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[PATCH] Fix PR51519
- From: Richard Guenther <rguenther at suse dot de>
- To: gcc-patches at gcc dot gnu dot org
- Date: Tue, 13 Dec 2011 13:50:02 +0100 (CET)
- Subject: [PATCH] Fix PR51519
This fixes PR51519.
Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
Richard.
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.
Index: gcc/ipa-inline.c
===================================================================
--- gcc/ipa-inline.c (revision 182220)
+++ gcc/ipa-inline.c (working copy)
@@ -861,7 +861,7 @@ edge_badness (struct cgraph_edge *edge,
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)
Index: gcc/testsuite/gcc.dg/pr51519.c
===================================================================
--- gcc/testsuite/gcc.dg/pr51519.c (revision 0)
+++ gcc/testsuite/gcc.dg/pr51519.c (revision 0)
@@ -0,0 +1,39 @@
+/* { 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);
+}