Remove old front-end code

Summary: public

Reviewed By: jvillard

Differential Revision: D2946859

fb-gh-sync-id: fe4e8af
shipit-source-id: fe4e8af

infer/src/backend/errdesc.ml

@@ -185,12 +185,6 @@ let pvar_is_cil_tmp pvar =
   let name = Sil.pvar_to_string pvar in
   string_is_prefix "_tmp" name
 
-(** Check whether the program variable is a temporary one generated by EDG *)
-let pvar_is_edg_tmp pvar =
-  Sil.pvar_is_local pvar &&
-  let name = Sil.pvar_to_string pvar in
-  string_is_prefix "__T" name
-
 (** Check whether the program variable is a temporary one generated by sawja *)
 let pvar_is_sawja_tmp pvar =
   Sil.pvar_is_local pvar &&
@@ -199,18 +193,10 @@ let pvar_is_sawja_tmp pvar =
   string_is_prefix "$T" name ||
   string_is_prefix "$bc" name
 
-let edg_native_tmp_var_name_prefix = "__temp_var_"
-
-(** Check whether the program variable is a temporary one generated by EDG *)
-let pvar_is_edg_tmp pvar =
-  Sil.pvar_is_local pvar &&
-  let name = Sil.pvar_to_string pvar in
-  string_is_prefix edg_native_tmp_var_name_prefix name
-
 (** Check whether the program variable is a temporary generated by the front-end *)
 let pvar_is_frontend_tmp pvar =
   if !Config.curr_language = Config.Java then pvar_is_sawja_tmp pvar
-  else pvar_is_cil_tmp pvar || pvar_is_edg_tmp pvar
+  else pvar_is_cil_tmp pvar
 
 (** Find the Letderef instruction used to declare normal variable [id],
     and return the expression dereferenced to initialize [id] *)

infer/src/backend/errdesc.mli

@@ -126,15 +126,9 @@ val explain_memory_access : Localise.deref_str -> 'a Prop.t -> Location.t -> Loc
 val explain_null_test_after_dereference :
   Sil.exp -> Cfg.Node.t -> int -> Location.t -> Localise.error_desc
 
-(** temporary variable name which is used to create edg native temp variables (see Trans_edg) *)
-val edg_native_tmp_var_name_prefix : string
-
 (** Check whether the program variable is a temporary one generated by CIL *)
 val pvar_is_cil_tmp : Sil.pvar -> bool
 
-(** Check whether the program variable is a temporary one generated by EDG *)
-val pvar_is_edg_tmp : Sil.pvar -> bool
-
 (** Check whether the program variable is a temporary generated by the front-end *)
 val pvar_is_frontend_tmp : Sil.pvar -> bool
 

infer/src/backend/interproc.ml

@@ -376,11 +376,6 @@ let check_assignement_guard node =
     | Sil.Lvar pv ->
         Errdesc.pvar_is_cil_tmp pv
     | _ -> false in
-  let is_edg_tmp e =
-    match e with
-    | Sil.Lvar pv ->
-        Errdesc.pvar_is_edg_tmp pv
-    | _ -> false in
   let succs = Cfg.Node.get_succs node in
   let l_node = Cfg.Node.get_last_loc node in
   (* e is prune if in all successors prune nodes we have for some temp n$1: *)
@@ -436,7 +431,7 @@ let check_assignement_guard node =
              instr in
          (match set_instr_at_succs_loc with
           | [Sil.Set(e, _, _, _)] -> (* we now check if e is the same expression used to prune*)
-              if (is_prune_exp e) && not ((node_contains_call node) && (is_cil_tmp e)) && not (is_edg_tmp e) then (
+              if (is_prune_exp e) && not ((node_contains_call node) && (is_cil_tmp e)) then (
                 let desc = Errdesc.explain_condition_is_assignment l_node in
                 let exn = Exceptions.Condition_is_assignment (desc, __POS__) in
                 let pre_opt = State.get_normalized_pre (Abs.abstract_no_symop pname) in