GVN-hoist: enable by default

llvm-svn: 278010

diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 99fb422..2bf8870 100644 (file)
--- 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;

diff --git a/llvm/test/Feature/optnone-opt.ll b/llvm/test/Feature/optnone-opt.ll
index f53877d..a00013e 100644 (file)
--- a/llvm/test/Feature/optnone-opt.ll
+++ b/llvm/test/Feature/optnone-opt.ll
@@ -41,6 +41,7 @@ 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'