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comparison gen/abi.h @ 989:420ef073448d

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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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988:2667e3a145be 989:420ef073448d
1 #ifndef __LDC_GEN_ABI_H__
2 #define __LDC_GEN_ABI_H__
3
4 #include <vector>
5
6 struct Type;
7 namespace llvm
8 {
9 class Type;
10 class Value;
11 }
12
13 // return rewrite rule
14 struct ABIRetRewrite
15 {
16 // get original value from rewritten one
17 virtual LLValue* get(LLValue* v) = 0;
18
19 // rewrite original value
20 virtual LLValue* put(LLValue* v) = 0;
21
22 // returns target type of this rewrite
23 virtual const LLType* type(const LLType* t) = 0;
24
25 // test if rewrite applies
26 virtual bool test(TypeFunction* tf) = 0;
27 };
28
29
30 // interface called by codegen
31 struct TargetABI
32 {
33 static TargetABI* getTarget();
34
35 TargetABI();
36
37 const llvm::Type* getRetType(TypeFunction* tf, const llvm::Type* t);
38 llvm::Value* getRet(TypeFunction* tf, llvm::Value* v);
39 llvm::Value* putRet(TypeFunction* tf, llvm::Value* v);
40
41 virtual bool returnInArg(Type* t) = 0;
42 virtual bool passByRef(Type* t) = 0;
43
44 protected:
45 std::vector<ABIRetRewrite*> retOps;
46 ABIRetRewrite* findRetRewrite(TypeFunction* tf);
47 };
48
49 #endif