make prologue_epilogue_contains take a rtx_insn *

gcc/ChangeLog:

2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* function.c (contains): Change argument type to rtx_insn *.
	(prologue_contains): Likewise.
	(epilogue_contains): Likewise.
	(prologue_epilogue_contains): Likewise.
	* function.h: Adjust prototype.

From-SVN: r242655

gcc/ChangeLog

 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
+	* function.c (contains): Change argument type to rtx_insn *.
+	(prologue_contains): Likewise.
+	(epilogue_contains): Likewise.
+	(prologue_epilogue_contains): Likewise.
+	* function.h: Adjust prototype.
+
+2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
 	* optabs.c (emit_libcall_block): Change argument type to
 	rtx_insn *.
 	* optabs.h: Adjust prototype.

gcc/function.c

@@ -142,7 +142,7 @@ extern tree debug_find_var_in_block_tree (tree, tree);
    can always export `prologue_epilogue_contains'.  */
 static void record_insns (rtx_insn *, rtx, hash_table<insn_cache_hasher> **)
      ATTRIBUTE_UNUSED;
-static bool contains (const_rtx, hash_table<insn_cache_hasher> *);
+static bool contains (const rtx_insn *, hash_table<insn_cache_hasher> *);
 static void prepare_function_start (void);
 static void do_clobber_return_reg (rtx, void *);
 static void do_use_return_reg (rtx, void *);
@@ -5733,7 +5733,7 @@ maybe_copy_prologue_epilogue_insn (rtx insn, rtx copy)
    we can be running after reorg, SEQUENCE rtl is possible.  */
 
 static bool
-contains (const_rtx insn, hash_table<insn_cache_hasher> *hash)
+contains (const rtx_insn *insn, hash_table<insn_cache_hasher> *hash)
 {
   if (hash == NULL)
     return false;
@@ -5748,23 +5748,23 @@ contains (const_rtx insn, hash_table<insn_cache_hasher> *hash)
       return false;
     }
 
-  return hash->find (const_cast<rtx> (insn)) != NULL;
+  return hash->find (const_cast<rtx_insn *> (insn)) != NULL;
 }
 
 int
-prologue_contains (const_rtx insn)
+prologue_contains (const rtx_insn *insn)
 {
   return contains (insn, prologue_insn_hash);
 }
 
 int
-epilogue_contains (const_rtx insn)
+epilogue_contains (const rtx_insn *insn)
 {
   return contains (insn, epilogue_insn_hash);
 }
 
 int
-prologue_epilogue_contains (const_rtx insn)
+prologue_epilogue_contains (const rtx_insn *insn)
 {
   if (contains (insn, prologue_insn_hash))
     return 1;

gcc/function.h

@@ -631,9 +631,9 @@ extern void clobber_return_register (void);
 extern void expand_function_end (void);
 extern rtx get_arg_pointer_save_area (void);
 extern void maybe_copy_prologue_epilogue_insn (rtx, rtx);
-extern int prologue_contains (const_rtx);
-extern int epilogue_contains (const_rtx);
-extern int prologue_epilogue_contains (const_rtx);
+extern int prologue_contains (const rtx_insn *);
+extern int epilogue_contains (const rtx_insn *);
+extern int prologue_epilogue_contains (const rtx_insn *);
 extern void record_prologue_seq (rtx_insn *);
 extern void record_epilogue_seq (rtx_insn *);
 extern void emit_return_into_block (bool simple_p, basic_block bb);