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Forgot new files that were supposed to be in last commit.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Thu, 26 Feb 2009 14:13:27 +0100
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children e8c6dbcd33d1
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1 #ifndef __LDC_GEN_ABI_H__
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2 #define __LDC_GEN_ABI_H__
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3
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4 #include <vector>
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5
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6 struct Type;
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7 namespace llvm
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8 {
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9 class Type;
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10 class Value;
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11 }
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12
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13 // return rewrite rule
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14 struct ABIRetRewrite
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15 {
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16 // get original value from rewritten one
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17 virtual LLValue* get(LLValue* v) = 0;
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18
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19 // rewrite original value
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20 virtual LLValue* put(LLValue* v) = 0;
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21
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22 // returns target type of this rewrite
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23 virtual const LLType* type(const LLType* t) = 0;
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24
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25 // test if rewrite applies
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26 virtual bool test(TypeFunction* tf) = 0;
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27 };
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29
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30 // interface called by codegen
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31 struct TargetABI
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32 {
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33 static TargetABI* getTarget();
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34
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35 TargetABI();
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36
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37 const llvm::Type* getRetType(TypeFunction* tf, const llvm::Type* t);
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38 llvm::Value* getRet(TypeFunction* tf, llvm::Value* v);
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39 llvm::Value* putRet(TypeFunction* tf, llvm::Value* v);
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40
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41 virtual bool returnInArg(Type* t) = 0;
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42 virtual bool passByRef(Type* t) = 0;
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43
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44 protected:
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45 std::vector<ABIRetRewrite*> retOps;
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46 ABIRetRewrite* findRetRewrite(TypeFunction* tf);
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47 };
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48
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49 #endif