From: Nadav Rotem <nrotem@apple.com>
Date: Wed, 26 Jun 2013 23:43:23 +0000 (+0000)
Subject: SLP: Dont erase instructions during vectorization because it prevents the outerloops... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1e1c694dcd934aa63a0b1e27e01293dcfc610f40;p=oota-llvm.git

SLP: Dont erase instructions during vectorization because it prevents the outerloops from iterating over the instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185040 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 33d1100ebc7..3c1dc78bc40 100644
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -1258,8 +1258,6 @@ Value *FuncSLP::vectorizeArith(ArrayRef<Value *> Operands) {
   for (unsigned i = 0, e = Operands.size(); i != e; ++i) {
     Value *S = Builder.CreateExtractElement(Vec, Builder.getInt32(i));
     Operands[i]->replaceAllUsesWith(S);
-    Instruction *I = cast<Instruction>(Operands[i]);
-    I->eraseFromParent();
   }
 
   return Vec;