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-rw-r--r--llvm/lib/CodeGen/ReachingDefAnalysis.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
index 34e9a2f..1264e60 100644
--- a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
+++ b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
@@ -397,8 +397,7 @@ void ReachingDefAnalysis::getGlobalUses(MachineInstr *MI, MCRegister PhysReg,
SmallVector<MachineBasicBlock *, 4> ToVisit(MBB->successors());
SmallPtrSet<MachineBasicBlock*, 4>Visited;
while (!ToVisit.empty()) {
- MachineBasicBlock *MBB = ToVisit.back();
- ToVisit.pop_back();
+ MachineBasicBlock *MBB = ToVisit.pop_back_val();
if (Visited.count(MBB) || !MBB->isLiveIn(PhysReg))
continue;
if (getLiveInUses(MBB, PhysReg, Uses))