From: Sebastian Pop <sebpop@gmail.com>
Date: Thu, 4 Aug 2016 01:59:42 +0000 (+0000)
Subject: GVN-hoist: enable by default
X-Git-Tag: llvmorg-4.0.0-rc1~13371
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=70ffe6523f1b94c134fcc8d285ee58eeb574dd9f;p=platform%2Fupstream%2Fllvm.git

GVN-hoist: enable by default

As we addressed all compilation time problems with GVN-hoist
https://llvm.org/bugs/show_bug.cgi?id=28670
this patch turns GVN-hoist back by default.

Differential Revision: https://reviews.llvm.org/D23136

llvm-svn: 277685
---

diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 99fb422..2bf8870 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -138,8 +138,8 @@ static cl::opt<int> PreInlineThreshold(
              "(default = 75)"));
 
 static cl::opt<bool> EnableGVNHoist(
-    "enable-gvn-hoist", cl::init(false), cl::Hidden,
-    cl::desc("Enable the experimental GVN Hoisting pass"));
+    "enable-gvn-hoist", cl::init(true), cl::Hidden,
+    cl::desc("Enable the GVN hoisting pass (default = on)"));
 
 PassManagerBuilder::PassManagerBuilder() {
     OptLevel = 2;