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LoopUnswitch does not preserve dominator info in all cases.
author
Devang Patel
<dpatel@apple.com>
Thu, 3 Jul 2008 05:55:03 +0000
(
05:55
+0000)
committer
Devang Patel
<dpatel@apple.com>
Thu, 3 Jul 2008 05:55:03 +0000
(
05:55
+0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53085
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/Scalar/LoopUnswitch.cpp
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diff --git
a/lib/Transforms/Scalar/LoopUnswitch.cpp
b/lib/Transforms/Scalar/LoopUnswitch.cpp
index b6c6e03609d905df69db0fccce3bf7915c6383cd..f57b7bb5194043fc6fb8ccc383720b099a0ace31 100644
(file)
--- 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: