re PR tree-optimization/51519 (ICE: in inline_small_functions, at…

re PR tree-optimization/51519 (ICE: in inline_small_functions, at ipa-inline.c:1410 with -O -fno-guess-branch-probability -findirect-inlining)

2011-12-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51519
	* ipa-inline.c (edge_badness): Use edge growth in non-guessed
	branch probability case as well.

	* gcc.dg/pr51519.c: New testcase.

From-SVN: r182279

gcc/ChangeLog

+2011-12-13  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/51519
+	* ipa-inline.c (edge_badness): Use edge growth in non-guessed
+	branch probability case as well.
+
 2011-12-13  Revital Eres  <revital.eres@linaro.org>
 
 	* modulo-sched.c (mark_loop_unsched): Free bbs.

gcc/ipa-inline.c

@@ -861,7 +861,7 @@ edge_badness (struct cgraph_edge *edge, bool dump)
   else
     {
       int nest = MIN (inline_edge_summary (edge)->loop_depth, 8);
-      badness = estimate_growth (callee) * 256;
+      badness = growth * 256;
 
       /* Decrease badness if call is nested.  */
       if (badness > 0)

gcc/testsuite/ChangeLog

 2011-12-13  Richard Guenther  <rguenther@suse.de>
 
+	PR tree-optimization/51519
+	* gcc.dg/pr51519.c: New testcase.
+
+2011-12-13  Richard Guenther  <rguenther@suse.de>
+
 	* gcc.dg/lto/20111213-1_0.c: New testcase.
 
 2011-12-13  Eric Botcazou  <ebotcazou@adacore.com>

gcc/testsuite/gcc.dg/pr51519.c

+/* { dg-do compile } */
+/* { dg-options "-O -fno-guess-branch-probability -findirect-inlining" } */
+
+void fe (void);
+int i;
+
+static inline void
+FX (void (*f) (void))
+{
+  fe ();
+  (*f) ();
+}
+
+static inline void
+f4 ()
+{
+  if (i)
+    FX (fe);
+}
+
+static inline void
+f3 (void)
+{
+  f4 ();
+  if (i)
+    FX (f4);
+}
+
+static inline void
+f2 (void)
+{
+  FX (&f3);
+}
+
+void
+f1 (void)
+{
+  FX (&f2);
+}