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Enable the loop vectorizer only on O2 and above. (Still disabled by default)
author
Nadav Rotem
<nrotem@apple.com>
Mon, 10 Dec 2012 21:45:01 +0000
(21:45 +0000)
committer
Nadav Rotem
<nrotem@apple.com>
Mon, 10 Dec 2012 21:45:01 +0000
(21:45 +0000)
llvm-svn: 169774
llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
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diff --git
a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index
ee315a3
..
a9a9f2e
100644
(file)
--- a/
llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/
llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@
-188,7
+188,7
@@
void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
MPM.add(createLoopDeletionPass()); // Delete dead loops
- if (LoopVectorize)
+ if (LoopVectorize
&& OptLevel > 1
)
MPM.add(createLoopVectorizePass());
if (!DisableUnrollLoops)