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| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-01 01:59:31 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-01 01:59:31 +0000 |
| commit | 2578ba26e72e36dde64be0f52a2788480aad3378 (patch) | |
| tree | cff0b3ae5b241d3ad9f268cdf515d8cff4f3aada /lib/Target/PowerPC | |
| parent | 5bcc8bd0c60cfe583ee47852950aad9e532c932e (diff) | |
| download | external_llvm-2578ba26e72e36dde64be0f52a2788480aad3378.zip external_llvm-2578ba26e72e36dde64be0f52a2788480aad3378.tar.gz external_llvm-2578ba26e72e36dde64be0f52a2788480aad3378.tar.bz2 | |
Handle IMPLICIT_DEF with isUndef operand marker, part 2. This patch moves the code to annotate machineoperands to LiveIntervalAnalysis. It also add markers for implicit_def that define physical registers. The rest, is just a lot of details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74580 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 778f034..0aafe22 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -691,16 +691,21 @@ MachineInstr *PPCInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STW)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LWZ)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if ((Opc == PPC::OR8 && @@ -708,48 +713,63 @@ MachineInstr *PPCInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STD)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LD)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if (Opc == PPC::FMRD) { if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STFD)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LFD)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if (Opc == PPC::FMRS) { if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STFS)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LFS)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } |