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| author | Dan Gohman <gohman@apple.com> | 2009-02-23 16:29:41 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-02-23 16:29:41 +0000 |
| commit | 42987f528a5f83276bb205a8aa7e6731c9691324 (patch) | |
| tree | 7c2e521ac74f62c9f6eed9b791d48aef55c73e4d /llvm/lib/Transforms | |
| parent | 59bf35e44af37567ae94db37dc5020cfdf11fe64 (diff) | |
| download | bcm5719-llvm-42987f528a5f83276bb205a8aa7e6731c9691324.tar.gz bcm5719-llvm-42987f528a5f83276bb205a8aa7e6731c9691324.zip | |
IndVarSimplify preserves ScalarEvolution. In the
-std-compile-opts sequence, this avoids the need for ScalarEvolution to
be rerun before LoopDeletion.
llvm-svn: 65318
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index 3e9615c849a..1207dbf8e34 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -81,6 +81,7 @@ namespace { AU.addRequiredID(LCSSAID); AU.addRequiredID(LoopSimplifyID); AU.addRequired<LoopInfo>(); + AU.addPreserved<ScalarEvolution>(); AU.addPreservedID(LoopSimplifyID); AU.addPreservedID(LCSSAID); AU.setPreservesCFG(); |
