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Avoid creating %physreg:subidx operands in SimpleRegisterCoalescing::RemoveCopyByCommutingDef.

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This fixes PR7602.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-07-09 05:56:21 +00:00
parent 846a31881f
commit 8154f96f44
1 changed files with 4 additions and 1 deletions
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5
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -460,7 +460,10 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(const CoalescerPair &CP,
LiveInterval::iterator ULR = IntA.FindLiveRangeContaining(UseIdx);
if (ULR == IntA.end() || ULR->valno != AValNo)
continue;
UseMO.setReg(NewReg);
if (TargetRegisterInfo::isPhysicalRegister(NewReg))
UseMO.substPhysReg(NewReg, *tri_);
else
UseMO.setReg(NewReg);
if (UseMI == CopyMI)
continue;
if (UseMO.isKill()) {