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-rw-r--r--lib/Transforms/Scalar/LoopUnswitch.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index b6c6e03609..f57b7bb519 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -112,8 +112,9 @@ namespace {
AU.addPreserved<LoopInfo>();
AU.addRequiredID(LCSSAID);
AU.addPreservedID(LCSSAID);
- AU.addPreserved<DominatorTree>();
- AU.addPreserved<DominanceFrontier>();
+ // FIXME: Loop Unswitch does not preserve dominator info in all cases.
+ // AU.addPreserved<DominatorTree>();
+ // AU.addPreserved<DominanceFrontier>();
}
private: