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Skip debug info in a couple of places.

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llvm-svn: 95814
This commit is contained in:
Dale Johannesen 2010-02-10 21:47:48 +00:00
parent b288ec36ae
commit 9d9478a53a
1 changed files with 7 additions and 3 deletions
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10
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -451,11 +451,11 @@ MachineInstr *findOnlyInterestingUse(unsigned Reg, MachineBasicBlock *MBB,
const TargetInstrInfo *TII,
bool &IsCopy,
unsigned &DstReg, bool &IsDstPhys) {
MachineRegisterInfo::use_iterator UI = MRI->use_begin(Reg);
if (UI == MRI->use_end())
MachineRegisterInfo::use_nodbg_iterator UI = MRI->use_nodbg_begin(Reg);
if (UI == MRI->use_nodbg_end())
return 0;
MachineInstr &UseMI = *UI;
if (++UI != MRI->use_end())
if (++UI != MRI->use_nodbg_end())
// More than one use.
return 0;
if (UseMI.getParent() != MBB)
@ -923,6 +923,10 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
for (MachineBasicBlock::iterator mi = mbbi->begin(), me = mbbi->end();
mi != me; ) {
MachineBasicBlock::iterator nmi = llvm::next(mi);
if (mi->isDebugValue()) {
mi = nmi;
continue;
}
const TargetInstrDesc &TID = mi->getDesc();
bool FirstTied = true;