Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 1 | //===-- CodeGenFunction.h - Per-Function 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 | // |
| 10 | // This is the internal per-function state used for llvm translation. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Chris Lattner | ef52a2f | 2008-02-29 17:10:38 +0000 | [diff] [blame] | 14 | #ifndef CLANG_CODEGEN_CODEGENFUNCTION_H |
| 15 | #define CLANG_CODEGEN_CODEGENFUNCTION_H |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 16 | |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 17 | #include "clang/AST/Type.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 18 | #include "llvm/ADT/DenseMap.h" |
Chris Lattner | da13870 | 2007-07-16 21:28:45 +0000 | [diff] [blame] | 19 | #include "llvm/ADT/SmallVector.h" |
Ted Kremenek | 5549976 | 2008-06-17 02:43:46 +0000 | [diff] [blame] | 20 | #include "clang/AST/Expr.h" |
Argyrios Kyrtzidis | e3a09e6 | 2008-09-10 02:36:38 +0000 | [diff] [blame] | 21 | #include "clang/AST/ExprCXX.h" |
Ted Kremenek | 5549976 | 2008-06-17 02:43:46 +0000 | [diff] [blame] | 22 | #include "clang/AST/ExprObjC.h" |
| 23 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 24 | #include <vector> |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 25 | #include <map> |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 26 | |
Daniel Dunbar | 45d196b | 2008-11-01 01:53:16 +0000 | [diff] [blame] | 27 | #include "CGBuilder.h" |
Daniel Dunbar | 0dbe227 | 2008-09-08 21:33:45 +0000 | [diff] [blame] | 28 | #include "CGCall.h" |
Daniel Dunbar | 8f2926b | 2008-08-23 03:46:30 +0000 | [diff] [blame] | 29 | #include "CGValue.h" |
| 30 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 31 | namespace llvm { |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 32 | class BasicBlock; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 33 | class Module; |
Daniel Dunbar | 898d508 | 2008-09-30 01:06:03 +0000 | [diff] [blame] | 34 | class SwitchInst; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | namespace clang { |
| 38 | class ASTContext; |
| 39 | class Decl; |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 40 | class EnumConstantDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 41 | class FunctionDecl; |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 42 | class FunctionTypeProto; |
| 43 | class LabelStmt; |
Daniel Dunbar | 29e0bcc | 2008-09-24 04:00:38 +0000 | [diff] [blame] | 44 | class ObjCInterfaceDecl; |
| 45 | class ObjCIvarDecl; |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 46 | class ObjCMethodDecl; |
Daniel Dunbar | af05bb9 | 2008-08-26 08:29:31 +0000 | [diff] [blame] | 47 | class ObjCPropertyImplDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 48 | class TargetInfo; |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 49 | class VarDecl; |
Devang Patel | b84a06e | 2007-10-23 02:10:49 +0000 | [diff] [blame] | 50 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 51 | namespace CodeGen { |
| 52 | class CodeGenModule; |
Devang Patel | b84a06e | 2007-10-23 02:10:49 +0000 | [diff] [blame] | 53 | class CodeGenTypes; |
Devang Patel | 88a981b | 2007-11-01 19:11:01 +0000 | [diff] [blame] | 54 | class CGRecordLayout; |
Daniel Dunbar | 45d196b | 2008-11-01 01:53:16 +0000 | [diff] [blame] | 55 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 56 | /// CodeGenFunction - This class organizes the per-function state that is used |
| 57 | /// while generating LLVM code. |
| 58 | class CodeGenFunction { |
Chris Lattner | bfc0c1a | 2007-08-26 23:13:56 +0000 | [diff] [blame] | 59 | public: |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 60 | CodeGenModule &CGM; // Per-module state. |
| 61 | TargetInfo &Target; |
Chris Lattner | bfc0c1a | 2007-08-26 23:13:56 +0000 | [diff] [blame] | 62 | |
Chris Lattner | 58dee10 | 2007-08-21 16:57:55 +0000 | [diff] [blame] | 63 | typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; |
Daniel Dunbar | 45d196b | 2008-11-01 01:53:16 +0000 | [diff] [blame] | 64 | CGBuilderTy Builder; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 65 | |
Chris Lattner | c8aa5f1 | 2008-04-04 04:07:35 +0000 | [diff] [blame] | 66 | // Holds the Decl for the current function or method |
Chris Lattner | 4111024 | 2008-06-17 18:05:57 +0000 | [diff] [blame] | 67 | const Decl *CurFuncDecl; |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 68 | QualType FnRetTy; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 69 | llvm::Function *CurFn; |
| 70 | |
Daniel Dunbar | 5ca2084 | 2008-09-09 21:00:17 +0000 | [diff] [blame] | 71 | /// ReturnBlock - Unified return block. |
| 72 | llvm::BasicBlock *ReturnBlock; |
| 73 | /// ReturnValue - The temporary alloca to hold the return value. This |
| 74 | /// is null iff the function has no return value. |
| 75 | llvm::Instruction *ReturnValue; |
| 76 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 77 | /// AllocaInsertPoint - This is an instruction in the entry block before which |
| 78 | /// we prefer to insert allocas. |
| 79 | llvm::Instruction *AllocaInsertPt; |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 80 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 81 | const llvm::Type *LLVMIntTy; |
Hartmut Kaiser | 7b66000 | 2007-10-17 15:00:17 +0000 | [diff] [blame] | 82 | uint32_t LLVMPointerWidth; |
Daniel Dunbar | 18ccc77 | 2008-09-28 01:03:14 +0000 | [diff] [blame] | 83 | |
| 84 | public: |
| 85 | // FIXME: The following should be private once EH code is moved out |
| 86 | // of NeXT runtime. |
| 87 | |
| 88 | // ObjCEHStack - This keeps track of which object to rethrow from |
| 89 | // inside @catch blocks and which @finally block exits from an EH |
| 90 | // scope should be chained through. |
| 91 | struct ObjCEHEntry { |
Daniel Dunbar | 898d508 | 2008-09-30 01:06:03 +0000 | [diff] [blame] | 92 | ObjCEHEntry(llvm::BasicBlock *fb, llvm::BasicBlock *fne, |
| 93 | llvm::SwitchInst *fs, llvm::Value *dc) |
| 94 | : FinallyBlock(fb), FinallyNoExit(fne), FinallySwitch(fs), |
| 95 | DestCode(dc), Exception(0) {} |
Daniel Dunbar | 18ccc77 | 2008-09-28 01:03:14 +0000 | [diff] [blame] | 96 | |
Daniel Dunbar | 898d508 | 2008-09-30 01:06:03 +0000 | [diff] [blame] | 97 | /// Entry point to the finally block. |
| 98 | llvm::BasicBlock *FinallyBlock; |
| 99 | |
| 100 | /// Entry point to the finally block which skips execution of the |
| 101 | /// try_exit runtime function. |
| 102 | llvm::BasicBlock *FinallyNoExit; |
| 103 | |
| 104 | /// Switch instruction which runs at the end of the finally block |
| 105 | /// to forward jumps through the finally block. |
| 106 | llvm::SwitchInst *FinallySwitch; |
| 107 | |
| 108 | /// Variable holding the code for the destination of a jump |
| 109 | /// through the @finally block. |
| 110 | llvm::Value *DestCode; |
| 111 | |
| 112 | /// The exception object being handled, during IR generation for a |
| 113 | /// @catch block. |
| 114 | llvm::Value *Exception; |
Daniel Dunbar | 18ccc77 | 2008-09-28 01:03:14 +0000 | [diff] [blame] | 115 | }; |
Daniel Dunbar | 898d508 | 2008-09-30 01:06:03 +0000 | [diff] [blame] | 116 | |
| 117 | typedef llvm::SmallVector<ObjCEHEntry*, 8> ObjCEHStackType; |
| 118 | ObjCEHStackType ObjCEHStack; |
| 119 | |
| 120 | /// EmitJumpThroughFinally - Emit a branch from the current insert |
| 121 | /// point through the finally handling code for \arg Entry and then |
| 122 | /// on to \arg Dest. |
| 123 | /// |
| 124 | /// \param ExecuteTryExit - When true, the try_exit runtime function |
| 125 | /// should be called prior to executing the finally code. |
| 126 | void EmitJumpThroughFinally(ObjCEHEntry *Entry, llvm::BasicBlock *Dest, |
| 127 | bool ExecuteTryExit=true); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 128 | |
Chris Lattner | 7f02f72 | 2007-08-24 05:35:26 +0000 | [diff] [blame] | 129 | private: |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 130 | /// LabelIDs - Track arbitrary ids assigned to labels for use in |
| 131 | /// implementing the GCC address-of-label extension and indirect |
| 132 | /// goto. IDs are assigned to labels inside getIDForAddrOfLabel(). |
| 133 | std::map<const LabelStmt*, unsigned> LabelIDs; |
| 134 | |
| 135 | /// IndirectSwitches - Record the list of switches for indirect |
| 136 | /// gotos. Emission of the actual switching code needs to be delayed |
| 137 | /// until all AddrLabelExprs have been seen. |
| 138 | std::vector<llvm::SwitchInst*> IndirectSwitches; |
| 139 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 140 | /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C |
| 141 | /// decls. |
| 142 | llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; |
| 143 | |
| 144 | /// LabelMap - This keeps track of the LLVM basic block for each C label. |
| 145 | llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; |
Chris Lattner | da13870 | 2007-07-16 21:28:45 +0000 | [diff] [blame] | 146 | |
| 147 | // BreakContinueStack - This keeps track of where break and continue |
| 148 | // statements should jump to. |
| 149 | struct BreakContinue { |
| 150 | BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) |
| 151 | : BreakBlock(bb), ContinueBlock(cb) {} |
| 152 | |
| 153 | llvm::BasicBlock *BreakBlock; |
| 154 | llvm::BasicBlock *ContinueBlock; |
| 155 | }; |
| 156 | llvm::SmallVector<BreakContinue, 8> BreakContinueStack; |
Daniel Dunbar | 18ccc77 | 2008-09-28 01:03:14 +0000 | [diff] [blame] | 157 | |
Devang Patel | 80fd5f9 | 2007-10-09 17:08:50 +0000 | [diff] [blame] | 158 | /// SwitchInsn - This is nearest current switch instruction. It is null if |
| 159 | /// if current context is not in a switch. |
Devang Patel | 51b09f2 | 2007-10-04 23:45:31 +0000 | [diff] [blame] | 160 | llvm::SwitchInst *SwitchInsn; |
| 161 | |
Devang Patel | 80fd5f9 | 2007-10-09 17:08:50 +0000 | [diff] [blame] | 162 | /// CaseRangeBlock - This block holds if condition check for last case |
| 163 | /// statement range in current switch instruction. |
Devang Patel | c049e4f | 2007-10-08 20:57:48 +0000 | [diff] [blame] | 164 | llvm::BasicBlock *CaseRangeBlock; |
| 165 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 166 | public: |
| 167 | CodeGenFunction(CodeGenModule &cgm); |
| 168 | |
| 169 | ASTContext &getContext() const; |
| 170 | |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 171 | void GenerateObjCMethod(const ObjCMethodDecl *OMD); |
Daniel Dunbar | af05bb9 | 2008-08-26 08:29:31 +0000 | [diff] [blame] | 172 | |
| 173 | void StartObjCMethod(const ObjCMethodDecl *MD); |
| 174 | |
| 175 | /// GenerateObjCGetter - Synthesize an Objective-C property getter |
| 176 | /// function. |
| 177 | void GenerateObjCGetter(const ObjCPropertyImplDecl *PID); |
| 178 | |
| 179 | /// GenerateObjCSetter - Synthesize an Objective-C property setter |
| 180 | /// function for the given property. |
| 181 | void GenerateObjCSetter(const ObjCPropertyImplDecl *PID); |
| 182 | |
Daniel Dunbar | bd012ff | 2008-07-29 23:18:29 +0000 | [diff] [blame] | 183 | void GenerateCode(const FunctionDecl *FD, |
| 184 | llvm::Function *Fn); |
Daniel Dunbar | 7c08651 | 2008-09-09 23:14:03 +0000 | [diff] [blame] | 185 | void StartFunction(const Decl *D, QualType RetTy, |
| 186 | llvm::Function *Fn, |
Daniel Dunbar | 2284ac9 | 2008-10-18 18:22:23 +0000 | [diff] [blame] | 187 | const FunctionArgList &Args, |
| 188 | SourceLocation StartLoc); |
Daniel Dunbar | af05bb9 | 2008-08-26 08:29:31 +0000 | [diff] [blame] | 189 | void FinishFunction(SourceLocation EndLoc=SourceLocation()); |
Daniel Dunbar | 17b708d | 2008-09-09 23:27:19 +0000 | [diff] [blame] | 190 | |
| 191 | /// EmitFunctionProlog - Emit the target specific LLVM code to load |
| 192 | /// the arguments for the given function. This is also responsible |
| 193 | /// for naming the LLVM function arguments. |
| 194 | void EmitFunctionProlog(llvm::Function *Fn, QualType RetTy, |
| 195 | const FunctionArgList &Args); |
| 196 | |
| 197 | /// EmitFunctionEpilog - Emit the target specific LLVM code to |
| 198 | /// return the given temporary. |
| 199 | void EmitFunctionEpilog(QualType RetTy, |
| 200 | llvm::Value *ReturnValue); |
| 201 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 202 | const llvm::Type *ConvertType(QualType T); |
Chris Lattner | c8aa5f1 | 2008-04-04 04:07:35 +0000 | [diff] [blame] | 203 | |
Daniel Dunbar | b7ec246 | 2008-08-16 03:19:19 +0000 | [diff] [blame] | 204 | /// LoadObjCSelf - Load the value of self. This function is only |
| 205 | /// valid while generating code for an Objective-C method. |
Chris Lattner | c8aa5f1 | 2008-04-04 04:07:35 +0000 | [diff] [blame] | 206 | llvm::Value *LoadObjCSelf(); |
Chris Lattner | 4111024 | 2008-06-17 18:05:57 +0000 | [diff] [blame] | 207 | |
| 208 | /// isObjCPointerType - Return true if the specificed AST type will map onto |
| 209 | /// some Objective-C pointer type. |
| 210 | static bool isObjCPointerType(QualType T); |
| 211 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 212 | /// hasAggregateLLVMType - Return true if the specified AST type will map into |
| 213 | /// an aggregate LLVM type or is void. |
| 214 | static bool hasAggregateLLVMType(QualType T); |
Daniel Dunbar | 55e8742 | 2008-11-11 02:29:29 +0000 | [diff] [blame] | 215 | |
| 216 | /// createBasicBlock - Create an LLVM basic block. |
| 217 | llvm::BasicBlock *createBasicBlock(const char *Name="", |
| 218 | llvm::Function *Parent=0, |
| 219 | llvm::BasicBlock *InsertBefore=0) { |
| 220 | return llvm::BasicBlock::Create(Name, Parent, InsertBefore); |
| 221 | } |
| 222 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 223 | /// getBasicBlockForLabel - Return the LLVM basicblock that the specified |
| 224 | /// label maps to. |
| 225 | llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); |
| 226 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 227 | void EmitBlock(llvm::BasicBlock *BB); |
Daniel Dunbar | 824e3bd | 2008-11-11 04:34:23 +0000 | [diff] [blame^] | 228 | |
| 229 | /// EmitDummyBlock - Emit a new block which will never be branched |
| 230 | /// to. This is used to satisfy the invariant that codegen always |
| 231 | /// has an active unterminated block to dump code into. |
| 232 | void EmitDummyBlock(); |
Chris Lattner | dc5e826 | 2007-12-02 01:43:38 +0000 | [diff] [blame] | 233 | |
Daniel Dunbar | 488e993 | 2008-08-16 00:56:44 +0000 | [diff] [blame] | 234 | /// ErrorUnsupported - Print out an error that codegen doesn't support the |
Chris Lattner | dc5e826 | 2007-12-02 01:43:38 +0000 | [diff] [blame] | 235 | /// specified stmt yet. |
Daniel Dunbar | 90df4b6 | 2008-09-04 03:43:08 +0000 | [diff] [blame] | 236 | void ErrorUnsupported(const Stmt *S, const char *Type, |
| 237 | bool OmitOnError=false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 238 | |
| 239 | //===--------------------------------------------------------------------===// |
| 240 | // Helpers |
| 241 | //===--------------------------------------------------------------------===// |
| 242 | |
| 243 | /// CreateTempAlloca - This creates a alloca and inserts it into the entry |
| 244 | /// block. |
| 245 | llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, |
| 246 | const char *Name = "tmp"); |
| 247 | |
| 248 | /// EvaluateExprAsBool - Perform the usual unary conversions on the specified |
| 249 | /// expression and compare the result against zero, returning an Int1Ty value. |
| 250 | llvm::Value *EvaluateExprAsBool(const Expr *E); |
| 251 | |
Chris Lattner | 9b65551 | 2007-08-31 22:49:20 +0000 | [diff] [blame] | 252 | /// EmitAnyExpr - Emit code to compute the specified expression which can have |
| 253 | /// any type. The result is returned as an RValue struct. If this is an |
| 254 | /// aggregate expression, the aggloc/agglocvolatile arguments indicate where |
| 255 | /// the result should be returned. |
| 256 | RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, |
| 257 | bool isAggLocVolatile = false); |
Devang Patel | d9363c3 | 2007-09-28 21:49:18 +0000 | [diff] [blame] | 258 | |
Daniel Dunbar | 46f45b9 | 2008-09-09 01:06:48 +0000 | [diff] [blame] | 259 | /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result |
| 260 | /// will always be accessible even if no aggregate location is |
| 261 | /// provided. |
| 262 | RValue EmitAnyExprToTemp(const Expr *E, llvm::Value *AggLoc = 0, |
| 263 | bool isAggLocVolatile = false); |
| 264 | |
Daniel Dunbar | 7482d12 | 2008-09-09 20:49:46 +0000 | [diff] [blame] | 265 | void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, |
| 266 | QualType EltTy); |
| 267 | |
| 268 | void EmitAggregateClear(llvm::Value *DestPtr, QualType Ty); |
| 269 | |
Devang Patel | d9363c3 | 2007-09-28 21:49:18 +0000 | [diff] [blame] | 270 | /// isDummyBlock - Return true if BB is an empty basic block |
| 271 | /// with no predecessors. |
| 272 | static bool isDummyBlock(const llvm::BasicBlock *BB); |
| 273 | |
Devang Patel | 51b09f2 | 2007-10-04 23:45:31 +0000 | [diff] [blame] | 274 | /// StartBlock - Start new block named N. If insert block is a dummy block |
| 275 | /// then reuse it. |
| 276 | void StartBlock(const char *N); |
| 277 | |
Devang Patel | 88a981b | 2007-11-01 19:11:01 +0000 | [diff] [blame] | 278 | /// getCGRecordLayout - Return record layout info. |
| 279 | const CGRecordLayout *getCGRecordLayout(CodeGenTypes &CGT, QualType RTy); |
Lauro Ramos Venancio | 8137335 | 2008-02-26 21:41:45 +0000 | [diff] [blame] | 280 | |
| 281 | /// GetAddrOfStaticLocalVar - Return the address of a static local variable. |
Steve Naroff | 248a753 | 2008-04-15 22:42:06 +0000 | [diff] [blame] | 282 | llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 283 | |
Anders Carlsson | dde0a94 | 2008-09-11 09:15:33 +0000 | [diff] [blame] | 284 | /// GetAddrOfLocalVar - Return the address of a local variable. |
| 285 | llvm::Value *GetAddrOfLocalVar(const VarDecl *VD); |
| 286 | |
Dan Gohman | 4f8d123 | 2008-05-22 00:50:06 +0000 | [diff] [blame] | 287 | /// getAccessedFieldNo - Given an encoded value and a result number, return |
| 288 | /// the input field number being accessed. |
| 289 | static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); |
| 290 | |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 291 | unsigned GetIDForAddrOfLabel(const LabelStmt *L); |
| 292 | |
Anders Carlsson | 3d8400d | 2008-08-30 19:51:14 +0000 | [diff] [blame] | 293 | /// EmitMemSetToZero - Generate code to memset a value of the given type to 0; |
| 294 | void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty); |
Anders Carlsson | ddf7cac | 2008-11-04 05:30:00 +0000 | [diff] [blame] | 295 | |
| 296 | // EmitVAArg - Generate code to get an argument from the passed in pointer |
| 297 | // and update it accordingly. The return value is a pointer to the argument. |
| 298 | // FIXME: We should be able to get rid of this method and use the va_arg |
| 299 | // instruction in LLVM instead once it works well enough. |
| 300 | llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty); |
Anders Carlsson | 3d8400d | 2008-08-30 19:51:14 +0000 | [diff] [blame] | 301 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 302 | //===--------------------------------------------------------------------===// |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 303 | // Declaration Emission |
| 304 | //===--------------------------------------------------------------------===// |
| 305 | |
| 306 | void EmitDecl(const Decl &D); |
Steve Naroff | 248a753 | 2008-04-15 22:42:06 +0000 | [diff] [blame] | 307 | void EmitBlockVarDecl(const VarDecl &D); |
| 308 | void EmitLocalBlockVarDecl(const VarDecl &D); |
| 309 | void EmitStaticBlockVarDecl(const VarDecl &D); |
Daniel Dunbar | b7ec246 | 2008-08-16 03:19:19 +0000 | [diff] [blame] | 310 | |
| 311 | /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. |
| 312 | void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 313 | |
| 314 | //===--------------------------------------------------------------------===// |
| 315 | // Statement Emission |
| 316 | //===--------------------------------------------------------------------===// |
| 317 | |
| 318 | void EmitStmt(const Stmt *S); |
Chris Lattner | 9b65551 | 2007-08-31 22:49:20 +0000 | [diff] [blame] | 319 | RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, |
| 320 | llvm::Value *AggLoc = 0, bool isAggVol = false); |
Chris Lattner | 91d723d | 2008-07-26 20:23:23 +0000 | [diff] [blame] | 321 | void EmitLabel(const LabelStmt &S); // helper for EmitLabelStmt. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 322 | void EmitLabelStmt(const LabelStmt &S); |
| 323 | void EmitGotoStmt(const GotoStmt &S); |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 324 | void EmitIndirectGotoStmt(const IndirectGotoStmt &S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 325 | void EmitIfStmt(const IfStmt &S); |
| 326 | void EmitWhileStmt(const WhileStmt &S); |
| 327 | void EmitDoStmt(const DoStmt &S); |
| 328 | void EmitForStmt(const ForStmt &S); |
| 329 | void EmitReturnStmt(const ReturnStmt &S); |
| 330 | void EmitDeclStmt(const DeclStmt &S); |
Chris Lattner | da13870 | 2007-07-16 21:28:45 +0000 | [diff] [blame] | 331 | void EmitBreakStmt(); |
| 332 | void EmitContinueStmt(); |
Devang Patel | 51b09f2 | 2007-10-04 23:45:31 +0000 | [diff] [blame] | 333 | void EmitSwitchStmt(const SwitchStmt &S); |
| 334 | void EmitDefaultStmt(const DefaultStmt &S); |
| 335 | void EmitCaseStmt(const CaseStmt &S); |
Devang Patel | c049e4f | 2007-10-08 20:57:48 +0000 | [diff] [blame] | 336 | void EmitCaseStmtRange(const CaseStmt &S); |
Anders Carlsson | fb1aeb8 | 2008-02-05 16:35:33 +0000 | [diff] [blame] | 337 | void EmitAsmStmt(const AsmStmt &S); |
| 338 | |
Anders Carlsson | 3d8400d | 2008-08-30 19:51:14 +0000 | [diff] [blame] | 339 | void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); |
Anders Carlsson | 64d5d6c | 2008-09-09 10:04:29 +0000 | [diff] [blame] | 340 | void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); |
| 341 | void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); |
Anders Carlsson | 3d8400d | 2008-08-30 19:51:14 +0000 | [diff] [blame] | 342 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 343 | //===--------------------------------------------------------------------===// |
| 344 | // LValue Expression Emission |
| 345 | //===--------------------------------------------------------------------===// |
| 346 | |
Daniel Dunbar | 6ba82a4 | 2008-08-25 20:45:57 +0000 | [diff] [blame] | 347 | /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E |
| 348 | /// and issue an ErrorUnsupported style diagnostic (using the |
| 349 | /// provided Name). |
| 350 | LValue EmitUnsupportedLValue(const Expr *E, |
| 351 | const char *Name); |
| 352 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 353 | /// EmitLValue - Emit code to compute a designator that specifies the location |
| 354 | /// of the expression. |
| 355 | /// |
| 356 | /// This can return one of two things: a simple address or a bitfield |
| 357 | /// reference. In either case, the LLVM Value* in the LValue structure is |
| 358 | /// guaranteed to be an LLVM pointer type. |
| 359 | /// |
| 360 | /// If this returns a bitfield reference, nothing about the pointee type of |
| 361 | /// the LLVM value is known: For example, it may not be a pointer to an |
| 362 | /// integer. |
| 363 | /// |
| 364 | /// If this returns a normal address, and if the lvalue's C type is fixed |
| 365 | /// size, this method guarantees that the returned pointer type will point to |
| 366 | /// an LLVM type of the same size of the lvalue's type. If the lvalue has a |
| 367 | /// variable length type, this is not possible. |
| 368 | /// |
| 369 | LValue EmitLValue(const Expr *E); |
| 370 | |
| 371 | /// EmitLoadOfLValue - Given an expression that represents a value lvalue, |
| 372 | /// this method emits the address of the lvalue, then loads the result as an |
| 373 | /// rvalue, returning the rvalue. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 374 | RValue EmitLoadOfLValue(LValue V, QualType LVType); |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 375 | RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); |
Lauro Ramos Venancio | 3b8c22d | 2008-01-22 20:17:04 +0000 | [diff] [blame] | 376 | RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); |
Daniel Dunbar | 85c59ed | 2008-08-29 08:11:39 +0000 | [diff] [blame] | 377 | RValue EmitLoadOfPropertyRefLValue(LValue LV, QualType ExprType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 378 | |
Chris Lattner | 34cdc86 | 2007-08-03 16:18:34 +0000 | [diff] [blame] | 379 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 380 | /// EmitStoreThroughLValue - Store the specified rvalue into the specified |
| 381 | /// lvalue, where both are guaranteed to the have the same type, and that type |
| 382 | /// is 'Ty'. |
| 383 | void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 384 | void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, |
| 385 | QualType Ty); |
Lauro Ramos Venancio | a0c5d0e | 2008-01-22 22:36:45 +0000 | [diff] [blame] | 386 | void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty); |
Daniel Dunbar | 85c59ed | 2008-08-29 08:11:39 +0000 | [diff] [blame] | 387 | void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty); |
Christopher Lamb | 22c940e | 2007-12-29 05:02:41 +0000 | [diff] [blame] | 388 | |
| 389 | // Note: only availabe for agg return types |
Daniel Dunbar | 80e62c2 | 2008-09-04 03:20:13 +0000 | [diff] [blame] | 390 | LValue EmitBinaryOperatorLValue(const BinaryOperator *E); |
| 391 | // Note: only availabe for agg return types |
Christopher Lamb | 22c940e | 2007-12-29 05:02:41 +0000 | [diff] [blame] | 392 | LValue EmitCallExprLValue(const CallExpr *E); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 393 | |
| 394 | LValue EmitDeclRefLValue(const DeclRefExpr *E); |
| 395 | LValue EmitStringLiteralLValue(const StringLiteral *E); |
Daniel Dunbar | 662b71e | 2008-10-17 21:58:32 +0000 | [diff] [blame] | 396 | LValue EmitPredefinedFunctionName(unsigned Type); |
Chris Lattner | d9f6910 | 2008-08-10 01:53:14 +0000 | [diff] [blame] | 397 | LValue EmitPredefinedLValue(const PredefinedExpr *E); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 398 | LValue EmitUnaryOpLValue(const UnaryOperator *E); |
| 399 | LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 400 | LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); |
Devang Patel | b84a06e | 2007-10-23 02:10:49 +0000 | [diff] [blame] | 401 | LValue EmitMemberExpr(const MemberExpr *E); |
Eli Friedman | 06e863f | 2008-05-13 23:18:27 +0000 | [diff] [blame] | 402 | LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); |
Eli Friedman | 472778e | 2008-02-09 08:50:58 +0000 | [diff] [blame] | 403 | |
Daniel Dunbar | 29e0bcc | 2008-09-24 04:00:38 +0000 | [diff] [blame] | 404 | llvm::Value *EmitIvarOffset(ObjCInterfaceDecl *Interface, |
| 405 | const ObjCIvarDecl *Ivar); |
Eli Friedman | 472778e | 2008-02-09 08:50:58 +0000 | [diff] [blame] | 406 | LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, |
Eli Friedman | 1e692ac | 2008-06-13 23:01:12 +0000 | [diff] [blame] | 407 | bool isUnion, unsigned CVRQualifiers); |
Daniel Dunbar | 29e0bcc | 2008-09-24 04:00:38 +0000 | [diff] [blame] | 408 | LValue EmitLValueForIvar(llvm::Value* Base, const ObjCIvarDecl *Ivar, |
| 409 | unsigned CVRQualifiers); |
| 410 | |
Argyrios Kyrtzidis | e3a09e6 | 2008-09-10 02:36:38 +0000 | [diff] [blame] | 411 | LValue EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E); |
| 412 | |
Daniel Dunbar | 0a04d77 | 2008-08-23 10:51:21 +0000 | [diff] [blame] | 413 | LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); |
Chris Lattner | 391d77a | 2008-03-30 23:03:07 +0000 | [diff] [blame] | 414 | LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); |
Daniel Dunbar | 85c59ed | 2008-08-29 08:11:39 +0000 | [diff] [blame] | 415 | LValue EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E); |
Douglas Gregor | cd9b46e | 2008-11-04 14:56:14 +0000 | [diff] [blame] | 416 | LValue EmitObjCSuperExpr(const ObjCSuperExpr *E); |
Daniel Dunbar | 0a04d77 | 2008-08-23 10:51:21 +0000 | [diff] [blame] | 417 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 418 | //===--------------------------------------------------------------------===// |
Chris Lattner | 883f6a7 | 2007-08-11 00:04:45 +0000 | [diff] [blame] | 419 | // Scalar Expression Emission |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 420 | //===--------------------------------------------------------------------===// |
| 421 | |
Daniel Dunbar | 7f8ea5c | 2008-08-30 05:35:15 +0000 | [diff] [blame] | 422 | /// EmitCall - Generate a call of the given function, expecting the |
| 423 | /// given result type, and using the given argument list which |
| 424 | /// specifies both the LLVM arguments and the types they were |
| 425 | /// derived from. |
Daniel Dunbar | 19cd87e | 2008-08-30 03:02:31 +0000 | [diff] [blame] | 426 | RValue EmitCall(llvm::Value *Callee, |
| 427 | QualType ResultType, |
| 428 | const CallArgList &Args); |
| 429 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 430 | RValue EmitCallExpr(const CallExpr *E); |
Ted Kremenek | 5549976 | 2008-06-17 02:43:46 +0000 | [diff] [blame] | 431 | |
| 432 | RValue EmitCallExpr(Expr *FnExpr, CallExpr::const_arg_iterator ArgBeg, |
| 433 | CallExpr::const_arg_iterator ArgEnd); |
| 434 | |
Eli Friedman | 5193b8a | 2008-01-30 01:32:06 +0000 | [diff] [blame] | 435 | RValue EmitCallExpr(llvm::Value *Callee, QualType FnType, |
Ted Kremenek | 5549976 | 2008-06-17 02:43:46 +0000 | [diff] [blame] | 436 | CallExpr::const_arg_iterator ArgBeg, |
| 437 | CallExpr::const_arg_iterator ArgEnd); |
| 438 | |
Chris Lattner | 1e4d21e | 2007-08-26 22:58:05 +0000 | [diff] [blame] | 439 | RValue EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 440 | |
Daniel Dunbar | f02e9dd | 2008-10-10 00:24:54 +0000 | [diff] [blame] | 441 | /// EmitTargetBuiltinExpr - Emit the given builtin call. Returns 0 |
| 442 | /// if the call is unhandled by the current target. |
| 443 | llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E); |
| 444 | |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 445 | llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); |
| 446 | llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); |
| 447 | |
Anders Carlsson | cc23aca | 2007-12-10 19:35:18 +0000 | [diff] [blame] | 448 | llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); |
Nate Begeman | 4119d1a | 2007-12-30 02:59:45 +0000 | [diff] [blame] | 449 | llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, |
| 450 | bool isSplat = false); |
Anders Carlsson | 6086bbd | 2007-12-15 21:23:30 +0000 | [diff] [blame] | 451 | |
Daniel Dunbar | ed7c618 | 2008-08-20 00:28:19 +0000 | [diff] [blame] | 452 | llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); |
Chris Lattner | 7f02f72 | 2007-08-24 05:35:26 +0000 | [diff] [blame] | 453 | llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); |
Chris Lattner | 8fdf328 | 2008-06-24 17:04:18 +0000 | [diff] [blame] | 454 | llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); |
Daniel Dunbar | 8f2926b | 2008-08-23 03:46:30 +0000 | [diff] [blame] | 455 | RValue EmitObjCMessageExpr(const ObjCMessageExpr *E); |
Daniel Dunbar | 9c3fc70 | 2008-08-27 06:57:25 +0000 | [diff] [blame] | 456 | RValue EmitObjCPropertyGet(const ObjCPropertyRefExpr *E); |
Daniel Dunbar | 85c59ed | 2008-08-29 08:11:39 +0000 | [diff] [blame] | 457 | void EmitObjCPropertySet(const ObjCPropertyRefExpr *E, RValue Src); |
Chris Lattner | 8fdf328 | 2008-06-24 17:04:18 +0000 | [diff] [blame] | 458 | |
| 459 | |
Chris Lattner | 883f6a7 | 2007-08-11 00:04:45 +0000 | [diff] [blame] | 460 | //===--------------------------------------------------------------------===// |
Chris Lattner | bfc0c1a | 2007-08-26 23:13:56 +0000 | [diff] [blame] | 461 | // Expression Emission |
Chris Lattner | 883f6a7 | 2007-08-11 00:04:45 +0000 | [diff] [blame] | 462 | //===--------------------------------------------------------------------===// |
Chris Lattner | bfc0c1a | 2007-08-26 23:13:56 +0000 | [diff] [blame] | 463 | |
| 464 | // Expressions are broken into three classes: scalar, complex, aggregate. |
Chris Lattner | 883f6a7 | 2007-08-11 00:04:45 +0000 | [diff] [blame] | 465 | |
Chris Lattner | 7f02f72 | 2007-08-24 05:35:26 +0000 | [diff] [blame] | 466 | /// EmitScalarExpr - Emit the computation of the specified expression of |
| 467 | /// LLVM scalar type, returning the result. |
| 468 | llvm::Value *EmitScalarExpr(const Expr *E); |
| 469 | |
Chris Lattner | 3707b25 | 2007-08-26 06:48:56 +0000 | [diff] [blame] | 470 | /// EmitScalarConversion - Emit a conversion from the specified type to the |
| 471 | /// specified destination type, both of which are LLVM scalar types. |
| 472 | llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, |
| 473 | QualType DstTy); |
| 474 | |
Chris Lattner | 4f1a7b3 | 2007-08-26 16:34:22 +0000 | [diff] [blame] | 475 | /// EmitComplexToScalarConversion - Emit a conversion from the specified |
| 476 | /// complex type to the specified destination type, where the destination |
| 477 | /// type is an LLVM scalar type. |
| 478 | llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, |
| 479 | QualType DstTy); |
| 480 | |
Chris Lattner | 3707b25 | 2007-08-26 06:48:56 +0000 | [diff] [blame] | 481 | |
Chris Lattner | 883f6a7 | 2007-08-11 00:04:45 +0000 | [diff] [blame] | 482 | /// EmitAggExpr - Emit the computation of the specified expression of |
| 483 | /// aggregate type. The result is computed into DestPtr. Note that if |
| 484 | /// DestPtr is null, the value of the aggregate expression is not needed. |
| 485 | void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest); |
Chris Lattner | b6ef18a | 2007-08-21 05:54:00 +0000 | [diff] [blame] | 486 | |
| 487 | /// EmitComplexExpr - Emit the computation of the specified expression of |
Chris Lattner | 23b1cdb | 2007-08-23 23:43:33 +0000 | [diff] [blame] | 488 | /// complex type, returning the result. |
Chris Lattner | 58dee10 | 2007-08-21 16:57:55 +0000 | [diff] [blame] | 489 | ComplexPairTy EmitComplexExpr(const Expr *E); |
Chris Lattner | 23b1cdb | 2007-08-23 23:43:33 +0000 | [diff] [blame] | 490 | |
| 491 | /// EmitComplexExprIntoAddr - Emit the computation of the specified expression |
| 492 | /// of complex type, storing into the specified Value*. |
Chris Lattner | 190dbe2 | 2007-08-26 16:22:13 +0000 | [diff] [blame] | 493 | void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, |
| 494 | bool DestIsVolatile); |
Daniel Dunbar | 7f8ea5c | 2008-08-30 05:35:15 +0000 | [diff] [blame] | 495 | |
| 496 | /// StoreComplexToAddr - Store a complex number into the specified address. |
| 497 | void StoreComplexToAddr(ComplexPairTy V, llvm::Value *DestAddr, |
| 498 | bool DestIsVolatile); |
Chris Lattner | 9b65551 | 2007-08-31 22:49:20 +0000 | [diff] [blame] | 499 | /// LoadComplexFromAddr - Load a complex number from the specified address. |
| 500 | ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); |
Chris Lattner | 2621fd1 | 2008-05-08 05:58:21 +0000 | [diff] [blame] | 501 | |
| 502 | /// GenerateStaticBlockVarDecl - return the the static |
| 503 | /// declaration of local variable. |
| 504 | llvm::GlobalValue *GenerateStaticBlockVarDecl(const VarDecl &D, |
| 505 | bool NoInit, |
| 506 | const char *Separator); |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 507 | |
Anders Carlsson | e1b29ef | 2008-08-22 16:00:37 +0000 | [diff] [blame] | 508 | // GenerateStaticBlockVarDecl - return the static declaration of |
| 509 | // a local variable. Performs initialization of the variable if necessary. |
| 510 | llvm::GlobalValue *GenerateStaticCXXBlockVarDecl(const VarDecl &D); |
| 511 | |
Daniel Dunbar | 0ffb125 | 2008-08-04 16:51:22 +0000 | [diff] [blame] | 512 | //===--------------------------------------------------------------------===// |
| 513 | // Internal Helpers |
| 514 | //===--------------------------------------------------------------------===// |
| 515 | |
| 516 | private: |
| 517 | /// EmitIndirectSwitches - Emit code for all of the switch |
| 518 | /// instructions in IndirectSwitches. |
| 519 | void EmitIndirectSwitches(); |
Daniel Dunbar | 5627377 | 2008-09-17 00:51:38 +0000 | [diff] [blame] | 520 | |
Daniel Dunbar | 29e0bcc | 2008-09-24 04:00:38 +0000 | [diff] [blame] | 521 | void EmitReturnOfRValue(RValue RV, QualType Ty); |
| 522 | |
Daniel Dunbar | 5627377 | 2008-09-17 00:51:38 +0000 | [diff] [blame] | 523 | /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty |
| 524 | /// from function arguments into \arg Dst. See ABIArgInfo::Expand. |
| 525 | /// |
| 526 | /// \param AI - The first function argument of the expansion. |
| 527 | /// \return The argument following the last expanded function |
| 528 | /// argument. |
| 529 | llvm::Function::arg_iterator |
| 530 | ExpandTypeFromArgs(QualType Ty, LValue Dst, |
| 531 | llvm::Function::arg_iterator AI); |
| 532 | |
| 533 | /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type |
| 534 | /// for \arg Ty, into individual arguments on the provided vector |
| 535 | /// \arg Args. See ABIArgInfo::Expand. |
| 536 | void ExpandTypeToArgs(QualType Ty, RValue Src, |
| 537 | llvm::SmallVector<llvm::Value*, 16> &Args); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 538 | }; |
| 539 | } // end namespace CodeGen |
| 540 | } // end namespace clang |
| 541 | |
| 542 | #endif |