From b3dc774a9963a43ea828da9cf31137b7fce7cc7b Mon Sep 17 00:00:00 2001
From: Vyacheslav Klochkov <vyacheslav.n.klochkov@gmail.com>
Date: Wed, 16 Nov 2016 00:55:50 +0000
Subject: Fixed the lost FastMathFlags for CALL operations in SLPVectorizer.
 Reviewer: Michael Zolotukhin. Differential Revision:
 https://reviews.llvm.org/D26575

llvm-svn: 287064
---
 llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 1 +
 1 file changed, 1 insertion(+)

(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 6b27ac6406b..aac5aaeb12e 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -2641,6 +2641,7 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) {
         ExternalUses.push_back(ExternalUser(ScalarArg, cast<User>(V), 0));
 
       E->VectorizedValue = V;
+      propagateIRFlags(E->VectorizedValue, E->Scalars);
       ++NumVectorInstructions;
       return V;
     }
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