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reverting 116056: win64_params.ll may need to be conditionalized? 

llvm-svn: 116063
This commit is contained in:
Andrew Trick 2010-10-08 17:22:42 +00:00
parent 65045f2168
commit cf97db2402
2 changed files with 1 additions and 16 deletions
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6
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -1701,12 +1701,8 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain,
TotalNumXMMRegs = 0;
if (IsWin64) {
const TargetFrameInfo &TFI = *getTargetMachine().getFrameInfo();
// Get to the caller-allocated home save location. Add 8 to account
// for the return address.
int HomeOffset = TFI.getOffsetOfLocalArea() + 8;
FuncInfo->setRegSaveFrameIndex(
MFI->CreateFixedObject(1, NumIntRegs * 8 + HomeOffset, false));
MFI->CreateFixedObject(1, NumIntRegs * 8, false));
FuncInfo->setVarArgsFrameIndex(FuncInfo->getRegSaveFrameIndex());
} else {
// For X86-64, if there are vararg parameters that are passed via

11
llvm/test/CodeGen/X86/win64_params.ll
View File

@ -1,11 +0,0 @@
; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
; Verify that the 5th and 6th parameters are coming from the correct location
; on the stack.
define i32 @f6(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize {
entry:
; CHECK: movl 80(%rsp), %eax
; CHECK: addl 72(%rsp), %eax
%add = add nsw i32 %p6, %p5
ret i32 %add
}