Reinstate "Nuke the old JIT."
Approved by Jim Grosbach, Lang Hames, Rafael Espindola.

This reinstates commits r215111, 215115, 215116, 215117, 215136.

llvm-svn: 216982
diff --git a/llvm/test/ExecutionEngine/MCJIT/test-loop.ll b/llvm/test/ExecutionEngine/MCJIT/test-loop.ll
index 5ed8c40..e951a14 100644
--- a/llvm/test/ExecutionEngine/MCJIT/test-loop.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/test-loop.ll
@@ -1,4 +1,4 @@
-; RUN: %lli_mcjit %s > /dev/null
+; RUN: %lli %s > /dev/null
 
 define i32 @main() {
 ; <label>:0