One more case assuming that subregs have live ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-07-06 21:13:03 +00:00
parent 191d4ee342
commit 5ee99923c1

View File

@ -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]);