie | 7b02810 | 2015-02-25 00:51:52 +0000 | [diff] [blame] | 2893 | VE.computeBitsRequiredForTypeIndicies())); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2894 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2895 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2896 | FUNCTION_INST_CAST_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2897 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | c67e6d9 | 2007-05-06 02:38:57 +0000 | [diff] [blame] | 2898 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2899 | |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2900 | { // INST_RET abbrev for FUNCTION_BLOCK. |
| 2901 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2902 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2903 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2904 | FUNCTION_INST_RET_VOID_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2905 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2906 | } |
| 2907 | { // INST_RET abbrev for FUNCTION_BLOCK. |
| 2908 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2909 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); |
| 2910 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2911 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2912 | FUNCTION_INST_RET_VAL_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2913 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2914 | } |
| 2915 | { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. |
| 2916 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2917 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2918 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2919 | FUNCTION_INST_UNREACHABLE_ABBREV) |
Torok Edwin | fbcc663 | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 2920 | llvm_unreachable("Unexpected abbrev ordering!"); |
Chris Lattner | cc6d4c9 | 2007-05-06 01:28:01 +0000 | [diff] [blame] | 2921 | } |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2922 | { |
| 2923 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2924 | Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_GEP)); |
| 2925 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); |
| 2926 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty |
| 2927 | Log2_32_Ceil(VE.getTypes().size() + 1))); |
| 2928 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2929 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2930 | if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) != |
David Blaikie | b5b5efd | 2015-02-25 01:08:52 +0000 | [diff] [blame] | 2931 | FUNCTION_INST_GEP_ABBREV) |
| 2932 | llvm_unreachable("Unexpected abbrev ordering!"); |
| 2933 | } |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 2934 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2935 | Stream.ExitBlock(); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 2936 | } |
| 2937 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2938 | /// Write the module path strings, currently only used when generating |
| 2939 | /// a combined index file. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 2940 | void IndexBitcodeWriter::writeModStrings() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2941 | Stream.EnterSubblock(bitc::MODULE_STRTAB_BLOCK_ID, 3); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2942 | |
| 2943 | // TODO: See which abbrev sizes we actually need to emit |
| 2944 | |
| 2945 | // 8-bit fixed-width MST_ENTRY strings. |
| 2946 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 2947 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 2948 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2949 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2950 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2951 | unsigned Abbrev8Bit = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2952 | |
| 2953 | // 7-bit fixed width MST_ENTRY strings. |
| 2954 | Abbv = new BitCodeAbbrev(); |
| 2955 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 2956 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2957 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2958 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2959 | unsigned Abbrev7Bit = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2960 | |
| 2961 | // 6-bit char6 MST_ENTRY strings. |
| 2962 | Abbv = new BitCodeAbbrev(); |
| 2963 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_ENTRY)); |
| 2964 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
| 2965 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 2966 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2967 | unsigned Abbrev6Bit = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2968 | |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 2969 | // Module Hash, 160 bits SHA1. Optionally, emitted after each MST_CODE_ENTRY. |
| 2970 | Abbv = new BitCodeAbbrev(); |
| 2971 | Abbv->Add(BitCodeAbbrevOp(bitc::MST_CODE_HASH)); |
| 2972 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 2973 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 2974 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 2975 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
| 2976 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2977 | unsigned AbbrevHash = Stream.EmitAbbrev(Abbv); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 2978 | |
| 2979 | SmallVector<unsigned, 64> Vals; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2980 | for (const auto &MPSE : Index.modulePaths()) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2981 | StringEncoding Bits = |
| 2982 | getStringEncoding(MPSE.getKey().data(), MPSE.getKey().size()); |
| 2983 | unsigned AbbrevToUse = Abbrev8Bit; |
| 2984 | if (Bits == SE_Char6) |
| 2985 | AbbrevToUse = Abbrev6Bit; |
| 2986 | else if (Bits == SE_Fixed7) |
| 2987 | AbbrevToUse = Abbrev7Bit; |
| 2988 | |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 2989 | Vals.push_back(MPSE.getValue().first); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2990 | |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 2991 | for (const auto P : MPSE.getKey()) |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 2992 | Vals.push_back((unsigned char)P); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 2993 | |
| 2994 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 2995 | Stream.EmitRecord(bitc::MST_CODE_ENTRY, Vals, AbbrevToUse); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 2996 | |
| 2997 | Vals.clear(); |
| 2998 | // Emit an optional hash for the module now |
| 2999 | auto &Hash = MPSE.getValue().second; |
| 3000 | bool AllZero = true; // Detect if the hash is empty, and do not generate it |
| 3001 | for (auto Val : Hash) { |
| 3002 | if (Val) |
| 3003 | AllZero = false; |
| 3004 | Vals.push_back(Val); |
| 3005 | } |
| 3006 | if (!AllZero) { |
| 3007 | // Emit the hash record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3008 | Stream.EmitRecord(bitc::MST_CODE_HASH, Vals, AbbrevHash); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3009 | } |
| 3010 | |
| 3011 | Vals.clear(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3012 | } |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3013 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3014 | } |
| 3015 | |
| 3016 | // Helper to emit a single function summary record. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3017 | void ModuleBitcodeWriter::writePerModuleFunctionSummaryRecord( |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3018 | SmallVector<uint64_t, 64> &NameVals, GlobalValueInfo *Info, |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3019 | unsigned ValueID, unsigned FSCallsAbbrev, unsigned FSCallsProfileAbbrev, |
| 3020 | const Function &F) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3021 | NameVals.push_back(ValueID); |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3022 | |
| 3023 | FunctionSummary *FS = cast<FunctionSummary>(Info->summary()); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3024 | NameVals.push_back(getEncodedLinkage(FS->linkage())); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3025 | NameVals.push_back(FS->instCount()); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3026 | NameVals.push_back(FS->refs().size()); |
| 3027 | |
| 3028 | for (auto &RI : FS->refs()) |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3029 | NameVals.push_back(VE.getValueID(RI.getValue())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3030 | |
| 3031 | bool HasProfileData = F.getEntryCount().hasValue(); |
Teresa Johnson | aae2610 | 2016-03-25 18:59:13 +0000 | [diff] [blame] | 3032 | for (auto &ECI : FS->calls()) { |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3033 | NameVals.push_back(VE.getValueID(ECI.first.getValue())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3034 | assert(ECI.second.CallsiteCount > 0 && "Expected at least one callsite"); |
| 3035 | NameVals.push_back(ECI.second.CallsiteCount); |
| 3036 | if (HasProfileData) |
| 3037 | NameVals.push_back(ECI.second.ProfileCount); |
| 3038 | } |
| 3039 | |
| 3040 | unsigned FSAbbrev = (HasProfileData ? FSCallsProfileAbbrev : FSCallsAbbrev); |
| 3041 | unsigned Code = |
| 3042 | (HasProfileData ? bitc::FS_PERMODULE_PROFILE : bitc::FS_PERMODULE); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3043 | |
| 3044 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3045 | Stream.EmitRecord(Code, NameVals, FSAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3046 | NameVals.clear(); |
| 3047 | } |
| 3048 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3049 | // Collect the global value references in the given variable's initializer, |
| 3050 | // and emit them in a summary record. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3051 | void ModuleBitcodeWriter::writeModuleLevelReferences( |
| 3052 | const GlobalVariable &V, SmallVector<uint64_t, 64> &NameVals, |
| 3053 | unsigned FSModRefsAbbrev) { |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3054 | // Only interested in recording variable defs in the summary. |
| 3055 | if (V.isDeclaration()) |
| 3056 | return; |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3057 | NameVals.push_back(VE.getValueID(&V)); |
| 3058 | NameVals.push_back(getEncodedLinkage(V.getLinkage())); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3059 | auto *Info = Index->getGlobalValueInfo(V); |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3060 | GlobalVarSummary *VS = cast<GlobalVarSummary>(Info->summary()); |
| 3061 | for (auto Ref : VS->refs()) |
| 3062 | NameVals.push_back(VE.getValueID(Ref.getValue())); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3063 | Stream.EmitRecord(bitc::FS_PERMODULE_GLOBALVAR_INIT_REFS, NameVals, |
| 3064 | FSModRefsAbbrev); |
Teresa Johnson | 1396809 | 2016-03-15 19:35:45 +0000 | [diff] [blame] | 3065 | NameVals.clear(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3066 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3067 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3068 | /// Emit the per-module summary section alongside the rest of |
| 3069 | /// the module's bitcode. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3070 | void ModuleBitcodeWriter::writePerModuleGlobalValueSummary() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3071 | if (M.empty()) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3072 | return; |
| 3073 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3074 | if (Index->begin() == Index->end()) |
Teresa Johnson | b35cc69 | 2016-04-20 14:39:45 +0000 | [diff] [blame] | 3075 | return; |
| 3076 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3077 | Stream.EnterSubblock(bitc::GLOBALVAL_SUMMARY_BLOCK_ID, 3); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3078 | |
| 3079 | // Abbrev for FS_PERMODULE. |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3080 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3081 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE)); |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 3082 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 3083 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
Teresa Johnson | f72278f | 2015-11-02 18:02:11 +0000 | [diff] [blame] | 3084 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3085 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
| 3086 | // numrefs x valueid, n x (valueid, callsitecount) |
| 3087 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3088 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3089 | unsigned FSCallsAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3090 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3091 | // Abbrev for FS_PERMODULE_PROFILE. |
| 3092 | Abbv = new BitCodeAbbrev(); |
| 3093 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE_PROFILE)); |
| 3094 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
| 3095 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3096 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3097 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
| 3098 | // numrefs x valueid, n x (valueid, callsitecount, profilecount) |
| 3099 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3100 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3101 | unsigned FSCallsProfileAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3102 | |
| 3103 | // Abbrev for FS_PERMODULE_GLOBALVAR_INIT_REFS. |
| 3104 | Abbv = new BitCodeAbbrev(); |
| 3105 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE_GLOBALVAR_INIT_REFS)); |
| 3106 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
| 3107 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3108 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); // valueids |
| 3109 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3110 | unsigned FSModRefsAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3111 | |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3112 | // Abbrev for FS_ALIAS. |
| 3113 | Abbv = new BitCodeAbbrev(); |
| 3114 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_ALIAS)); |
| 3115 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
| 3116 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3117 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // valueid |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3118 | unsigned FSAliasAbbrev = Stream.EmitAbbrev(Abbv); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3119 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3120 | SmallVector<uint64_t, 64> NameVals; |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3121 | // Iterate over the list of functions instead of the Index to |
Teresa Johnson | 2d9da4dc | 2016-02-01 20:16:35 +0000 | [diff] [blame] | 3122 | // ensure the ordering is stable. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3123 | for (const Function &F : M) { |
Teresa Johnson | 2d9da4dc | 2016-02-01 20:16:35 +0000 | [diff] [blame] | 3124 | if (F.isDeclaration()) |
| 3125 | continue; |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3126 | // Summary emission does not support anonymous functions, they have to |
| 3127 | // renamed using the anonymous function renaming pass. |
Teresa Johnson | 2d9da4dc | 2016-02-01 20:16:35 +0000 | [diff] [blame] | 3128 | if (!F.hasName()) |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3129 | report_fatal_error("Unexpected anonymous function when writing summary"); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3130 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3131 | auto *Info = Index->getGlobalValueInfo(F); |
| 3132 | writePerModuleFunctionSummaryRecord( |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3133 | NameVals, Info, |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3134 | VE.getValueID(M.getValueSymbolTable().lookup(F.getName())), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3135 | FSCallsAbbrev, FSCallsProfileAbbrev, F); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3136 | } |
| 3137 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3138 | // Capture references from GlobalVariable initializers, which are outside |
| 3139 | // of a function scope. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3140 | for (const GlobalVariable &G : M.globals()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3141 | writeModuleLevelReferences(G, NameVals, FSModRefsAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3142 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3143 | for (const GlobalAlias &A : M.aliases()) { |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3144 | auto *Aliasee = A.getBaseObject(); |
| 3145 | if (!Aliasee->hasName()) |
| 3146 | // Nameless function don't have an entry in the summary, skip it. |
| 3147 | continue; |
| 3148 | auto AliasId = VE.getValueID(&A); |
| 3149 | auto AliaseeId = VE.getValueID(Aliasee); |
| 3150 | NameVals.push_back(AliasId); |
| 3151 | NameVals.push_back(getEncodedLinkage(A.getLinkage())); |
| 3152 | NameVals.push_back(AliaseeId); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3153 | Stream.EmitRecord(bitc::FS_ALIAS, NameVals, FSAliasAbbrev); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3154 | NameVals.clear(); |
| 3155 | } |
| 3156 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3157 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3158 | } |
| 3159 | |
Teresa Johnson | 26ab577 | 2016-03-15 00:04:37 +0000 | [diff] [blame] | 3160 | /// Emit the combined summary section into the combined index file. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3161 | void IndexBitcodeWriter::writeCombinedGlobalValueSummary() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3162 | Stream.EnterSubblock(bitc::GLOBALVAL_SUMMARY_BLOCK_ID, 3); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3163 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3164 | // Abbrev for FS_COMBINED. |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3165 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3166 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED)); |
| 3167 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
Teresa Johnson | 5e22e44 | 2016-02-06 16:07:35 +0000 | [diff] [blame] | 3168 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3169 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3170 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
| 3171 | // numrefs x valueid, n x (valueid, callsitecount) |
| 3172 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3173 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3174 | unsigned FSCallsAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3175 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3176 | // Abbrev for FS_COMBINED_PROFILE. |
| 3177 | Abbv = new BitCodeAbbrev(); |
| 3178 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_PROFILE)); |
| 3179 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
| 3180 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3181 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // instcount |
| 3182 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numrefs |
| 3183 | // numrefs x valueid, n x (valueid, callsitecount, profilecount) |
| 3184 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3185 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3186 | unsigned FSCallsProfileAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3187 | |
| 3188 | // Abbrev for FS_COMBINED_GLOBALVAR_INIT_REFS. |
| 3189 | Abbv = new BitCodeAbbrev(); |
| 3190 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_GLOBALVAR_INIT_REFS)); |
| 3191 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
| 3192 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3193 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); // valueids |
| 3194 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3195 | unsigned FSModRefsAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3196 | |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3197 | // Abbrev for FS_COMBINED_ALIAS. |
| 3198 | Abbv = new BitCodeAbbrev(); |
| 3199 | Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_ALIAS)); |
| 3200 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // modid |
| 3201 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // linkage |
| 3202 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // offset |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3203 | unsigned FSAliasAbbrev = Stream.EmitAbbrev(Abbv); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3204 | |
| 3205 | // The aliases are emitted as a post-pass, and will point to the summary |
| 3206 | // offset id of the aliasee. For this purpose we need to be able to get back |
| 3207 | // from the summary to the offset |
| 3208 | SmallVector<GlobalValueInfo *, 64> Aliases; |
| 3209 | DenseMap<const GlobalValueSummary *, uint64_t> SummaryToOffsetMap; |
| 3210 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3211 | SmallVector<uint64_t, 64> NameVals; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3212 | for (const auto &FII : Index) { |
Teresa Johnson | e1164de | 2016-02-10 21:55:02 +0000 | [diff] [blame] | 3213 | for (auto &FI : FII.second) { |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3214 | GlobalValueSummary *S = FI->summary(); |
| 3215 | assert(S); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3216 | if (isa<AliasSummary>(S)) { |
| 3217 | // Will process aliases as a post-pass because the reader wants all |
| 3218 | // global to be loaded first. |
| 3219 | Aliases.push_back(FI.get()); |
| 3220 | continue; |
| 3221 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3222 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3223 | if (auto *VS = dyn_cast<GlobalVarSummary>(S)) { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3224 | NameVals.push_back(Index.getModuleId(VS->modulePath())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3225 | NameVals.push_back(getEncodedLinkage(VS->linkage())); |
| 3226 | for (auto &RI : VS->refs()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3227 | NameVals.push_back(getValueId(RI.getGUID())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3228 | } |
| 3229 | |
| 3230 | // Record the starting offset of this summary entry for use |
| 3231 | // in the VST entry. Add the current code size since the |
| 3232 | // reader will invoke readRecord after the abbrev id read. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3233 | FI->setBitcodeIndex(Stream.GetCurrentBitNo() + |
| 3234 | Stream.GetAbbrevIDWidth()); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3235 | // Store temporarily the offset in the map for a possible alias. |
| 3236 | SummaryToOffsetMap[S] = FI->bitcodeIndex(); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3237 | |
| 3238 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3239 | Stream.EmitRecord(bitc::FS_COMBINED_GLOBALVAR_INIT_REFS, NameVals, |
| 3240 | FSModRefsAbbrev); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3241 | NameVals.clear(); |
| 3242 | continue; |
| 3243 | } |
| 3244 | |
Teresa Johnson | 2794f71 | 2016-03-15 02:41:29 +0000 | [diff] [blame] | 3245 | auto *FS = cast<FunctionSummary>(S); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3246 | NameVals.push_back(Index.getModuleId(FS->modulePath())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3247 | NameVals.push_back(getEncodedLinkage(FS->linkage())); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3248 | NameVals.push_back(FS->instCount()); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3249 | NameVals.push_back(FS->refs().size()); |
| 3250 | |
| 3251 | for (auto &RI : FS->refs()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3252 | NameVals.push_back(getValueId(RI.getGUID())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3253 | } |
| 3254 | |
| 3255 | bool HasProfileData = false; |
Teresa Johnson | aae2610 | 2016-03-25 18:59:13 +0000 | [diff] [blame] | 3256 | for (auto &EI : FS->calls()) { |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3257 | HasProfileData |= EI.second.ProfileCount != 0; |
| 3258 | if (HasProfileData) |
| 3259 | break; |
| 3260 | } |
| 3261 | |
Teresa Johnson | aae2610 | 2016-03-25 18:59:13 +0000 | [diff] [blame] | 3262 | for (auto &EI : FS->calls()) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3263 | // If this GUID doesn't have a value id, it doesn't have a function |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3264 | // summary and we don't need to record any calls to it. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3265 | if (!hasValueId(EI.first.getGUID())) |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3266 | continue; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3267 | NameVals.push_back(getValueId(EI.first.getGUID())); |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3268 | assert(EI.second.CallsiteCount > 0 && "Expected at least one callsite"); |
| 3269 | NameVals.push_back(EI.second.CallsiteCount); |
| 3270 | if (HasProfileData) |
| 3271 | NameVals.push_back(EI.second.ProfileCount); |
| 3272 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3273 | |
| 3274 | // Record the starting offset of this summary entry for use |
| 3275 | // in the VST entry. Add the current code size since the |
| 3276 | // reader will invoke readRecord after the abbrev id read. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3277 | FI->setBitcodeIndex(Stream.GetCurrentBitNo() + Stream.GetAbbrevIDWidth()); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3278 | // Store temporarily the offset in the map for a possible alias. |
| 3279 | SummaryToOffsetMap[S] = FI->bitcodeIndex(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3280 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3281 | unsigned FSAbbrev = |
| 3282 | (HasProfileData ? FSCallsProfileAbbrev : FSCallsAbbrev); |
| 3283 | unsigned Code = |
| 3284 | (HasProfileData ? bitc::FS_COMBINED_PROFILE : bitc::FS_COMBINED); |
| 3285 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3286 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3287 | Stream.EmitRecord(Code, NameVals, FSAbbrev); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3288 | NameVals.clear(); |
| 3289 | } |
| 3290 | } |
| 3291 | |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3292 | for (auto GVI : Aliases) { |
| 3293 | AliasSummary *AS = cast<AliasSummary>(GVI->summary()); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3294 | NameVals.push_back(Index.getModuleId(AS->modulePath())); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3295 | NameVals.push_back(getEncodedLinkage(AS->linkage())); |
| 3296 | auto AliaseeOffset = SummaryToOffsetMap[&AS->getAliasee()]; |
| 3297 | assert(AliaseeOffset); |
| 3298 | NameVals.push_back(AliaseeOffset); |
| 3299 | |
| 3300 | // Record the starting offset of this summary entry for use |
| 3301 | // in the VST entry. Add the current code size since the |
| 3302 | // reader will invoke readRecord after the abbrev id read. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3303 | GVI->setBitcodeIndex(Stream.GetCurrentBitNo() + Stream.GetAbbrevIDWidth()); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3304 | |
| 3305 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3306 | Stream.EmitRecord(bitc::FS_COMBINED_ALIAS, NameVals, FSAliasAbbrev); |
Mehdi Amini | 2d28f7a | 2016-04-16 06:56:44 +0000 | [diff] [blame] | 3307 | NameVals.clear(); |
| 3308 | } |
| 3309 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3310 | Stream.ExitBlock(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3311 | } |
| 3312 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3313 | void ModuleBitcodeWriter::writeIdentificationBlock() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3314 | Stream.EnterSubblock(bitc::IDENTIFICATION_BLOCK_ID, 5); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3315 | |
| 3316 | // Write the "user readable" string identifying the bitcode producer |
| 3317 | BitCodeAbbrev *Abbv = new BitCodeAbbrev(); |
| 3318 | Abbv->Add(BitCodeAbbrevOp(bitc::IDENTIFICATION_CODE_STRING)); |
| 3319 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
| 3320 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3321 | auto StringAbbrev = Stream.EmitAbbrev(Abbv); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3322 | writeStringRecord(bitc::IDENTIFICATION_CODE_STRING, |
| 3323 | "LLVM" LLVM_VERSION_STRING, StringAbbrev); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3324 | |
| 3325 | // Write the epoch version |
| 3326 | Abbv = new BitCodeAbbrev(); |
| 3327 | Abbv->Add(BitCodeAbbrevOp(bitc::IDENTIFICATION_CODE_EPOCH)); |
| 3328 | Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3329 | auto EpochAbbrev = Stream.EmitAbbrev(Abbv); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3330 | SmallVector<unsigned, 1> Vals = {bitc::BITCODE_CURRENT_EPOCH}; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3331 | Stream.EmitRecord(bitc::IDENTIFICATION_CODE_EPOCH, Vals, EpochAbbrev); |
| 3332 | Stream.ExitBlock(); |
Mehdi Amini | 5d30328 | 2015-10-26 18:37:00 +0000 | [diff] [blame] | 3333 | } |
| 3334 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3335 | void ModuleBitcodeWriter::writeModuleHash(size_t BlockStartPos) { |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3336 | // Emit the module's hash. |
| 3337 | // MODULE_CODE_HASH: [5*i32] |
| 3338 | SHA1 Hasher; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3339 | Hasher.update(ArrayRef<uint8_t>((uint8_t *)&(Buffer)[BlockStartPos], |
| 3340 | Buffer.size() - BlockStartPos)); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3341 | auto Hash = Hasher.result(); |
| 3342 | SmallVector<uint64_t, 20> Vals; |
| 3343 | auto LShift = [&](unsigned char Val, unsigned Amount) |
| 3344 | -> uint64_t { return ((uint64_t)Val) << Amount; }; |
| 3345 | for (int Pos = 0; Pos < 20; Pos += 4) { |
| 3346 | uint32_t SubHash = LShift(Hash[Pos + 0], 24); |
| 3347 | SubHash |= LShift(Hash[Pos + 1], 16) | LShift(Hash[Pos + 2], 8) | |
| 3348 | (unsigned)(unsigned char)Hash[Pos + 3]; |
| 3349 | Vals.push_back(SubHash); |
| 3350 | } |
| 3351 | |
| 3352 | // Emit the finished record. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3353 | Stream.EmitRecord(bitc::MODULE_CODE_HASH, Vals); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3354 | } |
| 3355 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3356 | void BitcodeWriter::write() { |
| 3357 | // Emit the file header first. |
| 3358 | writeBitcodeHeader(); |
| 3359 | |
| 3360 | writeBlocks(); |
| 3361 | } |
| 3362 | |
| 3363 | void ModuleBitcodeWriter::writeBlocks() { |
| 3364 | writeIdentificationBlock(); |
| 3365 | writeModule(); |
| 3366 | } |
| 3367 | |
| 3368 | void IndexBitcodeWriter::writeBlocks() { |
| 3369 | // Index contains only a single outer (module) block. |
| 3370 | writeIndex(); |
| 3371 | } |
| 3372 | |
| 3373 | void ModuleBitcodeWriter::writeModule() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3374 | Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); |
| 3375 | size_t BlockStartPos = Buffer.size(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3376 | |
Jan Wen Voung | afaced0 | 2012-10-11 20:20:40 +0000 | [diff] [blame] | 3377 | SmallVector<unsigned, 1> Vals; |
| 3378 | unsigned CurVersion = 1; |
| 3379 | Vals.push_back(CurVersion); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3380 | Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3381 | |
| 3382 | // Emit blockinfo, which defines the standard abbreviations etc. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3383 | writeBlockInfo(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3384 | |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 3385 | // Emit information about attribute groups. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3386 | writeAttributeGroupTable(); |
Bill Wendling | dc09555 | 2013-02-10 23:09:32 +0000 | [diff] [blame] | 3387 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3388 | // Emit information about parameter attributes. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3389 | writeAttributeTable(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3390 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3391 | // Emit information describing all of the types in the module. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3392 | writeTypeTable(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3393 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3394 | writeComdats(); |
David Majnemer | dad0a64 | 2014-06-27 18:19:56 +0000 | [diff] [blame] | 3395 | |
Chris Lattner | da5e5d2 | 2007-05-05 07:36:14 +0000 | [diff] [blame] | 3396 | // Emit top-level description of module, including target triple, inline asm, |
| 3397 | // descriptors for global variables, and function prototype info. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3398 | writeModuleInfo(); |
Devang Patel | 7428d8a | 2009-07-22 17:43:22 +0000 | [diff] [blame] | 3399 | |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 3400 | // Emit constants. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3401 | writeModuleConstants(); |
Devang Patel | e059ba6e | 2009-07-23 01:07:34 +0000 | [diff] [blame] | 3402 | |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 3403 | // Emit metadata. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3404 | writeModuleMetadata(); |
Devang Patel | 8cca7b4 | 2009-08-04 05:01:35 +0000 | [diff] [blame] | 3405 | |
Devang Patel | af206b8 | 2009-09-18 19:26:43 +0000 | [diff] [blame] | 3406 | // Emit metadata. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3407 | writeModuleMetadataStore(); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3408 | |
Duncan P. N. Exon Smith | 1f66c85 | 2014-07-28 21:19:41 +0000 | [diff] [blame] | 3409 | // Emit module-level use-lists. |
Duncan P. N. Exon Smith | 458593a | 2015-04-14 23:45:11 +0000 | [diff] [blame] | 3410 | if (VE.shouldPreserveUseListOrder()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3411 | writeUseListBlock(nullptr); |
Chad Rosier | ca2567b | 2011-12-07 21:44:12 +0000 | [diff] [blame] | 3412 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3413 | writeOperandBundleTags(); |
Sanjoy Das | b513a9f | 2015-09-24 23:34:52 +0000 | [diff] [blame] | 3414 | |
Derek Schuff | 8b2dcad | 2012-02-06 22:30:29 +0000 | [diff] [blame] | 3415 | // Emit function bodies. |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3416 | DenseMap<const Function *, uint64_t> FunctionToBitcodeIndex; |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3417 | 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] | 3418 | if (!F->isDeclaration()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3419 | writeFunction(*F, FunctionToBitcodeIndex); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3420 | |
| 3421 | // Need to write after the above call to WriteFunction which populates |
| 3422 | // the summary information in the index. |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3423 | if (Index) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3424 | writePerModuleGlobalValueSummary(); |
Teresa Johnson | ff642b9 | 2015-09-17 20:12:00 +0000 | [diff] [blame] | 3425 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3426 | writeValueSymbolTable(M.getValueSymbolTable(), |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3427 | /* IsModuleLevel */ true, &FunctionToBitcodeIndex); |
Derek Schuff | 8b2dcad | 2012-02-06 22:30:29 +0000 | [diff] [blame] | 3428 | |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3429 | if (GenerateHash) { |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3430 | writeModuleHash(BlockStartPos); |
Mehdi Amini | d7ad221 | 2016-04-01 05:33:11 +0000 | [diff] [blame] | 3431 | } |
| 3432 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3433 | Stream.ExitBlock(); |
Chris Lattner | 702658c | 2007-05-04 18:26:27 +0000 | [diff] [blame] | 3434 | } |
| 3435 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3436 | static void writeInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, |
| 3437 | uint32_t &Position) { |
| 3438 | support::endian::write32le(&Buffer[Position], Value); |
| 3439 | Position += 4; |
| 3440 | } |
| 3441 | |
| 3442 | /// If generating a bc file on darwin, we have to emit a |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3443 | /// header and trailer to make it compatible with the system archiver. To do |
| 3444 | /// this we emit the following header, and then emit a trailer that pads the |
| 3445 | /// file out to be a multiple of 16 bytes. |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3446 | /// |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3447 | /// struct bc_header { |
| 3448 | /// uint32_t Magic; // 0x0B17C0DE |
| 3449 | /// uint32_t Version; // Version, currently always 0. |
| 3450 | /// uint32_t BitcodeOffset; // Offset to traditional bitcode file. |
| 3451 | /// uint32_t BitcodeSize; // Size of traditional bitcode file. |
| 3452 | /// uint32_t CPUType; // CPU specifier. |
| 3453 | /// ... potentially more later ... |
| 3454 | /// }; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3455 | static void emitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3456 | const Triple &TT) { |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3457 | unsigned CPUType = ~0U; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3458 | |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3459 | // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, |
Evan Cheng | 545d360 | 2010-02-12 20:39:35 +0000 | [diff] [blame] | 3460 | // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic |
| 3461 | // number from /usr/include/mach/machine.h. It is ok to reproduce the |
| 3462 | // specific constants here because they are implicitly part of the Darwin ABI. |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3463 | enum { |
| 3464 | DARWIN_CPU_ARCH_ABI64 = 0x01000000, |
| 3465 | DARWIN_CPU_TYPE_X86 = 7, |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3466 | DARWIN_CPU_TYPE_ARM = 12, |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3467 | DARWIN_CPU_TYPE_POWERPC = 18 |
| 3468 | }; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3469 | |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3470 | Triple::ArchType Arch = TT.getArch(); |
| 3471 | if (Arch == Triple::x86_64) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3472 | CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3473 | else if (Arch == Triple::x86) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3474 | CPUType = DARWIN_CPU_TYPE_X86; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3475 | else if (Arch == Triple::ppc) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3476 | CPUType = DARWIN_CPU_TYPE_POWERPC; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3477 | else if (Arch == Triple::ppc64) |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3478 | CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; |
Evan Cheng | cffdcae | 2011-06-14 01:51:33 +0000 | [diff] [blame] | 3479 | else if (Arch == Triple::arm || Arch == Triple::thumb) |
Evan Cheng | 9aa30fb | 2010-02-12 20:13:44 +0000 | [diff] [blame] | 3480 | CPUType = DARWIN_CPU_TYPE_ARM; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3481 | |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3482 | // Traditional Bitcode starts after header. |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3483 | assert(Buffer.size() >= BWH_HeaderSize && |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3484 | "Expected header size to be reserved"); |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3485 | unsigned BCOffset = BWH_HeaderSize; |
| 3486 | unsigned BCSize = Buffer.size() - BWH_HeaderSize; |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3487 | |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3488 | // Write the magic and version. |
| 3489 | unsigned Position = 0; |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3490 | writeInt32ToBuffer(0x0B17C0DE, Buffer, Position); |
| 3491 | writeInt32ToBuffer(0, Buffer, Position); // Version. |
| 3492 | writeInt32ToBuffer(BCOffset, Buffer, Position); |
| 3493 | writeInt32ToBuffer(BCSize, Buffer, Position); |
| 3494 | writeInt32ToBuffer(CPUType, Buffer, Position); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3495 | |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3496 | // 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] | 3497 | while (Buffer.size() & 15) |
| 3498 | Buffer.push_back(0); |
Chris Lattner | a660f4b | 2008-07-09 05:14:23 +0000 | [diff] [blame] | 3499 | } |
| 3500 | |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3501 | /// Helper to write the header common to all bitcode files. |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3502 | void BitcodeWriter::writeBitcodeHeader() { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3503 | // Emit the file header. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3504 | Stream.Emit((unsigned)'B', 8); |
| 3505 | Stream.Emit((unsigned)'C', 8); |
| 3506 | Stream.Emit(0x0, 4); |
| 3507 | Stream.Emit(0xC, 4); |
| 3508 | Stream.Emit(0xE, 4); |
| 3509 | Stream.Emit(0xD, 4); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3510 | } |
| 3511 | |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 3512 | /// WriteBitcodeToFile - Write the specified module to the specified output |
| 3513 | /// stream. |
Duncan P. N. Exon Smith | a052ed6 | 2015-04-15 00:10:50 +0000 | [diff] [blame] | 3514 | void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out, |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3515 | bool ShouldPreserveUseListOrder, |
Teresa Johnson | 2d5487c | 2016-04-11 13:58:45 +0000 | [diff] [blame] | 3516 | const ModuleSummaryIndex *Index, |
| 3517 | bool GenerateHash) { |
Michael Ilseman | e26658d | 2012-12-03 21:29:36 +0000 | [diff] [blame] | 3518 | SmallVector<char, 0> Buffer; |
Chris Lattner | c1d10d6 | 2007-04-22 06:24:45 +0000 | [diff] [blame] | 3519 | Buffer.reserve(256*1024); |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3520 | |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3521 | // If this is darwin or another generic macho target, reserve space for the |
| 3522 | // header. |
| 3523 | Triple TT(M->getTargetTriple()); |
Akira Hatanaka | 1235d28 | 2016-01-23 16:02:10 +0000 | [diff] [blame] | 3524 | if (TT.isOSDarwin() || TT.isOSBinFormatMachO()) |
Akira Hatanaka | 4f472a88 | 2016-01-29 05:55:09 +0000 | [diff] [blame] | 3525 | Buffer.insert(Buffer.begin(), BWH_HeaderSize, 0); |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3526 | |
| 3527 | // Emit the module into the buffer. |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3528 | ModuleBitcodeWriter ModuleWriter(M, Buffer, ShouldPreserveUseListOrder, Index, |
| 3529 | GenerateHash); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3530 | ModuleWriter.write(); |
Daniel Dunbar | 6e45c02 | 2012-02-29 20:31:01 +0000 | [diff] [blame] | 3531 | |
Akira Hatanaka | 1235d28 | 2016-01-23 16:02:10 +0000 | [diff] [blame] | 3532 | if (TT.isOSDarwin() || TT.isOSBinFormatMachO()) |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3533 | emitDarwinBCHeaderAndTrailer(Buffer, TT); |
Daniel Dunbar | 7d6781b | 2009-09-20 02:20:51 +0000 | [diff] [blame] | 3534 | |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3535 | // Write the generated bitstream to "Out". |
| 3536 | Out.write((char*)&Buffer.front(), Buffer.size()); |
Chris Lattner | af4c0bf | 2008-12-19 18:37:59 +0000 | [diff] [blame] | 3537 | } |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3538 | |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3539 | void IndexBitcodeWriter::writeIndex() { |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3540 | Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3541 | |
| 3542 | SmallVector<unsigned, 1> Vals; |
| 3543 | unsigned CurVersion = 1; |
| 3544 | Vals.push_back(CurVersion); |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3545 | Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3546 | |
| 3547 | // If we have a VST, write the VSTOFFSET record placeholder. |
| 3548 | writeValueSymbolTableForwardDecl(); |
| 3549 | |
| 3550 | // Write the module paths in the combined index. |
| 3551 | writeModStrings(); |
| 3552 | |
| 3553 | // Write the summary combined index records. |
| 3554 | writeCombinedGlobalValueSummary(); |
| 3555 | |
| 3556 | // Need a special VST writer for the combined index (we don't have a |
| 3557 | // real VST and real values when this is invoked). |
| 3558 | writeCombinedValueSymbolTable(); |
| 3559 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3560 | Stream.ExitBlock(); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3561 | } |
| 3562 | |
Teresa Johnson | 76a1c1d | 2016-03-11 18:52:24 +0000 | [diff] [blame] | 3563 | // Write the specified module summary index to the given raw output stream, |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3564 | // where it will be written in a new bitcode block. This is used when |
| 3565 | // writing the combined index file for ThinLTO. |
Teresa Johnson | 26ab577 | 2016-03-15 00:04:37 +0000 | [diff] [blame] | 3566 | void llvm::WriteIndexToFile(const ModuleSummaryIndex &Index, raw_ostream &Out) { |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3567 | SmallVector<char, 0> Buffer; |
| 3568 | Buffer.reserve(256 * 1024); |
| 3569 | |
Teresa Johnson | c814e0c | 2016-04-23 04:31:20 +0000 | [diff] [blame^] | 3570 | IndexBitcodeWriter IndexWriter(Buffer, Index); |
Teresa Johnson | 37687f3 | 2016-04-23 04:30:47 +0000 | [diff] [blame] | 3571 | IndexWriter.write(); |
Teresa Johnson | 403a787 | 2015-10-04 14:33:43 +0000 | [diff] [blame] | 3572 | |
| 3573 | Out.write((char *)&Buffer.front(), Buffer.size()); |
| 3574 | } |