From 6820f391eba0beb7d0da48c3a3a746ac19bba4d9 Mon Sep 17 00:00:00 2001
From: Adam Nemet <anemet@apple.com>
Date: Tue, 28 Mar 2017 23:46:08 +0000
Subject: [SDAG] Add AllowContract to SNodeFlags

Properly propagate the FMF from the LLVM IR to this flag.

This is toward moving fp-contraction=fast from an LLVM TargetOption to a
FastMathFlag in order to fix PR25721.

Differential Revision: https://reviews.llvm.org/D31165

llvm-svn: 298961
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 9a4d44842ea..8501f327d53 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2588,6 +2588,7 @@ void SelectionDAGBuilder::visitBinary(const User &I, unsigned OpCode) {
   Flags.setVectorReduction(vec_redux);
   if (EnableFMFInDAG) {
     Flags.setAllowReciprocal(FMF.allowReciprocal());
+    Flags.setAllowContract(FMF.allowContract());
     Flags.setNoInfs(FMF.noInfs());
     Flags.setNoNaNs(FMF.noNaNs());
     Flags.setNoSignedZeros(FMF.noSignedZeros());
-- 
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