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One more case assuming that subregs have live ranges.

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llvm-svn: 107700
This commit is contained in:
Jakob Stoklund Olesen 2010-07-06 21:13:03 +00:00
parent a59e143fec
commit bc4a57ef56
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -499,8 +499,8 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(const CoalescerPair &CP,
if (BHasSubRegs) {
for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR) {
LiveInterval &SRLI = li_->getInterval(*SR);
const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def);
SRLI.removeValNo(SRLR->valno);
if (const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def))
SRLI.removeValNo(SRLR->valno);
}
}
IntB.removeValNo(BDeadValNos[i]);