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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/forwprop-3.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-3.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-3.c
new file mode 100644
index 000000000..dbb6e420e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-3.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-forwprop1" } */
+
+struct bar {
+ int a[2];
+};
+
+int foo(struct bar *x)
+{
+ int *p = &x->a[0];
+ int *q = &x->a[1];
+ if (p < q)
+ return 1;
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump "Replaced .p_. < q_.. with .1." "forwprop1" } } */
+/* { dg-final { cleanup-tree-dump "forwprop1" } } */