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/* SSA operand management for trees.
Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef GCC_TREE_SSA_OPERANDS_H
#define GCC_TREE_SSA_OPERANDS_H
/* Interface to SSA operands. */
typedef struct def_optype_d GTY(())
{
unsigned num_defs;
tree * GTY((length("%h.num_defs"), skip(""))) defs[1];
} def_optype_t;
typedef def_optype_t *def_optype;
typedef struct use_optype_d GTY(())
{
unsigned num_uses;
tree * GTY((length("%h.num_uses"), skip(""))) uses[1];
} use_optype_t;
typedef use_optype_t *use_optype;
typedef struct v_may_def_optype_d GTY(())
{
unsigned num_v_may_defs;
tree GTY((length ("%h.num_v_may_defs * 2"))) v_may_defs[1];
} v_may_def_optype_t;
typedef v_may_def_optype_t *v_may_def_optype;
typedef struct vuse_optype_d GTY(())
{
unsigned num_vuses;
tree GTY((length ("%h.num_vuses"))) vuses[1];
} vuse_optype_t;
typedef vuse_optype_t *vuse_optype;
typedef struct v_must_def_optype_d GTY(())
{
unsigned num_v_must_defs;
tree GTY((length("%h.num_v_must_defs"))) v_must_defs[1];
} v_must_def_optype_t;
typedef v_must_def_optype_t *v_must_def_optype;
#define USE_OPS(ANN) get_use_ops (ANN)
#define STMT_USE_OPS(STMT) get_use_ops (stmt_ann (STMT))
#define NUM_USES(OPS) ((OPS) ? (OPS)->num_uses : 0)
#define USE_OP_PTR(OPS, I) get_use_op_ptr ((OPS), (I))
#define USE_OP(OPS, I) (*(USE_OP_PTR ((OPS), (I))))
#define DEF_OPS(ANN) get_def_ops (ANN)
#define STMT_DEF_OPS(STMT) get_def_ops (stmt_ann (STMT))
#define NUM_DEFS(OPS) ((OPS) ? (OPS)->num_defs : 0)
#define DEF_OP_PTR(OPS, I) get_def_op_ptr ((OPS), (I))
#define DEF_OP(OPS, I) (*(DEF_OP_PTR ((OPS), (I))))
#define V_MAY_DEF_OPS(ANN) get_v_may_def_ops (ANN)
#define STMT_V_MAY_DEF_OPS(STMT) get_v_may_def_ops (stmt_ann(STMT))
#define NUM_V_MAY_DEFS(OPS) ((OPS) ? (OPS)->num_v_may_defs : 0)
#define V_MAY_DEF_RESULT_PTR(OPS, I) get_v_may_def_result_ptr ((OPS), (I))
#define V_MAY_DEF_RESULT(OPS, I) (*(V_MAY_DEF_RESULT_PTR ((OPS), (I))))
#define V_MAY_DEF_OP_PTR(OPS, I) get_v_may_def_op_ptr ((OPS), (I))
#define V_MAY_DEF_OP(OPS, I) (*(V_MAY_DEF_OP_PTR ((OPS), (I))))
#define VUSE_OPS(ANN) get_vuse_ops (ANN)
#define STMT_VUSE_OPS(STMT) get_vuse_ops (stmt_ann(STMT))
#define NUM_VUSES(OPS) ((OPS) ? (OPS)->num_vuses : 0)
#define VUSE_OP_PTR(OPS, I) get_vuse_op_ptr ((OPS), (I))
#define VUSE_OP(OPS, I) (*(VUSE_OP_PTR ((OPS), (I))))
#define V_MUST_DEF_OPS(ANN) get_v_must_def_ops (ANN)
#define STMT_V_MUST_DEF_OPS(STMT) get_v_must_def_ops (stmt_ann (STMT))
#define NUM_V_MUST_DEFS(OPS) ((OPS) ? (OPS)->num_v_must_defs : 0)
#define V_MUST_DEF_OP_PTR(OPS, I) get_v_must_def_op_ptr ((OPS), (I))
#define V_MUST_DEF_OP(OPS, I) (*(V_MUST_DEF_OP_PTR ((OPS), (I))))
extern void init_ssa_operands (void);
extern void fini_ssa_operands (void);
extern void verify_start_operands (tree);
extern void finalize_ssa_stmt_operands (tree);
void add_vuse (tree, tree);
extern void get_stmt_operands (tree);
extern void remove_vuses (tree);
extern void remove_v_may_defs (tree);
extern void remove_v_must_defs (tree);
#endif /* GCC_TREE_SSA_OPERANDS_H */
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