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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 | 698852561cbb460a65b200a954c923a682ccb31c (patch) | |
| tree | f3bbaed0a1224b946a63bd51e2d108a6c0d252bd /llvm | |
| parent | bb97ac4dce2bb1ecf5b0a9d8d438598060eac55e (diff) | |
| download | bcm5719-llvm-698852561cbb460a65b200a954c923a682ccb31c.tar.gz bcm5719-llvm-698852561cbb460a65b200a954c923a682ccb31c.zip | |
Loop Rotation pass preserves dominator tree and frontier.
llvm-svn: 40603
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopRotation.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp index d35a8edd3c4..a9c3fb9533f 100644 --- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp +++ b/llvm/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 |
