[llvm] r277690 - Revert "GVN-hoist: enable by default" & "Make GVN Hoisting obey optnone/bisect."

[Bruno Cardoso Lopes via llvm-commits]

Author: bruno
Date: Wed Aug  3 23:16:24 2016
New Revision: 277690

URL: http://llvm.org/viewvc/llvm-project?rev=277690&view=rev
Log:
Revert "GVN-hoist: enable by default" & "Make GVN Hoisting obey optnone/bisect."

This reverts commits r277685 & r277688. r277685 broke compiler-rt
compilation http://lab.llvm.org:8080/green/job/clang-stage1-configure-RA_build/23335
and r277685 is a followup from it.

Modified:
    llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
    llvm/trunk/test/Feature/optnone-opt.ll

Modified: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp?rev=277690&r1=277689&r2=277690&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Wed Aug  3 23:16:24 2016
@@ -138,8 +138,8 @@ static cl::opt<int> PreInlineThreshold(
              "(default = 75)"));
 
 static cl::opt<bool> EnableGVNHoist(
-    "enable-gvn-hoist", cl::init(true), cl::Hidden,
-    cl::desc("Enable the GVN hoisting pass (default = on)"));
+    "enable-gvn-hoist", cl::init(false), cl::Hidden,
+    cl::desc("Enable the experimental GVN Hoisting pass"));
 
 PassManagerBuilder::PassManagerBuilder() {
     OptLevel = 2;

Modified: llvm/trunk/test/Feature/optnone-opt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Feature/optnone-opt.ll?rev=277690&r1=277689&r2=277690&view=diff
==============================================================================
--- llvm/trunk/test/Feature/optnone-opt.ll (original)
+++ llvm/trunk/test/Feature/optnone-opt.ll Wed Aug  3 23:16:24 2016
@@ -41,7 +41,6 @@ attributes #0 = { optnone noinline }
 ; OPT-O1-DAG: Skipping pass 'Combine redundant instructions'
 ; OPT-O1-DAG: Skipping pass 'Dead Store Elimination'
 ; OPT-O1-DAG: Skipping pass 'Early CSE'
-; OPT-O1-DAG: Skipping pass 'Early GVN Hoisting of Expressions'
 ; OPT-O1-DAG: Skipping pass 'Jump Threading'
 ; OPT-O1-DAG: Skipping pass 'MemCpy Optimization'
 ; OPT-O1-DAG: Skipping pass 'Reassociate expressions'