From b21c3db9204e6c45b7aca16e612e0d4a6e559ec5 Mon Sep 17 00:00:00 2001 From: NAKAMURA Takumi Date: Sat, 5 Feb 2011 15:11:13 +0000 Subject: lib/Target/X86/X86ISelLowering.cpp: Introduce a new variable "IsWin64". No functional changes. llvm-svn: 124948 --- llvm/lib/Target/X86/X86ISelLowering.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'llvm/lib/Target/X86') diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 9c9922cdf84..69295f847ce 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -1838,6 +1838,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee, SmallVectorImpl &InVals) const { MachineFunction &MF = DAG.getMachineFunction(); bool Is64Bit = Subtarget->is64Bit(); + bool IsWin64 = Subtarget->isTargetWin64(); bool IsStructRet = CallIsStructReturn(Outs); bool IsSibcall = false; @@ -1945,7 +1946,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee, if (VA.isRegLoc()) { RegsToPass.push_back(std::make_pair(VA.getLocReg(), Arg)); - if (isVarArg && Subtarget->isTargetWin64()) { + if (isVarArg && IsWin64) { // Win64 ABI requires argument XMM reg to be copied to the corresponding // shadow reg if callee is a varargs function. unsigned ShadowReg = 0; @@ -2011,7 +2012,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee, } } - if (Is64Bit && isVarArg && !Subtarget->isTargetWin64()) { + if (Is64Bit && isVarArg && !IsWin64) { // From AMD64 ABI document: // For calls that may call functions that use varargs or stdargs // (prototype-less calls or calls to functions containing ellipsis (...) in @@ -2186,7 +2187,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee, Ops.push_back(DAG.getRegister(X86::EBX, getPointerTy())); // Add an implicit use of AL for non-Windows x86 64-bit vararg functions. - if (Is64Bit && isVarArg && !Subtarget->isTargetWin64()) + if (Is64Bit && isVarArg && !IsWin64) Ops.push_back(DAG.getRegister(X86::AL, MVT::i8)); if (InFlag.getNode()) -- cgit v1.2.3