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| author | Evan Cheng <evan.cheng@apple.com> | 2010-04-21 03:18:23 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-04-21 03:18:23 +0000 |
| commit | e566763b1915c7a4821ce95937b763724d271fec (patch) | |
| tree | a360b0044ed2847396555f4ea4c4585c916a45ec /lib/Target/PowerPC | |
| parent | 5528e7bcb1209094a68bbf6d1efeefc3ca34774f (diff) | |
| download | external_llvm-e566763b1915c7a4821ce95937b763724d271fec.zip external_llvm-e566763b1915c7a4821ce95937b763724d271fec.tar.gz external_llvm-e566763b1915c7a4821ce95937b763724d271fec.tar.bz2 | |
Implement -disable-non-leaf-fp-elim which disable frame pointer elimination
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101984 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 2 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 894436c..b825d64 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -5531,7 +5531,7 @@ SDValue PPCTargetLowering::LowerFRAMEADDR(SDValue Op, MachineFunction &MF = DAG.getMachineFunction(); MachineFrameInfo *MFI = MF.getFrameInfo(); - bool is31 = (NoFramePointerElim || MFI->hasVarSizedObjects()) + bool is31 = (DisableFramePointerElim(MF) || MFI->hasVarSizedObjects()) && MFI->getStackSize(); if (isPPC64) diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 889acde..8048df2 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -409,7 +409,7 @@ PPCRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const { // static bool needsFP(const MachineFunction &MF) { const MachineFrameInfo *MFI = MF.getFrameInfo(); - return NoFramePointerElim || MFI->hasVarSizedObjects() || + return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects() || (GuaranteedTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall()); } |