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diff gcc/testsuite/gcc.dg/fold-cstvecshift.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/fold-cstvecshift.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-ccp1" } */
+
+typedef int vec __attribute__ ((vector_size (4 * sizeof (int))));
+
+void f (vec *r)
+{
+  vec a = { 2, 3, 4, 5 };
+  *r = (a << 2) >> 1;
+}
+
+/* { dg-final { scan-tree-dump "{ 4, 6, 8, 10 }" "ccp1"} } */