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-rw-r--r--lib/CodeGen/PreAllocSplitting.cpp6
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index fb2f909355..4cbd53a834 100644
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -676,11 +676,7 @@ void PreAllocSplitting::ReconstructLiveInterval(LiveInterval* LI) {
VNInfo* NewVN = LI->getNextValue(DefIdx, 0, true, Alloc);
// If the def is a move, set the copy field.
- unsigned 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)
+ if (DI->isCopyLike() && DI->getOperand(0).getReg() == LI->reg)
NewVN->setCopy(&*DI);
NewVNs[&*DI] = NewVN;