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Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 593bbdbad7..d5160cdb2a 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -585,7 +585,8 @@ void LiveIntervals::handleRegisterDef(MachineBasicBlock *MBB,
handleVirtualRegisterDef(MBB, MI, getOrCreateInterval(reg));
else if (allocatableRegs_[reg]) {
unsigned SrcReg = 0, DestReg = 0;
- bool IsMove = tii_->isMoveInstr(*MI, SrcReg, DestReg);
+ if (!tii_->isMoveInstr(*MI, SrcReg, DestReg))
+ SrcReg = DestReg = 0;
handlePhysicalRegisterDef(MBB, MI, getOrCreateInterval(reg),
SrcReg, DestReg);