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-rw-r--r--lib/Transforms/Utils/BreakCriticalEdges.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 5253b609b8..2f91e57590 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -39,6 +39,7 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addPreserved<ETForest>();
AU.addPreserved<ImmediateDominators>();
+ AU.addPreserved<DominatorTree>();
AU.addPreserved<DominanceFrontier>();
AU.addPreserved<LoopInfo>();