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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/forwprop-42.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-42.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-42.c
new file mode 100644
index 0000000..5785e51
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-42.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-forwprop1" } */
+
+typedef unsigned int vec2 __attribute__ ((vector_size (2 * sizeof (unsigned int))));
+typedef unsigned int vec1 __attribute__ ((vector_size (sizeof (unsigned int))));
+
+vec1 foo (vec2 x)
+{
+ return (vec1) x[1];
+}
+
+/* { dg-final { scan-tree-dump-not "VIEW_CONVERT_EXPR" "forwprop1" } } */