re PR tree-optimization/14052 (Combiner weakness)

2007-03-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14052
	* gcc.dg/tree-ssa/vrp33.c: New testcase.

From-SVN: r122559

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 70c78dc..f737501 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2007-03-05  Richard Guenther  <rguenther@suse.de>
 
+       PR tree-optimization/14052
+       * gcc.dg/tree-ssa/vrp33.c: New testcase.
+
+2007-03-05  Richard Guenther  <rguenther@suse.de>
+
        PR tree-optimization/23777
        * gcc.dg/tree-ssa/pr23777.c: New testcase.
 

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp33.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp33.c
new file mode 100644 (file)
index 0000000..13f60a6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp33.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+/* This is from PR14052.  */
+
+int f2(int x) { return x == 1 || x == 3 || x == 1; }
+
+/* { dg-final { scan-tree-dump "Folding predicate.*== 1 to 0" "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */