ivopts-lt.c: New test.

2011-08-26  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/tree-ssa/ivopts-lt.c: New test.

From-SVN: r178105

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a088e4d47d0f0a0ded768f9d418df6ef132a9b93..96d4904ee2770ed9f72747655b04a82991f51175 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2011-08-26  Tom de Vries  <tom@codesourcery.com>
+
+       * gcc.dg/tree-ssa/ivopts-lt.c: New test.
+
 2011-08-26  Jiangning Liu  <jiangning.liu@arm.com>
 
        * gcc.target/arm/thumb2-cond-cmp-1.c: New.

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivopts-lt.c b/gcc/testsuite/gcc.dg/tree-ssa/ivopts-lt.c
new file mode 100644 (file)
index 0000000..29d9d60
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopts-lt.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-ivopts" } */
+
+void
+f1 (char *p, unsigned long int i, unsigned long int n)
+{
+  p += i;
+  do
+    {
+      *p = '\0';
+      p += 1;
+      i++;
+    }
+  while (i < n);
+}
+
+/* { dg-final { scan-tree-dump-times "PHI" 1 "ivopts"} } */
+/* { dg-final { scan-tree-dump-times "PHI <p_" 1 "ivopts"} } */
+/* { dg-final { scan-tree-dump-times "p_\[0-9\]* <" 1 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */