diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp | 15 | ||||
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrInfo.h | 3 |
2 files changed, 11 insertions, 7 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp index 4019fc45158..4c65899024e 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp +++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp @@ -131,7 +131,8 @@ void SystemZInstrInfo::expandRIEPseudo(MachineInstr &MI, unsigned LowOpcode, MI.setDesc(get(LowOpcodeK)); else { emitGRX32Move(*MI.getParent(), MI, MI.getDebugLoc(), DestReg, SrcReg, - SystemZ::LR, 32, MI.getOperand(1).isKill()); + SystemZ::LR, 32, MI.getOperand(1).isKill(), + MI.getOperand(1).isUndef()); MI.setDesc(get(DestIsHigh ? HighOpcode : LowOpcode)); MI.getOperand(1).setReg(DestReg); MI.tieOperands(0, 1); @@ -187,7 +188,7 @@ void SystemZInstrInfo::expandZExtPseudo(MachineInstr &MI, unsigned LowOpcode, unsigned Size) const { emitGRX32Move(*MI.getParent(), MI, MI.getDebugLoc(), MI.getOperand(0).getReg(), MI.getOperand(1).getReg(), LowOpcode, - Size, MI.getOperand(1).isKill()); + Size, MI.getOperand(1).isKill(), MI.getOperand(1).isUndef()); MI.eraseFromParent(); } @@ -231,7 +232,8 @@ void SystemZInstrInfo::emitGRX32Move(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, unsigned LowLowOpcode, - unsigned Size, bool KillSrc) const { + unsigned Size, bool KillSrc, + bool UndefSrc) const { unsigned Opcode; bool DestIsHigh = isHighReg(DestReg); bool SrcIsHigh = isHighReg(SrcReg); @@ -243,13 +245,13 @@ void SystemZInstrInfo::emitGRX32Move(MachineBasicBlock &MBB, Opcode = SystemZ::RISBLH; else { BuildMI(MBB, MBBI, DL, get(LowLowOpcode), DestReg) - .addReg(SrcReg, getKillRegState(KillSrc)); + .addReg(SrcReg, getKillRegState(KillSrc) | getUndefRegState(UndefSrc)); return; } unsigned Rotate = (DestIsHigh != SrcIsHigh ? 32 : 0); BuildMI(MBB, MBBI, DL, get(Opcode), DestReg) .addReg(DestReg, RegState::Undef) - .addReg(SrcReg, getKillRegState(KillSrc)) + .addReg(SrcReg, getKillRegState(KillSrc) | getUndefRegState(UndefSrc)) .addImm(32 - Size).addImm(128 + 31).addImm(Rotate); } @@ -814,7 +816,8 @@ void SystemZInstrInfo::copyPhysReg(MachineBasicBlock &MBB, } if (SystemZ::GRX32BitRegClass.contains(DestReg, SrcReg)) { - emitGRX32Move(MBB, MBBI, DL, DestReg, SrcReg, SystemZ::LR, 32, KillSrc); + emitGRX32Move(MBB, MBBI, DL, DestReg, SrcReg, SystemZ::LR, 32, KillSrc, + false); return; } diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.h b/llvm/lib/Target/SystemZ/SystemZInstrInfo.h index 794b193a501..d44ce719b7f 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.h +++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.h @@ -151,7 +151,8 @@ class SystemZInstrInfo : public SystemZGenInstrInfo { void expandLoadStackGuard(MachineInstr *MI) const; void emitGRX32Move(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, - unsigned LowLowOpcode, unsigned Size, bool KillSrc) const; + unsigned LowLowOpcode, unsigned Size, bool KillSrc, + bool UndefSrc) const; virtual void anchor(); protected: |
