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-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/loop-11.c28
2 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 15b1c4d..a2c26ce 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimizatio/22442
+ * gcc.dg/tree-ssa/loop-11.c: New test.
+
2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/21840
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/loop-11.c b/gcc/testsuite/gcc.dg/tree-ssa/loop-11.c
new file mode 100644
index 0000000..58a1349
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/loop-11.c
@@ -0,0 +1,28 @@
+/* A test for final value replacement and higher-order ivs,
+ see PR 22442. */
+
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-vars" } */
+
+void bar (unsigned);
+
+void foo (void)
+{
+ unsigned i, a;
+
+ for (i = 0; i < 5; i++)
+ a = i * i;
+
+ bar (a);
+}
+
+/* Final value of a gets replaced. */
+
+/* { dg-final { scan-tree-dump-times "\\(16\\)" 1 "vars" } } */
+
+/* And the empty loop is removed. */
+
+/* { dg-final { scan-tree-dump-times "if " 0 "vars" } } */
+
+/* { dg-final { cleanup-tree-dump "vars" } } */
+