Mercurial > projects > ldc
annotate gen/irstate.h @ 761:fa306ca8843b
Applied fvbommel's patch from #112
Added missing TypeInfoInvariant codegen for D2
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Wed, 12 Nov 2008 02:30:28 +0100 |
parents | eef8ac26c66c |
children | 340acf1535d0 |
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 <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; |
311
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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); |
145
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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 IRAsmStmt |
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63 { |
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64 IRAsmStmt() |
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65 : isBranchToLabel(NULL) {} |
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66 |
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67 std::string code; |
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68 std::string out_c; |
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69 std::string in_c; |
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70 std::vector<LLValue*> out; |
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71 std::vector<LLValue*> in; |
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72 |
302 | 73 // if this is nonzero, it contains the target label |
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74 Identifier* isBranchToLabel; |
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75 }; |
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76 |
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77 struct IRAsmBlock |
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78 { |
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79 std::vector<IRAsmStmt*> s; |
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80 std::set<std::string> clobs; |
299
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81 |
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82 // stores the labels within the asm block |
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83 std::vector<Identifier*> internalLabels; |
233
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84 }; |
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85 |
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86 // llvm::CallInst and llvm::InvokeInst don't share a common base |
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87 // but share common functionality. to avoid duplicating code for |
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88 // adjusting these common properties these structs are made |
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89 struct CallOrInvoke |
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90 { |
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91 virtual void setAttributes(const llvm::AttrListPtr& Attrs) = 0; |
315
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92 virtual void setCallingConv(unsigned CC) = 0; |
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93 virtual llvm::Instruction* get() = 0; |
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94 }; |
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95 |
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96 struct CallOrInvoke_Call : public CallOrInvoke |
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97 { |
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98 llvm::CallInst* inst; |
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99 CallOrInvoke_Call(llvm::CallInst* call) : inst(call) {} |
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100 |
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101 virtual void setAttributes(const llvm::AttrListPtr& Attrs) |
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102 { inst->setAttributes(Attrs); } |
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103 virtual void setCallingConv(unsigned CC) |
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104 { inst->setCallingConv(CC); } |
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105 virtual llvm::Instruction* get() |
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106 { return inst; } |
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107 }; |
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108 |
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109 struct CallOrInvoke_Invoke : public CallOrInvoke |
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110 { |
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111 llvm::InvokeInst* inst; |
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112 CallOrInvoke_Invoke(llvm::InvokeInst* invoke) : inst(invoke) {} |
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113 |
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114 virtual void setAttributes(const llvm::AttrListPtr& Attrs) |
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115 { inst->setAttributes(Attrs); } |
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116 virtual void setCallingConv(unsigned CC) |
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117 { inst->setCallingConv(CC); } |
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118 virtual llvm::Instruction* get() |
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119 { return inst; } |
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120 }; |
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121 |
1 | 122 // represents the module |
40 | 123 struct IRState |
1 | 124 { |
125 IRState(); | |
126 | |
127 // module | |
128 Module* dmodule; | |
129 llvm::Module* module; | |
130 | |
161
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131 // interface info type, used in DtoInterfaceInfoType |
309 | 132 const LLStructType* interfaceInfoType; |
133 const LLStructType* mutexType; | |
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134 const LLStructType* moduleRefType; |
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135 |
1 | 136 // functions |
136
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137 typedef std::vector<IrFunction*> FunctionVector; |
40 | 138 FunctionVector functions; |
136
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139 IrFunction* func(); |
40 | 140 |
1 | 141 llvm::Function* topfunc(); |
142 TypeFunction* topfunctype(); | |
143 llvm::Instruction* topallocapoint(); | |
144 | |
145 // structs | |
136
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146 typedef std::vector<IrStruct*> StructVector; |
1 | 147 StructVector structs; |
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148 IrStruct* topstruct(); |
1 | 149 |
150 // classes TODO move into IRClass | |
151 typedef std::vector<ClassDeclaration*> ClassDeclVec; | |
152 ClassDeclVec classes; | |
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153 |
1 | 154 // D main function |
155 bool emitMain; | |
156 llvm::Function* mainFunc; | |
157 | |
158 // basic block scopes | |
159 std::vector<IRScope> scopes; | |
160 IRScope& scope(); | |
108
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161 llvm::BasicBlock* scopebb(); |
1 | 162 llvm::BasicBlock* scopeend(); |
163 bool scopereturned(); | |
164 | |
315
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165 // create a call or invoke, depending on the landing pad info |
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166 // the template function is defined further down in this file |
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167 template <typename InputIterator> |
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168 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name=""); |
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169 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, const char* Name=""); |
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170 CallOrInvoke* CreateCallOrInvoke(LLValue* Callee, LLValue* Arg1, const char* Name=""); |
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171 CallOrInvoke* CreateCallOrInvoke2(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, const char* Name=""); |
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172 CallOrInvoke* CreateCallOrInvoke3(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, const char* Name=""); |
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173 CallOrInvoke* CreateCallOrInvoke4(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, LLValue* Arg4, const char* Name=""); |
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174 |
1 | 175 // loop blocks |
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176 typedef std::vector<IRLoopScope> LoopScopeVec; |
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177 LoopScopeVec loopbbs; |
1 | 178 |
179 // this holds the array being indexed or sliced so $ will work | |
180 // might be a better way but it works. problem is I only get a | |
181 // VarDeclaration for __dollar, but I can't see how to get the | |
182 // array pointer from this :( | |
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183 std::vector<DValue*> arrays; |
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184 |
40 | 185 // builder helper |
186 IRBuilderHelper ir; | |
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187 |
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188 typedef std::list<Dsymbol*> DsymbolList; |
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189 // dsymbols that need to be resolved |
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190 DsymbolList resolveList; |
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191 // dsymbols that need to be declared |
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192 DsymbolList declareList; |
100 | 193 // dsymbols that need constant initializers constructed |
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194 DsymbolList constInitList; |
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195 // dsymbols that need definitions |
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196 DsymbolList defineList; |
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197 |
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198 // static ctors/dtors/unittests |
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199 typedef std::vector<FuncDeclaration*> FuncDeclVector; |
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200 FuncDeclVector ctors; |
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201 FuncDeclVector dtors; |
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202 FuncDeclVector unitTests; |
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203 |
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204 // for inline asm |
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205 IRAsmBlock* asmBlock; |
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206 |
252 | 207 // dwarf dbg stuff |
208 // 'used' array solely for keeping a reference to globals | |
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209 std::vector<LLConstant*> usedArray; |
252 | 210 LLGlobalVariable* dwarfCUs; |
211 LLGlobalVariable* dwarfSPs; | |
212 LLGlobalVariable* dwarfGVs; | |
1 | 213 }; |
214 | |
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215 template <typename InputIterator> |
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216 CallOrInvoke* IRState::CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name) |
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217 { |
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218 llvm::BasicBlock* pad; |
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219 if(pad = func()->landingPad.get()) |
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220 { |
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221 // intrinsics don't support invoking |
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222 LLFunction* funcval = llvm::dyn_cast<LLFunction>(Callee); |
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223 if (funcval && funcval->isIntrinsic()) |
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224 { |
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225 return new CallOrInvoke_Call(ir->CreateCall(Callee, ArgBegin, ArgEnd, Name)); |
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226 } |
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227 |
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228 llvm::BasicBlock* postinvoke = llvm::BasicBlock::Create("postinvoke", topfunc(), scopeend()); |
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229 llvm::InvokeInst* invoke = ir->CreateInvoke(Callee, postinvoke, pad, ArgBegin, ArgEnd, Name); |
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230 scope() = IRScope(postinvoke, scopeend()); |
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231 return new CallOrInvoke_Invoke(invoke); |
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232 } |
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233 else |
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234 return new CallOrInvoke_Call(ir->CreateCall(Callee, ArgBegin, ArgEnd, Name)); |
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235 } |
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236 |
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237 #endif // LDC_GEN_IRSTATE_H |