diff options
Diffstat (limited to 'lib/CodeGen/OptimizePHIs.cpp')
| -rw-r--r-- | lib/CodeGen/OptimizePHIs.cpp | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/lib/CodeGen/OptimizePHIs.cpp b/lib/CodeGen/OptimizePHIs.cpp index 1613fe21e4..9b7a4ea21e 100644 --- a/lib/CodeGen/OptimizePHIs.cpp +++ b/lib/CodeGen/OptimizePHIs.cpp @@ -101,16 +101,10 @@ bool OptimizePHIs::IsSingleValuePHICycle(MachineInstr *MI, MachineInstr *SrcMI = MRI->getVRegDef(SrcReg); // Skip over register-to-register moves. - unsigned MvSrcReg, MvDstReg, SrcSubIdx, DstSubIdx; - if (SrcMI && - TII->isMoveInstr(*SrcMI, MvSrcReg, MvDstReg, SrcSubIdx, DstSubIdx) && - SrcSubIdx == 0 && DstSubIdx == 0 && - TargetRegisterInfo::isVirtualRegister(MvSrcReg)) - SrcMI = MRI->getVRegDef(MvSrcReg); - else if (SrcMI && SrcMI->isCopy() && - !SrcMI->getOperand(0).getSubReg() && - !SrcMI->getOperand(1).getSubReg() && - TargetRegisterInfo::isVirtualRegister(SrcMI->getOperand(1).getReg())) + if (SrcMI && SrcMI->isCopy() && + !SrcMI->getOperand(0).getSubReg() && + !SrcMI->getOperand(1).getSubReg() && + TargetRegisterInfo::isVirtualRegister(SrcMI->getOperand(1).getReg())) SrcMI = MRI->getVRegDef(SrcMI->getOperand(1).getReg()); if (!SrcMI) return false; |