diff options
Diffstat (limited to 'gcc/ipa-inline.h')
| -rw-r--r-- | gcc/ipa-inline.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/ipa-inline.h b/gcc/ipa-inline.h new file mode 100644 index 00000000000..d76a492a1d2 --- /dev/null +++ b/gcc/ipa-inline.h @@ -0,0 +1,52 @@ +/* Inlining decision heuristics. + Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. + Contributed by Jan Hubicka + +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/>. */ + +void inline_generate_summary (void); +void inline_read_summary (void); +void inline_write_summary (cgraph_node_set, varpool_node_set); +void inline_free_summary (void); +int estimate_time_after_inlining (struct cgraph_node *, struct cgraph_edge *); +int estimate_size_after_inlining (struct cgraph_node *, struct cgraph_edge *); +int estimate_growth (struct cgraph_node *); + +static inline struct inline_summary * +inline_summary (struct cgraph_node *node) +{ + return &node->local.inline_summary; +} + +/* Estimate the growth of the caller when inlining EDGE. */ + +static inline int +estimate_edge_growth (struct cgraph_edge *edge) +{ + int call_stmt_size; + /* ??? We throw away cgraph edges all the time so the information + we store in edges doesn't persist for early inlining. Ugh. */ + if (!edge->call_stmt) + call_stmt_size = edge->call_stmt_size; + else + call_stmt_size = estimate_num_insns (edge->call_stmt, &eni_size_weights); + return (edge->callee->global.size + - inline_summary (edge->callee)->size_inlining_benefit + - call_stmt_size); +} + |