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Diffstat (limited to 'gcc/gimple-ssa.h')
-rw-r--r-- | gcc/gimple-ssa.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/gimple-ssa.h b/gcc/gimple-ssa.h new file mode 100644 index 00000000000..0687847ff12 --- /dev/null +++ b/gcc/gimple-ssa.h @@ -0,0 +1,73 @@ +/* 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 */ |