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Let PEI::calculateFrameObjectOffsets compute the final stack size rather than

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computing it in MipsFrameLowering::emitPrologue.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161078 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-07-31 21:28:49 +00:00
parent 1d165f1c25
commit 1d53f1bbab
3 changed files with 5 additions and 14 deletions
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11
lib/Target/Mips/MipsFrameLowering.cpp
View File

@@ -90,10 +90,6 @@ bool MipsFrameLowering::hasFP(const MachineFunction &MF) const {
MFI->hasVarSizedObjects() || MFI->isFrameAddressTaken();
}
bool MipsFrameLowering::targetHandlesStackFrameRounding() const {
return true;
}
void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
MachineBasicBlock &MBB = MF.front();
MachineFrameInfo *MFI = MF.getFrameInfo();
@@ -110,12 +106,7 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
unsigned ADDiu = STI.isABI_N64() ? Mips::DADDiu : Mips::ADDiu;
// First, compute final stack size.
unsigned StackAlign = getStackAlignment();
uint64_t StackSize = RoundUpToAlignment(MFI->getStackSize(), StackAlign);
StackSize += RoundUpToAlignment(MFI->getMaxCallFrameSize(), StackAlign);
// Update stack size
MFI->setStackSize(StackSize);
uint64_t StackSize = MFI->getStackSize();
// No need to allocate space on the stack.
if (StackSize == 0 && !MFI->adjustsStack()) return;

2
lib/Target/Mips/MipsFrameLowering.h
View File

@@ -31,8 +31,6 @@ public:
STI(sti) {
}
bool targetHandlesStackFrameRounding() const;
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const;