diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index c07970d69b..62d6306343 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -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 && |