Mercurial > projects > ldc
annotate gen/irstate.h @ 946:1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Add getCompilationModule to Dsymbol and fix template compile unit decision code.
Runtime compiles with -g again.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 08 Feb 2009 16:50:22 +0100 |
parents | 03d7c4aac654 |
children | e048e36bc155 |
rev | line source |
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1 #ifndef LDC_GEN_IRSTATE_H |
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2 #define LDC_GEN_IRSTATE_H |
1 | 3 |
4 #include <vector> | |
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5 #include <deque> |
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6 #include <list> |
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7 #include <sstream> |
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9 #include "root.h" | |
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10 #include "aggregate.h" |
1 | 11 |
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12 #include "ir/irfunction.h" |
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13 #include "ir/irstruct.h" |
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14 #include "ir/irvar.h" |
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15 |
1 | 16 // global ir state for current module |
17 struct IRState; | |
18 extern IRState* gIR; | |
73 | 19 extern const llvm::TargetData* gTargetData; |
1 | 20 |
21 struct TypeFunction; | |
22 struct TypeStruct; | |
23 struct ClassDeclaration; | |
24 struct FuncDeclaration; | |
25 struct Module; | |
26 struct TypeStruct; | |
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27 struct BaseClass; |
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28 struct AnonDeclaration; |
309 | 29 struct EnclosingHandler; |
1 | 30 |
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31 struct IrModule; |
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32 |
1 | 33 // represents a scope |
34 struct IRScope | |
35 { | |
36 llvm::BasicBlock* begin; | |
37 llvm::BasicBlock* end; | |
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38 IRBuilder<> builder; |
1 | 39 |
40 IRScope(); | |
41 IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e); | |
42 }; | |
43 | |
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44 // scope for loops |
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45 struct IRLoopScope : IRScope |
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46 { |
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47 // generating statement |
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48 Statement* s; |
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49 // the try of a TryFinally that encloses the loop |
309 | 50 EnclosingHandler* enclosinghandler; |
311
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51 // if it is a switch, we are a possible target for break |
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52 // but not for continue |
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53 bool isSwitch; |
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54 |
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55 IRLoopScope(); |
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56 IRLoopScope(Statement* s, EnclosingHandler* enclosinghandler, llvm::BasicBlock* b, llvm::BasicBlock* e, bool isSwitch = false); |
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57 }; |
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58 |
40 | 59 struct IRBuilderHelper |
60 { | |
61 IRState* state; | |
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62 IRBuilder<>* operator->(); |
40 | 63 }; |
64 | |
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65 struct IRAsmStmt |
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66 { |
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67 IRAsmStmt() |
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68 : isBranchToLabel(NULL) {} |
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69 |
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70 std::string code; |
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71 std::string out_c; |
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72 std::string in_c; |
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73 std::vector<LLValue*> out; |
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74 std::vector<LLValue*> in; |
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75 |
302 | 76 // if this is nonzero, it contains the target label |
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77 Identifier* isBranchToLabel; |
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78 }; |
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79 |
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80 struct IRAsmBlock |
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81 { |
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82 std::deque<IRAsmStmt*> s; |
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83 std::set<std::string> clobs; |
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84 |
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85 // stores the labels within the asm block |
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86 std::vector<Identifier*> internalLabels; |
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87 |
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88 AsmBlockStatement* asmBlock; |
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89 const LLType* retty; |
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90 unsigned retn; |
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91 |
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92 IRAsmBlock(AsmBlockStatement* b) : asmBlock(b), retty(NULL), retn(0) {} |
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93 }; |
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94 |
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95 // llvm::CallInst and llvm::InvokeInst don't share a common base |
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96 // but share common functionality. to avoid duplicating code for |
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97 // adjusting these common properties these structs are made |
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98 struct CallOrInvoke |
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99 { |
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100 virtual void setAttributes(const llvm::AttrListPtr& Attrs) = 0; |
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101 virtual void setCallingConv(unsigned CC) = 0; |
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102 virtual llvm::Instruction* get() = 0; |
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103 }; |
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104 |
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105 struct CallOrInvoke_Call : public CallOrInvoke |
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106 { |
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107 llvm::CallInst* inst; |
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108 CallOrInvoke_Call(llvm::CallInst* call) : inst(call) {} |
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109 |
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110 virtual void setAttributes(const llvm::AttrListPtr& Attrs) |
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111 { inst->setAttributes(Attrs); } |
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112 virtual void setCallingConv(unsigned CC) |
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113 { inst->setCallingConv(CC); } |
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114 virtual llvm::Instruction* get() |
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115 { return inst; } |
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116 }; |
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117 |
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118 struct CallOrInvoke_Invoke : public CallOrInvoke |
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119 { |
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120 llvm::InvokeInst* inst; |
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121 CallOrInvoke_Invoke(llvm::InvokeInst* invoke) : inst(invoke) {} |
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122 |
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123 virtual void setAttributes(const llvm::AttrListPtr& Attrs) |
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124 { inst->setAttributes(Attrs); } |
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125 virtual void setCallingConv(unsigned CC) |
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126 { inst->setCallingConv(CC); } |
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127 virtual llvm::Instruction* get() |
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128 { return inst; } |
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129 }; |
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130 |
1 | 131 // represents the module |
40 | 132 struct IRState |
1 | 133 { |
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134 IRState(llvm::Module* m); |
1 | 135 |
136 // module | |
137 Module* dmodule; | |
138 llvm::Module* module; | |
139 | |
161
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140 // interface info type, used in DtoInterfaceInfoType |
309 | 141 const LLStructType* interfaceInfoType; |
142 const LLStructType* mutexType; | |
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143 const LLStructType* moduleRefType; |
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144 |
1 | 145 // functions |
136
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146 typedef std::vector<IrFunction*> FunctionVector; |
40 | 147 FunctionVector functions; |
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148 IrFunction* func(); |
40 | 149 |
1 | 150 llvm::Function* topfunc(); |
151 TypeFunction* topfunctype(); | |
152 llvm::Instruction* topallocapoint(); | |
153 | |
154 // structs | |
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155 typedef std::vector<IrStruct*> StructVector; |
1 | 156 StructVector structs; |
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157 IrStruct* topstruct(); |
1 | 158 |
159 // D main function | |
160 bool emitMain; | |
161 llvm::Function* mainFunc; | |
162 | |
163 // basic block scopes | |
164 std::vector<IRScope> scopes; | |
165 IRScope& scope(); | |
108
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166 llvm::BasicBlock* scopebb(); |
1 | 167 llvm::BasicBlock* scopeend(); |
168 bool scopereturned(); | |
169 | |
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170 // create a call or invoke, depending on the landing pad info |
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171 // the template function is defined further down in this file |
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172 template <typename InputIterator> |
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173 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name=""); |
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174 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, const char* Name=""); |
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175 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, LLValue* Arg1, const char* Name=""); |
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176 CallOrInvoke* CreateCallOrInvoke2(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, const char* Name=""); |
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177 CallOrInvoke* CreateCallOrInvoke3(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, const char* Name=""); |
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178 CallOrInvoke* CreateCallOrInvoke4(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, LLValue* Arg4, const char* Name=""); |
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179 |
1 | 180 // loop blocks |
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181 typedef std::vector<IRLoopScope> LoopScopeVec; |
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182 LoopScopeVec loopbbs; |
1 | 183 |
184 // this holds the array being indexed or sliced so $ will work | |
185 // might be a better way but it works. problem is I only get a | |
186 // VarDeclaration for __dollar, but I can't see how to get the | |
187 // array pointer from this :( | |
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188 std::vector<DValue*> arrays; |
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189 |
40 | 190 // builder helper |
191 IRBuilderHelper ir; | |
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192 |
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193 // debug info helper |
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194 llvm::DIFactory difactory; |
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195 |
102
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196 typedef std::list<Dsymbol*> DsymbolList; |
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197 // dsymbols that need to be resolved |
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198 DsymbolList resolveList; |
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199 // dsymbols that need to be declared |
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200 DsymbolList declareList; |
100 | 201 // dsymbols that need constant initializers constructed |
102
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202 DsymbolList constInitList; |
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203 // dsymbols that need definitions |
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204 DsymbolList defineList; |
116
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205 |
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206 // static ctors/dtors/unittests |
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207 typedef std::vector<FuncDeclaration*> FuncDeclVector; |
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208 FuncDeclVector ctors; |
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209 FuncDeclVector dtors; |
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210 FuncDeclVector unitTests; |
232
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211 |
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212 // for inline asm |
233
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213 IRAsmBlock* asmBlock; |
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214 std::ostringstream nakedAsm; |
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215 |
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216 // 'used' array solely for keeping a reference to globals |
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217 std::vector<LLConstant*> usedArray; |
250
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218 |
252 | 219 // dwarf dbg stuff |
220 LLGlobalVariable* dwarfCUs; | |
221 LLGlobalVariable* dwarfSPs; | |
222 LLGlobalVariable* dwarfGVs; | |
1 | 223 }; |
224 | |
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225 template <typename InputIterator> |
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226 CallOrInvoke* IRState::CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name) |
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227 { |
319
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228 llvm::BasicBlock* pad; |
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229 if(pad = func()->landingPad.get()) |
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230 { |
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231 // intrinsics don't support invoking |
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232 LLFunction* funcval = llvm::dyn_cast<LLFunction>(Callee); |
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233 if (funcval && funcval->isIntrinsic()) |
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234 { |
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235 return new CallOrInvoke_Call(ir->CreateCall(Callee, ArgBegin, ArgEnd, Name)); |
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236 } |
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237 |
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238 llvm::BasicBlock* postinvoke = llvm::BasicBlock::Create("postinvoke", topfunc(), scopeend()); |
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239 llvm::InvokeInst* invoke = ir->CreateInvoke(Callee, postinvoke, pad, ArgBegin, ArgEnd, Name); |
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240 scope() = IRScope(postinvoke, scopeend()); |
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241 return new CallOrInvoke_Invoke(invoke); |
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242 } |
319
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243 else |
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244 return new CallOrInvoke_Call(ir->CreateCall(Callee, ArgBegin, ArgEnd, Name)); |
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245 } |
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246 |
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247 #endif // LDC_GEN_IRSTATE_H |