Enable noalias metadata by default and swap the order of the SLP and Loop vectorizers by default.

After some time maturing, hopefully the flags themselves will be removed.

llvm-svn: 217144
diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index f2930dc..935d6b8 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -42,7 +42,7 @@
 using namespace llvm;
 
 static cl::opt<bool>
-EnableNoAliasConversion("enable-noalias-to-md-conversion", cl::init(false),
+EnableNoAliasConversion("enable-noalias-to-md-conversion", cl::init(true),
   cl::Hidden,
   cl::desc("Convert noalias attributes to metadata during inlining."));