From f6bb6a464cd40e3e09634b3bad7bca604d3498a1 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Sun, 21 Jul 2013 06:12:57 +0000 Subject: Revert a part of r186420. Don't forbid multiple store chains that merge. llvm-svn: 186786 --- llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp') diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 934ab3ec9b1..c1ba57b55c9 100644 --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/llvm/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])) { -- cgit v1.2.3