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diff gcc/testsuite/gcc.dg/pr61762.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/pr61762.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-release_ssa" } */
+
+unsigned int f()
+{
+  static const char string[] __attribute__((aligned(sizeof(int)))) = "Private";
+
+  unsigned int priv;
+  __builtin_memcpy(&priv, &string[0], sizeof(priv));
+  return priv;
+}
+
+/* We should have removed the static string and simplified the
+   memcpy to a store from an integer constant.  CCP
+   already performs the simplification but only after release_ssa
+   the unused local static is removed.  */
+
+/* { dg-final { scan-tree-dump-not "Private" "release_ssa" } } */