diff options
Diffstat (limited to 'lib/CodeGen/RegisterCoalescer.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index b943a271b6..8ff08836f6 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -44,7 +44,12 @@ unsigned CoalescerPair::compose(unsigned a, unsigned b) const { bool CoalescerPair::isMoveInstr(const MachineInstr *MI, unsigned &Src, unsigned &Dst, unsigned &SrcSub, unsigned &DstSub) const { - if (MI->isExtractSubreg()) { + if (MI->isCopy()) { + Dst = MI->getOperand(0).getReg(); + DstSub = MI->getOperand(0).getSubReg(); + Src = MI->getOperand(1).getReg(); + SrcSub = MI->getOperand(1).getSubReg(); + } else if (MI->isExtractSubreg()) { Dst = MI->getOperand(0).getReg(); DstSub = MI->getOperand(0).getSubReg(); Src = MI->getOperand(1).getReg(); |