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-rw-r--r--lib/CodeGen/LiveDebugVariables.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp
index 34572f24c181c..75e3d35169cfb 100644
--- a/lib/CodeGen/LiveDebugVariables.cpp
+++ b/lib/CodeGen/LiveDebugVariables.cpp
@@ -242,8 +242,11 @@ public:
// We are storing a MachineOperand outside a MachineInstr.
locations.back().clearParent();
// Don't store def operands.
- if (locations.back().isReg())
+ if (locations.back().isReg()) {
+ if (locations.back().isDef())
+ locations.back().setIsDead(false);
locations.back().setIsUse();
+ }
return locations.size() - 1;
}