Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 1 | //===--- CodeGenModule.h - Per-Module state for LLVM CodeGen ----*- C++ -*-===// |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 0bc735f | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 10 | // This is the internal per-translation-unit state used for llvm translation. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Chris Lattner | ef52a2f | 2008-02-29 17:10:38 +0000 | [diff] [blame] | 14 | #ifndef CLANG_CODEGEN_CODEGENMODULE_H |
| 15 | #define CLANG_CODEGEN_CODEGENMODULE_H |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 16 | |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 17 | #include "CGVTables.h" |
| 18 | #include "CodeGenTypes.h" |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 19 | #include "clang/AST/Attr.h" |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 20 | #include "clang/AST/DeclCXX.h" |
Anders Carlsson | 0ff8baf | 2009-09-11 00:07:24 +0000 | [diff] [blame] | 21 | #include "clang/AST/DeclObjC.h" |
Peter Collingbourne | fd05ca0 | 2011-06-14 04:02:39 +0000 | [diff] [blame] | 22 | #include "clang/AST/GlobalDecl.h" |
Peter Collingbourne | 1411047 | 2011-01-13 18:57:25 +0000 | [diff] [blame] | 23 | #include "clang/AST/Mangle.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 24 | #include "clang/Basic/ABI.h" |
| 25 | #include "clang/Basic/LangOptions.h" |
Douglas Gregor | b6cbe51 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 26 | #include "clang/Basic/Module.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 27 | #include "llvm/ADT/DenseMap.h" |
Douglas Gregor | b6cbe51 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 28 | #include "llvm/ADT/SetVector.h" |
Rafael Espindola | 6a83670 | 2010-03-04 18:17:24 +0000 | [diff] [blame] | 29 | #include "llvm/ADT/SmallPtrSet.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringMap.h" |
Chandler Carruth | 3b844ba | 2013-01-02 11:45:17 +0000 | [diff] [blame] | 31 | #include "llvm/IR/Module.h" |
Chris Lattner | 35f38a2 | 2009-03-31 22:37:52 +0000 | [diff] [blame] | 32 | #include "llvm/Support/ValueHandle.h" |
Will Dietz | 4f45bc0 | 2013-01-18 11:30:38 +0000 | [diff] [blame^] | 33 | #include "llvm/Transforms/Utils/BlackList.h" |
Anders Carlsson | b723f75 | 2009-01-04 02:08:04 +0000 | [diff] [blame] | 34 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | namespace llvm { |
| 36 | class Module; |
| 37 | class Constant; |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 38 | class ConstantInt; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 39 | class Function; |
Nate Begeman | 8bd4afe | 2008-04-19 04:17:09 +0000 | [diff] [blame] | 40 | class GlobalValue; |
Micah Villmow | 25a6a84 | 2012-10-08 16:25:52 +0000 | [diff] [blame] | 41 | class DataLayout; |
Eli Friedman | ff4a2d9 | 2008-06-01 15:54:49 +0000 | [diff] [blame] | 42 | class FunctionType; |
Benjamin Kramer | f21efe9 | 2009-08-11 17:46:57 +0000 | [diff] [blame] | 43 | class LLVMContext; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | namespace clang { |
Anton Korobeynikov | 82d0a41 | 2010-01-10 12:58:08 +0000 | [diff] [blame] | 47 | class TargetCodeGenInfo; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 48 | class ASTContext; |
| 49 | class FunctionDecl; |
Daniel Dunbar | 90db882 | 2008-08-25 06:18:57 +0000 | [diff] [blame] | 50 | class IdentifierInfo; |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 51 | class ObjCMethodDecl; |
Anton Korobeynikov | 20ff310 | 2008-06-01 14:13:53 +0000 | [diff] [blame] | 52 | class ObjCImplementationDecl; |
| 53 | class ObjCCategoryImplDecl; |
| 54 | class ObjCProtocolDecl; |
Chris Lattner | eaf2bb8 | 2009-02-24 22:18:39 +0000 | [diff] [blame] | 55 | class ObjCEncodeExpr; |
Anders Carlsson | d5cab54 | 2009-02-12 17:55:02 +0000 | [diff] [blame] | 56 | class BlockExpr; |
Ken Dyck | 687cc4a | 2010-01-26 13:48:07 +0000 | [diff] [blame] | 57 | class CharUnits; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 58 | class Decl; |
Oliver Hunt | 2824723 | 2007-12-02 00:11:25 +0000 | [diff] [blame] | 59 | class Expr; |
Chris Lattner | 2c8569d | 2007-12-02 07:19:18 +0000 | [diff] [blame] | 60 | class Stmt; |
Sebastian Redl | 19b1a6e | 2012-02-25 20:51:20 +0000 | [diff] [blame] | 61 | class InitListExpr; |
Daniel Dunbar | 1e04976 | 2008-08-10 20:25:57 +0000 | [diff] [blame] | 62 | class StringLiteral; |
Nate Begeman | 1a1d92a | 2008-04-20 20:38:08 +0000 | [diff] [blame] | 63 | class NamedDecl; |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 64 | class ValueDecl; |
Chris Lattner | 2b9d2ca | 2007-12-18 08:16:44 +0000 | [diff] [blame] | 65 | class VarDecl; |
Sebastian Redl | 43af76e | 2009-03-07 12:16:37 +0000 | [diff] [blame] | 66 | class LangOptions; |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 67 | class CodeGenOptions; |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 68 | class DiagnosticsEngine; |
Nate Begeman | 8bd4afe | 2008-04-19 04:17:09 +0000 | [diff] [blame] | 69 | class AnnotateAttr; |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 70 | class CXXDestructorDecl; |
Peter Collingbourne | 1411047 | 2011-01-13 18:57:25 +0000 | [diff] [blame] | 71 | class MangleBuffer; |
Douglas Gregor | b6cbe51 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 72 | class Module; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 73 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 74 | namespace CodeGen { |
| 75 | |
John McCall | d26bc76 | 2011-03-09 04:27:21 +0000 | [diff] [blame] | 76 | class CallArgList; |
Lauro Ramos Venancio | 8137335 | 2008-02-26 21:41:45 +0000 | [diff] [blame] | 77 | class CodeGenFunction; |
Dan Gohman | 3d5aff5 | 2010-10-14 23:06:10 +0000 | [diff] [blame] | 78 | class CodeGenTBAA; |
John McCall | 4c40d98 | 2010-08-31 07:33:07 +0000 | [diff] [blame] | 79 | class CGCXXABI; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 80 | class CGDebugInfo; |
Daniel Dunbar | af2f62c | 2008-08-13 00:59:25 +0000 | [diff] [blame] | 81 | class CGObjCRuntime; |
Peter Collingbourne | 8c25fc5 | 2011-09-19 21:14:35 +0000 | [diff] [blame] | 82 | class CGOpenCLRuntime; |
Peter Collingbourne | 6c0aa5f | 2011-10-06 18:29:37 +0000 | [diff] [blame] | 83 | class CGCUDARuntime; |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 84 | class BlockFieldFlags; |
John McCall | d26bc76 | 2011-03-09 04:27:21 +0000 | [diff] [blame] | 85 | class FunctionArgList; |
Anders Carlsson | 4a6835e | 2009-09-10 23:38:47 +0000 | [diff] [blame] | 86 | |
Chris Lattner | ec2830d | 2010-06-27 06:32:58 +0000 | [diff] [blame] | 87 | struct OrderGlobalInits { |
Fariborz Jahanian | e0b691a | 2010-06-21 21:27:42 +0000 | [diff] [blame] | 88 | unsigned int priority; |
| 89 | unsigned int lex_order; |
| 90 | OrderGlobalInits(unsigned int p, unsigned int l) |
Chris Lattner | ec2830d | 2010-06-27 06:32:58 +0000 | [diff] [blame] | 91 | : priority(p), lex_order(l) {} |
| 92 | |
| 93 | bool operator==(const OrderGlobalInits &RHS) const { |
| 94 | return priority == RHS.priority && |
| 95 | lex_order == RHS.lex_order; |
Fariborz Jahanian | f489688 | 2010-06-22 00:23:08 +0000 | [diff] [blame] | 96 | } |
| 97 | |
Chris Lattner | ec2830d | 2010-06-27 06:32:58 +0000 | [diff] [blame] | 98 | bool operator<(const OrderGlobalInits &RHS) const { |
| 99 | if (priority < RHS.priority) |
Fariborz Jahanian | f489688 | 2010-06-22 00:23:08 +0000 | [diff] [blame] | 100 | return true; |
| 101 | |
Chris Lattner | ec2830d | 2010-06-27 06:32:58 +0000 | [diff] [blame] | 102 | return priority == RHS.priority && lex_order < RHS.lex_order; |
Fariborz Jahanian | f489688 | 2010-06-22 00:23:08 +0000 | [diff] [blame] | 103 | } |
Chris Lattner | ec2830d | 2010-06-27 06:32:58 +0000 | [diff] [blame] | 104 | }; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 105 | |
| 106 | struct CodeGenTypeCache { |
John McCall | 0774cb8 | 2011-05-15 01:53:33 +0000 | [diff] [blame] | 107 | /// void |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 108 | llvm::Type *VoidTy; |
John McCall | 0774cb8 | 2011-05-15 01:53:33 +0000 | [diff] [blame] | 109 | |
Chris Lattner | 8b41868 | 2012-02-07 00:39:47 +0000 | [diff] [blame] | 110 | /// i8, i16, i32, and i64 |
| 111 | llvm::IntegerType *Int8Ty, *Int16Ty, *Int32Ty, *Int64Ty; |
| 112 | /// float, double |
| 113 | llvm::Type *FloatTy, *DoubleTy; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 114 | |
| 115 | /// int |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 116 | llvm::IntegerType *IntTy; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 117 | |
John McCall | 0774cb8 | 2011-05-15 01:53:33 +0000 | [diff] [blame] | 118 | /// intptr_t, size_t, and ptrdiff_t, which we assume are the same size. |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 119 | union { |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 120 | llvm::IntegerType *IntPtrTy; |
| 121 | llvm::IntegerType *SizeTy; |
| 122 | llvm::IntegerType *PtrDiffTy; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 123 | }; |
| 124 | |
| 125 | /// void* in address space 0 |
| 126 | union { |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 127 | llvm::PointerType *VoidPtrTy; |
| 128 | llvm::PointerType *Int8PtrTy; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 129 | }; |
| 130 | |
| 131 | /// void** in address space 0 |
| 132 | union { |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 133 | llvm::PointerType *VoidPtrPtrTy; |
| 134 | llvm::PointerType *Int8PtrPtrTy; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 135 | }; |
| 136 | |
John McCall | 3469585 | 2011-02-22 06:44:22 +0000 | [diff] [blame] | 137 | /// The width of a pointer into the generic address space. |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 138 | unsigned char PointerWidthInBits; |
John McCall | 3469585 | 2011-02-22 06:44:22 +0000 | [diff] [blame] | 139 | |
John McCall | 71c758d | 2011-09-10 09:17:20 +0000 | [diff] [blame] | 140 | /// The size and alignment of a pointer into the generic address |
| 141 | /// space. |
| 142 | union { |
| 143 | unsigned char PointerAlignInBytes; |
| 144 | unsigned char PointerSizeInBytes; |
John McCall | e2b45e2 | 2012-05-01 05:23:51 +0000 | [diff] [blame] | 145 | unsigned char SizeSizeInBytes; // sizeof(size_t) |
John McCall | 71c758d | 2011-09-10 09:17:20 +0000 | [diff] [blame] | 146 | }; |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 147 | }; |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 148 | |
| 149 | struct RREntrypoints { |
| 150 | RREntrypoints() { memset(this, 0, sizeof(*this)); } |
| 151 | /// void objc_autoreleasePoolPop(void*); |
| 152 | llvm::Constant *objc_autoreleasePoolPop; |
| 153 | |
| 154 | /// void *objc_autoreleasePoolPush(void); |
| 155 | llvm::Constant *objc_autoreleasePoolPush; |
| 156 | }; |
| 157 | |
| 158 | struct ARCEntrypoints { |
| 159 | ARCEntrypoints() { memset(this, 0, sizeof(*this)); } |
| 160 | |
| 161 | /// id objc_autorelease(id); |
| 162 | llvm::Constant *objc_autorelease; |
| 163 | |
| 164 | /// id objc_autoreleaseReturnValue(id); |
| 165 | llvm::Constant *objc_autoreleaseReturnValue; |
| 166 | |
| 167 | /// void objc_copyWeak(id *dest, id *src); |
| 168 | llvm::Constant *objc_copyWeak; |
| 169 | |
| 170 | /// void objc_destroyWeak(id*); |
| 171 | llvm::Constant *objc_destroyWeak; |
| 172 | |
| 173 | /// id objc_initWeak(id*, id); |
| 174 | llvm::Constant *objc_initWeak; |
| 175 | |
| 176 | /// id objc_loadWeak(id*); |
| 177 | llvm::Constant *objc_loadWeak; |
| 178 | |
| 179 | /// id objc_loadWeakRetained(id*); |
| 180 | llvm::Constant *objc_loadWeakRetained; |
| 181 | |
| 182 | /// void objc_moveWeak(id *dest, id *src); |
| 183 | llvm::Constant *objc_moveWeak; |
| 184 | |
| 185 | /// id objc_retain(id); |
| 186 | llvm::Constant *objc_retain; |
| 187 | |
| 188 | /// id objc_retainAutorelease(id); |
| 189 | llvm::Constant *objc_retainAutorelease; |
| 190 | |
| 191 | /// id objc_retainAutoreleaseReturnValue(id); |
| 192 | llvm::Constant *objc_retainAutoreleaseReturnValue; |
| 193 | |
| 194 | /// id objc_retainAutoreleasedReturnValue(id); |
| 195 | llvm::Constant *objc_retainAutoreleasedReturnValue; |
| 196 | |
| 197 | /// id objc_retainBlock(id); |
| 198 | llvm::Constant *objc_retainBlock; |
| 199 | |
| 200 | /// void objc_release(id); |
| 201 | llvm::Constant *objc_release; |
| 202 | |
| 203 | /// id objc_storeStrong(id*, id); |
| 204 | llvm::Constant *objc_storeStrong; |
| 205 | |
| 206 | /// id objc_storeWeak(id*, id); |
| 207 | llvm::Constant *objc_storeWeak; |
| 208 | |
| 209 | /// A void(void) inline asm to use to mark that the return value of |
| 210 | /// a call will be immediately retain. |
| 211 | llvm::InlineAsm *retainAutoreleasedReturnValueMarker; |
| 212 | }; |
Will Dietz | 4f45bc0 | 2013-01-18 11:30:38 +0000 | [diff] [blame^] | 213 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 214 | /// CodeGenModule - This class organizes the cross-function state that is used |
| 215 | /// while generating LLVM code. |
John McCall | 5936e33 | 2011-02-15 09:22:45 +0000 | [diff] [blame] | 216 | class CodeGenModule : public CodeGenTypeCache { |
Dmitri Gribenko | f56faa0 | 2012-09-15 20:20:27 +0000 | [diff] [blame] | 217 | CodeGenModule(const CodeGenModule &) LLVM_DELETED_FUNCTION; |
| 218 | void operator=(const CodeGenModule &) LLVM_DELETED_FUNCTION; |
Anders Carlsson | 8a219ce | 2009-02-24 04:21:31 +0000 | [diff] [blame] | 219 | |
Chris Lattner | ca0017a | 2009-09-12 22:45:21 +0000 | [diff] [blame] | 220 | typedef std::vector<std::pair<llvm::Constant*, int> > CtorList; |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 221 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 222 | ASTContext &Context; |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 223 | const LangOptions &LangOpts; |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 224 | const CodeGenOptions &CodeGenOpts; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 225 | llvm::Module &TheModule; |
Micah Villmow | 25a6a84 | 2012-10-08 16:25:52 +0000 | [diff] [blame] | 226 | const llvm::DataLayout &TheDataLayout; |
Anton Korobeynikov | 82d0a41 | 2010-01-10 12:58:08 +0000 | [diff] [blame] | 227 | mutable const TargetCodeGenInfo *TheTargetCodeGenInfo; |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 228 | DiagnosticsEngine &Diags; |
John McCall | f16aa10 | 2010-08-22 21:01:12 +0000 | [diff] [blame] | 229 | CGCXXABI &ABI; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 230 | CodeGenTypes Types; |
Dan Gohman | 3d5aff5 | 2010-10-14 23:06:10 +0000 | [diff] [blame] | 231 | CodeGenTBAA *TBAA; |
Anders Carlsson | b540491 | 2009-10-07 01:06:45 +0000 | [diff] [blame] | 232 | |
Anders Carlsson | af44035 | 2010-03-23 04:11:45 +0000 | [diff] [blame] | 233 | /// VTables - Holds information about C++ vtables. |
| 234 | CodeGenVTables VTables; |
Douglas Gregor | e17ad2f | 2010-04-08 16:07:47 +0000 | [diff] [blame] | 235 | friend class CodeGenVTables; |
| 236 | |
Peter Collingbourne | e926523 | 2011-07-27 20:29:46 +0000 | [diff] [blame] | 237 | CGObjCRuntime* ObjCRuntime; |
Peter Collingbourne | 8c25fc5 | 2011-09-19 21:14:35 +0000 | [diff] [blame] | 238 | CGOpenCLRuntime* OpenCLRuntime; |
Peter Collingbourne | 6c0aa5f | 2011-10-06 18:29:37 +0000 | [diff] [blame] | 239 | CGCUDARuntime* CUDARuntime; |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 240 | CGDebugInfo* DebugInfo; |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 241 | ARCEntrypoints *ARCData; |
Dan Gohman | b49bd27 | 2012-02-16 00:57:37 +0000 | [diff] [blame] | 242 | llvm::MDNode *NoObjCARCExceptionsMetadata; |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 243 | RREntrypoints *RRData; |
Daniel Dunbar | 9986eab | 2008-07-30 16:32:24 +0000 | [diff] [blame] | 244 | |
Rafael Espindola | 6a83670 | 2010-03-04 18:17:24 +0000 | [diff] [blame] | 245 | // WeakRefReferences - A set of references that have only been seen via |
| 246 | // a weakref so far. This is used to remove the weak of the reference if we ever |
| 247 | // see a direct reference or a definition. |
| 248 | llvm::SmallPtrSet<llvm::GlobalValue*, 10> WeakRefReferences; |
| 249 | |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 250 | /// DeferredDecls - This contains all the decls which have definitions but |
| 251 | /// which are deferred for emission and therefore should only be output if |
| 252 | /// they are actually used. If a decl is in this, then it is known to have |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 253 | /// not been referenced yet. |
| 254 | llvm::StringMap<GlobalDecl> DeferredDecls; |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 255 | |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 256 | /// DeferredDeclsToEmit - This is a list of deferred decls which we have seen |
| 257 | /// that *are* actually referenced. These get code generated when the module |
| 258 | /// is done. |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 259 | std::vector<GlobalDecl> DeferredDeclsToEmit; |
Daniel Dunbar | 03f5ad9 | 2009-04-15 22:08:45 +0000 | [diff] [blame] | 260 | |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 261 | /// LLVMUsed - List of global values which are required to be |
| 262 | /// present in the object file; bitcast to i8*. This is used for |
| 263 | /// forcing visibility of symbols which may otherwise be optimized |
| 264 | /// out. |
Chris Lattner | 35f38a2 | 2009-03-31 22:37:52 +0000 | [diff] [blame] | 265 | std::vector<llvm::WeakVH> LLVMUsed; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 266 | |
| 267 | /// GlobalCtors - Store the list of global constructors and their respective |
| 268 | /// priorities to be emitted when the translation unit is complete. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 269 | CtorList GlobalCtors; |
| 270 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 271 | /// GlobalDtors - Store the list of global destructors and their respective |
| 272 | /// priorities to be emitted when the translation unit is complete. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 273 | CtorList GlobalDtors; |
| 274 | |
Anders Carlsson | 793a990 | 2010-06-22 16:05:32 +0000 | [diff] [blame] | 275 | /// MangledDeclNames - A map of canonical GlobalDecls to their mangled names. |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 276 | llvm::DenseMap<GlobalDecl, StringRef> MangledDeclNames; |
Anders Carlsson | 793a990 | 2010-06-22 16:05:32 +0000 | [diff] [blame] | 277 | llvm::BumpPtrAllocator MangledNamesAllocator; |
| 278 | |
Julien Lerouge | 77f68bb | 2011-09-09 22:41:49 +0000 | [diff] [blame] | 279 | /// Global annotations. |
Nate Begeman | 532485c | 2008-04-18 23:43:57 +0000 | [diff] [blame] | 280 | std::vector<llvm::Constant*> Annotations; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 281 | |
Julien Lerouge | 77f68bb | 2011-09-09 22:41:49 +0000 | [diff] [blame] | 282 | /// Map used to get unique annotation strings. |
| 283 | llvm::StringMap<llvm::Constant*> AnnotationStrings; |
| 284 | |
Anders Carlsson | c9e2091 | 2007-08-21 00:21:21 +0000 | [diff] [blame] | 285 | llvm::StringMap<llvm::Constant*> CFConstantStringMap; |
John McCall | a5e19c6 | 2011-08-04 01:03:22 +0000 | [diff] [blame] | 286 | llvm::StringMap<llvm::GlobalVariable*> ConstantStringMap; |
Eli Friedman | 71cba34 | 2012-03-09 03:27:46 +0000 | [diff] [blame] | 287 | llvm::DenseMap<const Decl*, llvm::Constant *> StaticLocalDeclMap; |
John McCall | 355bba7 | 2012-03-30 21:00:39 +0000 | [diff] [blame] | 288 | llvm::DenseMap<const Decl*, llvm::GlobalVariable*> StaticLocalDeclGuardMap; |
Fariborz Jahanian | cd93b96 | 2012-01-06 22:33:54 +0000 | [diff] [blame] | 289 | |
Fariborz Jahanian | b08cfb3 | 2012-01-08 19:13:23 +0000 | [diff] [blame] | 290 | llvm::DenseMap<QualType, llvm::Constant *> AtomicSetterHelperFnMap; |
| 291 | llvm::DenseMap<QualType, llvm::Constant *> AtomicGetterHelperFnMap; |
Daniel Dunbar | 3e9df99 | 2008-08-23 18:37:06 +0000 | [diff] [blame] | 292 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 293 | /// CXXGlobalInits - Global variables with initializers that need to run |
Anders Carlsson | 89ed31d | 2009-08-08 23:24:23 +0000 | [diff] [blame] | 294 | /// before main. |
Eli Friedman | 6c6bda3 | 2010-01-08 00:50:11 +0000 | [diff] [blame] | 295 | std::vector<llvm::Constant*> CXXGlobalInits; |
John McCall | bf40cb5 | 2010-07-15 23:40:35 +0000 | [diff] [blame] | 296 | |
| 297 | /// When a C++ decl with an initializer is deferred, null is |
| 298 | /// appended to CXXGlobalInits, and the index of that null is placed |
| 299 | /// here so that the initializer will be performed in the correct |
| 300 | /// order. |
| 301 | llvm::DenseMap<const Decl*, unsigned> DelayedCXXInitPosition; |
Fariborz Jahanian | 9f967c5 | 2010-06-21 18:45:05 +0000 | [diff] [blame] | 302 | |
Anton Korobeynikov | 4179ddd | 2012-11-06 22:44:45 +0000 | [diff] [blame] | 303 | typedef std::pair<OrderGlobalInits, llvm::Function*> GlobalInitData; |
| 304 | |
| 305 | struct GlobalInitPriorityCmp { |
| 306 | bool operator()(const GlobalInitData &LHS, |
| 307 | const GlobalInitData &RHS) const { |
| 308 | return LHS.first.priority < RHS.first.priority; |
| 309 | } |
| 310 | }; |
| 311 | |
Fariborz Jahanian | 9f967c5 | 2010-06-21 18:45:05 +0000 | [diff] [blame] | 312 | /// - Global variables with initializers whose order of initialization |
| 313 | /// is set by init_priority attribute. |
Anton Korobeynikov | 4179ddd | 2012-11-06 22:44:45 +0000 | [diff] [blame] | 314 | SmallVector<GlobalInitData, 8> PrioritizedCXXGlobalInits; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 315 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 316 | /// CXXGlobalDtors - Global destructor functions and arguments that need to |
| 317 | /// run on termination. |
Chris Lattner | 810112e | 2010-06-19 05:52:45 +0000 | [diff] [blame] | 318 | std::vector<std::pair<llvm::WeakVH,llvm::Constant*> > CXXGlobalDtors; |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 319 | |
Douglas Gregor | b6cbe51 | 2013-01-14 17:21:00 +0000 | [diff] [blame] | 320 | /// \brief The complete set of modules that has been imported. |
| 321 | llvm::SetVector<clang::Module *> ImportedModules; |
| 322 | |
Douglas Gregor | 45c4ea7 | 2011-08-09 15:54:21 +0000 | [diff] [blame] | 323 | /// @name Cache for Objective-C runtime types |
| 324 | /// @{ |
| 325 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 326 | /// CFConstantStringClassRef - Cached reference to the class for constant |
| 327 | /// strings. This value has type int * but is actually an Obj-C class pointer. |
Anders Carlsson | c9e2091 | 2007-08-21 00:21:21 +0000 | [diff] [blame] | 328 | llvm::Constant *CFConstantStringClassRef; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 329 | |
Fariborz Jahanian | 4c73307 | 2010-10-19 17:19:29 +0000 | [diff] [blame] | 330 | /// ConstantStringClassRef - Cached reference to the class for constant |
Fariborz Jahanian | 2bb5dda | 2010-04-23 17:41:07 +0000 | [diff] [blame] | 331 | /// strings. This value has type int * but is actually an Obj-C class pointer. |
Fariborz Jahanian | 4c73307 | 2010-10-19 17:19:29 +0000 | [diff] [blame] | 332 | llvm::Constant *ConstantStringClassRef; |
Fariborz Jahanian | 2bb5dda | 2010-04-23 17:41:07 +0000 | [diff] [blame] | 333 | |
Douglas Gregor | 45c4ea7 | 2011-08-09 15:54:21 +0000 | [diff] [blame] | 334 | /// \brief The LLVM type corresponding to NSConstantString. |
| 335 | llvm::StructType *NSConstantStringType; |
| 336 | |
Douglas Gregor | 0815b57 | 2011-08-09 17:23:49 +0000 | [diff] [blame] | 337 | /// \brief The type used to describe the state of a fast enumeration in |
| 338 | /// Objective-C's for..in loop. |
| 339 | QualType ObjCFastEnumerationStateType; |
| 340 | |
Douglas Gregor | 45c4ea7 | 2011-08-09 15:54:21 +0000 | [diff] [blame] | 341 | /// @} |
| 342 | |
David Chisnall | 0d13f6f | 2010-01-23 02:40:42 +0000 | [diff] [blame] | 343 | /// Lazily create the Objective-C runtime |
| 344 | void createObjCRuntime(); |
| 345 | |
Peter Collingbourne | 8c25fc5 | 2011-09-19 21:14:35 +0000 | [diff] [blame] | 346 | void createOpenCLRuntime(); |
Peter Collingbourne | 6c0aa5f | 2011-10-06 18:29:37 +0000 | [diff] [blame] | 347 | void createCUDARuntime(); |
Peter Collingbourne | 8c25fc5 | 2011-09-19 21:14:35 +0000 | [diff] [blame] | 348 | |
Rafael Espindola | bcf6b98 | 2011-12-19 14:41:01 +0000 | [diff] [blame] | 349 | bool isTriviallyRecursive(const FunctionDecl *F); |
Rafael Espindola | a411d2f | 2011-10-26 20:41:06 +0000 | [diff] [blame] | 350 | bool shouldEmitFunction(const FunctionDecl *F); |
Owen Anderson | a1cf15f | 2009-07-14 23:10:40 +0000 | [diff] [blame] | 351 | llvm::LLVMContext &VMContext; |
Daniel Dunbar | 673431a | 2010-07-16 00:00:15 +0000 | [diff] [blame] | 352 | |
| 353 | /// @name Cache for Blocks Runtime Globals |
| 354 | /// @{ |
| 355 | |
| 356 | llvm::Constant *NSConcreteGlobalBlock; |
| 357 | llvm::Constant *NSConcreteStackBlock; |
Daniel Dunbar | 754b9fb | 2010-07-16 00:00:19 +0000 | [diff] [blame] | 358 | |
Daniel Dunbar | 673431a | 2010-07-16 00:00:15 +0000 | [diff] [blame] | 359 | llvm::Constant *BlockObjectAssign; |
| 360 | llvm::Constant *BlockObjectDispose; |
| 361 | |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 362 | llvm::Type *BlockDescriptorType; |
| 363 | llvm::Type *GenericBlockLiteralType; |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 364 | |
| 365 | struct { |
| 366 | int GlobalUniqueCount; |
| 367 | } Block; |
Will Dietz | 4f45bc0 | 2013-01-18 11:30:38 +0000 | [diff] [blame^] | 368 | |
Fariborz Jahanian | 4904bf4 | 2012-06-26 16:06:38 +0000 | [diff] [blame] | 369 | GlobalDecl initializedGlobalDecl; |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 370 | |
Will Dietz | 4f45bc0 | 2013-01-18 11:30:38 +0000 | [diff] [blame^] | 371 | llvm::BlackList SanitizerBlacklist; |
| 372 | |
| 373 | const SanitizerOptions &SanOpts; |
| 374 | |
Daniel Dunbar | 673431a | 2010-07-16 00:00:15 +0000 | [diff] [blame] | 375 | /// @} |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 376 | public: |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 377 | CodeGenModule(ASTContext &C, const CodeGenOptions &CodeGenOpts, |
Micah Villmow | 25a6a84 | 2012-10-08 16:25:52 +0000 | [diff] [blame] | 378 | llvm::Module &M, const llvm::DataLayout &TD, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 379 | DiagnosticsEngine &Diags); |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 380 | |
Chris Lattner | 2b94fe3 | 2008-03-01 08:45:05 +0000 | [diff] [blame] | 381 | ~CodeGenModule(); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 382 | |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 383 | /// Release - Finalize LLVM code generation. |
| 384 | void Release(); |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 385 | |
| 386 | /// getObjCRuntime() - Return a reference to the configured |
| 387 | /// Objective-C runtime. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 388 | CGObjCRuntime &getObjCRuntime() { |
Peter Collingbourne | e926523 | 2011-07-27 20:29:46 +0000 | [diff] [blame] | 389 | if (!ObjCRuntime) createObjCRuntime(); |
| 390 | return *ObjCRuntime; |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 391 | } |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 392 | |
Sylvestre Ledru | f3477c1 | 2012-09-27 10:16:10 +0000 | [diff] [blame] | 393 | /// hasObjCRuntime() - Return true iff an Objective-C runtime has |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 394 | /// been configured. |
Peter Collingbourne | e926523 | 2011-07-27 20:29:46 +0000 | [diff] [blame] | 395 | bool hasObjCRuntime() { return !!ObjCRuntime; } |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 396 | |
Peter Collingbourne | 6c0aa5f | 2011-10-06 18:29:37 +0000 | [diff] [blame] | 397 | /// getOpenCLRuntime() - Return a reference to the configured OpenCL runtime. |
Peter Collingbourne | 8c25fc5 | 2011-09-19 21:14:35 +0000 | [diff] [blame] | 398 | CGOpenCLRuntime &getOpenCLRuntime() { |
| 399 | assert(OpenCLRuntime != 0); |
| 400 | return *OpenCLRuntime; |
| 401 | } |
| 402 | |
Peter Collingbourne | 6c0aa5f | 2011-10-06 18:29:37 +0000 | [diff] [blame] | 403 | /// getCUDARuntime() - Return a reference to the configured CUDA runtime. |
| 404 | CGCUDARuntime &getCUDARuntime() { |
| 405 | assert(CUDARuntime != 0); |
| 406 | return *CUDARuntime; |
| 407 | } |
| 408 | |
John McCall | f16aa10 | 2010-08-22 21:01:12 +0000 | [diff] [blame] | 409 | /// getCXXABI() - Return a reference to the configured C++ ABI. |
| 410 | CGCXXABI &getCXXABI() { return ABI; } |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 411 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 412 | ARCEntrypoints &getARCEntrypoints() const { |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 413 | assert(getLangOpts().ObjCAutoRefCount && ARCData != 0); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 414 | return *ARCData; |
| 415 | } |
| 416 | |
| 417 | RREntrypoints &getRREntrypoints() const { |
| 418 | assert(RRData != 0); |
| 419 | return *RRData; |
| 420 | } |
| 421 | |
Eli Friedman | 71cba34 | 2012-03-09 03:27:46 +0000 | [diff] [blame] | 422 | llvm::Constant *getStaticLocalDeclAddress(const VarDecl *D) { |
| 423 | return StaticLocalDeclMap[D]; |
Fariborz Jahanian | 65ad5a4 | 2010-04-18 21:01:23 +0000 | [diff] [blame] | 424 | } |
Fariborz Jahanian | 63326a5 | 2010-04-19 18:15:02 +0000 | [diff] [blame] | 425 | void setStaticLocalDeclAddress(const VarDecl *D, |
Eli Friedman | 71cba34 | 2012-03-09 03:27:46 +0000 | [diff] [blame] | 426 | llvm::Constant *C) { |
| 427 | StaticLocalDeclMap[D] = C; |
Fariborz Jahanian | 65ad5a4 | 2010-04-18 21:01:23 +0000 | [diff] [blame] | 428 | } |
| 429 | |
John McCall | 355bba7 | 2012-03-30 21:00:39 +0000 | [diff] [blame] | 430 | llvm::GlobalVariable *getStaticLocalDeclGuardAddress(const VarDecl *D) { |
| 431 | return StaticLocalDeclGuardMap[D]; |
| 432 | } |
| 433 | void setStaticLocalDeclGuardAddress(const VarDecl *D, |
| 434 | llvm::GlobalVariable *C) { |
| 435 | StaticLocalDeclGuardMap[D] = C; |
| 436 | } |
| 437 | |
Fariborz Jahanian | b08cfb3 | 2012-01-08 19:13:23 +0000 | [diff] [blame] | 438 | llvm::Constant *getAtomicSetterHelperFnMap(QualType Ty) { |
| 439 | return AtomicSetterHelperFnMap[Ty]; |
Fariborz Jahanian | cd93b96 | 2012-01-06 22:33:54 +0000 | [diff] [blame] | 440 | } |
Fariborz Jahanian | b08cfb3 | 2012-01-08 19:13:23 +0000 | [diff] [blame] | 441 | void setAtomicSetterHelperFnMap(QualType Ty, |
Fariborz Jahanian | cd93b96 | 2012-01-06 22:33:54 +0000 | [diff] [blame] | 442 | llvm::Constant *Fn) { |
Fariborz Jahanian | b08cfb3 | 2012-01-08 19:13:23 +0000 | [diff] [blame] | 443 | AtomicSetterHelperFnMap[Ty] = Fn; |
| 444 | } |
| 445 | |
| 446 | llvm::Constant *getAtomicGetterHelperFnMap(QualType Ty) { |
| 447 | return AtomicGetterHelperFnMap[Ty]; |
| 448 | } |
| 449 | void setAtomicGetterHelperFnMap(QualType Ty, |
| 450 | llvm::Constant *Fn) { |
| 451 | AtomicGetterHelperFnMap[Ty] = Fn; |
Fariborz Jahanian | cd93b96 | 2012-01-06 22:33:54 +0000 | [diff] [blame] | 452 | } |
| 453 | |
Devang Patel | aa11289 | 2011-03-07 18:45:56 +0000 | [diff] [blame] | 454 | CGDebugInfo *getModuleDebugInfo() { return DebugInfo; } |
Devang Patel | 5de7a0e | 2011-03-07 18:29:53 +0000 | [diff] [blame] | 455 | |
Dan Gohman | b49bd27 | 2012-02-16 00:57:37 +0000 | [diff] [blame] | 456 | llvm::MDNode *getNoObjCARCExceptionsMetadata() { |
| 457 | if (!NoObjCARCExceptionsMetadata) |
| 458 | NoObjCARCExceptionsMetadata = |
| 459 | llvm::MDNode::get(getLLVMContext(), |
| 460 | SmallVector<llvm::Value*,1>()); |
| 461 | return NoObjCARCExceptionsMetadata; |
| 462 | } |
| 463 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 464 | ASTContext &getContext() const { return Context; } |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 465 | const CodeGenOptions &getCodeGenOpts() const { return CodeGenOpts; } |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 466 | const LangOptions &getLangOpts() const { return LangOpts; } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 467 | llvm::Module &getModule() const { return TheModule; } |
| 468 | CodeGenTypes &getTypes() { return Types; } |
Anders Carlsson | af44035 | 2010-03-23 04:11:45 +0000 | [diff] [blame] | 469 | CodeGenVTables &getVTables() { return VTables; } |
Peter Collingbourne | 1d2b317 | 2011-09-26 01:56:30 +0000 | [diff] [blame] | 470 | VTableContext &getVTableContext() { return VTables.getVTableContext(); } |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 471 | DiagnosticsEngine &getDiags() const { return Diags; } |
Micah Villmow | 25a6a84 | 2012-10-08 16:25:52 +0000 | [diff] [blame] | 472 | const llvm::DataLayout &getDataLayout() const { return TheDataLayout; } |
Douglas Gregor | bcfd1f5 | 2011-09-02 00:18:52 +0000 | [diff] [blame] | 473 | const TargetInfo &getTarget() const { return Context.getTargetInfo(); } |
Owen Anderson | a1cf15f | 2009-07-14 23:10:40 +0000 | [diff] [blame] | 474 | llvm::LLVMContext &getLLVMContext() { return VMContext; } |
Chris Lattner | ea04432 | 2010-07-29 02:01:43 +0000 | [diff] [blame] | 475 | const TargetCodeGenInfo &getTargetCodeGenInfo(); |
John McCall | 6374c33 | 2010-03-06 00:35:14 +0000 | [diff] [blame] | 476 | bool isTargetDarwin() const; |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 477 | |
John McCall | bc7fbf0 | 2011-02-26 08:07:02 +0000 | [diff] [blame] | 478 | bool shouldUseTBAA() const { return TBAA != 0; } |
| 479 | |
Dan Gohman | 3d5aff5 | 2010-10-14 23:06:10 +0000 | [diff] [blame] | 480 | llvm::MDNode *getTBAAInfo(QualType QTy); |
Kostya Serebryany | 8cb4a07 | 2012-03-26 17:03:51 +0000 | [diff] [blame] | 481 | llvm::MDNode *getTBAAInfoForVTablePtr(); |
Dan Gohman | b22c7dc | 2012-09-28 21:58:29 +0000 | [diff] [blame] | 482 | llvm::MDNode *getTBAAStructInfo(QualType QTy); |
Dan Gohman | 3d5aff5 | 2010-10-14 23:06:10 +0000 | [diff] [blame] | 483 | |
Richard Smith | a9b21d2 | 2012-02-17 06:48:11 +0000 | [diff] [blame] | 484 | bool isTypeConstant(QualType QTy, bool ExcludeCtorDtor); |
| 485 | |
Dan Gohman | 3d5aff5 | 2010-10-14 23:06:10 +0000 | [diff] [blame] | 486 | static void DecorateInstruction(llvm::Instruction *Inst, |
| 487 | llvm::MDNode *TBAAInfo); |
| 488 | |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 489 | /// getSize - Emit the given number of characters as a value of type size_t. |
| 490 | llvm::ConstantInt *getSize(CharUnits numChars); |
| 491 | |
Daniel Dunbar | 04d4078 | 2009-04-14 06:00:08 +0000 | [diff] [blame] | 492 | /// setGlobalVisibility - Set the visibility for the given LLVM |
| 493 | /// GlobalValue. |
Anders Carlsson | 0ffeaad | 2011-01-29 19:39:23 +0000 | [diff] [blame] | 494 | void setGlobalVisibility(llvm::GlobalValue *GV, const NamedDecl *D) const; |
Daniel Dunbar | 04d4078 | 2009-04-14 06:00:08 +0000 | [diff] [blame] | 495 | |
Hans Wennborg | de981f3 | 2012-06-28 08:01:44 +0000 | [diff] [blame] | 496 | /// setTLSMode - Set the TLS mode for the given LLVM GlobalVariable |
| 497 | /// for the thread-local variable declaration D. |
| 498 | void setTLSMode(llvm::GlobalVariable *GV, const VarDecl &D) const; |
| 499 | |
Anders Carlsson | fa2e99f | 2011-01-29 20:24:48 +0000 | [diff] [blame] | 500 | /// TypeVisibilityKind - The kind of global variable that is passed to |
| 501 | /// setTypeVisibility |
| 502 | enum TypeVisibilityKind { |
| 503 | TVK_ForVTT, |
| 504 | TVK_ForVTable, |
John McCall | bda0d6b | 2011-03-27 09:00:25 +0000 | [diff] [blame] | 505 | TVK_ForConstructionVTable, |
Anders Carlsson | fa2e99f | 2011-01-29 20:24:48 +0000 | [diff] [blame] | 506 | TVK_ForRTTI, |
| 507 | TVK_ForRTTIName |
| 508 | }; |
| 509 | |
John McCall | cbfe502 | 2010-08-04 08:34:44 +0000 | [diff] [blame] | 510 | /// setTypeVisibility - Set the visibility for the given global |
| 511 | /// value which holds information about a type. |
| 512 | void setTypeVisibility(llvm::GlobalValue *GV, const CXXRecordDecl *D, |
Anders Carlsson | fa2e99f | 2011-01-29 20:24:48 +0000 | [diff] [blame] | 513 | TypeVisibilityKind TVK) const; |
John McCall | cbfe502 | 2010-08-04 08:34:44 +0000 | [diff] [blame] | 514 | |
Anders Carlsson | c7e98fa | 2011-01-29 20:59:35 +0000 | [diff] [blame] | 515 | static llvm::GlobalValue::VisibilityTypes GetLLVMVisibility(Visibility V) { |
| 516 | switch (V) { |
| 517 | case DefaultVisibility: return llvm::GlobalValue::DefaultVisibility; |
| 518 | case HiddenVisibility: return llvm::GlobalValue::HiddenVisibility; |
| 519 | case ProtectedVisibility: return llvm::GlobalValue::ProtectedVisibility; |
| 520 | } |
| 521 | llvm_unreachable("unknown visibility!"); |
Anders Carlsson | c7e98fa | 2011-01-29 20:59:35 +0000 | [diff] [blame] | 522 | } |
| 523 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 524 | llvm::Constant *GetAddrOfGlobal(GlobalDecl GD) { |
| 525 | if (isa<CXXConstructorDecl>(GD.getDecl())) |
| 526 | return GetAddrOfCXXConstructor(cast<CXXConstructorDecl>(GD.getDecl()), |
| 527 | GD.getCtorType()); |
| 528 | else if (isa<CXXDestructorDecl>(GD.getDecl())) |
| 529 | return GetAddrOfCXXDestructor(cast<CXXDestructorDecl>(GD.getDecl()), |
| 530 | GD.getDtorType()); |
| 531 | else if (isa<FunctionDecl>(GD.getDecl())) |
| 532 | return GetAddrOfFunction(GD); |
| 533 | else |
| 534 | return GetAddrOfGlobalVar(cast<VarDecl>(GD.getDecl())); |
| 535 | } |
| 536 | |
Anders Carlsson | 3bd6202 | 2011-01-29 18:20:20 +0000 | [diff] [blame] | 537 | /// CreateOrReplaceCXXRuntimeVariable - Will return a global variable of the given |
| 538 | /// type. If a variable with a different type already exists then a new |
| 539 | /// variable with the right type will be created and all uses of the old |
| 540 | /// variable will be replaced with a bitcast to the new variable. |
| 541 | llvm::GlobalVariable * |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 542 | CreateOrReplaceCXXRuntimeVariable(StringRef Name, llvm::Type *Ty, |
Anders Carlsson | 3bd6202 | 2011-01-29 18:20:20 +0000 | [diff] [blame] | 543 | llvm::GlobalValue::LinkageTypes Linkage); |
| 544 | |
Peter Collingbourne | 4dc34eb | 2012-05-20 21:08:35 +0000 | [diff] [blame] | 545 | /// GetGlobalVarAddressSpace - Return the address space of the underlying |
| 546 | /// global variable for D, as determined by its declaration. Normally this |
| 547 | /// is the same as the address space of D's type, but in CUDA, address spaces |
| 548 | /// are associated with declarations, not types. |
| 549 | unsigned GetGlobalVarAddressSpace(const VarDecl *D, unsigned AddrSpace); |
| 550 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 551 | /// GetAddrOfGlobalVar - Return the llvm::Constant for the address of the |
Chris Lattner | 570585c | 2009-03-21 09:16:30 +0000 | [diff] [blame] | 552 | /// given global variable. If Ty is non-null and if the global doesn't exist, |
| 553 | /// then it will be greated with the specified type instead of whatever the |
| 554 | /// normal requested type would be. |
| 555 | llvm::Constant *GetAddrOfGlobalVar(const VarDecl *D, |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 556 | llvm::Type *Ty = 0); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 557 | |
John McCall | 1de4d4e | 2011-04-07 08:22:57 +0000 | [diff] [blame] | 558 | |
Chris Lattner | 3480950 | 2009-03-21 08:53:37 +0000 | [diff] [blame] | 559 | /// GetAddrOfFunction - Return the address of the given function. If Ty is |
| 560 | /// non-null, then this function will use the specified type if it has to |
| 561 | /// create it. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 562 | llvm::Constant *GetAddrOfFunction(GlobalDecl GD, |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 563 | llvm::Type *Ty = 0, |
Anders Carlsson | 1faa89f | 2011-02-05 04:35:53 +0000 | [diff] [blame] | 564 | bool ForVTable = false); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 565 | |
Anders Carlsson | 1d7088d | 2009-12-17 07:09:17 +0000 | [diff] [blame] | 566 | /// GetAddrOfRTTIDescriptor - Get the address of the RTTI descriptor |
| 567 | /// for the given type. |
John McCall | 9dffe6f | 2010-04-30 01:15:21 +0000 | [diff] [blame] | 568 | llvm::Constant *GetAddrOfRTTIDescriptor(QualType Ty, bool ForEH = false); |
Anders Carlsson | 31b7f52 | 2009-12-11 02:46:30 +0000 | [diff] [blame] | 569 | |
Nico Weber | c5f8046 | 2012-10-11 10:13:44 +0000 | [diff] [blame] | 570 | /// GetAddrOfUuidDescriptor - Get the address of a uuid descriptor . |
| 571 | llvm::Constant *GetAddrOfUuidDescriptor(const CXXUuidofExpr* E); |
| 572 | |
Anders Carlsson | 19879c9 | 2010-03-23 17:17:29 +0000 | [diff] [blame] | 573 | /// GetAddrOfThunk - Get the address of the thunk for the given global decl. |
Anders Carlsson | 84c49e4 | 2011-02-06 17:15:43 +0000 | [diff] [blame] | 574 | llvm::Constant *GetAddrOfThunk(GlobalDecl GD, const ThunkInfo &Thunk); |
Anders Carlsson | 19879c9 | 2010-03-23 17:17:29 +0000 | [diff] [blame] | 575 | |
Rafael Espindola | 6a83670 | 2010-03-04 18:17:24 +0000 | [diff] [blame] | 576 | /// GetWeakRefReference - Get a reference to the target of VD. |
| 577 | llvm::Constant *GetWeakRefReference(const ValueDecl *VD); |
| 578 | |
Anders Carlsson | bb7e17b | 2010-01-31 01:36:53 +0000 | [diff] [blame] | 579 | /// GetNonVirtualBaseClassOffset - Returns the offset from a derived class to |
Anders Carlsson | e04d45e | 2010-04-24 21:27:51 +0000 | [diff] [blame] | 580 | /// a class. Returns null if the offset is 0. |
Anders Carlsson | a04efdf | 2010-04-24 21:23:59 +0000 | [diff] [blame] | 581 | llvm::Constant * |
| 582 | GetNonVirtualBaseClassOffset(const CXXRecordDecl *ClassDecl, |
John McCall | f871d0c | 2010-08-07 06:22:56 +0000 | [diff] [blame] | 583 | CastExpr::path_const_iterator PathBegin, |
| 584 | CastExpr::path_const_iterator PathEnd); |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 585 | |
John McCall | f0c11f7 | 2011-03-31 08:03:29 +0000 | [diff] [blame] | 586 | /// A pair of helper functions for a __block variable. |
| 587 | class ByrefHelpers : public llvm::FoldingSetNode { |
| 588 | public: |
| 589 | llvm::Constant *CopyHelper; |
| 590 | llvm::Constant *DisposeHelper; |
| 591 | |
| 592 | /// The alignment of the field. This is important because |
| 593 | /// different offsets to the field within the byref struct need to |
| 594 | /// have different helper functions. |
| 595 | CharUnits Alignment; |
| 596 | |
| 597 | ByrefHelpers(CharUnits alignment) : Alignment(alignment) {} |
| 598 | virtual ~ByrefHelpers(); |
| 599 | |
| 600 | void Profile(llvm::FoldingSetNodeID &id) const { |
| 601 | id.AddInteger(Alignment.getQuantity()); |
| 602 | profileImpl(id); |
| 603 | } |
| 604 | virtual void profileImpl(llvm::FoldingSetNodeID &id) const = 0; |
| 605 | |
| 606 | virtual bool needsCopy() const { return true; } |
| 607 | virtual void emitCopy(CodeGenFunction &CGF, |
| 608 | llvm::Value *dest, llvm::Value *src) = 0; |
| 609 | |
| 610 | virtual bool needsDispose() const { return true; } |
| 611 | virtual void emitDispose(CodeGenFunction &CGF, llvm::Value *field) = 0; |
| 612 | }; |
| 613 | |
| 614 | llvm::FoldingSet<ByrefHelpers> ByrefHelpersCache; |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 615 | |
John McCall | 8178df3 | 2011-02-22 22:38:33 +0000 | [diff] [blame] | 616 | /// getUniqueBlockCount - Fetches the global unique block count. |
| 617 | int getUniqueBlockCount() { return ++Block.GlobalUniqueCount; } |
Fariborz Jahanian | 4904bf4 | 2012-06-26 16:06:38 +0000 | [diff] [blame] | 618 | |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 619 | /// getBlockDescriptorType - Fetches the type of a generic block |
| 620 | /// descriptor. |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 621 | llvm::Type *getBlockDescriptorType(); |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 622 | |
| 623 | /// getGenericBlockLiteralType - The type of a generic block literal. |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 624 | llvm::Type *getGenericBlockLiteralType(); |
John McCall | d16c2cf | 2011-02-08 08:22:06 +0000 | [diff] [blame] | 625 | |
| 626 | /// GetAddrOfGlobalBlock - Gets the address of a block which |
| 627 | /// requires no captures. |
| 628 | llvm::Constant *GetAddrOfGlobalBlock(const BlockExpr *BE, const char *); |
Anders Carlsson | a04efdf | 2010-04-24 21:23:59 +0000 | [diff] [blame] | 629 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 630 | /// GetAddrOfConstantCFString - Return a pointer to a constant CFString object |
| 631 | /// for the given string. |
Steve Naroff | 8d4141f | 2009-04-01 13:55:36 +0000 | [diff] [blame] | 632 | llvm::Constant *GetAddrOfConstantCFString(const StringLiteral *Literal); |
Fariborz Jahanian | 33e982b | 2010-04-22 20:26:39 +0000 | [diff] [blame] | 633 | |
Fariborz Jahanian | 4c73307 | 2010-10-19 17:19:29 +0000 | [diff] [blame] | 634 | /// GetAddrOfConstantString - Return a pointer to a constant NSString object |
| 635 | /// for the given string. Or a user defined String object as defined via |
| 636 | /// -fconstant-string-class=class_name option. |
| 637 | llvm::Constant *GetAddrOfConstantString(const StringLiteral *Literal); |
Chris Lattner | a7ad98f | 2008-02-11 00:02:17 +0000 | [diff] [blame] | 638 | |
Eli Friedman | 64f45a2 | 2011-11-01 02:23:42 +0000 | [diff] [blame] | 639 | /// GetConstantArrayFromStringLiteral - Return a constant array for the given |
| 640 | /// string. |
| 641 | llvm::Constant *GetConstantArrayFromStringLiteral(const StringLiteral *E); |
| 642 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 643 | /// GetAddrOfConstantStringFromLiteral - Return a pointer to a constant array |
| 644 | /// for the given string literal. |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 645 | llvm::Constant *GetAddrOfConstantStringFromLiteral(const StringLiteral *S); |
Daniel Dunbar | 1e04976 | 2008-08-10 20:25:57 +0000 | [diff] [blame] | 646 | |
Chris Lattner | eaf2bb8 | 2009-02-24 22:18:39 +0000 | [diff] [blame] | 647 | /// GetAddrOfConstantStringFromObjCEncode - Return a pointer to a constant |
| 648 | /// array for the given ObjCEncodeExpr node. |
| 649 | llvm::Constant *GetAddrOfConstantStringFromObjCEncode(const ObjCEncodeExpr *); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 650 | |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 651 | /// GetAddrOfConstantString - Returns a pointer to a character array |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 652 | /// containing the literal. This contents are exactly that of the given |
| 653 | /// string, i.e. it will not be null terminated automatically; see |
| 654 | /// GetAddrOfConstantCString. Note that whether the result is actually a |
| 655 | /// pointer to an LLVM constant depends on Feature.WriteableStrings. |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 656 | /// |
| 657 | /// The result has pointer to array type. |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 658 | /// |
| 659 | /// \param GlobalName If provided, the name to use for the global |
| 660 | /// (if one is created). |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 661 | llvm::Constant *GetAddrOfConstantString(StringRef Str, |
John McCall | a5e19c6 | 2011-08-04 01:03:22 +0000 | [diff] [blame] | 662 | const char *GlobalName=0, |
| 663 | unsigned Alignment=1); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 664 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 665 | /// GetAddrOfConstantCString - Returns a pointer to a character array |
| 666 | /// containing the literal and a terminating '\0' character. The result has |
| 667 | /// pointer to array type. |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 668 | /// |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 669 | /// \param GlobalName If provided, the name to use for the global (if one is |
| 670 | /// created). |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 671 | llvm::Constant *GetAddrOfConstantCString(const std::string &str, |
John McCall | a5e19c6 | 2011-08-04 01:03:22 +0000 | [diff] [blame] | 672 | const char *GlobalName=0, |
| 673 | unsigned Alignment=1); |
Richard Smith | 7401cf5 | 2011-11-22 22:48:32 +0000 | [diff] [blame] | 674 | |
| 675 | /// GetAddrOfConstantCompoundLiteral - Returns a pointer to a constant global |
| 676 | /// variable for the given file-scope compound literal expression. |
| 677 | llvm::Constant *GetAddrOfConstantCompoundLiteral(const CompoundLiteralExpr*E); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 678 | |
Douglas Gregor | 0815b57 | 2011-08-09 17:23:49 +0000 | [diff] [blame] | 679 | /// \brief Retrieve the record type that describes the state of an |
| 680 | /// Objective-C fast enumeration loop (for..in). |
| 681 | QualType getObjCFastEnumerationStateType(); |
| 682 | |
Anders Carlsson | 363c184 | 2009-04-16 23:57:24 +0000 | [diff] [blame] | 683 | /// GetAddrOfCXXConstructor - Return the address of the constructor of the |
| 684 | /// given type. |
John McCall | 1f6f961 | 2011-03-09 08:12:35 +0000 | [diff] [blame] | 685 | llvm::GlobalValue *GetAddrOfCXXConstructor(const CXXConstructorDecl *ctor, |
| 686 | CXXCtorType ctorType, |
| 687 | const CGFunctionInfo *fnInfo = 0); |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 688 | |
| 689 | /// GetAddrOfCXXDestructor - Return the address of the constructor of the |
| 690 | /// given type. |
John McCall | 1f6f961 | 2011-03-09 08:12:35 +0000 | [diff] [blame] | 691 | llvm::GlobalValue *GetAddrOfCXXDestructor(const CXXDestructorDecl *dtor, |
| 692 | CXXDtorType dtorType, |
| 693 | const CGFunctionInfo *fnInfo = 0); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 694 | |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 695 | /// getBuiltinLibFunction - Given a builtin id for a function like |
| 696 | /// "__builtin_fabsf", return a Function* for "fabsf". |
Daniel Dunbar | 34771b5 | 2009-09-14 04:33:21 +0000 | [diff] [blame] | 697 | llvm::Value *getBuiltinLibFunction(const FunctionDecl *FD, |
| 698 | unsigned BuiltinID); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 699 | |
Chris Lattner | 2d3ba4f | 2011-07-23 17:14:25 +0000 | [diff] [blame] | 700 | llvm::Function *getIntrinsic(unsigned IID, ArrayRef<llvm::Type*> Tys = |
| 701 | ArrayRef<llvm::Type*>()); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 702 | |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 703 | /// EmitTopLevelDecl - Emit code for a single top level declaration. |
| 704 | void EmitTopLevelDecl(Decl *D); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 705 | |
Rafael Espindola | 0250393 | 2012-03-08 15:51:03 +0000 | [diff] [blame] | 706 | /// HandleCXXStaticMemberVarInstantiation - Tell the consumer that this |
| 707 | // variable has been instantiated. |
| 708 | void HandleCXXStaticMemberVarInstantiation(VarDecl *VD); |
Rafael Espindola | 234fe65 | 2012-03-05 10:54:55 +0000 | [diff] [blame] | 709 | |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 710 | /// AddUsedGlobal - Add a global which should be forced to be |
| 711 | /// present in the object file; these are emitted to the llvm.used |
| 712 | /// metadata global. |
| 713 | void AddUsedGlobal(llvm::GlobalValue *GV); |
| 714 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 715 | /// AddCXXDtorEntry - Add a destructor and object to add to the C++ global |
| 716 | /// destructor function. |
Chris Lattner | 810112e | 2010-06-19 05:52:45 +0000 | [diff] [blame] | 717 | void AddCXXDtorEntry(llvm::Constant *DtorFn, llvm::Constant *Object) { |
| 718 | CXXGlobalDtors.push_back(std::make_pair(DtorFn, Object)); |
| 719 | } |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 720 | |
Chris Lattner | 74391b4 | 2009-03-22 21:03:39 +0000 | [diff] [blame] | 721 | /// CreateRuntimeFunction - Create a new runtime function with the specified |
| 722 | /// type and name. |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 723 | llvm::Constant *CreateRuntimeFunction(llvm::FunctionType *Ty, |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 724 | StringRef Name, |
Bill Wendling | 72390b3 | 2012-12-20 19:27:06 +0000 | [diff] [blame] | 725 | llvm::Attribute ExtraAttrs = |
| 726 | llvm::Attribute()); |
Chris Lattner | 74391b4 | 2009-03-22 21:03:39 +0000 | [diff] [blame] | 727 | /// CreateRuntimeVariable - Create a new runtime global variable with the |
| 728 | /// specified type and name. |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 729 | llvm::Constant *CreateRuntimeVariable(llvm::Type *Ty, |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 730 | StringRef Name); |
Daniel Dunbar | f1968f2 | 2008-10-01 00:49:24 +0000 | [diff] [blame] | 731 | |
Daniel Dunbar | 673431a | 2010-07-16 00:00:15 +0000 | [diff] [blame] | 732 | ///@name Custom Blocks Runtime Interfaces |
| 733 | ///@{ |
| 734 | |
| 735 | llvm::Constant *getNSConcreteGlobalBlock(); |
| 736 | llvm::Constant *getNSConcreteStackBlock(); |
| 737 | llvm::Constant *getBlockObjectAssign(); |
| 738 | llvm::Constant *getBlockObjectDispose(); |
| 739 | |
| 740 | ///@} |
| 741 | |
Devang Patel | e80d567 | 2011-03-23 16:29:39 +0000 | [diff] [blame] | 742 | // UpdateCompleteType - Make sure that this type is translated. |
| 743 | void UpdateCompletedType(const TagDecl *TD); |
Daniel Dunbar | d60f2fb | 2009-02-17 18:43:32 +0000 | [diff] [blame] | 744 | |
John McCall | 5808ce4 | 2011-02-03 08:15:49 +0000 | [diff] [blame] | 745 | llvm::Constant *getMemberPointerConstant(const UnaryOperator *e); |
| 746 | |
Richard Smith | 2d6a567 | 2012-01-14 04:30:29 +0000 | [diff] [blame] | 747 | /// EmitConstantInit - Try to emit the initializer for the given declaration |
| 748 | /// as a constant; returns 0 if the expression cannot be emitted as a |
| 749 | /// constant. |
| 750 | llvm::Constant *EmitConstantInit(const VarDecl &D, CodeGenFunction *CGF = 0); |
| 751 | |
Daniel Dunbar | d60f2fb | 2009-02-17 18:43:32 +0000 | [diff] [blame] | 752 | /// EmitConstantExpr - Try to emit the given expression as a |
| 753 | /// constant; returns 0 if the expression cannot be emitted as a |
| 754 | /// constant. |
Anders Carlsson | e9352cc | 2009-04-08 04:48:15 +0000 | [diff] [blame] | 755 | llvm::Constant *EmitConstantExpr(const Expr *E, QualType DestType, |
| 756 | CodeGenFunction *CGF = 0); |
Daniel Dunbar | d60f2fb | 2009-02-17 18:43:32 +0000 | [diff] [blame] | 757 | |
Richard Smith | a3ca41f | 2012-03-02 23:27:11 +0000 | [diff] [blame] | 758 | /// EmitConstantValue - Emit the given constant value as a constant, in the |
| 759 | /// type's scalar representation. |
Richard Smith | 2d6a567 | 2012-01-14 04:30:29 +0000 | [diff] [blame] | 760 | llvm::Constant *EmitConstantValue(const APValue &Value, QualType DestType, |
| 761 | CodeGenFunction *CGF = 0); |
| 762 | |
Richard Smith | a3ca41f | 2012-03-02 23:27:11 +0000 | [diff] [blame] | 763 | /// EmitConstantValueForMemory - Emit the given constant value as a constant, |
| 764 | /// in the type's memory representation. |
| 765 | llvm::Constant *EmitConstantValueForMemory(const APValue &Value, |
| 766 | QualType DestType, |
| 767 | CodeGenFunction *CGF = 0); |
| 768 | |
Eli Friedman | 0f59312 | 2009-04-13 21:47:26 +0000 | [diff] [blame] | 769 | /// EmitNullConstant - Return the result of value-initializing the given |
| 770 | /// type, i.e. a null expression of the given type. This is usually, |
| 771 | /// but not always, an LLVM null constant. |
| 772 | llvm::Constant *EmitNullConstant(QualType T); |
| 773 | |
Eli Friedman | 2ed7cb6 | 2011-10-14 02:27:24 +0000 | [diff] [blame] | 774 | /// EmitNullConstantForBase - Return a null constant appropriate for |
| 775 | /// zero-initializing a base class with the given type. This is usually, |
| 776 | /// but not always, an LLVM null constant. |
| 777 | llvm::Constant *EmitNullConstantForBase(const CXXRecordDecl *Record); |
| 778 | |
John McCall | 3209669 | 2011-03-18 02:56:14 +0000 | [diff] [blame] | 779 | /// Error - Emit a general error that something can't be done. |
Chandler Carruth | 0f30a12 | 2012-03-30 19:44:53 +0000 | [diff] [blame] | 780 | void Error(SourceLocation loc, StringRef error); |
John McCall | 3209669 | 2011-03-18 02:56:14 +0000 | [diff] [blame] | 781 | |
Daniel Dunbar | 488e993 | 2008-08-16 00:56:44 +0000 | [diff] [blame] | 782 | /// ErrorUnsupported - Print out an error that codegen doesn't support the |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 783 | /// specified stmt yet. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 784 | /// \param OmitOnError - If true, then this error should only be emitted if no |
| 785 | /// other errors have been reported. |
| 786 | void ErrorUnsupported(const Stmt *S, const char *Type, |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 787 | bool OmitOnError=false); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 788 | |
Daniel Dunbar | 488e993 | 2008-08-16 00:56:44 +0000 | [diff] [blame] | 789 | /// ErrorUnsupported - Print out an error that codegen doesn't support the |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 790 | /// specified decl yet. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 791 | /// \param OmitOnError - If true, then this error should only be emitted if no |
| 792 | /// other errors have been reported. |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 793 | void ErrorUnsupported(const Decl *D, const char *Type, |
| 794 | bool OmitOnError=false); |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 795 | |
Daniel Dunbar | 0e4f40e | 2009-04-17 00:48:04 +0000 | [diff] [blame] | 796 | /// SetInternalFunctionAttributes - Set the attributes on the LLVM |
| 797 | /// function for the given decl and function info. This applies |
| 798 | /// attributes necessary for handling the ABI as well as user |
| 799 | /// specified attributes like section. |
| 800 | void SetInternalFunctionAttributes(const Decl *D, llvm::Function *F, |
| 801 | const CGFunctionInfo &FI); |
Daniel Dunbar | f80519b | 2008-09-04 23:41:35 +0000 | [diff] [blame] | 802 | |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 803 | /// SetLLVMFunctionAttributes - Set the LLVM function attributes |
| 804 | /// (sext, zext, etc). |
| 805 | void SetLLVMFunctionAttributes(const Decl *D, |
| 806 | const CGFunctionInfo &Info, |
| 807 | llvm::Function *F); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 808 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 809 | /// SetLLVMFunctionAttributesForDefinition - Set the LLVM function attributes |
| 810 | /// which only apply to a function definintion. |
| 811 | void SetLLVMFunctionAttributesForDefinition(const Decl *D, llvm::Function *F); |
| 812 | |
Sylvestre Ledru | f3477c1 | 2012-09-27 10:16:10 +0000 | [diff] [blame] | 813 | /// ReturnTypeUsesSRet - Return true iff the given type uses 'sret' when used |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 814 | /// as a return type. |
Daniel Dunbar | dacf9dd | 2010-07-14 23:39:36 +0000 | [diff] [blame] | 815 | bool ReturnTypeUsesSRet(const CGFunctionInfo &FI); |
| 816 | |
Sylvestre Ledru | f3477c1 | 2012-09-27 10:16:10 +0000 | [diff] [blame] | 817 | /// ReturnTypeUsesFPRet - Return true iff the given type uses 'fpret' when |
Anders Carlsson | eea6480 | 2011-10-31 16:27:11 +0000 | [diff] [blame] | 818 | /// used as a return type. |
Daniel Dunbar | dacf9dd | 2010-07-14 23:39:36 +0000 | [diff] [blame] | 819 | bool ReturnTypeUsesFPRet(QualType ResultType); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 820 | |
Sylvestre Ledru | f3477c1 | 2012-09-27 10:16:10 +0000 | [diff] [blame] | 821 | /// ReturnTypeUsesFP2Ret - Return true iff the given type uses 'fp2ret' when |
Anders Carlsson | eea6480 | 2011-10-31 16:27:11 +0000 | [diff] [blame] | 822 | /// used as a return type. |
| 823 | bool ReturnTypeUsesFP2Ret(QualType ResultType); |
| 824 | |
Daniel Dunbar | ca6408c | 2009-09-12 00:59:20 +0000 | [diff] [blame] | 825 | /// ConstructAttributeList - Get the LLVM attributes and calling convention to |
| 826 | /// use for a particular function type. |
| 827 | /// |
| 828 | /// \param Info - The function type information. |
| 829 | /// \param TargetDecl - The decl these attributes are being constructed |
| 830 | /// for. If supplied the attributes applied to this decl may contribute to the |
| 831 | /// function attributes and calling convention. |
| 832 | /// \param PAL [out] - On return, the attribute list to use. |
| 833 | /// \param CallingConv [out] - On return, the LLVM calling convention to use. |
Daniel Dunbar | 88b5396 | 2009-02-02 22:03:45 +0000 | [diff] [blame] | 834 | void ConstructAttributeList(const CGFunctionInfo &Info, |
| 835 | const Decl *TargetDecl, |
Daniel Dunbar | ca6408c | 2009-09-12 00:59:20 +0000 | [diff] [blame] | 836 | AttributeListType &PAL, |
| 837 | unsigned &CallingConv); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 838 | |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 839 | StringRef getMangledName(GlobalDecl GD); |
Peter Collingbourne | 1411047 | 2011-01-13 18:57:25 +0000 | [diff] [blame] | 840 | void getBlockMangledName(GlobalDecl GD, MangleBuffer &Buffer, |
| 841 | const BlockDecl *BD); |
Douglas Gregor | b6c8c8b | 2009-04-21 17:11:58 +0000 | [diff] [blame] | 842 | |
| 843 | void EmitTentativeDefinition(const VarDecl *D); |
Mike Stump | f121677 | 2009-07-31 18:25:34 +0000 | [diff] [blame] | 844 | |
Douglas Gregor | 6fb745b | 2010-05-13 16:44:06 +0000 | [diff] [blame] | 845 | void EmitVTable(CXXRecordDecl *Class, bool DefinitionRequired); |
| 846 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 847 | llvm::GlobalVariable::LinkageTypes |
| 848 | getFunctionLinkage(const FunctionDecl *FD); |
| 849 | |
John McCall | 8b24233 | 2010-05-25 04:30:21 +0000 | [diff] [blame] | 850 | void setFunctionLinkage(const FunctionDecl *FD, llvm::GlobalValue *V) { |
| 851 | V->setLinkage(getFunctionLinkage(FD)); |
| 852 | } |
| 853 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 854 | /// getVTableLinkage - Return the appropriate linkage for the vtable, VTT, |
Douglas Gregor | 4b0f21c | 2010-01-06 20:27:16 +0000 | [diff] [blame] | 855 | /// and type information of the given class. |
Anders Carlsson | 3a717f7 | 2011-01-24 02:04:33 +0000 | [diff] [blame] | 856 | llvm::GlobalVariable::LinkageTypes getVTableLinkage(const CXXRecordDecl *RD); |
Ken Dyck | 687cc4a | 2010-01-26 13:48:07 +0000 | [diff] [blame] | 857 | |
| 858 | /// GetTargetTypeStoreSize - Return the store size, in character units, of |
| 859 | /// the given LLVM type. |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 860 | CharUnits GetTargetTypeStoreSize(llvm::Type *Ty) const; |
Fariborz Jahanian | 354e712 | 2010-10-27 16:21:54 +0000 | [diff] [blame] | 861 | |
| 862 | /// GetLLVMLinkageVarDefinition - Returns LLVM linkage for a global |
| 863 | /// variable. |
| 864 | llvm::GlobalValue::LinkageTypes |
| 865 | GetLLVMLinkageVarDefinition(const VarDecl *D, |
| 866 | llvm::GlobalVariable *GV); |
| 867 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 868 | std::vector<const CXXRecordDecl*> DeferredVTables; |
Rafael Espindola | bbf58bb | 2010-03-10 02:19:29 +0000 | [diff] [blame] | 869 | |
Julien Lerouge | 77f68bb | 2011-09-09 22:41:49 +0000 | [diff] [blame] | 870 | /// Emit all the global annotations. |
| 871 | void EmitGlobalAnnotations(); |
| 872 | |
| 873 | /// Emit an annotation string. |
Dmitri Gribenko | cfa88f8 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 874 | llvm::Constant *EmitAnnotationString(StringRef Str); |
Julien Lerouge | 77f68bb | 2011-09-09 22:41:49 +0000 | [diff] [blame] | 875 | |
| 876 | /// Emit the annotation's translation unit. |
| 877 | llvm::Constant *EmitAnnotationUnit(SourceLocation Loc); |
| 878 | |
| 879 | /// Emit the annotation line number. |
| 880 | llvm::Constant *EmitAnnotationLineNo(SourceLocation L); |
| 881 | |
| 882 | /// EmitAnnotateAttr - Generate the llvm::ConstantStruct which contains the |
| 883 | /// annotation information for a given GlobalValue. The annotation struct is |
| 884 | /// {i8 *, i8 *, i8 *, i32}. The first field is a constant expression, the |
| 885 | /// GlobalValue being annotated. The second field is the constant string |
| 886 | /// created from the AnnotateAttr's annotation. The third field is a constant |
| 887 | /// string containing the name of the translation unit. The fourth field is |
| 888 | /// the line number in the file of the annotated value declaration. |
| 889 | llvm::Constant *EmitAnnotateAttr(llvm::GlobalValue *GV, |
| 890 | const AnnotateAttr *AA, |
| 891 | SourceLocation L); |
| 892 | |
| 893 | /// Add global annotations that are set on D, for the global GV. Those |
| 894 | /// annotations are emitted during finalization of the LLVM code. |
| 895 | void AddGlobalAnnotations(const ValueDecl *D, llvm::GlobalValue *GV); |
| 896 | |
Will Dietz | 4f45bc0 | 2013-01-18 11:30:38 +0000 | [diff] [blame^] | 897 | const llvm::BlackList &getSanitizerBlacklist() const { |
| 898 | return SanitizerBlacklist; |
| 899 | } |
| 900 | |
| 901 | const SanitizerOptions &getSanOpts() const { return SanOpts; } |
| 902 | |
Chris Lattner | 9cd4fe4 | 2007-12-02 07:09:19 +0000 | [diff] [blame] | 903 | private: |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 904 | llvm::GlobalValue *GetGlobalValue(StringRef Ref); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 905 | |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 906 | llvm::Constant *GetOrCreateLLVMFunction(StringRef MangledName, |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 907 | llvm::Type *Ty, |
Anders Carlsson | 1faa89f | 2011-02-05 04:35:53 +0000 | [diff] [blame] | 908 | GlobalDecl D, |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 909 | bool ForVTable, |
Bill Wendling | 72390b3 | 2012-12-20 19:27:06 +0000 | [diff] [blame] | 910 | llvm::Attribute ExtraAttrs = |
| 911 | llvm::Attribute()); |
Chris Lattner | 686775d | 2011-07-20 06:58:45 +0000 | [diff] [blame] | 912 | llvm::Constant *GetOrCreateLLVMGlobal(StringRef MangledName, |
Chris Lattner | 2acc6e3 | 2011-07-18 04:24:23 +0000 | [diff] [blame] | 913 | llvm::PointerType *PTy, |
Rafael Espindola | c532b50 | 2011-01-18 21:07:57 +0000 | [diff] [blame] | 914 | const VarDecl *D, |
| 915 | bool UnnamedAddr = false); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 916 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 917 | /// SetCommonAttributes - Set attributes which are common to any |
| 918 | /// form of a global definition (alias, Objective-C method, |
| 919 | /// function, global variable). |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 920 | /// |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 921 | /// NOTE: This should only be called for definitions. |
| 922 | void SetCommonAttributes(const Decl *D, llvm::GlobalValue *GV); |
Daniel Dunbar | f80519b | 2008-09-04 23:41:35 +0000 | [diff] [blame] | 923 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 924 | /// SetFunctionDefinitionAttributes - Set attributes for a global definition. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 925 | void SetFunctionDefinitionAttributes(const FunctionDecl *D, |
Eli Friedman | c6c14d1 | 2009-05-26 01:22:57 +0000 | [diff] [blame] | 926 | llvm::GlobalValue *GV); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 927 | |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 928 | /// SetFunctionAttributes - Set function attributes for a function |
| 929 | /// declaration. |
Anders Carlsson | b2bcf1c | 2010-02-06 02:44:09 +0000 | [diff] [blame] | 930 | void SetFunctionAttributes(GlobalDecl GD, |
Eli Friedman | c6c14d1 | 2009-05-26 01:22:57 +0000 | [diff] [blame] | 931 | llvm::Function *F, |
| 932 | bool IsIncompleteFunction); |
Nuno Lopes | d4cbda6 | 2008-06-08 15:45:52 +0000 | [diff] [blame] | 933 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 934 | /// EmitGlobal - Emit code for a singal global function or var decl. Forward |
| 935 | /// declarations are emitted lazily. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 936 | void EmitGlobal(GlobalDecl D); |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 937 | |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 938 | void EmitGlobalDefinition(GlobalDecl D); |
Daniel Dunbar | d5d3180 | 2009-02-19 07:15:39 +0000 | [diff] [blame] | 939 | |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 940 | void EmitGlobalFunctionDefinition(GlobalDecl GD); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 941 | void EmitGlobalVarDefinition(const VarDecl *D); |
Sebastian Redl | 19b1a6e | 2012-02-25 20:51:20 +0000 | [diff] [blame] | 942 | llvm::Constant *MaybeEmitGlobalStdInitializerListInitializer(const VarDecl *D, |
| 943 | const Expr *init); |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 944 | void EmitAliasDefinition(GlobalDecl GD); |
Daniel Dunbar | af05bb9 | 2008-08-26 08:29:31 +0000 | [diff] [blame] | 945 | void EmitObjCPropertyImplementations(const ObjCImplementationDecl *D); |
Fariborz Jahanian | 109dfc6 | 2010-04-28 21:28:56 +0000 | [diff] [blame] | 946 | void EmitObjCIvarInitializations(ObjCImplementationDecl *D); |
Fariborz Jahanian | 354e712 | 2010-10-27 16:21:54 +0000 | [diff] [blame] | 947 | |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 948 | // C++ related functions. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 949 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 950 | bool TryEmitDefinitionAsAlias(GlobalDecl Alias, GlobalDecl Target); |
John McCall | c0bf462 | 2010-02-23 00:48:20 +0000 | [diff] [blame] | 951 | bool TryEmitBaseDestructorAsAlias(const CXXDestructorDecl *D); |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 952 | |
Anders Carlsson | 984e068 | 2009-04-01 00:58:25 +0000 | [diff] [blame] | 953 | void EmitNamespace(const NamespaceDecl *D); |
Anders Carlsson | 91e20dd | 2009-04-02 05:55:18 +0000 | [diff] [blame] | 954 | void EmitLinkageSpec(const LinkageSpecDecl *D); |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 955 | |
| 956 | /// EmitCXXConstructors - Emit constructors (base, complete) from a |
| 957 | /// C++ constructor Decl. |
| 958 | void EmitCXXConstructors(const CXXConstructorDecl *D); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 959 | |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 960 | /// EmitCXXConstructor - Emit a single constructor with the given type from |
| 961 | /// a C++ constructor Decl. |
| 962 | void EmitCXXConstructor(const CXXConstructorDecl *D, CXXCtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 963 | |
| 964 | /// EmitCXXDestructors - Emit destructors (base, complete) from a |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 965 | /// C++ destructor Decl. |
| 966 | void EmitCXXDestructors(const CXXDestructorDecl *D); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 967 | |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 968 | /// EmitCXXDestructor - Emit a single destructor with the given type from |
| 969 | /// a C++ destructor Decl. |
| 970 | void EmitCXXDestructor(const CXXDestructorDecl *D, CXXDtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 971 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 972 | /// EmitCXXGlobalInitFunc - Emit the function that initializes C++ globals. |
Anders Carlsson | 89ed31d | 2009-08-08 23:24:23 +0000 | [diff] [blame] | 973 | void EmitCXXGlobalInitFunc(); |
Eli Friedman | 6c6bda3 | 2010-01-08 00:50:11 +0000 | [diff] [blame] | 974 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 975 | /// EmitCXXGlobalDtorFunc - Emit the function that destroys C++ globals. |
| 976 | void EmitCXXGlobalDtorFunc(); |
| 977 | |
Richard Smith | 7ca4850 | 2012-02-13 22:16:19 +0000 | [diff] [blame] | 978 | /// EmitCXXGlobalVarDeclInitFunc - Emit the function that initializes the |
| 979 | /// specified global (if PerformInit is true) and registers its destructor. |
John McCall | 3030eb8 | 2010-11-06 09:44:32 +0000 | [diff] [blame] | 980 | void EmitCXXGlobalVarDeclInitFunc(const VarDecl *D, |
Richard Smith | 7ca4850 | 2012-02-13 22:16:19 +0000 | [diff] [blame] | 981 | llvm::GlobalVariable *Addr, |
| 982 | bool PerformInit); |
Eli Friedman | 6c6bda3 | 2010-01-08 00:50:11 +0000 | [diff] [blame] | 983 | |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 984 | // FIXME: Hardcoding priority here is gross. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 985 | void AddGlobalCtor(llvm::Function *Ctor, int Priority=65535); |
| 986 | void AddGlobalDtor(llvm::Function *Dtor, int Priority=65535); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 987 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 988 | /// EmitCtorList - Generates a global array of functions and priorities using |
| 989 | /// the given list and name. This array will have appending linkage and is |
| 990 | /// suitable for use as a LLVM constructor or destructor array. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 991 | void EmitCtorList(const CtorList &Fns, const char *GlobalName); |
| 992 | |
Rafael Espindola | d1a5c31 | 2010-03-27 02:52:14 +0000 | [diff] [blame] | 993 | /// EmitFundamentalRTTIDescriptor - Emit the RTTI descriptors for the |
| 994 | /// given type. |
| 995 | void EmitFundamentalRTTIDescriptor(QualType Type); |
| 996 | |
| 997 | /// EmitFundamentalRTTIDescriptors - Emit the RTTI descriptors for the |
| 998 | /// builtin types. |
| 999 | void EmitFundamentalRTTIDescriptors(); |
| 1000 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 1001 | /// EmitDeferred - Emit any needed decls for which code generation |
| 1002 | /// was deferred. |
Dmitri Gribenko | c4a7790 | 2012-11-15 14:28:07 +0000 | [diff] [blame] | 1003 | void EmitDeferred(); |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 1004 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 1005 | /// EmitLLVMUsed - Emit the llvm.used metadata used to force |
| 1006 | /// references to global which may otherwise be optimized out. |
Dmitri Gribenko | c4a7790 | 2012-11-15 14:28:07 +0000 | [diff] [blame] | 1007 | void EmitLLVMUsed(); |
Daniel Dunbar | f1968f2 | 2008-10-01 00:49:24 +0000 | [diff] [blame] | 1008 | |
Douglas Gregor | 858afb3 | 2013-01-14 20:53:57 +0000 | [diff] [blame] | 1009 | /// \brief Emit the link options introduced by imported modules. |
| 1010 | void EmitModuleLinkOptions(); |
| 1011 | |
John McCall | 744016d | 2010-07-06 23:57:41 +0000 | [diff] [blame] | 1012 | void EmitDeclMetadata(); |
| 1013 | |
Nick Lewycky | 3dc0541 | 2011-05-05 00:08:20 +0000 | [diff] [blame] | 1014 | /// EmitCoverageFile - Emit the llvm.gcov metadata used to tell LLVM where |
Nick Lewycky | 5ea4f44 | 2011-05-04 20:46:58 +0000 | [diff] [blame] | 1015 | /// to emit the .gcno and .gcda files in a way that persists in .bc files. |
Nick Lewycky | 3dc0541 | 2011-05-05 00:08:20 +0000 | [diff] [blame] | 1016 | void EmitCoverageFile(); |
Nick Lewycky | 5ea4f44 | 2011-05-04 20:46:58 +0000 | [diff] [blame] | 1017 | |
Nico Weber | c5f8046 | 2012-10-11 10:13:44 +0000 | [diff] [blame] | 1018 | /// Emits the initializer for a uuidof string. |
| 1019 | llvm::Constant *EmitUuidofInitializer(StringRef uuidstr, QualType IIDType); |
| 1020 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 1021 | /// MayDeferGeneration - Determine if the given decl can be emitted |
| 1022 | /// lazily; this is only relevant for definitions. The given decl |
| 1023 | /// must be either a function or var decl. |
Daniel Dunbar | 73241df | 2009-02-13 21:18:01 +0000 | [diff] [blame] | 1024 | bool MayDeferGeneration(const ValueDecl *D); |
John McCall | b259383 | 2010-09-16 06:16:50 +0000 | [diff] [blame] | 1025 | |
| 1026 | /// SimplifyPersonality - Check whether we can use a "simpler", more |
| 1027 | /// core exceptions personality function. |
| 1028 | void SimplifyPersonality(); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1029 | }; |
| 1030 | } // end namespace CodeGen |
| 1031 | } // end namespace clang |
| 1032 | |
| 1033 | #endif |