diff options
Diffstat (limited to 'lib/CodeGen/PreAllocSplitting.cpp')
| -rw-r--r-- | lib/CodeGen/PreAllocSplitting.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp index 8784dc965c..fbe99188cc 100644 --- a/lib/CodeGen/PreAllocSplitting.cpp +++ b/lib/CodeGen/PreAllocSplitting.cpp @@ -677,10 +677,12 @@ void PreAllocSplitting::ReconstructLiveInterval(LiveInterval* LI) { // If the def is a move, set the copy field. unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx; - if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) + if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) { if (DstReg == LI->reg) NewVN->setCopy(&*DI); - + } else if (DI->isCopyLike() && DI->getOperand(0).getReg() == LI->reg) + NewVN->setCopy(&*DI); + NewVNs[&*DI] = NewVN; } |