From: Sanjay Patel <spatel@rotateright.com>
Date: Thu, 30 Jul 2015 21:06:55 +0000 (+0000)
Subject: enable fast-math-flag propagation to DAG nodes
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3b00227629917d5ca3850ac762fba6e4debb07d9;p=oota-llvm.git

enable fast-math-flag propagation to DAG nodes

This uncovered latent bugs previously:
http://reviews.llvm.org/D10403

...but it's time to try again because internal tests aren't finding more.

If time passes and no other bugs are reported, we can remove this cl::opt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243687 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 702e14bbcc3..22e1be94ef0 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -79,7 +79,7 @@ LimitFPPrecision("limit-float-precision",
                  cl::init(0));
 
 static cl::opt<bool>
-EnableFMFInDAG("enable-fmf-dag", cl::init(false), cl::Hidden,
+EnableFMFInDAG("enable-fmf-dag", cl::init(true), cl::Hidden,
                 cl::desc("Enable fast-math-flags for DAG nodes"));
 
 // Limit the width of DAG chains. This is important in general to prevent