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/* Header file for routines that straddle the border between GIMPLE and
SSA in gimple.
Copyright (C) 2009-2013 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_GIMPLE_SSA_H
#define GCC_GIMPLE_SSA_H
/* Return the set of VUSE operand for statement G. */
static inline use_operand_p
gimple_vuse_op (const_gimple g)
{
struct use_optype_d *ops;
if (!gimple_has_mem_ops (g))
return NULL_USE_OPERAND_P;
ops = g->gsops.opbase.use_ops;
if (ops
&& USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
return USE_OP_PTR (ops);
return NULL_USE_OPERAND_P;
}
/* Return the set of VDEF operand for statement G. */
static inline def_operand_p
gimple_vdef_op (gimple g)
{
if (!gimple_has_mem_ops (g))
return NULL_DEF_OPERAND_P;
if (g->gsmembase.vdef)
return &g->gsmembase.vdef;
return NULL_DEF_OPERAND_P;
}
/* Mark statement S as modified, and update it. */
static inline void
update_stmt (gimple s)
{
if (gimple_has_ops (s))
{
gimple_set_modified (s, true);
update_stmt_operands (s);
}
}
/* Update statement S if it has been optimized. */
static inline void
update_stmt_if_modified (gimple s)
{
if (gimple_modified_p (s))
update_stmt_operands (s);
}
#endif /* GCC_GIMPLE_SSA_H */
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