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view gen/abi.h @ 1042:45af482e3832
Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Wed, 04 Mar 2009 17:24:25 +0100 |
parents | 9167d492cbc2 |
children | 6bb04dbee21f |
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#ifndef __LDC_GEN_ABI_H__ #define __LDC_GEN_ABI_H__ #include <vector> struct Type; struct IrFuncTyArg; struct DValue; namespace llvm { class Type; class Value; } // return rewrite rule struct ABIRewrite { /// get a rewritten value back to its original form virtual LLValue* get(Type* dty, DValue* v) = 0; /// get a rewritten value back to its original form and store result in provided lvalue /// this one is optional and defaults to calling the one above virtual void getL(Type* dty, DValue* v, llvm::Value* lval); /// put out rewritten value virtual LLValue* put(Type* dty, DValue* v) = 0; /// should return the transformed type for this rewrite virtual const LLType* type(Type* dty, const LLType* t) = 0; }; // interface called by codegen struct TargetABI { static TargetABI* getTarget(); virtual bool returnInArg(TypeFunction* tf) = 0; virtual bool passByVal(Type* t) = 0; virtual void rewriteFunctionType(TypeFunction* t) = 0; }; #endif