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author | Dan Gohman <gohman@apple.com> | 2010-02-08 20:27:50 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-02-08 20:27:50 +0000 |
commit | 1797ed50f488f2030f9f9a0ac7426262abf5220a (patch) | |
tree | 8692733d172d88c97ca7b658d0986ecafcbc86b6 /lib/Target/PowerPC/PPCRegisterInfo.cpp | |
parent | 7edd8e38c4ad710cd5158de2ffa8eb92b4527375 (diff) | |
download | external_llvm-1797ed50f488f2030f9f9a0ac7426262abf5220a.zip external_llvm-1797ed50f488f2030f9f9a0ac7426262abf5220a.tar.gz external_llvm-1797ed50f488f2030f9f9a0ac7426262abf5220a.tar.bz2 |
Rename the PerformTailCallOpt variable to GuaranteedTailCallOpt to reflect
its current purpose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95564 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
-rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 0c3c8eb..ad2cdcf 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -406,7 +406,7 @@ PPCRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const { static bool needsFP(const MachineFunction &MF) { const MachineFrameInfo *MFI = MF.getFrameInfo(); return NoFramePointerElim || MFI->hasVarSizedObjects() || - (PerformTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall()); + (GuaranteedTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall()); } static bool spillsCR(const MachineFunction &MF) { @@ -486,7 +486,7 @@ static bool MustSaveLR(const MachineFunction &MF, unsigned LR) { void PPCRegisterInfo:: eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const { - if (PerformTailCallOpt && I->getOpcode() == PPC::ADJCALLSTACKUP) { + if (GuaranteedTailCallOpt && I->getOpcode() == PPC::ADJCALLSTACKUP) { // Add (actually subtract) back the amount the callee popped on return. if (int CalleeAmt = I->getOperand(1).getImm()) { bool is64Bit = Subtarget.isPPC64(); @@ -1050,7 +1050,7 @@ PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, // Reserve stack space to move the linkage area to in case of a tail call. int TCSPDelta = 0; - if (PerformTailCallOpt && (TCSPDelta = FI->getTailCallSPDelta()) < 0) { + if (GuaranteedTailCallOpt && (TCSPDelta = FI->getTailCallSPDelta()) < 0) { MF.getFrameInfo()->CreateFixedObject(-1 * TCSPDelta, TCSPDelta, true, false); } @@ -1160,7 +1160,7 @@ PPCRegisterInfo::processFunctionBeforeFrameFinalized(MachineFunction &MF) // Take into account stack space reserved for tail calls. int TCSPDelta = 0; - if (PerformTailCallOpt && (TCSPDelta = PFI->getTailCallSPDelta()) < 0) { + if (GuaranteedTailCallOpt && (TCSPDelta = PFI->getTailCallSPDelta()) < 0) { LowerBound = TCSPDelta; } @@ -1575,7 +1575,7 @@ void PPCRegisterInfo::emitEpilogue(MachineFunction &MF, // The loaded (or persistent) stack pointer value is offset by the 'stwu' // on entry to the function. Add this offset back now. if (!isPPC64) { - // If this function contained a fastcc call and PerformTailCallOpt is + // If this function contained a fastcc call and GuaranteedTailCallOpt is // enabled (=> hasFastCall()==true) the fastcc call might contain a tail // call which invalidates the stack pointer value in SP(0). So we use the // value of R31 in this case. @@ -1654,7 +1654,7 @@ void PPCRegisterInfo::emitEpilogue(MachineFunction &MF, // Callee pop calling convention. Pop parameter/linkage area. Used for tail // call optimization - if (PerformTailCallOpt && RetOpcode == PPC::BLR && + if (GuaranteedTailCallOpt && RetOpcode == PPC::BLR && MF.getFunction()->getCallingConv() == CallingConv::Fast) { PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>(); unsigned CallerAllocatedAmt = FI->getMinReservedArea(); |