diff options
Diffstat (limited to 'lib/CodeGen/VirtRegRewriter.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegRewriter.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp index 7e060c0..107c19a 100644 --- a/lib/CodeGen/VirtRegRewriter.cpp +++ b/lib/CodeGen/VirtRegRewriter.cpp @@ -495,7 +495,7 @@ static bool InvalidateRegDef(MachineBasicBlock::iterator I, MachineOperand *DefOp = NULL; for (unsigned i = 0, e = DefMI->getNumOperands(); i != e; ++i) { MachineOperand &MO = DefMI->getOperand(i); - if (!MO.isReg() || MO.isUse() || !MO.isKill() || MO.isUndef()) + if (!MO.isReg() || !MO.isUse() || !MO.isKill() || MO.isUndef()) continue; if (MO.getReg() == Reg) DefOp = &MO; @@ -2258,7 +2258,7 @@ private: // eliminate this or else the undef marker is lost and it will // confuses the scavenger. This is extremely rare. unsigned Src, Dst, SrcSR, DstSR; - if (TII->isIdentityCopy(MI, Src, Dst, SrcSR, DstSR) && + if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst && !MI.findRegisterUseOperand(Src)->isUndef()) { ++NumDCE; DEBUG(errs() << "Removing now-noop copy: " << MI); @@ -2347,7 +2347,7 @@ private: // instruction before considering the dest reg to be changed. { unsigned Src, Dst, SrcSR, DstSR; - if (TII->isIdentityCopy(MI, Src, Dst, SrcSR, DstSR)) { + if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst) { ++NumDCE; DEBUG(errs() << "Removing now-noop copy: " << MI); InvalidateKills(MI, TRI, RegKills, KillOps); |