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LoopVectorizer: When -Os is used, vectorize only loops that dont require a tail loop. There is no testcase because I dont know of a way to initialize the loop vectorizer pass without adding an additional hidden flag.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169950 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2012-12-12 01:11:46 +00:00
parent 61f4dfe369
commit 5da804150d
6 changed files with 69 additions and 30 deletions
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4
lib/Transforms/Vectorize/Vectorize.cpp
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@ -1,4 +1,4 @@
//===-- Vectorize.cpp -----------------------------------------------------===//
//===-- Vectorize.cpp -----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
@ -39,5 +39,5 @@ void LLVMAddBBVectorizePass(LLVMPassManagerRef PM) {
}
void LLVMAddLoopVectorizePass(LLVMPassManagerRef PM) {
unwrap(PM)->add(createLoopVectorizePass());
unwrap(PM)->add(createLoopVectorizePass(0));
}