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diff gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-40.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-40.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-fre1" } */
+
+int x;
+int foo (int *p)
+{
+  x = 0;
+  if (x)
+    *p = 1;
+  return x;
+}
+
+/* The final load of x should be replaced as well as the
+   aliasing store via *p is not reachable.  */
+
+/* { dg-final { scan-tree-dump-not "= x;" "fre1" } } */