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 | |
Daniel Dunbar | 04d4078 | 2009-04-14 06:00:08 +0000 | [diff] [blame] | 17 | #include "clang/Basic/LangOptions.h" |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 18 | #include "clang/AST/Attr.h" |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 19 | #include "clang/AST/DeclCXX.h" |
Anders Carlsson | 0ff8baf | 2009-09-11 00:07:24 +0000 | [diff] [blame] | 20 | #include "clang/AST/DeclObjC.h" |
Chris Lattner | bd36064 | 2009-03-26 05:00:52 +0000 | [diff] [blame] | 21 | #include "CGBlocks.h" |
| 22 | #include "CGCall.h" |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 23 | #include "CGCXX.h" |
Anders Carlsson | dbd920c | 2009-10-11 22:13:54 +0000 | [diff] [blame] | 24 | #include "CGVtable.h" |
Chris Lattner | bd36064 | 2009-03-26 05:00:52 +0000 | [diff] [blame] | 25 | #include "CodeGenTypes.h" |
Anders Carlsson | 764d0c2 | 2009-11-13 04:25:07 +0000 | [diff] [blame] | 26 | #include "GlobalDecl.h" |
Anders Carlsson | b540491 | 2009-10-07 01:06:45 +0000 | [diff] [blame] | 27 | #include "Mangle.h" |
Owen Anderson | 6924382 | 2009-07-13 04:10:07 +0000 | [diff] [blame] | 28 | #include "llvm/Module.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 29 | #include "llvm/ADT/DenseMap.h" |
Anders Carlsson | c9e2091 | 2007-08-21 00:21:21 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringMap.h" |
Douglas Gregor | 6ec3668 | 2009-02-18 23:53:56 +0000 | [diff] [blame] | 31 | #include "llvm/ADT/StringSet.h" |
Chris Lattner | 35f38a2 | 2009-03-31 22:37:52 +0000 | [diff] [blame] | 32 | #include "llvm/Support/ValueHandle.h" |
Anders Carlsson | b723f75 | 2009-01-04 02:08:04 +0000 | [diff] [blame] | 33 | #include <list> |
| 34 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | namespace llvm { |
| 36 | class Module; |
| 37 | class Constant; |
| 38 | class Function; |
Nate Begeman | 8bd4afe | 2008-04-19 04:17:09 +0000 | [diff] [blame] | 39 | class GlobalValue; |
Devang Patel | 7a4718e | 2007-10-31 20:01:01 +0000 | [diff] [blame] | 40 | class TargetData; |
Eli Friedman | ff4a2d9 | 2008-06-01 15:54:49 +0000 | [diff] [blame] | 41 | class FunctionType; |
Benjamin Kramer | f21efe9 | 2009-08-11 17:46:57 +0000 | [diff] [blame] | 42 | class LLVMContext; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | namespace clang { |
Anton Korobeynikov | 82d0a41 | 2010-01-10 12:58:08 +0000 | [diff] [blame] | 46 | class TargetCodeGenInfo; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 47 | class ASTContext; |
| 48 | class FunctionDecl; |
Daniel Dunbar | 90db882 | 2008-08-25 06:18:57 +0000 | [diff] [blame] | 49 | class IdentifierInfo; |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 50 | class ObjCMethodDecl; |
Anton Korobeynikov | 20ff310 | 2008-06-01 14:13:53 +0000 | [diff] [blame] | 51 | class ObjCImplementationDecl; |
| 52 | class ObjCCategoryImplDecl; |
| 53 | class ObjCProtocolDecl; |
Chris Lattner | eaf2bb8 | 2009-02-24 22:18:39 +0000 | [diff] [blame] | 54 | class ObjCEncodeExpr; |
Anders Carlsson | d5cab54 | 2009-02-12 17:55:02 +0000 | [diff] [blame] | 55 | class BlockExpr; |
Ken Dyck | 687cc4a | 2010-01-26 13:48:07 +0000 | [diff] [blame] | 56 | class CharUnits; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 57 | class Decl; |
Oliver Hunt | 2824723 | 2007-12-02 00:11:25 +0000 | [diff] [blame] | 58 | class Expr; |
Chris Lattner | 2c8569d | 2007-12-02 07:19:18 +0000 | [diff] [blame] | 59 | class Stmt; |
Daniel Dunbar | 1e04976 | 2008-08-10 20:25:57 +0000 | [diff] [blame] | 60 | class StringLiteral; |
Nate Begeman | 1a1d92a | 2008-04-20 20:38:08 +0000 | [diff] [blame] | 61 | class NamedDecl; |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 62 | class ValueDecl; |
Chris Lattner | 2b9d2ca | 2007-12-18 08:16:44 +0000 | [diff] [blame] | 63 | class VarDecl; |
Sebastian Redl | 43af76e | 2009-03-07 12:16:37 +0000 | [diff] [blame] | 64 | class LangOptions; |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 65 | class CodeGenOptions; |
Chris Lattner | fb97b03 | 2007-12-02 01:40:18 +0000 | [diff] [blame] | 66 | class Diagnostic; |
Nate Begeman | 8bd4afe | 2008-04-19 04:17:09 +0000 | [diff] [blame] | 67 | class AnnotateAttr; |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 68 | class CXXDestructorDecl; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 69 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 70 | namespace CodeGen { |
| 71 | |
Lauro Ramos Venancio | 8137335 | 2008-02-26 21:41:45 +0000 | [diff] [blame] | 72 | class CodeGenFunction; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 73 | class CGDebugInfo; |
Daniel Dunbar | af2f62c | 2008-08-13 00:59:25 +0000 | [diff] [blame] | 74 | class CGObjCRuntime; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 75 | |
Anders Carlsson | 4a6835e | 2009-09-10 23:38:47 +0000 | [diff] [blame] | 76 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 77 | /// CodeGenModule - This class organizes the cross-function state that is used |
| 78 | /// while generating LLVM code. |
Mike Stump | 2a99814 | 2009-03-04 18:17:45 +0000 | [diff] [blame] | 79 | class CodeGenModule : public BlockModule { |
Anders Carlsson | 8a219ce | 2009-02-24 04:21:31 +0000 | [diff] [blame] | 80 | CodeGenModule(const CodeGenModule&); // DO NOT IMPLEMENT |
| 81 | void operator=(const CodeGenModule&); // DO NOT IMPLEMENT |
| 82 | |
Chris Lattner | ca0017a | 2009-09-12 22:45:21 +0000 | [diff] [blame] | 83 | typedef std::vector<std::pair<llvm::Constant*, int> > CtorList; |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 84 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 85 | ASTContext &Context; |
Chris Lattner | 45e8cbd | 2007-11-28 05:34:05 +0000 | [diff] [blame] | 86 | const LangOptions &Features; |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 87 | const CodeGenOptions &CodeGenOpts; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 88 | llvm::Module &TheModule; |
Devang Patel | 7a4718e | 2007-10-31 20:01:01 +0000 | [diff] [blame] | 89 | const llvm::TargetData &TheTargetData; |
Anton Korobeynikov | 82d0a41 | 2010-01-10 12:58:08 +0000 | [diff] [blame] | 90 | mutable const TargetCodeGenInfo *TheTargetCodeGenInfo; |
Chris Lattner | fb97b03 | 2007-12-02 01:40:18 +0000 | [diff] [blame] | 91 | Diagnostic &Diags; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 92 | CodeGenTypes Types; |
Anders Carlsson | b540491 | 2009-10-07 01:06:45 +0000 | [diff] [blame] | 93 | MangleContext MangleCtx; |
| 94 | |
Anders Carlsson | dbd920c | 2009-10-11 22:13:54 +0000 | [diff] [blame] | 95 | /// VtableInfo - Holds information about C++ vtables. |
| 96 | CGVtableInfo VtableInfo; |
| 97 | |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 98 | CGObjCRuntime* Runtime; |
| 99 | CGDebugInfo* DebugInfo; |
Anders Carlsson | b540491 | 2009-10-07 01:06:45 +0000 | [diff] [blame] | 100 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 101 | llvm::Function *MemCpyFn; |
Eli Friedman | 0c99509 | 2008-05-26 12:59:39 +0000 | [diff] [blame] | 102 | llvm::Function *MemMoveFn; |
Lauro Ramos Venancio | 41ef30e | 2008-02-19 22:01:01 +0000 | [diff] [blame] | 103 | llvm::Function *MemSetFn; |
Daniel Dunbar | 9986eab | 2008-07-30 16:32:24 +0000 | [diff] [blame] | 104 | |
Douglas Gregor | 6ec3668 | 2009-02-18 23:53:56 +0000 | [diff] [blame] | 105 | /// GlobalDeclMap - Mapping of decl names (represented as unique |
| 106 | /// character pointers from either the identifier table or the set |
| 107 | /// of mangled names) to global variables we have already |
| 108 | /// emitted. Note that the entries in this map are the actual |
| 109 | /// globals and therefore may not be of the same type as the decl, |
| 110 | /// they should be bitcasted on retrieval. Also note that the |
Chris Lattner | e21c4b8 | 2009-03-21 07:48:31 +0000 | [diff] [blame] | 111 | /// globals are keyed on their source mangled name, not the global name |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 112 | /// (which may change with attributes such as asm-labels). The key |
Douglas Gregor | 6ec3668 | 2009-02-18 23:53:56 +0000 | [diff] [blame] | 113 | /// to this map should be generated using getMangledName(). |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 114 | /// |
| 115 | /// Note that this map always lines up exactly with the contents of the LLVM |
| 116 | /// IR symbol table, but this is quicker to query since it is doing uniqued |
| 117 | /// pointer lookups instead of full string lookups. |
Douglas Gregor | 6ec3668 | 2009-02-18 23:53:56 +0000 | [diff] [blame] | 118 | llvm::DenseMap<const char*, llvm::GlobalValue*> GlobalDeclMap; |
| 119 | |
| 120 | /// \brief Contains the strings used for mangled names. |
| 121 | /// |
| 122 | /// FIXME: Eventually, this should map from the semantic/canonical |
| 123 | /// declaration for each global entity to its mangled name (if it |
| 124 | /// has one). |
| 125 | llvm::StringSet<> MangledNames; |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 126 | |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 127 | /// DeferredDecls - This contains all the decls which have definitions but |
| 128 | /// which are deferred for emission and therefore should only be output if |
| 129 | /// they are actually used. If a decl is in this, then it is known to have |
| 130 | /// not been referenced yet. The key to this map is a uniqued mangled name. |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 131 | llvm::DenseMap<const char*, GlobalDecl> DeferredDecls; |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 132 | |
Chris Lattner | 67b0052 | 2009-03-21 09:44:56 +0000 | [diff] [blame] | 133 | /// DeferredDeclsToEmit - This is a list of deferred decls which we have seen |
| 134 | /// that *are* actually referenced. These get code generated when the module |
| 135 | /// is done. |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 136 | std::vector<GlobalDecl> DeferredDeclsToEmit; |
Daniel Dunbar | 03f5ad9 | 2009-04-15 22:08:45 +0000 | [diff] [blame] | 137 | |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 138 | /// LLVMUsed - List of global values which are required to be |
| 139 | /// present in the object file; bitcast to i8*. This is used for |
| 140 | /// forcing visibility of symbols which may otherwise be optimized |
| 141 | /// out. |
Chris Lattner | 35f38a2 | 2009-03-31 22:37:52 +0000 | [diff] [blame] | 142 | std::vector<llvm::WeakVH> LLVMUsed; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 143 | |
| 144 | /// GlobalCtors - Store the list of global constructors and their respective |
| 145 | /// priorities to be emitted when the translation unit is complete. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 146 | CtorList GlobalCtors; |
| 147 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 148 | /// GlobalDtors - Store the list of global destructors and their respective |
| 149 | /// priorities to be emitted when the translation unit is complete. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 150 | CtorList GlobalDtors; |
| 151 | |
Nate Begeman | 532485c | 2008-04-18 23:43:57 +0000 | [diff] [blame] | 152 | std::vector<llvm::Constant*> Annotations; |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 153 | |
Anders Carlsson | c9e2091 | 2007-08-21 00:21:21 +0000 | [diff] [blame] | 154 | llvm::StringMap<llvm::Constant*> CFConstantStringMap; |
Chris Lattner | 45e8cbd | 2007-11-28 05:34:05 +0000 | [diff] [blame] | 155 | llvm::StringMap<llvm::Constant*> ConstantStringMap; |
Daniel Dunbar | 3e9df99 | 2008-08-23 18:37:06 +0000 | [diff] [blame] | 156 | |
Anders Carlsson | 89ed31d | 2009-08-08 23:24:23 +0000 | [diff] [blame] | 157 | /// CXXGlobalInits - Variables with global initializers that need to run |
| 158 | /// before main. |
Eli Friedman | 6c6bda3 | 2010-01-08 00:50:11 +0000 | [diff] [blame] | 159 | std::vector<llvm::Constant*> CXXGlobalInits; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 160 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 161 | /// CFConstantStringClassRef - Cached reference to the class for constant |
| 162 | /// 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] | 163 | llvm::Constant *CFConstantStringClassRef; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 164 | |
David Chisnall | 0d13f6f | 2010-01-23 02:40:42 +0000 | [diff] [blame] | 165 | /// Lazily create the Objective-C runtime |
| 166 | void createObjCRuntime(); |
| 167 | |
Owen Anderson | a1cf15f | 2009-07-14 23:10:40 +0000 | [diff] [blame] | 168 | llvm::LLVMContext &VMContext; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 169 | public: |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 170 | CodeGenModule(ASTContext &C, const CodeGenOptions &CodeGenOpts, |
Chris Lattner | bd36064 | 2009-03-26 05:00:52 +0000 | [diff] [blame] | 171 | llvm::Module &M, const llvm::TargetData &TD, Diagnostic &Diags); |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 172 | |
Chris Lattner | 2b94fe3 | 2008-03-01 08:45:05 +0000 | [diff] [blame] | 173 | ~CodeGenModule(); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 174 | |
Ted Kremenek | 815c78f | 2008-08-05 18:50:11 +0000 | [diff] [blame] | 175 | /// Release - Finalize LLVM code generation. |
| 176 | void Release(); |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 177 | |
| 178 | /// getObjCRuntime() - Return a reference to the configured |
| 179 | /// Objective-C runtime. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 180 | CGObjCRuntime &getObjCRuntime() { |
David Chisnall | 0d13f6f | 2010-01-23 02:40:42 +0000 | [diff] [blame] | 181 | if (!Runtime) createObjCRuntime(); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 182 | return *Runtime; |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 183 | } |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 184 | |
Daniel Dunbar | 208ff5e | 2008-08-11 18:12:00 +0000 | [diff] [blame] | 185 | /// hasObjCRuntime() - Return true iff an Objective-C runtime has |
| 186 | /// been configured. |
| 187 | bool hasObjCRuntime() { return !!Runtime; } |
| 188 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 189 | CGDebugInfo *getDebugInfo() { return DebugInfo; } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 190 | ASTContext &getContext() const { return Context; } |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 191 | const CodeGenOptions &getCodeGenOpts() const { return CodeGenOpts; } |
Chris Lattner | 45e8cbd | 2007-11-28 05:34:05 +0000 | [diff] [blame] | 192 | const LangOptions &getLangOptions() const { return Features; } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 193 | llvm::Module &getModule() const { return TheModule; } |
| 194 | CodeGenTypes &getTypes() { return Types; } |
Anders Carlsson | b540491 | 2009-10-07 01:06:45 +0000 | [diff] [blame] | 195 | MangleContext &getMangleContext() { return MangleCtx; } |
Anders Carlsson | dbd920c | 2009-10-11 22:13:54 +0000 | [diff] [blame] | 196 | CGVtableInfo &getVtableInfo() { return VtableInfo; } |
Chris Lattner | fb97b03 | 2007-12-02 01:40:18 +0000 | [diff] [blame] | 197 | Diagnostic &getDiags() const { return Diags; } |
Chris Lattner | 8f92528 | 2008-01-03 06:36:51 +0000 | [diff] [blame] | 198 | const llvm::TargetData &getTargetData() const { return TheTargetData; } |
Owen Anderson | a1cf15f | 2009-07-14 23:10:40 +0000 | [diff] [blame] | 199 | llvm::LLVMContext &getLLVMContext() { return VMContext; } |
Anton Korobeynikov | 82d0a41 | 2010-01-10 12:58:08 +0000 | [diff] [blame] | 200 | const TargetCodeGenInfo &getTargetCodeGenInfo() const; |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 201 | |
Daniel Dunbar | 04d4078 | 2009-04-14 06:00:08 +0000 | [diff] [blame] | 202 | /// getDeclVisibilityMode - Compute the visibility of the decl \arg D. |
| 203 | LangOptions::VisibilityMode getDeclVisibilityMode(const Decl *D) const; |
| 204 | |
| 205 | /// setGlobalVisibility - Set the visibility for the given LLVM |
| 206 | /// GlobalValue. |
| 207 | void setGlobalVisibility(llvm::GlobalValue *GV, const Decl *D) const; |
| 208 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 209 | llvm::Constant *GetAddrOfGlobal(GlobalDecl GD) { |
| 210 | if (isa<CXXConstructorDecl>(GD.getDecl())) |
| 211 | return GetAddrOfCXXConstructor(cast<CXXConstructorDecl>(GD.getDecl()), |
| 212 | GD.getCtorType()); |
| 213 | else if (isa<CXXDestructorDecl>(GD.getDecl())) |
| 214 | return GetAddrOfCXXDestructor(cast<CXXDestructorDecl>(GD.getDecl()), |
| 215 | GD.getDtorType()); |
| 216 | else if (isa<FunctionDecl>(GD.getDecl())) |
| 217 | return GetAddrOfFunction(GD); |
| 218 | else |
| 219 | return GetAddrOfGlobalVar(cast<VarDecl>(GD.getDecl())); |
| 220 | } |
| 221 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 222 | /// GetAddrOfGlobalVar - Return the llvm::Constant for the address of the |
Chris Lattner | 570585c | 2009-03-21 09:16:30 +0000 | [diff] [blame] | 223 | /// given global variable. If Ty is non-null and if the global doesn't exist, |
| 224 | /// then it will be greated with the specified type instead of whatever the |
| 225 | /// normal requested type would be. |
| 226 | llvm::Constant *GetAddrOfGlobalVar(const VarDecl *D, |
| 227 | const llvm::Type *Ty = 0); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 228 | |
Chris Lattner | 3480950 | 2009-03-21 08:53:37 +0000 | [diff] [blame] | 229 | /// GetAddrOfFunction - Return the address of the given function. If Ty is |
| 230 | /// non-null, then this function will use the specified type if it has to |
| 231 | /// create it. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 232 | llvm::Constant *GetAddrOfFunction(GlobalDecl GD, |
Chris Lattner | 3480950 | 2009-03-21 08:53:37 +0000 | [diff] [blame] | 233 | const llvm::Type *Ty = 0); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 234 | |
Anders Carlsson | 1d7088d | 2009-12-17 07:09:17 +0000 | [diff] [blame] | 235 | /// GetAddrOfRTTIDescriptor - Get the address of the RTTI descriptor |
| 236 | /// for the given type. |
| 237 | llvm::Constant *GetAddrOfRTTIDescriptor(QualType Ty); |
Anders Carlsson | 31b7f52 | 2009-12-11 02:46:30 +0000 | [diff] [blame] | 238 | |
Eli Friedman | 72649ed | 2009-12-06 22:01:30 +0000 | [diff] [blame] | 239 | llvm::Constant *GetAddrOfThunk(GlobalDecl GD, |
| 240 | const ThunkAdjustment &ThisAdjustment); |
| 241 | llvm::Constant *GetAddrOfCovariantThunk(GlobalDecl GD, |
| 242 | const CovariantThunkAdjustment &ThisAdjustment); |
| 243 | void BuildThunksForVirtual(GlobalDecl GD); |
| 244 | void BuildThunksForVirtualRecursive(GlobalDecl GD, GlobalDecl BaseOGD); |
| 245 | |
Anders Carlsson | a94822e | 2009-11-26 02:32:05 +0000 | [diff] [blame] | 246 | /// BuildThunk - Build a thunk for the given method. |
Eli Friedman | 35c98cc | 2009-12-03 04:27:05 +0000 | [diff] [blame] | 247 | llvm::Constant *BuildThunk(GlobalDecl GD, bool Extern, |
Anders Carlsson | a94822e | 2009-11-26 02:32:05 +0000 | [diff] [blame] | 248 | const ThunkAdjustment &ThisAdjustment); |
| 249 | |
Mike Stump | 6e319f6 | 2009-09-11 23:25:56 +0000 | [diff] [blame] | 250 | /// BuildCoVariantThunk - Build a thunk for the given method |
Anders Carlsson | 7622cd3 | 2009-11-26 03:09:37 +0000 | [diff] [blame] | 251 | llvm::Constant * |
Mike Stump | 919d5e5 | 2009-12-03 03:47:56 +0000 | [diff] [blame] | 252 | BuildCovariantThunk(const GlobalDecl &GD, bool Extern, |
Anders Carlsson | 7622cd3 | 2009-11-26 03:09:37 +0000 | [diff] [blame] | 253 | const CovariantThunkAdjustment &Adjustment); |
Mike Stump | ed032eb | 2009-09-04 18:27:16 +0000 | [diff] [blame] | 254 | |
Anders Carlsson | bb7e17b | 2010-01-31 01:36:53 +0000 | [diff] [blame] | 255 | /// GetNonVirtualBaseClassOffset - Returns the offset from a derived class to |
| 256 | /// its base class. Returns null if the offset is 0. |
| 257 | llvm::Constant * |
| 258 | GetNonVirtualBaseClassOffset(const CXXRecordDecl *ClassDecl, |
| 259 | const CXXRecordDecl *BaseClassDecl); |
Anders Carlsson | 2b35835 | 2009-10-03 14:56:57 +0000 | [diff] [blame] | 260 | |
Anders Carlsson | 9fcfc42 | 2009-12-03 03:06:55 +0000 | [diff] [blame] | 261 | /// ComputeThunkAdjustment - Returns the two parts required to compute the |
| 262 | /// offset for an object. |
| 263 | ThunkAdjustment ComputeThunkAdjustment(const CXXRecordDecl *ClassDecl, |
| 264 | const CXXRecordDecl *BaseClassDecl); |
| 265 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 266 | /// GetStringForStringLiteral - Return the appropriate bytes for a string |
| 267 | /// literal, properly padded to match the literal type. If only the address of |
| 268 | /// a constant is needed consider using GetAddrOfConstantStringLiteral. |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 269 | std::string GetStringForStringLiteral(const StringLiteral *E); |
| 270 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 271 | /// GetAddrOfConstantCFString - Return a pointer to a constant CFString object |
| 272 | /// for the given string. |
Steve Naroff | 8d4141f | 2009-04-01 13:55:36 +0000 | [diff] [blame] | 273 | llvm::Constant *GetAddrOfConstantCFString(const StringLiteral *Literal); |
Chris Lattner | a7ad98f | 2008-02-11 00:02:17 +0000 | [diff] [blame] | 274 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 275 | /// GetAddrOfConstantStringFromLiteral - Return a pointer to a constant array |
| 276 | /// for the given string literal. |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 277 | llvm::Constant *GetAddrOfConstantStringFromLiteral(const StringLiteral *S); |
Daniel Dunbar | 1e04976 | 2008-08-10 20:25:57 +0000 | [diff] [blame] | 278 | |
Chris Lattner | eaf2bb8 | 2009-02-24 22:18:39 +0000 | [diff] [blame] | 279 | /// GetAddrOfConstantStringFromObjCEncode - Return a pointer to a constant |
| 280 | /// array for the given ObjCEncodeExpr node. |
| 281 | llvm::Constant *GetAddrOfConstantStringFromObjCEncode(const ObjCEncodeExpr *); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 282 | |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 283 | /// GetAddrOfConstantString - Returns a pointer to a character array |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 284 | /// containing the literal. This contents are exactly that of the given |
| 285 | /// string, i.e. it will not be null terminated automatically; see |
| 286 | /// GetAddrOfConstantCString. Note that whether the result is actually a |
| 287 | /// pointer to an LLVM constant depends on Feature.WriteableStrings. |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 288 | /// |
| 289 | /// The result has pointer to array type. |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 290 | /// |
| 291 | /// \param GlobalName If provided, the name to use for the global |
| 292 | /// (if one is created). |
| 293 | llvm::Constant *GetAddrOfConstantString(const std::string& str, |
| 294 | const char *GlobalName=0); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 295 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 296 | /// GetAddrOfConstantCString - Returns a pointer to a character array |
| 297 | /// containing the literal and a terminating '\0' character. The result has |
| 298 | /// pointer to array type. |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 299 | /// |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 300 | /// \param GlobalName If provided, the name to use for the global (if one is |
| 301 | /// created). |
Daniel Dunbar | 5fabf9d | 2008-10-17 21:56:50 +0000 | [diff] [blame] | 302 | llvm::Constant *GetAddrOfConstantCString(const std::string &str, |
| 303 | const char *GlobalName=0); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 304 | |
Anders Carlsson | 363c184 | 2009-04-16 23:57:24 +0000 | [diff] [blame] | 305 | /// GetAddrOfCXXConstructor - Return the address of the constructor of the |
| 306 | /// given type. |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 307 | llvm::GlobalValue *GetAddrOfCXXConstructor(const CXXConstructorDecl *D, |
| 308 | CXXCtorType Type); |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 309 | |
| 310 | /// GetAddrOfCXXDestructor - Return the address of the constructor of the |
| 311 | /// given type. |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 312 | llvm::GlobalValue *GetAddrOfCXXDestructor(const CXXDestructorDecl *D, |
| 313 | CXXDtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 314 | |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 315 | /// getBuiltinLibFunction - Given a builtin id for a function like |
| 316 | /// "__builtin_fabsf", return a Function* for "fabsf". |
Daniel Dunbar | 34771b5 | 2009-09-14 04:33:21 +0000 | [diff] [blame] | 317 | llvm::Value *getBuiltinLibFunction(const FunctionDecl *FD, |
| 318 | unsigned BuiltinID); |
Daniel Dunbar | 6143293 | 2008-08-13 23:20:05 +0000 | [diff] [blame] | 319 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 320 | llvm::Function *getMemCpyFn(); |
Eli Friedman | 0c99509 | 2008-05-26 12:59:39 +0000 | [diff] [blame] | 321 | llvm::Function *getMemMoveFn(); |
Lauro Ramos Venancio | 41ef30e | 2008-02-19 22:01:01 +0000 | [diff] [blame] | 322 | llvm::Function *getMemSetFn(); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 323 | llvm::Function *getIntrinsic(unsigned IID, const llvm::Type **Tys = 0, |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 324 | unsigned NumTys = 0); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 325 | |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 326 | /// EmitTopLevelDecl - Emit code for a single top level declaration. |
| 327 | void EmitTopLevelDecl(Decl *D); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 328 | |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 329 | /// AddUsedGlobal - Add a global which should be forced to be |
| 330 | /// present in the object file; these are emitted to the llvm.used |
| 331 | /// metadata global. |
| 332 | void AddUsedGlobal(llvm::GlobalValue *GV); |
| 333 | |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 334 | void AddAnnotation(llvm::Constant *C) { Annotations.push_back(C); } |
| 335 | |
Chris Lattner | 74391b4 | 2009-03-22 21:03:39 +0000 | [diff] [blame] | 336 | /// CreateRuntimeFunction - Create a new runtime function with the specified |
| 337 | /// type and name. |
| 338 | llvm::Constant *CreateRuntimeFunction(const llvm::FunctionType *Ty, |
| 339 | const char *Name); |
| 340 | /// CreateRuntimeVariable - Create a new runtime global variable with the |
| 341 | /// specified type and name. |
| 342 | llvm::Constant *CreateRuntimeVariable(const llvm::Type *Ty, |
| 343 | const char *Name); |
Daniel Dunbar | f1968f2 | 2008-10-01 00:49:24 +0000 | [diff] [blame] | 344 | |
Chris Lattner | 5ad0f67 | 2009-04-01 02:08:13 +0000 | [diff] [blame] | 345 | void UpdateCompletedType(const TagDecl *TD) { |
| 346 | // Make sure that this type is translated. |
| 347 | Types.UpdateCompletedType(TD); |
| 348 | } |
Daniel Dunbar | d60f2fb | 2009-02-17 18:43:32 +0000 | [diff] [blame] | 349 | |
| 350 | /// EmitConstantExpr - Try to emit the given expression as a |
| 351 | /// constant; returns 0 if the expression cannot be emitted as a |
| 352 | /// constant. |
Anders Carlsson | e9352cc | 2009-04-08 04:48:15 +0000 | [diff] [blame] | 353 | llvm::Constant *EmitConstantExpr(const Expr *E, QualType DestType, |
| 354 | CodeGenFunction *CGF = 0); |
Daniel Dunbar | d60f2fb | 2009-02-17 18:43:32 +0000 | [diff] [blame] | 355 | |
Eli Friedman | 0f59312 | 2009-04-13 21:47:26 +0000 | [diff] [blame] | 356 | /// EmitNullConstant - Return the result of value-initializing the given |
| 357 | /// type, i.e. a null expression of the given type. This is usually, |
| 358 | /// but not always, an LLVM null constant. |
| 359 | llvm::Constant *EmitNullConstant(QualType T); |
| 360 | |
Nate Begeman | 8bd4afe | 2008-04-19 04:17:09 +0000 | [diff] [blame] | 361 | llvm::Constant *EmitAnnotateAttr(llvm::GlobalValue *GV, |
| 362 | const AnnotateAttr *AA, unsigned LineNo); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 363 | |
Anders Carlsson | 45147d0 | 2010-02-02 03:37:46 +0000 | [diff] [blame] | 364 | llvm::Constant *EmitPointerToDataMember(const FieldDecl *FD); |
| 365 | |
Daniel Dunbar | 488e993 | 2008-08-16 00:56:44 +0000 | [diff] [blame] | 366 | /// ErrorUnsupported - Print out an error that codegen doesn't support the |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 367 | /// specified stmt yet. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 368 | /// \param OmitOnError - If true, then this error should only be emitted if no |
| 369 | /// other errors have been reported. |
| 370 | void ErrorUnsupported(const Stmt *S, const char *Type, |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 371 | bool OmitOnError=false); |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 372 | |
Daniel Dunbar | 488e993 | 2008-08-16 00:56:44 +0000 | [diff] [blame] | 373 | /// ErrorUnsupported - Print out an error that codegen doesn't support the |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 374 | /// specified decl yet. |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 375 | /// \param OmitOnError - If true, then this error should only be emitted if no |
| 376 | /// other errors have been reported. |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 377 | void ErrorUnsupported(const Decl *D, const char *Type, |
| 378 | bool OmitOnError=false); |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 379 | |
Daniel Dunbar | 0e4f40e | 2009-04-17 00:48:04 +0000 | [diff] [blame] | 380 | /// SetInternalFunctionAttributes - Set the attributes on the LLVM |
| 381 | /// function for the given decl and function info. This applies |
| 382 | /// attributes necessary for handling the ABI as well as user |
| 383 | /// specified attributes like section. |
| 384 | void SetInternalFunctionAttributes(const Decl *D, llvm::Function *F, |
| 385 | const CGFunctionInfo &FI); |
Daniel Dunbar | f80519b | 2008-09-04 23:41:35 +0000 | [diff] [blame] | 386 | |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 387 | /// SetLLVMFunctionAttributes - Set the LLVM function attributes |
| 388 | /// (sext, zext, etc). |
| 389 | void SetLLVMFunctionAttributes(const Decl *D, |
| 390 | const CGFunctionInfo &Info, |
| 391 | llvm::Function *F); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 392 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 393 | /// SetLLVMFunctionAttributesForDefinition - Set the LLVM function attributes |
| 394 | /// which only apply to a function definintion. |
| 395 | void SetLLVMFunctionAttributesForDefinition(const Decl *D, llvm::Function *F); |
| 396 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 397 | /// ReturnTypeUsesSret - Return true iff the given type uses 'sret' when used |
| 398 | /// as a return type. |
Daniel Dunbar | 88b5396 | 2009-02-02 22:03:45 +0000 | [diff] [blame] | 399 | bool ReturnTypeUsesSret(const CGFunctionInfo &FI); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 400 | |
Daniel Dunbar | ca6408c | 2009-09-12 00:59:20 +0000 | [diff] [blame] | 401 | /// ConstructAttributeList - Get the LLVM attributes and calling convention to |
| 402 | /// use for a particular function type. |
| 403 | /// |
| 404 | /// \param Info - The function type information. |
| 405 | /// \param TargetDecl - The decl these attributes are being constructed |
| 406 | /// for. If supplied the attributes applied to this decl may contribute to the |
| 407 | /// function attributes and calling convention. |
| 408 | /// \param PAL [out] - On return, the attribute list to use. |
| 409 | /// \param CallingConv [out] - On return, the LLVM calling convention to use. |
Daniel Dunbar | 88b5396 | 2009-02-02 22:03:45 +0000 | [diff] [blame] | 410 | void ConstructAttributeList(const CGFunctionInfo &Info, |
| 411 | const Decl *TargetDecl, |
Daniel Dunbar | ca6408c | 2009-09-12 00:59:20 +0000 | [diff] [blame] | 412 | AttributeListType &PAL, |
| 413 | unsigned &CallingConv); |
Daniel Dunbar | b768807 | 2008-09-10 00:41:16 +0000 | [diff] [blame] | 414 | |
Anders Carlsson | 2a131fb | 2009-05-05 04:44:02 +0000 | [diff] [blame] | 415 | const char *getMangledName(const GlobalDecl &D); |
| 416 | |
Douglas Gregor | 6ec3668 | 2009-02-18 23:53:56 +0000 | [diff] [blame] | 417 | const char *getMangledName(const NamedDecl *ND); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 418 | const char *getMangledCXXCtorName(const CXXConstructorDecl *D, |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 419 | CXXCtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 420 | const char *getMangledCXXDtorName(const CXXDestructorDecl *D, |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 421 | CXXDtorType Type); |
Douglas Gregor | b6c8c8b | 2009-04-21 17:11:58 +0000 | [diff] [blame] | 422 | |
| 423 | void EmitTentativeDefinition(const VarDecl *D); |
Mike Stump | f121677 | 2009-07-31 18:25:34 +0000 | [diff] [blame] | 424 | |
Chris Lattner | 44b0bc0 | 2009-04-14 06:04:17 +0000 | [diff] [blame] | 425 | enum GVALinkage { |
| 426 | GVA_Internal, |
Chris Lattner | 86daeee | 2009-04-14 16:44:36 +0000 | [diff] [blame] | 427 | GVA_C99Inline, |
| 428 | GVA_CXXInline, |
Douglas Gregor | 1fd2dd1 | 2009-06-29 22:39:32 +0000 | [diff] [blame] | 429 | GVA_StrongExternal, |
| 430 | GVA_TemplateInstantiation |
Chris Lattner | 44b0bc0 | 2009-04-14 06:04:17 +0000 | [diff] [blame] | 431 | }; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 432 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 433 | llvm::GlobalVariable::LinkageTypes |
| 434 | getFunctionLinkage(const FunctionDecl *FD); |
| 435 | |
Douglas Gregor | 4b0f21c | 2010-01-06 20:27:16 +0000 | [diff] [blame] | 436 | /// getVtableLinkage - Return the appropriate linkage for the vtable, VTT, |
| 437 | /// and type information of the given class. |
Douglas Gregor | dffb801 | 2010-01-06 22:00:56 +0000 | [diff] [blame] | 438 | static llvm::GlobalVariable::LinkageTypes |
| 439 | getVtableLinkage(const CXXRecordDecl *RD); |
Ken Dyck | 687cc4a | 2010-01-26 13:48:07 +0000 | [diff] [blame] | 440 | |
| 441 | /// GetTargetTypeStoreSize - Return the store size, in character units, of |
| 442 | /// the given LLVM type. |
| 443 | CharUnits GetTargetTypeStoreSize(const llvm::Type *Ty) const; |
Douglas Gregor | 4b0f21c | 2010-01-06 20:27:16 +0000 | [diff] [blame] | 444 | |
Chris Lattner | 9cd4fe4 | 2007-12-02 07:09:19 +0000 | [diff] [blame] | 445 | private: |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 446 | /// UniqueMangledName - Unique a name by (if necessary) inserting it into the |
| 447 | /// MangledNames string map. |
| 448 | const char *UniqueMangledName(const char *NameStart, const char *NameEnd); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 449 | |
Chris Lattner | 74391b4 | 2009-03-22 21:03:39 +0000 | [diff] [blame] | 450 | llvm::Constant *GetOrCreateLLVMFunction(const char *MangledName, |
| 451 | const llvm::Type *Ty, |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 452 | GlobalDecl D); |
Chris Lattner | 74391b4 | 2009-03-22 21:03:39 +0000 | [diff] [blame] | 453 | llvm::Constant *GetOrCreateLLVMGlobal(const char *MangledName, |
| 454 | const llvm::PointerType *PTy, |
| 455 | const VarDecl *D); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 456 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 457 | /// SetCommonAttributes - Set attributes which are common to any |
| 458 | /// form of a global definition (alias, Objective-C method, |
| 459 | /// function, global variable). |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 460 | /// |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 461 | /// NOTE: This should only be called for definitions. |
| 462 | void SetCommonAttributes(const Decl *D, llvm::GlobalValue *GV); |
Daniel Dunbar | f80519b | 2008-09-04 23:41:35 +0000 | [diff] [blame] | 463 | |
Daniel Dunbar | 7c65e99 | 2009-04-14 08:05:55 +0000 | [diff] [blame] | 464 | /// SetFunctionDefinitionAttributes - Set attributes for a global definition. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 465 | void SetFunctionDefinitionAttributes(const FunctionDecl *D, |
Eli Friedman | c6c14d1 | 2009-05-26 01:22:57 +0000 | [diff] [blame] | 466 | llvm::GlobalValue *GV); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 467 | |
Daniel Dunbar | 7dbd819 | 2009-04-14 07:08:30 +0000 | [diff] [blame] | 468 | /// SetFunctionAttributes - Set function attributes for a function |
| 469 | /// declaration. |
Anders Carlsson | b2bcf1c | 2010-02-06 02:44:09 +0000 | [diff] [blame] | 470 | void SetFunctionAttributes(GlobalDecl GD, |
Eli Friedman | c6c14d1 | 2009-05-26 01:22:57 +0000 | [diff] [blame] | 471 | llvm::Function *F, |
| 472 | bool IsIncompleteFunction); |
Nuno Lopes | d4cbda6 | 2008-06-08 15:45:52 +0000 | [diff] [blame] | 473 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 474 | /// EmitGlobal - Emit code for a singal global function or var decl. Forward |
| 475 | /// declarations are emitted lazily. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 476 | void EmitGlobal(GlobalDecl D); |
Daniel Dunbar | 41071de | 2008-08-15 23:26:23 +0000 | [diff] [blame] | 477 | |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 478 | void EmitGlobalDefinition(GlobalDecl D); |
Daniel Dunbar | d5d3180 | 2009-02-19 07:15:39 +0000 | [diff] [blame] | 479 | |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 480 | void EmitGlobalFunctionDefinition(GlobalDecl GD); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 481 | void EmitGlobalVarDefinition(const VarDecl *D); |
Chris Lattner | bd53271 | 2009-03-22 21:47:11 +0000 | [diff] [blame] | 482 | void EmitAliasDefinition(const ValueDecl *D); |
Daniel Dunbar | af05bb9 | 2008-08-26 08:29:31 +0000 | [diff] [blame] | 483 | void EmitObjCPropertyImplementations(const ObjCImplementationDecl *D); |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 484 | |
| 485 | // C++ related functions. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 486 | |
John McCall | d46f985 | 2010-02-19 01:32:20 +0000 | [diff] [blame] | 487 | bool TryEmitDefinitionAsAlias(GlobalDecl Alias, GlobalDecl Target); |
| 488 | |
Anders Carlsson | 984e068 | 2009-04-01 00:58:25 +0000 | [diff] [blame] | 489 | void EmitNamespace(const NamespaceDecl *D); |
Anders Carlsson | 91e20dd | 2009-04-02 05:55:18 +0000 | [diff] [blame] | 490 | void EmitLinkageSpec(const LinkageSpecDecl *D); |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 491 | |
| 492 | /// EmitCXXConstructors - Emit constructors (base, complete) from a |
| 493 | /// C++ constructor Decl. |
| 494 | void EmitCXXConstructors(const CXXConstructorDecl *D); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 495 | |
Anders Carlsson | 95d4e5d | 2009-04-15 15:55:24 +0000 | [diff] [blame] | 496 | /// EmitCXXConstructor - Emit a single constructor with the given type from |
| 497 | /// a C++ constructor Decl. |
| 498 | void EmitCXXConstructor(const CXXConstructorDecl *D, CXXCtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 499 | |
| 500 | /// EmitCXXDestructors - Emit destructors (base, complete) from a |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 501 | /// C++ destructor Decl. |
| 502 | void EmitCXXDestructors(const CXXDestructorDecl *D); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 503 | |
Anders Carlsson | 27ae536 | 2009-04-17 01:58:57 +0000 | [diff] [blame] | 504 | /// EmitCXXDestructor - Emit a single destructor with the given type from |
| 505 | /// a C++ destructor Decl. |
| 506 | void EmitCXXDestructor(const CXXDestructorDecl *D, CXXDtorType Type); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 507 | |
Anders Carlsson | 89ed31d | 2009-08-08 23:24:23 +0000 | [diff] [blame] | 508 | /// EmitCXXGlobalInitFunc - Emit a function that initializes C++ globals. |
| 509 | void EmitCXXGlobalInitFunc(); |
Eli Friedman | 6c6bda3 | 2010-01-08 00:50:11 +0000 | [diff] [blame] | 510 | |
| 511 | void EmitCXXGlobalVarDeclInitFunc(const VarDecl *D); |
| 512 | |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 513 | // FIXME: Hardcoding priority here is gross. |
Chris Lattner | b4880ba | 2009-05-12 21:21:08 +0000 | [diff] [blame] | 514 | void AddGlobalCtor(llvm::Function *Ctor, int Priority=65535); |
| 515 | void AddGlobalDtor(llvm::Function *Dtor, int Priority=65535); |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 516 | |
Mike Stump | ecc90e9 | 2009-02-13 19:12:34 +0000 | [diff] [blame] | 517 | /// EmitCtorList - Generates a global array of functions and priorities using |
| 518 | /// the given list and name. This array will have appending linkage and is |
| 519 | /// suitable for use as a LLVM constructor or destructor array. |
Daniel Dunbar | 6bfed7e | 2008-08-01 00:01:51 +0000 | [diff] [blame] | 520 | void EmitCtorList(const CtorList &Fns, const char *GlobalName); |
| 521 | |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 522 | void EmitAnnotations(void); |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 523 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 524 | /// EmitDeferred - Emit any needed decls for which code generation |
| 525 | /// was deferred. |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 526 | void EmitDeferred(void); |
| 527 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 528 | /// EmitLLVMUsed - Emit the llvm.used metadata used to force |
| 529 | /// references to global which may otherwise be optimized out. |
Daniel Dunbar | 0269871 | 2009-02-13 20:29:50 +0000 | [diff] [blame] | 530 | void EmitLLVMUsed(void); |
Daniel Dunbar | f1968f2 | 2008-10-01 00:49:24 +0000 | [diff] [blame] | 531 | |
Daniel Dunbar | 4274581 | 2009-03-09 23:53:08 +0000 | [diff] [blame] | 532 | /// MayDeferGeneration - Determine if the given decl can be emitted |
| 533 | /// lazily; this is only relevant for definitions. The given decl |
| 534 | /// must be either a function or var decl. |
Daniel Dunbar | 73241df | 2009-02-13 21:18:01 +0000 | [diff] [blame] | 535 | bool MayDeferGeneration(const ValueDecl *D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 536 | }; |
| 537 | } // end namespace CodeGen |
| 538 | } // end namespace clang |
| 539 | |
| 540 | #endif |