D/ldc
1
0
Fork 0
mirror of https://github.com/xomboverlord/ldc.git synced 2026-04-17 17:29:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.

Browse Source
This commit is contained in:
Tomas Lindquist Olsen
2009-03-04 17:24:25 +01:00
parent ca41cb29d9
commit 65ba1d4d88
7 changed files with 112 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
ir/irfunction.h
View File

@@ -19,33 +19,34 @@ struct IrFuncTyArg : IrBase
* May NOT be rewritten!!! */
Type* type;
/// This is the final LLVM Type used for the parameter/returnvalue type
/// This is the final LLVM Type used for the parameter/return value type
const llvm::Type* ltype;
/** These are the final llvm attributes needed
* must be valid for the LLVM Type and byref setting */
/** These are the final LLVM attributes used for the function.
* Must be valid for the LLVM Type and byref setting */
unsigned attrs;
/** true if the argument final argument is a reference argument
* must be true when the D Type is a value type, but the final
* LLVM Type is a reference type */
/** 'true' if the final LLVM argument is a LLVM reference type.
* Must be true when the D Type is a value type, but the final
* LLVM Type is a reference type! */
bool byref;
/** Pointer to the ABIRewrite structure needed to rewrite llvm ValueS
* to match the final LLVM Type */
/** Pointer to the ABIRewrite structure needed to rewrite LLVM ValueS
* to match the final LLVM Type when passing arguments and getting
* return values */
ABIRewrite* rewrite;
/// Helper to check is the 'inreg' attribute is set
/// Helper to check if the 'inreg' attribute is set
bool isInReg() const { return (attrs & llvm::Attribute::InReg) != 0; }
/// Helper to check is the 'sret' attribute is set
/// Helper to check if the 'sret' attribute is set
bool isSRet() const { return (attrs & llvm::Attribute::StructRet) != 0; }
/// Helper to check is the 'byval' attribute is set
/// Helper to check if the 'byval' attribute is set
bool isByVal() const { return (attrs & llvm::Attribute::ByVal) != 0; }
/** Constructor
* @param t D type of argument/returnvalue as known by the frontend
* @param byref Initial value for the 'byref' field. If true the initial LLVM Type will be of type->pointerTo()
*/
/** @param t D type of argument/return value as known by the frontend
* @param byref Initial value for the 'byref' field. If true the initial
* LLVM Type will be of DtoType(type->pointerTo()), instead
* of just DtoType(type) */
IrFuncTyArg(Type* t, bool byref, unsigned a = 0);
};
@@ -82,11 +83,12 @@ struct IrFuncTy : IrBase
reverseParams(false)
{}
llvm::Value* putRet(Type* dty, llvm::Value* val);
llvm::Value* getRet(Type* dty, llvm::Value* val);
llvm::Value* putRet(Type* dty, DValue* dval);
llvm::Value* getRet(Type* dty, DValue* dval);
llvm::Value* getParam(Type* dty, int idx, llvm::Value* val);
llvm::Value* putParam(Type* dty, int idx, llvm::Value* val);
llvm::Value* putParam(Type* dty, int idx, DValue* dval);
llvm::Value* getParam(Type* dty, int idx, DValue* dval);
void getParam(Type* dty, int idx, DValue* dval, llvm::Value* lval);
};
// represents a function