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diff gcc/testsuite/gcc.dg/predict-20.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/predict-20.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,23 @@
+/* PR tree-optimization/86925 */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+int a, b;
+
+void
+c ()
+{
+  for (;;)
+    {
+      if (__builtin_expect (b < 0, 0))
+	break;
+      if (__builtin_expect (a, 1))
+	break;
+    }
+  int d = b < 0;
+  if (__builtin_expect (d, 0))
+    asm("");
+}
+
+/* { dg-final { scan-tree-dump-times "__builtin_expect heuristics of edge" 3 "profile_estimate"} } */