Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 82 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/tree-ssa.h b/gcc-4.9/gcc/tree-ssa.h
new file mode 100644
index 000000000..1b1a98690
--- /dev/null
+++ b/gcc-4.9/gcc/tree-ssa.h
@@ -0,0 +1,82 @@
+/* Header file for any pass which requires SSA routines.
+   Copyright (C) 2013-2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_TREE_SSA_H
+#define GCC_TREE_SSA_H
+
+/* Mapping for redirected edges.  */
+struct _edge_var_map {
+  tree result;			/* PHI result.  */
+  tree def;			/* PHI arg definition.  */
+  source_location locus;        /* PHI arg location.  */
+};
+typedef struct _edge_var_map edge_var_map;
+
+/* A vector of var maps.  */
+typedef vec<edge_var_map, va_heap, vl_embed> edge_var_map_vector;
+
+
+extern void redirect_edge_var_map_add (edge, tree, tree, source_location);
+extern void redirect_edge_var_map_clear (edge);
+extern void redirect_edge_var_map_dup (edge, edge);
+extern edge_var_map_vector *redirect_edge_var_map_vector (edge);
+extern void redirect_edge_var_map_destroy (void);
+extern edge ssa_redirect_edge (edge, basic_block);
+extern void flush_pending_stmts (edge);
+extern void gimple_replace_ssa_lhs (gimple, tree);
+extern tree target_for_debug_bind (tree);
+extern void insert_debug_temp_for_var_def (gimple_stmt_iterator *, tree);
+extern void insert_debug_temps_for_defs (gimple_stmt_iterator *);
+extern void reset_debug_uses (gimple);
+extern void release_defs_bitset (bitmap toremove);
+extern void verify_ssa (bool);
+extern void init_tree_ssa (struct function *);
+extern void delete_tree_ssa (void);
+extern bool tree_ssa_useless_type_conversion (tree);
+extern tree tree_ssa_strip_useless_type_conversions (tree);
+
+extern bool ssa_undefined_value_p (tree);
+extern void execute_update_addresses_taken (void);
+
+/* Given an edge_var_map V, return the PHI arg definition.  */
+
+static inline tree
+redirect_edge_var_map_def (edge_var_map *v)
+{
+  return v->def;
+}
+
+/* Given an edge_var_map V, return the PHI result.  */
+
+static inline tree
+redirect_edge_var_map_result (edge_var_map *v)
+{
+  return v->result;
+}
+
+/* Given an edge_var_map V, return the PHI arg location.  */
+
+static inline source_location
+redirect_edge_var_map_location (edge_var_map *v)
+{
+  return v->locus;
+}
+
+
+#endif /* GCC_TREE_SSA_H */