Mercurial > projects > ldc
annotate gen/irstate.h @ 323:0d52412d5b1a trunk
[svn r344] Fixed some very minor issues with the usage listing when calling llvmdc with no arguments.
Changed the way moduleinfo is registered to use the same approach as DMD, this eliminates the need for correct linking order and should make the way for using a natively compiled runtime library. This should speed up linking tremendously and should now be possible.
Fixed the llvm.used array to only be emitted if really necessary.
author | lindquist |
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date | Wed, 09 Jul 2008 23:43:51 +0200 |
parents | e9c93739bc4c |
children | 20446d22f832 |
rev | line source |
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1 | 1 #ifndef LLVMDC_GEN_IRSTATE_H |
2 #define LLVMDC_GEN_IRSTATE_H | |
3 | |
4 #include <vector> | |
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5 #include <list> |
1 | 6 |
7 #include "root.h" | |
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8 #include "aggregate.h" |
1 | 9 |
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10 #include "ir/irfunction.h" |
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11 #include "ir/irstruct.h" |
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12 #include "ir/irvar.h" |
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13 |
1 | 14 // global ir state for current module |
15 struct IRState; | |
16 extern IRState* gIR; | |
73 | 17 extern const llvm::TargetData* gTargetData; |
1 | 18 |
19 struct TypeFunction; | |
20 struct TypeStruct; | |
21 struct ClassDeclaration; | |
22 struct FuncDeclaration; | |
23 struct Module; | |
24 struct TypeStruct; | |
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25 struct BaseClass; |
309 | 26 struct EnclosingHandler; |
1 | 27 |
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28 struct IrModule; |
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29 |
1 | 30 // represents a scope |
31 struct IRScope | |
32 { | |
33 llvm::BasicBlock* begin; | |
34 llvm::BasicBlock* end; | |
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35 IRBuilder builder; |
1 | 36 |
37 IRScope(); | |
38 IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e); | |
39 }; | |
40 | |
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41 // scope for loops |
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42 struct IRLoopScope : IRScope |
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43 { |
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44 // generating statement |
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45 Statement* s; |
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46 // the try of a TryFinally that encloses the loop |
309 | 47 EnclosingHandler* enclosinghandler; |
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48 // if it is a switch, we are a possible target for break |
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49 // but not for continue |
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50 bool isSwitch; |
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51 |
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52 IRLoopScope(); |
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53 IRLoopScope(Statement* s, EnclosingHandler* enclosinghandler, llvm::BasicBlock* b, llvm::BasicBlock* e, bool isSwitch = false); |
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54 }; |
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55 |
40 | 56 struct IRBuilderHelper |
57 { | |
58 IRState* state; | |
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59 IRBuilder* operator->(); |
40 | 60 }; |
61 | |
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62 struct IRExp |
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63 { |
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64 Expression* e1; |
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65 Expression* e2; |
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66 DValue* v; |
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67 IRExp(); |
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68 IRExp(Expression* l, Expression* r, DValue* val); |
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69 }; |
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70 |
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71 struct IRAsmStmt |
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72 { |
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73 std::string code; |
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74 std::string out_c; |
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75 std::string in_c; |
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76 std::vector<LLValue*> out; |
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77 std::vector<LLValue*> in; |
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78 |
302 | 79 // if this is nonzero, it contains the target label |
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80 Identifier* isBranchToLabel; |
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81 }; |
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82 |
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83 struct IRAsmBlock |
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84 { |
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85 std::vector<IRAsmStmt*> s; |
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86 std::set<std::string> clobs; |
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87 |
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88 // stores the labels within the asm block |
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89 std::vector<Identifier*> internalLabels; |
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90 }; |
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91 |
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92 // llvm::CallInst and llvm::InvokeInst don't share a common base |
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93 // but share common functionality. to avoid duplicating code for |
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94 // adjusting these common properties these structs are made |
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95 struct CallOrInvoke |
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96 { |
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97 virtual void setParamAttrs(const llvm::PAListPtr& Attrs) = 0; |
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98 virtual void setCallingConv(unsigned CC) = 0; |
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99 virtual llvm::Instruction* get() = 0; |
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100 }; |
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101 |
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102 struct CallOrInvoke_Call : public CallOrInvoke |
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103 { |
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104 llvm::CallInst* inst; |
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105 CallOrInvoke_Call(llvm::CallInst* call) : inst(call) {} |
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106 |
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107 virtual void setParamAttrs(const llvm::PAListPtr& Attrs) |
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108 { inst->setParamAttrs(Attrs); } |
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109 virtual void setCallingConv(unsigned CC) |
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110 { inst->setCallingConv(CC); } |
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111 virtual llvm::Instruction* get() |
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112 { return inst; } |
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113 }; |
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114 |
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115 struct CallOrInvoke_Invoke : public CallOrInvoke |
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116 { |
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117 llvm::InvokeInst* inst; |
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118 CallOrInvoke_Invoke(llvm::InvokeInst* invoke) : inst(invoke) {} |
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119 |
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120 virtual void setParamAttrs(const llvm::PAListPtr& Attrs) |
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121 { inst->setParamAttrs(Attrs); } |
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122 virtual void setCallingConv(unsigned CC) |
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123 { inst->setCallingConv(CC); } |
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124 virtual llvm::Instruction* get() |
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125 { return inst; } |
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126 }; |
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127 |
1 | 128 // represents the module |
40 | 129 struct IRState |
1 | 130 { |
131 IRState(); | |
132 | |
133 // module | |
134 Module* dmodule; | |
135 llvm::Module* module; | |
136 | |
161
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137 // interface info type, used in DtoInterfaceInfoType |
309 | 138 const LLStructType* interfaceInfoType; |
139 const LLStructType* mutexType; | |
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140 const LLStructType* moduleRefType; |
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141 |
1 | 142 // functions |
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143 typedef std::vector<IrFunction*> FunctionVector; |
40 | 144 FunctionVector functions; |
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145 IrFunction* func(); |
40 | 146 |
1 | 147 llvm::Function* topfunc(); |
148 TypeFunction* topfunctype(); | |
149 llvm::Instruction* topallocapoint(); | |
150 | |
151 // structs | |
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152 typedef std::vector<IrStruct*> StructVector; |
1 | 153 StructVector structs; |
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154 IrStruct* topstruct(); |
1 | 155 |
156 // classes TODO move into IRClass | |
157 typedef std::vector<ClassDeclaration*> ClassDeclVec; | |
158 ClassDeclVec classes; | |
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159 |
1 | 160 // D main function |
161 bool emitMain; | |
162 llvm::Function* mainFunc; | |
163 | |
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164 // expression l/r value handling |
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165 typedef std::vector<IRExp> ExpVec; |
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166 ExpVec exps; |
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167 IRExp* topexp(); |
1 | 168 |
169 // basic block scopes | |
170 std::vector<IRScope> scopes; | |
171 IRScope& scope(); | |
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172 llvm::BasicBlock* scopebb(); |
1 | 173 llvm::BasicBlock* scopeend(); |
174 bool scopereturned(); | |
175 | |
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176 // create a call or invoke, depending on the landing pad info |
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177 // the template function is defined further down in this file |
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178 template <typename InputIterator> |
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179 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name=""); |
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180 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, const char* Name=""); |
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181 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, LLValue* Arg1, const char* Name=""); |
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182 CallOrInvoke* CreateCallOrInvoke2(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, const char* Name=""); |
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183 CallOrInvoke* CreateCallOrInvoke3(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, const char* Name=""); |
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184 CallOrInvoke* CreateCallOrInvoke4(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, LLValue* Arg4, const char* Name=""); |
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185 |
1 | 186 // loop blocks |
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187 typedef std::vector<IRLoopScope> LoopScopeVec; |
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188 LoopScopeVec loopbbs; |
1 | 189 |
190 // this holds the array being indexed or sliced so $ will work | |
191 // might be a better way but it works. problem is I only get a | |
192 // VarDeclaration for __dollar, but I can't see how to get the | |
193 // array pointer from this :( | |
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194 std::vector<DValue*> arrays; |
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195 |
40 | 196 // builder helper |
197 IRBuilderHelper ir; | |
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198 |
102
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199 typedef std::list<Dsymbol*> DsymbolList; |
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200 // dsymbols that need to be resolved |
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201 DsymbolList resolveList; |
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202 // dsymbols that need to be declared |
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203 DsymbolList declareList; |
100 | 204 // dsymbols that need constant initializers constructed |
102
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205 DsymbolList constInitList; |
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206 // dsymbols that need definitions |
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207 DsymbolList defineList; |
116
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208 |
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209 // static ctors/dtors/unittests |
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210 typedef std::vector<FuncDeclaration*> FuncDeclVector; |
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211 FuncDeclVector ctors; |
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212 FuncDeclVector dtors; |
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213 FuncDeclVector unitTests; |
232
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214 |
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215 // for inline asm |
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216 IRAsmBlock* asmBlock; |
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217 |
252 | 218 // dwarf dbg stuff |
219 // 'used' array solely for keeping a reference to globals | |
250
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220 std::vector<LLConstant*> usedArray; |
252 | 221 LLGlobalVariable* dwarfCUs; |
222 LLGlobalVariable* dwarfSPs; | |
223 LLGlobalVariable* dwarfGVs; | |
1 | 224 }; |
225 | |
315
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226 template <typename InputIterator> |
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227 CallOrInvoke* IRState::CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name) |
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228 { |
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229 llvm::BasicBlock* pad; |
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230 if(pad = func()->landingPad.get()) |
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231 { |
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232 llvm::BasicBlock* postinvoke = llvm::BasicBlock::Create("postinvoke", topfunc(), scopeend()); |
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233 llvm::InvokeInst* invoke = ir->CreateInvoke(Callee, postinvoke, pad, ArgBegin, ArgEnd, Name); |
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234 scope() = IRScope(postinvoke, scopeend()); |
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235 return new CallOrInvoke_Invoke(invoke); |
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236 } |
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237 else |
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238 return new CallOrInvoke_Call(ir->CreateCall(Callee, ArgBegin, ArgEnd, Name)); |
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239 } |
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240 |
1 | 241 #endif // LLVMDC_GEN_IRSTATE_H |