diff options
Diffstat (limited to 'lib/Target/Sparc/SparcInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Sparc/SparcInstrInfo.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp index d2f6b9b..12c286a 100644 --- a/lib/Target/Sparc/SparcInstrInfo.cpp +++ b/lib/Target/Sparc/SparcInstrInfo.cpp @@ -256,17 +256,20 @@ MachineInstr *SparcInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // COPY -> STORE unsigned SrcReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = BuildMI(MF, MI->getDebugLoc(), get(isFloat ? SP::STFri : SP::STDFri)) .addFrameIndex(FI) .addImm(0) - .addReg(SrcReg, getKillRegState(isKill)); + .addReg(SrcReg, getKillRegState(isKill) | getUndefRegState(isUndef)); } else { // COPY -> LOAD unsigned DstReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = BuildMI(MF, MI->getDebugLoc(), get(isFloat ? SP::LDFri : SP::LDDFri)) - .addReg(DstReg, RegState::Define | getDeadRegState(isDead)) + .addReg(DstReg, RegState::Define | + getDeadRegState(isDead) | getUndefRegState(isUndef)) .addFrameIndex(FI) .addImm(0); } |
