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path: root/lib/CodeGen/ScheduleDAGInstrs.cpp
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-rw-r--r--lib/CodeGen/ScheduleDAGInstrs.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index e9e53d58cc9..ac4468f749e 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -776,7 +776,8 @@ void ScheduleDAGInstrs::buildSchedGraph(AliasAnalysis *AA,
if (PDiffs != nullptr)
PDiffs->addInstruction(SU->NodeNum, RegOpers, MRI);
- RPTracker->recedeSkipDebugValues();
+ if (RPTracker->getPos() == RegionEnd || &*RPTracker->getPos() != &MI)
+ RPTracker->recedeSkipDebugValues();
assert(&*RPTracker->getPos() == &MI && "RPTracker in sync");
RPTracker->recede(RegOpers);
}