1 files changed, 104 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C b/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C
new file mode 100644
index 00000000000..5f63865c166
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C
@@ -0,0 +1,104 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-dom1" } */
+
+typedef long unsigned int size_t;
+extern void abort (void) __attribute__ ((__noreturn__));
+union tree_node;
+typedef union tree_node *tree;
+union gimple_statement_d;
+typedef union gimple_statement_d *gimple;
+typedef const union gimple_statement_d *const_gimple;
+
+enum gimple_code
+{
+  GIMPLE_RETURN = 10,
+};
+
+
+
+
+
+struct gimple_statement_base
+{
+
+
+  enum gimple_code code:8;
+};
+
+
+enum gimple_statement_structure_enum
+{
+  xyz
+};
+
+
+
+
+
+
+union gimple_statement_d
+{
+  struct gimple_statement_base gsbase;
+};
+
+
+
+
+
+extern size_t const gimple_ops_offset_[];
+
+
+extern enum gimple_statement_structure_enum const gss_for_code_[];
+
+
+static inline enum gimple_code
+gimple_code (const_gimple g)
+{
+  return g->gsbase.code;
+}
+
+
+
+
+static inline enum gimple_statement_structure_enum
+gss_for_code (enum gimple_code code)
+{
+  return gss_for_code_[code];
+}
+
+
+
+
+static inline enum gimple_statement_structure_enum
+gimple_statement_structure (gimple gs)
+{
+  return gss_for_code (gimple_code (gs));
+}
+
+
+static inline tree *
+gimple_ops (gimple gs)
+{
+  size_t off;
+  off = gimple_ops_offset_[gimple_statement_structure (gs)];
+  return (tree *) ((char *) gs + off);
+}
+
+
+static inline void
+gimple_set_op (gimple gs, unsigned i, tree op)
+{
+  gimple_ops (gs)[i] = op;
+}
+
+void
+gimple_return_set_retval (gimple gs, tree retval)
+{
+  const_gimple __gs = (gs);
+  if (gimple_code (__gs) != (GIMPLE_RETURN))
+    abort ();
+  gimple_set_op (gs, 0, retval);
+}
+/* { dg-final { scan-tree-dump-times "gss_for_code_.10." 1 "dom1"} } */
+/* { dg-final { cleanup-tree-dump "dom1" } } */
+