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annotate ir/irfunction.h @ 1138:4c8bb03e4fbc

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Update DtoConstFP() to be correct after LLVM r67562, which changed the way the APFloat constructor expects its i80 APInts to be formatted. (They're now actually consistent with the x87 format)
author Frits van Bommel <fvbommel wxs.nl>
date Tue, 24 Mar 2009 15:24:59 +0100
parents dc608dc33081
children 40caa8207b3e
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rev   line source
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eef8ac26c66c Some missed LLVMDC -> LDC.
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1 #ifndef LDC_IR_IRFUNCTION_H
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2 #define LDC_IR_IRFUNCTION_H
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3
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4 #include "gen/llvm.h"
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5 #include "ir/ir.h"
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6 #include "ir/irlandingpad.h"
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7
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8 #include <vector>
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9 #include <stack>
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10 #include <map>
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11
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12 // represents a function
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13 struct IrFunction : IrBase
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14 {
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15 llvm::Function* func;
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16 llvm::Instruction* allocapoint;
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17 FuncDeclaration* decl;
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18 TypeFunction* type;
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19
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20 bool queued;
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21 bool defined;
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23 llvm::Value* retArg; // return in ptr arg
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24 llvm::Value* thisArg; // class/struct 'this' arg
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25 llvm::Value* nestArg; // nested function 'this' arg
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27 llvm::Value* nestedVar; // nested var alloca
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29 llvm::Value* _arguments;
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30 llvm::Value* _argptr;
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31
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32 llvm::DISubprogram diSubprogram;
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34 // pushes a unique label scope of the given name
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35 void pushUniqueLabelScope(const char* name);
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36 // pops a label scope
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37 void popLabelScope();
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38
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39 // gets the string under which the label's BB
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40 // is stored in the labelToBB map.
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41 // essentially prefixes ident by the strings in labelScopes
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42 std::string getScopedLabelName(const char* ident);
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43
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44 // label to basic block lookup
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45 typedef std::map<std::string, llvm::BasicBlock*> LabelToBBMap;
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46 LabelToBBMap labelToBB;
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47
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48 // landing pads for try statements
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49 IRLandingPad landingPad;
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50
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51 IrFunction(FuncDeclaration* fd);
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52
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53 // annotations
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54 void setNeverInline();
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55 void setAlwaysInline();
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56
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57 private:
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58 // prefix for labels and gotos
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59 // used for allowing labels to be emitted twice
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60 std::vector<std::string> labelScopes;
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61
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62 // next unique id stack
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63 std::stack<int> nextUnique;
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64 };
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65
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66 #endif