[sledge] fix bug spuriously marking a register as global variable

Summary:
Fixes a bug in Llair.Frontend.xlate_value where the l-val register
of LLVM instruction calls was being marked as global.

Reviewed By: jberdine

Differential Revision: D17570458

fbshipit-source-id: e1b5924e2

sledge/src/llair/frontend.ml

@@ -357,7 +357,7 @@ and xlate_value ?(inline = false) : x -> Llvm.llvalue -> Exp.t =
         let fname = Llvm.value_name func in
         match xlate_intrinsic_exp fname with
         | Some intrinsic when inline || should_inline llv -> intrinsic x llv
-        | _ -> Exp.var (xlate_name ~global:() llv) )
+        | _ -> Exp.var (xlate_name llv) )
     | Instruction (Invoke | Alloca | Load | PHI | LandingPad | VAArg)
      |Argument ->
         Exp.var (xlate_name llv)