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Diffstat (limited to 'gcc/tree-ssa.h')
-rw-r--r-- | gcc/tree-ssa.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gcc/tree-ssa.h b/gcc/tree-ssa.h new file mode 100644 index 00000000000..c6e458aaca8 --- /dev/null +++ b/gcc/tree-ssa.h @@ -0,0 +1,89 @@ +/* Header file for any pass which requires SSA routines. + Copyright (C) 2013 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 + +#include "tree-flow.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 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); + +/* Call-back function for walk_use_def_chains(). At each reaching + definition, a function with this prototype is called. */ +typedef bool (*walk_use_def_chains_fn) (tree, gimple, void *); +extern void walk_use_def_chains (tree, walk_use_def_chains_fn, void *, bool); + +extern void warn_uninit (enum opt_code, tree, tree, tree, const char *, void *); +extern unsigned int warn_uninitialized_vars (bool); +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 */ |