From 68ccbf648ea544faad29115cdda929920739e154 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Sun, 21 Jul 2013 06:12:57 +0000 Subject: [PATCH] Revert a part of r186420. Don't forbid multiple store chains that merge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186786 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Vectorize/SLPVectorizer.cpp | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp index 934ab3ec9b1..c1ba57b55c9 100644 --- a/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -1700,10 +1700,8 @@ bool SLPVectorizer::vectorizeStores(ArrayRef Stores, // Do a quadratic search on all of the given stores and find // all of the pairs of stores that follow each other. for (unsigned i = 0, e = Stores.size(); i < e; ++i) { - if (Heads.count(Stores[i])) - continue; for (unsigned j = 0; j < e; ++j) { - if (i == j || Tails.count(Stores[j])) + if (i == j) continue; if (R.isConsecutiveAccess(Stores[i], Stores[j])) {