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-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index c2610dc15d..404cf76fad 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1292,7 +1292,11 @@ private:
MachineBasicBlock::iterator MII(MI);
++MII;
MachineBasicBlock* MBB = MI->getParent();
- for (; MII != MBB->end() && LIS.getInstructionIndex(MII) < OldIdx; ++MII){
+ for (; MII != MBB->end(); ++MII){
+ if (MII->isDebugValue())
+ continue;
+ if (LIS.getInstructionIndex(MII) < OldIdx)
+ break;
for (MachineInstr::mop_iterator MOI = MII->operands_begin(),
MOE = MII->operands_end();
MOI != MOE; ++MOI) {