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| author | Devang Patel <dpatel@apple.com> | 2007-07-30 20:22:53 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2007-07-30 20:22:53 +0000 |
| commit | d6bf3d525aa5df983eb488f3800e172d11072a0f (patch) | |
| tree | f66ecb87b4ed2e61eb03d6239317621efd812148 /lib/Transforms/Scalar/LoopRotation.cpp | |
| parent | 05b6928f1f0beded4d2211aac1500fbcd148eb35 (diff) | |
| download | external_llvm-d6bf3d525aa5df983eb488f3800e172d11072a0f.tar.gz external_llvm-d6bf3d525aa5df983eb488f3800e172d11072a0f.tar.bz2 external_llvm-d6bf3d525aa5df983eb488f3800e172d11072a0f.zip | |
Loop Rotation pass preserves dominator tree and frontier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40603 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopRotation.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopRotation.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopRotation.cpp b/lib/Transforms/Scalar/LoopRotation.cpp index d35a8edd3c..a9c3fb9533 100644 --- a/lib/Transforms/Scalar/LoopRotation.cpp +++ b/lib/Transforms/Scalar/LoopRotation.cpp @@ -62,6 +62,8 @@ namespace { AU.addPreserved<LoopInfo>(); AU.addRequiredID(LoopSimplifyID); AU.addPreservedID(LoopSimplifyID); + AU.addPreserved<DominatorTree>(); + AU.addPreserved<DominanceFrontier>(); } // Helper functions |