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x86: Rename NumBytesForCalleeToPush to ...Pop for accuracy

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If we have a callee cleanup convention, the callee is going to pop the
arguments off the stack, not push them on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200566 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner 2014-01-31 19:07:18 +00:00
parent fa2c38470c
commit 4fa3492f97
1 changed files with 5 additions and 5 deletions
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10
lib/Target/X86/X86ISelLowering.cpp
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@ -2913,10 +2913,10 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
InFlag = Chain.getValue(1);
// Create the CALLSEQ_END node.
unsigned NumBytesForCalleeToPush;
unsigned NumBytesForCalleeToPop;
if (X86::isCalleePop(CallConv, Is64Bit, isVarArg,
getTargetMachine().Options.GuaranteedTailCallOpt))
NumBytesForCalleeToPush = NumBytes; // Callee pops everything
NumBytesForCalleeToPop = NumBytes; // Callee pops everything
else if (!Is64Bit && !IsTailCallConvention(CallConv) &&
!Subtarget->getTargetTriple().isOSMSVCRT() &&
SR == StackStructReturn)
@ -2924,15 +2924,15 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
// pops the hidden struct pointer, so we have to push it back.
// This is common for Darwin/X86, Linux & Mingw32 targets.
// For MSVC Win32 targets, the caller pops the hidden struct pointer.
NumBytesForCalleeToPush = 4;
NumBytesForCalleeToPop = 4;
else
NumBytesForCalleeToPush = 0; // Callee pops nothing.
NumBytesForCalleeToPop = 0; // Callee pops nothing.
// Returns a flag for retval copy to use.
if (!IsSibcall) {
Chain = DAG.getCALLSEQ_END(Chain,
DAG.getIntPtrConstant(NumBytes, true),
DAG.getIntPtrConstant(NumBytesForCalleeToPush,
DAG.getIntPtrConstant(NumBytesForCalleeToPop,
true),
InFlag, dl);
InFlag = Chain.getValue(1);