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julius |
/* Definitions for describing one tree-ssa optimization pass.
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Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_TREE_PASS_H
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#define GCC_TREE_PASS_H 1
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/* In tree-dump.c */
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/* Different tree dump places. When you add new tree dump places,
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extend the DUMP_FILES array in tree-dump.c. */
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enum tree_dump_index
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{
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TDI_none, /* No dump */
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TDI_cgraph, /* dump function call graph. */
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TDI_tu, /* dump the whole translation unit. */
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TDI_class, /* dump class hierarchy. */
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TDI_original, /* dump each function before optimizing it */
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TDI_generic, /* dump each function after genericizing it */
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TDI_nested, /* dump each function after unnesting it */
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TDI_inlined, /* dump each function after inlining
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within it. */
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TDI_vcg, /* create a VCG graph file for each
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function's flowgraph. */
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TDI_tree_all, /* enable all the GENERIC/GIMPLE dumps. */
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TDI_rtl_all, /* enable all the RTL dumps. */
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TDI_ipa_all, /* enable all the IPA dumps. */
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TDI_end
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};
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/* Bit masks to control dumping. Not all values are applicable to
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all dumps. Add new ones at the end. When you define new
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values, extend the DUMP_OPTIONS array in tree-dump.c */
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#define TDF_ADDRESS (1 << 0) /* dump node addresses */
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#define TDF_SLIM (1 << 1) /* don't go wild following links */
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#define TDF_RAW (1 << 2) /* don't unparse the function */
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#define TDF_DETAILS (1 << 3) /* show more detailed info about
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each pass */
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#define TDF_STATS (1 << 4) /* dump various statistics about
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each pass */
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#define TDF_BLOCKS (1 << 5) /* display basic block boundaries */
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#define TDF_VOPS (1 << 6) /* display virtual operands */
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#define TDF_LINENO (1 << 7) /* display statement line numbers */
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#define TDF_UID (1 << 8) /* display decl UIDs */
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#define TDF_TREE (1 << 9) /* is a tree dump */
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#define TDF_RTL (1 << 10) /* is a RTL dump */
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#define TDF_IPA (1 << 11) /* is an IPA dump */
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#define TDF_STMTADDR (1 << 12) /* Address of stmt. */
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#define TDF_GRAPH (1 << 13) /* a graph dump is being emitted */
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extern char *get_dump_file_name (enum tree_dump_index);
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extern int dump_enabled_p (enum tree_dump_index);
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extern int dump_initialized_p (enum tree_dump_index);
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extern FILE *dump_begin (enum tree_dump_index, int *);
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extern void dump_end (enum tree_dump_index, FILE *);
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extern void dump_node (tree, int, FILE *);
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extern int dump_switch_p (const char *);
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extern const char *dump_flag_name (enum tree_dump_index);
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/* Global variables used to communicate with passes. */
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extern FILE *dump_file;
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extern int dump_flags;
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extern const char *dump_file_name;
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/* Return the dump_file_info for the given phase. */
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extern struct dump_file_info *get_dump_file_info (enum tree_dump_index);
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/* Describe one pass. */
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struct tree_opt_pass
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{
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/* Terse name of the pass used as a fragment of the dump file name. */
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const char *name;
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/* If non-null, this pass and all sub-passes are executed only if
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the function returns true. */
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bool (*gate) (void);
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/* This is the code to run. If null, then there should be sub-passes
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otherwise this pass does nothing. The return value contains
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TODOs to execute in addition to those in TODO_flags_finish. */
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unsigned int (*execute) (void);
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/* A list of sub-passes to run, dependent on gate predicate. */
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struct tree_opt_pass *sub;
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/* Next in the list of passes to run, independent of gate predicate. */
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struct tree_opt_pass *next;
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/* Static pass number, used as a fragment of the dump file name. */
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int static_pass_number;
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/* The timevar id associated with this pass. */
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/* ??? Ideally would be dynamically assigned. */
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unsigned int tv_id;
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/* Sets of properties input and output from this pass. */
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unsigned int properties_required;
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unsigned int properties_provided;
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unsigned int properties_destroyed;
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/* Flags indicating common sets things to do before and after. */
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unsigned int todo_flags_start;
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unsigned int todo_flags_finish;
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/* Letter for RTL dumps. */
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char letter;
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};
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/* Define a tree dump switch. */
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struct dump_file_info
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{
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const char *suffix; /* suffix to give output file. */
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const char *swtch; /* command line switch */
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const char *glob; /* command line glob */
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int flags; /* user flags */
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int state; /* state of play */
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int num; /* dump file number */
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int letter; /* enabling letter for RTL dumps */
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};
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/* Pass properties. */
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#define PROP_gimple_any (1 << 0) /* entire gimple grammar */
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#define PROP_gimple_lcf (1 << 1) /* lowered control flow */
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#define PROP_gimple_leh (1 << 2) /* lowered eh */
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#define PROP_cfg (1 << 3)
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#define PROP_referenced_vars (1 << 4)
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#define PROP_pta (1 << 5)
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#define PROP_ssa (1 << 6)
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#define PROP_no_crit_edges (1 << 7)
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#define PROP_rtl (1 << 8)
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#define PROP_alias (1 << 9)
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#define PROP_gimple_lomp (1 << 10) /* lowered OpenMP directives */
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#define PROP_smt_usage (1 << 11) /* which SMT's are
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used alone. */
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#define PROP_trees \
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(PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
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/* To-do flags. */
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#define TODO_dump_func (1 << 0)
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#define TODO_ggc_collect (1 << 1)
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#define TODO_verify_ssa (1 << 2)
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#define TODO_verify_flow (1 << 3)
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#define TODO_verify_stmts (1 << 4)
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#define TODO_cleanup_cfg (1 << 5)
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#define TODO_verify_loops (1 << 6)
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#define TODO_dump_cgraph (1 << 7)
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/* To-do flags for calls to update_ssa. */
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/* Update the SSA form inserting PHI nodes for newly exposed symbols
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and virtual names marked for updating. When updating real names,
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only insert PHI nodes for a real name O_j in blocks reached by all
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the new and old definitions for O_j. If the iterated dominance
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frontier for O_j is not pruned, we may end up inserting PHI nodes
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in blocks that have one or more edges with no incoming definition
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for O_j. This would lead to uninitialized warnings for O_j's
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symbol. */
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#define TODO_update_ssa (1 << 8)
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/* Update the SSA form without inserting any new PHI nodes at all.
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This is used by passes that have either inserted all the PHI nodes
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themselves or passes that need only to patch use-def and def-def
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chains for virtuals (e.g., DCE). */
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#define TODO_update_ssa_no_phi (1 << 9)
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/* Insert PHI nodes everywhere they are needed. No pruning of the
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IDF is done. This is used by passes that need the PHI nodes for
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O_j even if it means that some arguments will come from the default
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definition of O_j's symbol (e.g., pass_linear_transform).
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WARNING: If you need to use this flag, chances are that your pass
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may be doing something wrong. Inserting PHI nodes for an old name
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where not all edges carry a new replacement may lead to silent
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codegen errors or spurious uninitialized warnings. */
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#define TODO_update_ssa_full_phi (1 << 10)
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/* Passes that update the SSA form on their own may want to delegate
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the updating of virtual names to the generic updater. Since FUD
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chains are easier to maintain, this simplifies the work they need
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to do. NOTE: If this flag is used, any OLD->NEW mappings for real
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names are explicitly destroyed and only the symbols marked for
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renaming are processed. */
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#define TODO_update_ssa_only_virtuals (1 << 11)
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/* Some passes leave unused local variables that can be removed from
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cfun->unexpanded_var_list. This reduces the size of dump files and
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the memory footprint for VAR_DECLs. */
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#define TODO_remove_unused_locals (1 << 12)
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/* Internally used for the first in a sequence of passes. It is set
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for the passes that are handed to register_dump_files. */
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#define TODO_set_props (1 << 13)
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/* Set by passes that may make SMT's that were previously never used
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in statements, used. */
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#define TODO_update_smt_usage (1 << 14)
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#define TODO_update_ssa_any \
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(TODO_update_ssa \
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| TODO_update_ssa_no_phi \
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| TODO_update_ssa_full_phi \
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| TODO_update_ssa_only_virtuals)
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#define TODO_verify_all \
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(TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts)
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extern void tree_lowering_passes (tree decl);
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extern struct tree_opt_pass pass_mudflap_1;
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extern struct tree_opt_pass pass_mudflap_2;
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extern struct tree_opt_pass pass_remove_useless_stmts;
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extern struct tree_opt_pass pass_lower_cf;
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extern struct tree_opt_pass pass_lower_eh;
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extern struct tree_opt_pass pass_build_cfg;
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extern struct tree_opt_pass pass_tree_profile;
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extern struct tree_opt_pass pass_early_tree_profile;
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extern struct tree_opt_pass pass_cleanup_cfg;
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extern struct tree_opt_pass pass_referenced_vars;
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extern struct tree_opt_pass pass_sra;
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extern struct tree_opt_pass pass_tail_recursion;
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extern struct tree_opt_pass pass_tail_calls;
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extern struct tree_opt_pass pass_tree_loop;
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extern struct tree_opt_pass pass_tree_loop_init;
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extern struct tree_opt_pass pass_lim;
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extern struct tree_opt_pass pass_tree_unswitch;
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extern struct tree_opt_pass pass_iv_canon;
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extern struct tree_opt_pass pass_scev_cprop;
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extern struct tree_opt_pass pass_empty_loop;
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extern struct tree_opt_pass pass_record_bounds;
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extern struct tree_opt_pass pass_if_conversion;
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extern struct tree_opt_pass pass_vectorize;
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extern struct tree_opt_pass pass_complete_unroll;
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extern struct tree_opt_pass pass_loop_prefetch;
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extern struct tree_opt_pass pass_iv_optimize;
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extern struct tree_opt_pass pass_tree_loop_done;
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extern struct tree_opt_pass pass_ch;
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extern struct tree_opt_pass pass_ccp;
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extern struct tree_opt_pass pass_phi_only_cprop;
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extern struct tree_opt_pass pass_build_ssa;
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extern struct tree_opt_pass pass_del_ssa;
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extern struct tree_opt_pass pass_dominator;
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extern struct tree_opt_pass pass_dce;
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extern struct tree_opt_pass pass_dce_loop;
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extern struct tree_opt_pass pass_cd_dce;
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extern struct tree_opt_pass pass_merge_phi;
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extern struct tree_opt_pass pass_may_alias;
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extern struct tree_opt_pass pass_split_crit_edges;
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extern struct tree_opt_pass pass_pre;
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extern struct tree_opt_pass pass_profile;
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extern struct tree_opt_pass pass_lower_complex_O0;
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extern struct tree_opt_pass pass_lower_complex;
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extern struct tree_opt_pass pass_lower_vector;
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extern struct tree_opt_pass pass_lower_vector_ssa;
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extern struct tree_opt_pass pass_lower_omp;
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extern struct tree_opt_pass pass_expand_omp;
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extern struct tree_opt_pass pass_object_sizes;
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extern struct tree_opt_pass pass_fold_builtins;
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extern struct tree_opt_pass pass_stdarg;
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extern struct tree_opt_pass pass_early_warn_uninitialized;
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extern struct tree_opt_pass pass_late_warn_uninitialized;
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extern struct tree_opt_pass pass_cse_reciprocals;
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extern struct tree_opt_pass pass_warn_function_return;
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extern struct tree_opt_pass pass_warn_function_noreturn;
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extern struct tree_opt_pass pass_phiopt;
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extern struct tree_opt_pass pass_forwprop;
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extern struct tree_opt_pass pass_redundant_phi;
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extern struct tree_opt_pass pass_dse;
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extern struct tree_opt_pass pass_nrv;
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extern struct tree_opt_pass pass_mark_used_blocks;
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extern struct tree_opt_pass pass_rename_ssa_copies;
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extern struct tree_opt_pass pass_expand;
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extern struct tree_opt_pass pass_rest_of_compilation;
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extern struct tree_opt_pass pass_sink_code;
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extern struct tree_opt_pass pass_fre;
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extern struct tree_opt_pass pass_linear_transform;
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extern struct tree_opt_pass pass_copy_prop;
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extern struct tree_opt_pass pass_store_ccp;
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extern struct tree_opt_pass pass_store_copy_prop;
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extern struct tree_opt_pass pass_vrp;
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extern struct tree_opt_pass pass_create_structure_vars;
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extern struct tree_opt_pass pass_uncprop;
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extern struct tree_opt_pass pass_return_slot;
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extern struct tree_opt_pass pass_reassoc;
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extern struct tree_opt_pass pass_rebuild_cgraph_edges;
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extern struct tree_opt_pass pass_reset_cc_flags;
|
| 307 |
|
|
|
| 308 |
|
|
/* IPA Passes */
|
| 309 |
|
|
extern struct tree_opt_pass pass_ipa_cp;
|
| 310 |
|
|
extern struct tree_opt_pass pass_ipa_inline;
|
| 311 |
|
|
extern struct tree_opt_pass pass_early_ipa_inline;
|
| 312 |
|
|
extern struct tree_opt_pass pass_ipa_reference;
|
| 313 |
|
|
extern struct tree_opt_pass pass_ipa_pure_const;
|
| 314 |
|
|
extern struct tree_opt_pass pass_ipa_type_escape;
|
| 315 |
|
|
extern struct tree_opt_pass pass_ipa_pta;
|
| 316 |
|
|
extern struct tree_opt_pass pass_early_local_passes;
|
| 317 |
|
|
|
| 318 |
|
|
extern struct tree_opt_pass pass_all_optimizations;
|
| 319 |
|
|
extern struct tree_opt_pass pass_cleanup_cfg_post_optimizing;
|
| 320 |
|
|
extern struct tree_opt_pass pass_free_cfg_annotations;
|
| 321 |
|
|
extern struct tree_opt_pass pass_free_datastructures;
|
| 322 |
|
|
extern struct tree_opt_pass pass_init_datastructures;
|
| 323 |
|
|
extern struct tree_opt_pass pass_fixup_cfg;
|
| 324 |
|
|
|
| 325 |
|
|
extern struct tree_opt_pass pass_init_function;
|
| 326 |
|
|
extern struct tree_opt_pass pass_jump;
|
| 327 |
|
|
extern struct tree_opt_pass pass_insn_locators_initialize;
|
| 328 |
|
|
extern struct tree_opt_pass pass_rtl_eh;
|
| 329 |
|
|
extern struct tree_opt_pass pass_initial_value_sets;
|
| 330 |
|
|
extern struct tree_opt_pass pass_unshare_all_rtl;
|
| 331 |
|
|
extern struct tree_opt_pass pass_instantiate_virtual_regs;
|
| 332 |
|
|
extern struct tree_opt_pass pass_jump2;
|
| 333 |
|
|
extern struct tree_opt_pass pass_cse;
|
| 334 |
|
|
extern struct tree_opt_pass pass_gcse;
|
| 335 |
|
|
extern struct tree_opt_pass pass_jump_bypass;
|
| 336 |
|
|
extern struct tree_opt_pass pass_profiling;
|
| 337 |
|
|
extern struct tree_opt_pass pass_rtl_ifcvt;
|
| 338 |
|
|
extern struct tree_opt_pass pass_tracer;
|
| 339 |
|
|
|
| 340 |
|
|
extern struct tree_opt_pass pass_loop2;
|
| 341 |
|
|
extern struct tree_opt_pass pass_rtl_loop_init;
|
| 342 |
|
|
extern struct tree_opt_pass pass_rtl_move_loop_invariants;
|
| 343 |
|
|
extern struct tree_opt_pass pass_rtl_unswitch;
|
| 344 |
|
|
extern struct tree_opt_pass pass_rtl_unroll_and_peel_loops;
|
| 345 |
|
|
extern struct tree_opt_pass pass_rtl_doloop;
|
| 346 |
|
|
extern struct tree_opt_pass pass_rtl_loop_done;
|
| 347 |
|
|
|
| 348 |
|
|
extern struct tree_opt_pass pass_web;
|
| 349 |
|
|
extern struct tree_opt_pass pass_cse2;
|
| 350 |
|
|
extern struct tree_opt_pass pass_life;
|
| 351 |
|
|
extern struct tree_opt_pass pass_combine;
|
| 352 |
|
|
extern struct tree_opt_pass pass_if_after_combine;
|
| 353 |
|
|
extern struct tree_opt_pass pass_partition_blocks;
|
| 354 |
|
|
extern struct tree_opt_pass pass_partition_blocks;
|
| 355 |
|
|
extern struct tree_opt_pass pass_regmove;
|
| 356 |
|
|
extern struct tree_opt_pass pass_split_all_insns;
|
| 357 |
|
|
extern struct tree_opt_pass pass_mode_switching;
|
| 358 |
|
|
extern struct tree_opt_pass pass_see;
|
| 359 |
|
|
extern struct tree_opt_pass pass_recompute_reg_usage;
|
| 360 |
|
|
extern struct tree_opt_pass pass_sms;
|
| 361 |
|
|
extern struct tree_opt_pass pass_sched;
|
| 362 |
|
|
extern struct tree_opt_pass pass_local_alloc;
|
| 363 |
|
|
extern struct tree_opt_pass pass_global_alloc;
|
| 364 |
|
|
extern struct tree_opt_pass pass_postreload;
|
| 365 |
|
|
extern struct tree_opt_pass pass_clean_state;
|
| 366 |
|
|
extern struct tree_opt_pass pass_branch_prob;
|
| 367 |
|
|
extern struct tree_opt_pass pass_value_profile_transformations;
|
| 368 |
|
|
extern struct tree_opt_pass pass_remove_death_notes;
|
| 369 |
|
|
extern struct tree_opt_pass pass_postreload_cse;
|
| 370 |
|
|
extern struct tree_opt_pass pass_gcse2;
|
| 371 |
|
|
extern struct tree_opt_pass pass_flow2;
|
| 372 |
|
|
extern struct tree_opt_pass pass_stack_adjustments;
|
| 373 |
|
|
extern struct tree_opt_pass pass_peephole2;
|
| 374 |
|
|
extern struct tree_opt_pass pass_if_after_reload;
|
| 375 |
|
|
extern struct tree_opt_pass pass_regrename;
|
| 376 |
|
|
extern struct tree_opt_pass pass_reorder_blocks;
|
| 377 |
|
|
extern struct tree_opt_pass pass_branch_target_load_optimize;
|
| 378 |
|
|
extern struct tree_opt_pass pass_leaf_regs;
|
| 379 |
|
|
extern struct tree_opt_pass pass_sched2;
|
| 380 |
|
|
extern struct tree_opt_pass pass_stack_regs;
|
| 381 |
|
|
extern struct tree_opt_pass pass_compute_alignments;
|
| 382 |
|
|
extern struct tree_opt_pass pass_duplicate_computed_gotos;
|
| 383 |
|
|
extern struct tree_opt_pass pass_variable_tracking;
|
| 384 |
|
|
extern struct tree_opt_pass pass_free_cfg;
|
| 385 |
|
|
extern struct tree_opt_pass pass_machine_reorg;
|
| 386 |
|
|
extern struct tree_opt_pass pass_purge_lineno_notes;
|
| 387 |
|
|
extern struct tree_opt_pass pass_cleanup_barriers;
|
| 388 |
|
|
extern struct tree_opt_pass pass_delay_slots;
|
| 389 |
|
|
extern struct tree_opt_pass pass_split_for_shorten_branches;
|
| 390 |
|
|
extern struct tree_opt_pass pass_split_before_regstack;
|
| 391 |
|
|
extern struct tree_opt_pass pass_convert_to_eh_region_ranges;
|
| 392 |
|
|
extern struct tree_opt_pass pass_shorten_branches;
|
| 393 |
|
|
extern struct tree_opt_pass pass_set_nothrow_function_flags;
|
| 394 |
|
|
extern struct tree_opt_pass pass_final;
|
| 395 |
|
|
extern struct tree_opt_pass pass_rtl_seqabstr;
|
| 396 |
|
|
|
| 397 |
|
|
/* The root of the compilation pass tree, once constructed. */
|
| 398 |
|
|
extern struct tree_opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
|
| 399 |
|
|
|
| 400 |
|
|
extern void execute_pass_list (struct tree_opt_pass *);
|
| 401 |
|
|
extern void execute_ipa_pass_list (struct tree_opt_pass *);
|
| 402 |
|
|
|
| 403 |
|
|
#endif /* GCC_TREE_PASS_H */
|
