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annotate ir/irfunction.h @ 373:d1574e142e93 trunk

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[svn r394] Fixed the new DtoNullValue function
author lindquist
date Tue, 15 Jul 2008 15:16:56 +0200
parents d8357f7004ca
children a34078905d01
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1 #ifndef LLVMDC_IR_IRFUNCTION_H
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2 #define LLVMDC_IR_IRFUNCTION_H
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3
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4 #include "ir/ir.h"
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5 #include "ir/irlandingpad.h"
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6
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7 #include <vector>
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8 #include <stack>
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9 #include <map>
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10
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11 // represents a function
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12 struct IrFunction : IrBase
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13 {
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14 llvm::Function* func;
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15 llvm::Instruction* allocapoint;
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16 FuncDeclaration* decl;
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17 TypeFunction* type;
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18
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19 bool queued;
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20 bool defined;
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21 llvm::Value* retArg;
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22 llvm::Value* thisVar;
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23 llvm::Value* nestedVar;
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24 llvm::Value* _arguments;
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25 llvm::Value* _argptr;
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26 llvm::Constant* dwarfSubProg;
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27
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28 llvm::AllocaInst* srcfileArg;
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29 llvm::AllocaInst* msgArg;
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30
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31 // pushes a unique label scope of the given name
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32 void pushUniqueLabelScope(const char* name);
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33 // pops a label scope
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34 void popLabelScope();
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35
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36 // gets the string under which the label's BB
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37 // is stored in the labelToBB map.
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38 // essentially prefixes ident by the strings in labelScopes
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39 std::string getScopedLabelName(const char* ident);
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41 // label to basic block lookup
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42 typedef std::map<std::string, llvm::BasicBlock*> LabelToBBMap;
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43 LabelToBBMap labelToBB;
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45 // landing pads for try statements
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46 IRLandingPad landingPad;
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47
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48 IrFunction(FuncDeclaration* fd);
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50 private:
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51 // prefix for labels and gotos
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52 // used for allowing labels to be emitted twice
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53 std::vector<std::string> labelScopes;
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54
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55 // next unique id stack
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56 std::stack<int> nextUnique;
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57 };
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58
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59 #endif