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Simplify by using isFullCopy().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139019 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-09-02 18:18:29 +00:00
parent d199aa012b
commit 8040e06434
1 changed files with 1 additions and 3 deletions
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4
lib/CodeGen/RegisterCoalescer.cpp
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@ -948,9 +948,7 @@ RegisterCoalescer::UpdateRegDefsUses(const CoalescerPair &CP) {
// A PhysReg copy that won't be coalesced can perhaps be rematerialized
// instead.
if (DstIsPhys) {
if (UseMI->isCopy() &&
!UseMI->getOperand(1).getSubReg() &&
!UseMI->getOperand(0).getSubReg() &&
if (UseMI->isFullCopy() &&
UseMI->getOperand(1).getReg() == SrcReg &&
UseMI->getOperand(0).getReg() != SrcReg &&
UseMI->getOperand(0).getReg() != DstReg &&