cgraph.h (cgraph_node::get_fun): Declare.

	* cgraph.h (cgraph_node::get_fun): Declare.
	* cgraph.c (cgraph_node::get_fun): New method.
	* ipa-inline.c (can_inline_edge_p): Use it.

From-SVN: r215968

gcc/ChangeLog

 2014-10-07  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* cgraph.h (cgraph_node::get_fun): Declare.
+	* cgraph.c (cgraph_node::get_fun): New method.
+	* ipa-inline.c (can_inline_edge_p): Use it.
+
+2014-10-07  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* lto-opts.c (lto_write_options): Handle -fmath-errno, -fsigned-zeros
 	and -ftrapping-math.
 	* lto-wrapper.c (merge_and_complain): Likewise.

gcc/cgraph.c

@@ -2992,6 +2992,23 @@ cgraph_node::get_body (void)
   return true;
 }
 
+/* Return the DECL_STRUCT_FUNCTION of the function.  */
+
+struct function *
+cgraph_node::get_fun (void)
+{
+  cgraph_node *node = this;
+  struct function *fun = DECL_STRUCT_FUNCTION (node->decl);
+
+  while (!fun && node->clone_of)
+    {
+      node = node->clone_of;
+      fun = DECL_STRUCT_FUNCTION (node->decl);
+    }
+
+  return fun;
+}
+
 /* Verify if the type of the argument matches that of the function
    declaration.  If we cannot verify this or there is a mismatch,
    return false.  */

gcc/cgraph.h

@@ -919,6 +919,9 @@ public:
      are free'd in final.c via free_after_compilation().  */
   void release_body (bool keep_arguments = false);
 
+  /* Return the DECL_STRUCT_FUNCTION of the function.  */
+  struct function *get_fun (void);
+
   /* cgraph_node is no longer nested function; update cgraph accordingly.  */
   void unnest (void);
 

gcc/ipa-inline.c

@@ -273,15 +273,8 @@ can_inline_edge_p (struct cgraph_edge *e, bool report,
   tree caller_tree = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (e->caller->decl);
   tree callee_tree
     = callee ? DECL_FUNCTION_SPECIFIC_OPTIMIZATION (callee->decl) : NULL;
-  struct function *caller_cfun = DECL_STRUCT_FUNCTION (e->caller->decl);
-  struct function *callee_cfun
-    = callee ? DECL_STRUCT_FUNCTION (callee->decl) : NULL;
-
-  if (!caller_cfun && e->caller->clone_of)
-    caller_cfun = DECL_STRUCT_FUNCTION (e->caller->clone_of->decl);
-
-  if (!callee_cfun && callee && callee->clone_of)
-    callee_cfun = DECL_STRUCT_FUNCTION (callee->clone_of->decl);
+  struct function *caller_fun = e->caller->get_fun ();
+  struct function *callee_fun = callee ? callee->get_fun () : NULL;
 
   gcc_assert (e->inline_failed);
 
@@ -296,7 +289,7 @@ can_inline_edge_p (struct cgraph_edge *e, bool report,
       inlinable = false;
     }
   else if (!inline_summary (callee)->inlinable 
-	   || (caller_cfun && fn_contains_cilk_spawn_p (caller_cfun)))
+	   || (caller_fun && fn_contains_cilk_spawn_p (caller_fun)))
     {
       e->inline_failed = CIF_FUNCTION_NOT_INLINABLE;
       inlinable = false;
@@ -333,8 +326,8 @@ can_inline_edge_p (struct cgraph_edge *e, bool report,
      caller cannot.
      FIXME: this is obviously wrong for LTO where STRUCT_FUNCTION is missing.
      Move the flag into cgraph node or mirror it in the inline summary.  */
-  else if (callee_cfun && callee_cfun->can_throw_non_call_exceptions
-	   && !(caller_cfun && caller_cfun->can_throw_non_call_exceptions))
+  else if (callee_fun && callee_fun->can_throw_non_call_exceptions
+	   && !(caller_fun && caller_fun->can_throw_non_call_exceptions))
     {
       e->inline_failed = CIF_NON_CALL_EXCEPTIONS;
       inlinable = false;