entry_of_function returns an insn

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (entry_of_function): Strengthen return type from rtx to
	rtx_insn *.
	* cfgrtl.c (entry_of_function): Likewise.

From-SVN: r214182

gcc/ChangeLog

 2014-08-19  David Malcolm  <dmalcolm@redhat.com>
 
+	* rtl.h (entry_of_function): Strengthen return type from rtx to
+	rtx_insn *.
+	* cfgrtl.c (entry_of_function): Likewise.
+
+2014-08-19  David Malcolm  <dmalcolm@redhat.com>
+
 	* emit-rtl.h (get_insns): Strengthen return type from rtx to
 	rtx_insn *, adding a checked cast for now.
 	(get_last_insn): Likewise.

gcc/cfgrtl.c

@@ -498,7 +498,7 @@ make_pass_free_cfg (gcc::context *ctxt)
 }
 
 /* Return RTX to emit after when we want to emit code on the entry of function.  */
-rtx
+rtx_insn *
 entry_of_function (void)
 {
   return (n_basic_blocks_for_fn (cfun) > NUM_FIXED_BLOCKS ?

gcc/rtl.h

@@ -3088,7 +3088,7 @@ extern void add_insn_after (rtx, rtx, basic_block);
 extern void remove_insn (rtx);
 extern rtx emit (rtx);
 extern void delete_insn (rtx);
-extern rtx entry_of_function (void);
+extern rtx_insn *entry_of_function (void);
 extern void emit_insn_at_entry (rtx);
 extern void delete_insn_chain (rtx, rtx, bool);
 extern rtx unlink_insn_chain (rtx, rtx);