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SLPVectorizer: Reduce the compile time by eliminating the search for some of the more expensive patterns. After this change will only check basic arithmetic trees that start at cmpinstr. 

llvm-svn: 179933
This commit is contained in:
Nadav Rotem 2013-04-20 07:29:34 +00:00
parent 998e035cae
commit ce2660d639
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -261,7 +261,7 @@ bool SLPVectorizer::vectorizeReductions(BasicBlock *BB, BoUpSLP &R) {
} }
for (int i = 0; i < 2; ++i) for (int i = 0; i < 2; ++i)
if (BinaryOperator *BI = dyn_cast<BinaryOperator>(CI->getOperand(i))) if (BinaryOperator *BI = dyn_cast<BinaryOperator>(CI->getOperand(i)))
Changed |= tryToVectorize(BI, R); Changed |= tryToVectorizePair(BI->getOperand(0), BI->getOperand(1), R);
continue; continue;
} }
} }