diff options
| author | Bill Wendling <isanbard@gmail.com> | 2010-10-18 21:22:31 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-10-18 21:22:31 +0000 |
| commit | b41ee96d76ccf1eec2fd898def4cfd7c16868708 (patch) | |
| tree | 1e7d7ef803534136009e1c42f1c388bdc73ac0fa /lib/Target/ARM/ARMBaseInstrInfo.cpp | |
| parent | 9d28fdd7225b344789ed7f54cf51b4019763b30b (diff) | |
Don't recompute MachineRegisterInfo in the Optimize* method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116750 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMBaseInstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp index 26b4f0e54c..aca292abea 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -1490,13 +1490,13 @@ static bool isSuitableForMask(MachineInstr *&MI, unsigned SrcReg, /// iterator *only* if a transformation took place. bool ARMBaseInstrInfo:: OptimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, int CmpMask, - int CmpValue, MachineBasicBlock::iterator &MII) const { + int CmpValue, const MachineRegisterInfo *MRI, + MachineBasicBlock::iterator &MII) const { if (CmpValue != 0) return false; - MachineRegisterInfo &MRI = CmpInstr->getParent()->getParent()->getRegInfo(); - MachineRegisterInfo::def_iterator DI = MRI.def_begin(SrcReg); - if (llvm::next(DI) != MRI.def_end()) + MachineRegisterInfo::def_iterator DI = MRI->def_begin(SrcReg); + if (llvm::next(DI) != MRI->def_end()) // Only support one definition. return false; @@ -1506,8 +1506,8 @@ OptimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, int CmpMask, if (CmpMask != ~0) { if (!isSuitableForMask(MI, SrcReg, CmpMask, false)) { MI = 0; - for (MachineRegisterInfo::use_iterator UI = MRI.use_begin(SrcReg), - UE = MRI.use_end(); UI != UE; ++UI) { + for (MachineRegisterInfo::use_iterator UI = MRI->use_begin(SrcReg), + UE = MRI->use_end(); UI != UE; ++UI) { if (UI->getParent() != CmpInstr->getParent()) continue; MachineInstr *PotentialAND = &*UI; if (!isSuitableForMask(PotentialAND, SrcReg, CmpMask, true)) |