Revert "[WebAssembly] Added default stack-only instruction mode for MC."

This reverts commit 917a99b71ce21c975be7bfbf66f4040f965d9f3c.

llvm-svn: 339630
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
index 1c69dcc..7c10f02 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
@@ -317,6 +317,9 @@
   // converted into a local.
   addPass(createWebAssemblyFixIrreducibleControlFlow());
 
+  // Insert explicit get_local and set_local operators.
+  addPass(createWebAssemblyExplicitLocals());
+
   // Do various transformations for exception handling
   addPass(createWebAssemblyLateEHPrepare());
 
@@ -334,9 +337,6 @@
   if (getOptLevel() != CodeGenOpt::None)
     addPass(createWebAssemblyPeephole());
 
-  // Insert explicit get_local and set_local operators.
-  addPass(createWebAssemblyExplicitLocals());
-
   // Create a mapping from LLVM CodeGen virtual registers to wasm registers.
   addPass(createWebAssemblyRegNumbering());
 }