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diff gcc/testsuite/gcc.dg/tree-ssa/structopt-1.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/tree-ssa/structopt-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-lim2-details" } */
+int x; int y;
+struct { int x; int y; } global;
+int foo() {
+	int i;
+	for ( i=0; i<10; i++)
+		y += x*x;
+	for ( i=0; i<10; i++)
+		global.y += global.x*global.x;
+}
+
+/* { dg-final { scan-tree-dump-times "Executing store motion of global.y" 1 "lim2" } } */
+/* XXX: We should also check for the load motion of global.x, but there is no easy way to do this.  */