cif-code.def (OVERWRITABLE): Correct the comment for overwritable function.

2013-04-10  Zhouyi Zhou <yizhouzhou@ict.ac.cn>

	* cif-code.def (OVERWRITABLE): Correct the comment for overwritable
	function.
	* ipa-inline.c (can_inline_edge_p): Let dump mechanism report the
	inline fail caused by overwritable functions.

	* gcc.dg/tree-ssa/inline-11.c: New test

From-SVN: r197667

gcc/ChangeLog

+2013-04-10  Zhouyi Zhou <yizhouzhou@ict.ac.cn>
+
+	* cif-code.def (OVERWRITABLE): Correct the comment for overwritable
+	function.
+	* ipa-inline.c (can_inline_edge_p): Let dump mechanism report the
+	inline fail caused by overwritable functions.
+
 2013-04-10  Chung-Ju Wu  <jasonwucj@gmail.com>
 
 	* combine.c (simplify_compare_const): Use GET_MODE_MASK to filter out

gcc/cif-code.def

@@ -48,7 +48,7 @@ DEFCIFCODE(REDEFINED_EXTERN_INLINE,
 /* Function is not inlinable.  */
 DEFCIFCODE(FUNCTION_NOT_INLINABLE, N_("function not inlinable"))
 
-/* Function is not overwritable.  */
+/* Function is overwritable.  */
 DEFCIFCODE(OVERWRITABLE, N_("function body can be overwritten at link time"))
 
 /* Function is not an inlining candidate.  */

gcc/ipa-inline.c

@@ -266,7 +266,7 @@ can_inline_edge_p (struct cgraph_edge *e, bool report)
   else if (avail <= AVAIL_OVERWRITABLE)
     {
       e->inline_failed = CIF_OVERWRITABLE;
-      return false;
+      inlinable = false;
     }
   else if (e->call_stmt_cannot_inline_p)
     {

gcc/testsuite/ChangeLog

+2013-04-10  Zhouyi Zhou <yizhouzhou@ict.ac.cn>
+
+	* gcc.dg/tree-ssa/inline-11.c: New test
+
 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/56895

gcc/testsuite/gcc.dg/tree-ssa/inline-11.c

+/* { dg-do compile } */
+/* { dg-require-weak "" } */
+/* { dg-options "-O2 -fdump-tree-einline" } */
+int w;
+int bar (void) __attribute__ ((weak));
+int bar (){
+  w++;
+}
+void foo()
+{
+  bar();
+}
+/* { dg-final { scan-tree-dump-times "function body can be overwritten at link time" 1 "einline" } } */
+/* { dg-final { cleanup-tree-dump "einline" } } */