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Add ArrayRef constructor from None, and do the cleanups that this constructor enables

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Patch by Robert Wilhelm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181138 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dmitri Gribenko
2013-05-05 00:40:33 +00:00
parent 76be9bf67e
commit 5c332dbd30
21 changed files with 48 additions and 46 deletions
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2
lib/Transforms/Vectorize/LoopVectorize.cpp
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@@ -1231,7 +1231,7 @@ InnerLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal) {
// Mark the old scalar loop with metadata that tells us not to vectorize this
// loop again if we run into it.
MDNode *MD = MDNode::get(OldBasicBlock->getContext(), ArrayRef<Value*>());
MDNode *MD = MDNode::get(OldBasicBlock->getContext(), None);
OldBasicBlock->getTerminator()->setMetadata(AlreadyVectorizedMDName, MD);
// Some loops have a single integer induction variable, while other loops