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diff gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-25.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/ssa-fre-25.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1" } */
+
+struct X { int i; int j; };
+void bar (struct X *);
+int foo (struct X *p)
+{
+  struct X x;
+  p->i = 1;
+  x = *p;
+  x.j = 2;
+  return p->i - x.i;
+}
+
+/* We should optimize this to return 0.  */
+
+/* { dg-final { scan-tree-dump "return 0;" "fre1" } } */