From: Nadav Rotem <nrotem@apple.com>
Date: Sat, 20 Apr 2013 07:29:34 +0000 (+0000)
Subject: SLPVectorizer: Reduce the compile time by eliminating the search for some of the... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cd949714ebfab4b6bc54d964a337c23370aab5b2;p=oota-llvm.git

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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179933 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 6f4d69e3424..3a0e9abe578 100644
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -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;
     }
   }