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-rw-r--r--llvm/lib/CodeGen/LiveRangeEdit.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp
index 643370f..7b7b545 100644
--- a/llvm/lib/CodeGen/LiveRangeEdit.cpp
+++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp
@@ -414,7 +414,7 @@ void LiveRangeEdit::eliminateDeadDef(MachineInstr *MI, ToShrinkSet &ToShrink) {
DeadRemats->insert(MI);
const TargetRegisterInfo &TRI = *MRI.getTargetRegisterInfo();
MI->substituteRegister(Dest, NewLI.reg(), 0, TRI);
- MI->getOperand(0).setIsDead(true);
+ assert(MI->registerDefIsDead(NewLI.reg(), &TRI));
} else {
if (TheDelegate)
TheDelegate->LRE_WillEraseInstruction(MI);