diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/PassManagerBuilder.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/PassManagerBuilder.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp index a067a4b4525..88e5e479136 100644 --- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -320,8 +320,8 @@ void PassManagerBuilder::populateModulePassManager( // Re-rotate loops in all our loop nests. These may have fallout out of // rotated form due to GVN or other transformations, and the vectorizer relies - // on the rotated form. - MPM.add(createLoopRotatePass()); + // on the rotated form. Disable header duplication at -Oz. + MPM.add(createLoopRotatePass(SizeLevel == 2 ? 0 : -1)); // Distribute loops to allow partial vectorization. I.e. isolate dependences // into separate loop that would otherwise inhibit vectorization. |
