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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.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179933 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2013-04-20 07:29:34 +00:00
parent 444e33e898
commit cd949714eb
1 changed files with 1 additions and 1 deletions
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2
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)
if (BinaryOperator *BI = dyn_cast<BinaryOperator>(CI->getOperand(i)))
Changed |= tryToVectorize(BI, R);
Changed |= tryToVectorizePair(BI->getOperand(0), BI->getOperand(1), R);
continue;
}
}