diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-10 18:46:15 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-10 18:46:15 +0000 |
| commit | 8e12d95d15e4140311919a3b60461817baf68ca5 (patch) | |
| tree | 00d04e22665c7081f41097f2e4fc426e9e6fae24 | |
| parent | fd2210a78dc621d3fb5c3613ff59b341041b3a4b (diff) | |
| download | llvm-8e12d95d15e4140311919a3b60461817baf68ca5.tar.gz llvm-8e12d95d15e4140311919a3b60461817baf68ca5.tar.bz2 llvm-8e12d95d15e4140311919a3b60461817baf68ca5.tar.xz | |
LoopVectorize: PHI nodes are always at the beginning of a block, no need to scan the whole block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190422 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 0afc73e509..dff3c0f2f5 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2175,7 +2175,7 @@ InnerLoopVectorizer::vectorizeLoop(LoopVectorizationLegality *Legal) { for (BasicBlock::iterator LEI = LoopExitBlock->begin(), LEE = LoopExitBlock->end(); LEI != LEE; ++LEI) { PHINode *LCSSAPhi = dyn_cast<PHINode>(LEI); - if (!LCSSAPhi) continue; + if (!LCSSAPhi) break; // All PHINodes need to have a single entry edge, or two if // we already fixed them. @@ -2208,7 +2208,7 @@ void InnerLoopVectorizer::fixLCSSAPHIs() { for (BasicBlock::iterator LEI = LoopExitBlock->begin(), LEE = LoopExitBlock->end(); LEI != LEE; ++LEI) { PHINode *LCSSAPhi = dyn_cast<PHINode>(LEI); - if (!LCSSAPhi) continue; + if (!LCSSAPhi) break; if (LCSSAPhi->getNumIncomingValues() == 1) LCSSAPhi->addIncoming(UndefValue::get(LCSSAPhi->getType()), LoopMiddleBlock); |