Mercurial > projects > ldc
annotate gen/irstate.h @ 1650:40bd4a0d4870
Update to work with LLVM 2.7.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
author | Tomas Lindquist Olsen |
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date | Wed, 19 May 2010 12:42:32 +0200 |
parents | 8d086d552909 |
children |
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> |
1 | 8 |
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 |
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16 #include "llvm/Support/CallSite.h" |
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17 |
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18 namespace llvm { |
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19 class LLVMContext; |
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20 class TargetMachine; |
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21 } |
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22 |
1 | 23 // global ir state for current module |
24 struct IRState; | |
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25 struct TargetABI; |
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26 |
1 | 27 extern IRState* gIR; |
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28 extern llvm::TargetMachine* gTargetMachine; |
73 | 29 extern const llvm::TargetData* gTargetData; |
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30 extern TargetABI* gABI; |
1 | 31 |
32 struct TypeFunction; | |
33 struct TypeStruct; | |
34 struct ClassDeclaration; | |
35 struct FuncDeclaration; | |
36 struct Module; | |
37 struct TypeStruct; | |
113
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38 struct BaseClass; |
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Removed KDevelop3 project files, CMake can generate them just fine!
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39 struct AnonDeclaration; |
1 | 40 |
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41 struct IrModule; |
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42 |
1 | 43 // represents a scope |
44 struct IRScope | |
45 { | |
46 llvm::BasicBlock* begin; | |
47 llvm::BasicBlock* end; | |
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48 IRBuilder<> builder; |
1 | 49 |
50 IRScope(); | |
51 IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e); | |
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52 |
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53 const IRScope& operator=(const IRScope& rhs); |
1 | 54 }; |
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::deque<IRAsmStmt*> s; |
233
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80 std::set<std::string> clobs; |
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81 size_t outputcount; |
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82 |
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83 // stores the labels within the asm block |
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84 std::vector<Identifier*> internalLabels; |
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85 |
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86 AsmBlockStatement* asmBlock; |
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87 const LLType* retty; |
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88 unsigned retn; |
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89 bool retemu; // emulate abi ret with a temporary |
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90 LLValue* (*retfixup)(IRBuilderHelper b, LLValue* orig); // Modifies retval |
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91 |
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92 IRAsmBlock(AsmBlockStatement* b) |
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93 : asmBlock(b), retty(NULL), retn(0), retemu(false), retfixup(NULL), |
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94 outputcount(0) |
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95 {} |
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96 }; |
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97 |
1 | 98 // represents the module |
40 | 99 struct IRState |
1 | 100 { |
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101 IRState(llvm::Module* m); |
1 | 102 |
103 // module | |
104 Module* dmodule; | |
105 llvm::Module* module; | |
106 | |
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107 // interface info type, used in DtoInterfaceInfoType |
309 | 108 const LLStructType* interfaceInfoType; |
109 const LLStructType* mutexType; | |
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110 const LLStructType* moduleRefType; |
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111 |
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112 // helper to get the LLVMContext of the module |
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113 llvm::LLVMContext& context() const { return module->getContext(); } |
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114 |
1 | 115 // functions |
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116 typedef std::vector<IrFunction*> FunctionVector; |
40 | 117 FunctionVector functions; |
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118 IrFunction* func(); |
40 | 119 |
1 | 120 llvm::Function* topfunc(); |
121 TypeFunction* topfunctype(); | |
122 llvm::Instruction* topallocapoint(); | |
123 | |
124 // structs | |
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125 typedef std::vector<IrStruct*> StructVector; |
1 | 126 StructVector structs; |
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127 IrStruct* topstruct(); |
1 | 128 |
129 // D main function | |
130 bool emitMain; | |
131 llvm::Function* mainFunc; | |
132 | |
133 // basic block scopes | |
134 std::vector<IRScope> scopes; | |
135 IRScope& scope(); | |
108
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136 llvm::BasicBlock* scopebb(); |
1 | 137 llvm::BasicBlock* scopeend(); |
138 bool scopereturned(); | |
139 | |
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140 // create a call or invoke, depending on the landing pad info |
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141 // the template function is defined further down in this file |
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142 template <typename InputIterator> |
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143 llvm::CallSite CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name=""); |
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144 llvm::CallSite CreateCallOrInvoke(LLValue* Callee, const char* Name=""); |
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145 llvm::CallSite CreateCallOrInvoke(LLValue* Callee, LLValue* Arg1, const char* Name=""); |
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146 llvm::CallSite CreateCallOrInvoke2(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, const char* Name=""); |
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147 llvm::CallSite CreateCallOrInvoke3(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, const char* Name=""); |
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148 llvm::CallSite CreateCallOrInvoke4(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, LLValue* Arg4, const char* Name=""); |
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149 |
1 | 150 // this holds the array being indexed or sliced so $ will work |
151 // might be a better way but it works. problem is I only get a | |
152 // VarDeclaration for __dollar, but I can't see how to get the | |
153 // array pointer from this :( | |
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154 std::vector<DValue*> arrays; |
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155 |
40 | 156 // builder helper |
157 IRBuilderHelper ir; | |
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158 |
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159 // debug info helper |
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160 llvm::DIFactory difactory; |
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161 |
116
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162 // static ctors/dtors/unittests |
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163 typedef std::vector<FuncDeclaration*> FuncDeclVector; |
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164 FuncDeclVector ctors; |
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165 FuncDeclVector dtors; |
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166 FuncDeclVector unitTests; |
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167 |
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168 // all template instances that had members emitted |
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169 // currently only filled for singleobj |
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170 // used to make sure the complete template instance gets emitted in the |
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171 // first file that touches a member, see #318 |
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172 typedef std::set<TemplateInstance*> TemplateInstanceSet; |
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173 TemplateInstanceSet seenTemplateInstances; |
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174 |
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175 // for inline asm |
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176 IRAsmBlock* asmBlock; |
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177 std::ostringstream nakedAsm; |
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178 |
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179 // 'used' array solely for keeping a reference to globals |
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180 std::vector<LLConstant*> usedArray; |
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181 |
252 | 182 // dwarf dbg stuff |
183 LLGlobalVariable* dwarfCUs; | |
184 LLGlobalVariable* dwarfSPs; | |
185 LLGlobalVariable* dwarfGVs; | |
1 | 186 }; |
187 | |
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188 template <typename InputIterator> |
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189 llvm::CallSite IRState::CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name) |
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190 { |
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191 llvm::BasicBlock* pad = func()->gen->landingPad; |
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192 if(pad) |
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193 { |
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194 // intrinsics don't support invoking and 'nounwind' functions don't need it. |
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195 LLFunction* funcval = llvm::dyn_cast<LLFunction>(Callee); |
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196 if (funcval && (funcval->isIntrinsic() || funcval->doesNotThrow())) |
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197 { |
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198 llvm::CallInst* call = ir->CreateCall(Callee, ArgBegin, ArgEnd, Name); |
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199 call->setAttributes(funcval->getAttributes()); |
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200 return call; |
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201 } |
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202 |
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203 llvm::BasicBlock* postinvoke = llvm::BasicBlock::Create(gIR->context(), "postinvoke", topfunc(), scopeend()); |
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204 llvm::InvokeInst* invoke = ir->CreateInvoke(Callee, postinvoke, pad, ArgBegin, ArgEnd, Name); |
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205 if (LLFunction* fn = llvm::dyn_cast<LLFunction>(Callee)) |
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206 invoke->setAttributes(fn->getAttributes()); |
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207 scope() = IRScope(postinvoke, scopeend()); |
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208 return invoke; |
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209 } |
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210 else |
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211 { |
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212 llvm::CallInst* call = ir->CreateCall(Callee, ArgBegin, ArgEnd, Name); |
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213 if (LLFunction* fn = llvm::dyn_cast<LLFunction>(Callee)) |
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214 call->setAttributes(fn->getAttributes()); |
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215 return call; |
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216 } |
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217 } |
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218 |
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219 #endif // LDC_GEN_IRSTATE_H |