Revert "Turn LoopLoadElimination on again"

This reverts commit r263472.

There is an LNT failure on clang-ppc64be-linux-lnt.  Turn this off,
while I am investigating.

llvm-svn: 263485
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 80c9347..3bc9cd5 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -105,8 +105,8 @@
         "Enable the GlobalsModRef AliasAnalysis outside of the LTO pipeline."));
 
 static cl::opt<bool> EnableLoopLoadElim(
-    "enable-loop-load-elim", cl::init(true), cl::Hidden,
-    cl::desc("Enable the LoopLoadElimination Pass"));
+    "enable-loop-load-elim", cl::init(false), cl::Hidden,
+    cl::desc("Enable the new, experimental LoopLoadElimination Pass"));
 
 static cl::opt<std::string> RunPGOInstrGen(
     "profile-generate", cl::init(""), cl::Hidden,