Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 627 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/tree-pass.h b/gcc-4.9/gcc/tree-pass.h
new file mode 100644
index 000000000..3b8677098
--- /dev/null
+++ b/gcc-4.9/gcc/tree-pass.h
@@ -0,0 +1,627 @@
+/* Definitions for describing one tree-ssa optimization pass.
+   Copyright (C) 2004-2014 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@redhat.com>
+
+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_TREE_PASS_H
+#define GCC_TREE_PASS_H 1
+
+#include "timevar.h"
+#include "dumpfile.h"
+
+/* Optimization pass type.  */
+enum opt_pass_type
+{
+  GIMPLE_PASS,
+  RTL_PASS,
+  SIMPLE_IPA_PASS,
+  IPA_PASS
+};
+
+/* Metadata for a pass, non-varying across all instances of a pass.  */
+struct pass_data
+{
+  /* Optimization pass type.  */
+  enum opt_pass_type type;
+
+  /* Terse name of the pass used as a fragment of the dump file
+     name.  If the name starts with a star, no dump happens. */
+  const char *name;
+
+  /* The -fopt-info optimization group flags as defined in dumpfile.h. */
+  unsigned int optinfo_flags;
+
+  /* If true, this pass has its own implementation of the opt_pass::gate
+     method.  */
+  bool has_gate;
+
+  /* If true, this pass has its own implementation of the opt_pass::execute
+     method.  */
+  bool has_execute;
+
+  /* The timevar id associated with this pass.  */
+  /* ??? Ideally would be dynamically assigned.  */
+  timevar_id_t tv_id;
+
+  /* Sets of properties input and output from this pass.  */
+  unsigned int properties_required;
+  unsigned int properties_provided;
+  unsigned int properties_destroyed;
+
+  /* Flags indicating common sets things to do before and after.  */
+  unsigned int todo_flags_start;
+  unsigned int todo_flags_finish;
+};
+
+namespace gcc
+{
+  class context;
+} // namespace gcc
+
+/* An instance of a pass.  This is also "pass_data" to minimize the
+   changes in existing code.  */
+class opt_pass : public pass_data
+{
+public:
+  virtual ~opt_pass () { }
+
+  /* Create a copy of this pass.
+
+     Passes that can have multiple instances must provide their own
+     implementation of this, to ensure that any sharing of state between
+     this instance and the copy is "wired up" correctly.
+
+     The default implementation prints an error message and aborts.  */
+  virtual opt_pass *clone ();
+
+  /* If has_gate is set, this pass and all sub-passes are executed only if
+     the function returns true.
+     The default implementation returns true.  */
+  virtual bool gate ();
+
+  /* This is the code to run.  If has_execute is false, then there should
+     be sub-passes otherwise this pass does nothing.
+     The return value contains TODOs to execute in addition to those in
+     TODO_flags_finish.   */
+  virtual unsigned int execute ();
+
+protected:
+  opt_pass (const pass_data&, gcc::context *);
+
+public:
+  /* A list of sub-passes to run, dependent on gate predicate.  */
+  opt_pass *sub;
+
+  /* Next in the list of passes to run, independent of gate predicate.  */
+  opt_pass *next;
+
+  /* Static pass number, used as a fragment of the dump file name.  */
+  int static_pass_number;
+
+  /* When a given dump file is being initialized, this flag is set to
+     true if the corresponding TDF_graph dump file has also been
+     initialized.  */
+  bool graph_dump_initialized;
+
+protected:
+  gcc::context *m_ctxt;
+};
+
+/* Description of GIMPLE pass.  */
+class gimple_opt_pass : public opt_pass
+{
+protected:
+  gimple_opt_pass (const pass_data& data, gcc::context *ctxt)
+    : opt_pass (data, ctxt)
+  {
+  }
+};
+
+/* Description of RTL pass.  */
+class rtl_opt_pass : public opt_pass
+{
+protected:
+  rtl_opt_pass (const pass_data& data, gcc::context *ctxt)
+    : opt_pass (data, ctxt)
+  {
+  }
+};
+
+class varpool_node;
+struct cgraph_node;
+struct lto_symtab_encoder_d;
+
+/* Description of IPA pass with generate summary, write, execute, read and
+   transform stages.  */
+class ipa_opt_pass_d : public opt_pass
+{
+public:
+  /* IPA passes can analyze function body and variable initializers
+      using this hook and produce summary.  */
+  void (*generate_summary) (void);
+
+  /* This hook is used to serialize IPA summaries on disk.  */
+  void (*write_summary) (void);
+
+  /* This hook is used to deserialize IPA summaries from disk.  */
+  void (*read_summary) (void);
+
+  /* This hook is used to serialize IPA optimization summaries on disk.  */
+  void (*write_optimization_summary) (void);
+
+  /* This hook is used to deserialize IPA summaries from disk.  */
+  void (*read_optimization_summary) (void);
+
+  /* Hook to convert gimple stmt uids into true gimple statements.  The second
+     parameter is an array of statements indexed by their uid. */
+  void (*stmt_fixup) (struct cgraph_node *, gimple *);
+
+  /* Results of interprocedural propagation of an IPA pass is applied to
+     function body via this hook.  */
+  unsigned int function_transform_todo_flags_start;
+  unsigned int (*function_transform) (struct cgraph_node *);
+  void (*variable_transform) (varpool_node *);
+
+protected:
+  ipa_opt_pass_d (const pass_data& data, gcc::context *ctxt,
+		  void (*generate_summary) (void),
+		  void (*write_summary) (void),
+		  void (*read_summary) (void),
+		  void (*write_optimization_summary) (void),
+		  void (*read_optimization_summary) (void),
+		  void (*stmt_fixup) (struct cgraph_node *, gimple *),
+		  unsigned int function_transform_todo_flags_start,
+		  unsigned int (*function_transform) (struct cgraph_node *),
+		  void (*variable_transform) (varpool_node *))
+    : opt_pass (data, ctxt),
+      generate_summary (generate_summary),
+      write_summary (write_summary),
+      read_summary (read_summary),
+      write_optimization_summary (write_optimization_summary),
+      read_optimization_summary (read_optimization_summary),
+      stmt_fixup (stmt_fixup),
+      function_transform_todo_flags_start (function_transform_todo_flags_start),
+      function_transform (function_transform),
+      variable_transform (variable_transform)
+  {
+  }
+};
+
+/* Description of simple IPA pass.  Simple IPA passes have just one execute
+   hook.  */
+class simple_ipa_opt_pass : public opt_pass
+{
+protected:
+  simple_ipa_opt_pass (const pass_data& data, gcc::context *ctxt)
+    : opt_pass (data, ctxt)
+  {
+  }
+};
+
+/* Pass properties.  */
+#define PROP_gimple_any		(1 << 0)	/* entire gimple grammar */
+#define PROP_gimple_lcf		(1 << 1)	/* lowered control flow */
+#define PROP_gimple_leh		(1 << 2)	/* lowered eh */
+#define PROP_cfg		(1 << 3)
+#define PROP_ssa		(1 << 5)
+#define PROP_no_crit_edges      (1 << 6)
+#define PROP_rtl		(1 << 7)
+#define PROP_gimple_lomp	(1 << 8)	/* lowered OpenMP directives */
+#define PROP_cfglayout	 	(1 << 9)	/* cfglayout mode on RTL */
+#define PROP_gimple_lcx		(1 << 10)       /* lowered complex */
+#define PROP_loops		(1 << 11)	/* preserve loop structures */
+#define PROP_gimple_lvec	(1 << 12)       /* lowered vector */
+
+#define PROP_trees \
+  (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
+
+/* To-do flags.  */
+#define TODO_do_not_ggc_collect		(1 << 1)
+#define TODO_verify_ssa			(1 << 2)
+#define TODO_verify_flow		(1 << 3)
+#define TODO_verify_stmts		(1 << 4)
+#define TODO_cleanup_cfg        	(1 << 5)
+#define TODO_dump_symtab		(1 << 7)
+#define TODO_remove_functions		(1 << 8)
+#define TODO_rebuild_frequencies	(1 << 9)
+#define TODO_verify_rtl_sharing         (1 << 10)
+
+/* To-do flags for calls to update_ssa.  */
+
+/* Update the SSA form inserting PHI nodes for newly exposed symbols
+   and virtual names marked for updating.  When updating real names,
+   only insert PHI nodes for a real name O_j in blocks reached by all
+   the new and old definitions for O_j.  If the iterated dominance
+   frontier for O_j is not pruned, we may end up inserting PHI nodes
+   in blocks that have one or more edges with no incoming definition
+   for O_j.  This would lead to uninitialized warnings for O_j's
+   symbol.  */
+#define TODO_update_ssa			(1 << 11)
+
+/* Update the SSA form without inserting any new PHI nodes at all.
+   This is used by passes that have either inserted all the PHI nodes
+   themselves or passes that need only to patch use-def and def-def
+   chains for virtuals (e.g., DCE).  */
+#define TODO_update_ssa_no_phi		(1 << 12)
+
+/* Insert PHI nodes everywhere they are needed.  No pruning of the
+   IDF is done.  This is used by passes that need the PHI nodes for
+   O_j even if it means that some arguments will come from the default
+   definition of O_j's symbol.
+
+   WARNING: If you need to use this flag, chances are that your pass
+   may be doing something wrong.  Inserting PHI nodes for an old name
+   where not all edges carry a new replacement may lead to silent
+   codegen errors or spurious uninitialized warnings.  */
+#define TODO_update_ssa_full_phi	(1 << 13)
+
+/* Passes that update the SSA form on their own may want to delegate
+   the updating of virtual names to the generic updater.  Since FUD
+   chains are easier to maintain, this simplifies the work they need
+   to do.  NOTE: If this flag is used, any OLD->NEW mappings for real
+   names are explicitly destroyed and only the symbols marked for
+   renaming are processed.  */
+#define TODO_update_ssa_only_virtuals	(1 << 14)
+
+/* Some passes leave unused local variables that can be removed from
+   cfun->local_decls.  This reduces the size of dump files
+   and the memory footprint for VAR_DECLs.  */
+#define TODO_remove_unused_locals	(1 << 15)
+
+/* Call df_finish at the end of the pass.  This is done after all of
+   the dumpers have been allowed to run so that they have access to
+   the instance before it is destroyed.  */
+#define TODO_df_finish                  (1 << 17)
+
+/* Call df_verify at the end of the pass if checking is enabled.  */
+#define TODO_df_verify                  (1 << 18)
+
+/* Internally used for the first instance of a pass.  */
+#define TODO_mark_first_instance	(1 << 19)
+
+/* Rebuild aliasing info.  */
+#define TODO_rebuild_alias              (1 << 20)
+
+/* Rebuild the addressable-vars bitmap and do register promotion.  */
+#define TODO_update_address_taken	(1 << 21)
+
+/* Rebuild the callgraph edges.  */
+#define TODO_rebuild_cgraph_edges       (1 << 22)
+
+/* Internally used in execute_function_todo().  */
+#define TODO_update_ssa_any		\
+    (TODO_update_ssa			\
+     | TODO_update_ssa_no_phi		\
+     | TODO_update_ssa_full_phi		\
+     | TODO_update_ssa_only_virtuals)
+
+#define TODO_verify_all \
+  (TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts)
+
+
+/* Register pass info. */
+
+enum pass_positioning_ops
+{
+  PASS_POS_INSERT_AFTER,  /* Insert after the reference pass.  */
+  PASS_POS_INSERT_BEFORE, /* Insert before the reference pass.  */
+  PASS_POS_REPLACE        /* Replace the reference pass.  */
+};
+
+struct register_pass_info
+{
+  opt_pass *pass;		    /* New pass to register.  */
+  const char *reference_pass_name;  /* Name of the reference pass for hooking
+                                       up the new pass.  */
+  int ref_pass_instance_number;     /* Insert the pass at the specified
+                                       instance number of the reference pass.
+                                       Do it for every instance if it is 0.  */
+  enum pass_positioning_ops pos_op; /* how to insert the new pass.  */
+};
+
+/* Registers a new pass.  Either fill out the register_pass_info or specify
+   the individual parameters.  The pass object is expected to have been
+   allocated using operator new and the pass manager takes the ownership of
+   the pass object.  */
+extern void register_pass (register_pass_info *);
+extern void register_pass (opt_pass* pass, pass_positioning_ops pos,
+			   const char* ref_pass_name, int ref_pass_inst_number);
+
+extern gimple_opt_pass *make_pass_asan (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_asan_O0 (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tsan (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tsan_O0 (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_cf (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_refactor_eh (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_eh (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_eh_dispatch (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_resx (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_build_cfg (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_early_tree_profile (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_cleanup_eh (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_sra (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_sra_early (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_early_ipa_sra (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tail_recursion (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tail_calls (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tree_loop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tree_loop_init (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lim (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tree_unswitch (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_predcom (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_iv_canon (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_scev_cprop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_empty_loop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_record_bounds (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_graphite (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_graphite_transforms (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_if_conversion (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_loop_distribution (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_vectorize (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_slp_vectorize (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_complete_unroll (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_complete_unrolli (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_parallelize_loops (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_loop_prefetch (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_iv_optimize (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tree_loop_done (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_ch (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_ccp (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_phi_only_cprop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_build_ssa (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_build_alias (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_build_ealias (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_dominator (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_dce (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_dce_loop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_cd_dce (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_call_cdce (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_merge_phi (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_split_crit_edges (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_pre (gcc::context *ctxt);
+extern unsigned int tail_merge_optimize (unsigned int);
+extern gimple_opt_pass *make_pass_profile (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_strip_predict_hints (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_complex_O0 (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_complex (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_vector (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_vector_ssa (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_omp (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_diagnose_omp_blocks (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_expand_omp (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_object_sizes (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_strlen (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_fold_builtins (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_stdarg (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_warn_function_return (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_warn_function_noreturn (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_cselim (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_phiopt (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_forwprop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_phiprop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tree_ifcombine (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_dse (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_nrv (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_rename_ssa_copies (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_sink_code (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_fre (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_check_data_deps (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_copy_prop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_isolate_erroneous_paths (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_vrp (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_uncprop (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_return_slot (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_reassoc (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_rebuild_cgraph_edges (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_remove_cgraph_callee_edges (gcc::context
+							      *ctxt);
+extern gimple_opt_pass *make_pass_build_cgraph_edges (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_local_pure_const (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tracer (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_warn_unused_result (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_diagnose_tm_blocks (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_lower_tm (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tm_init (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tm_mark (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tm_memopt (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_tm_edges (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_split_functions (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_feedback_split_functions (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_strength_reduction (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_vtable_verify (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_ubsan (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_sanopt (gcc::context *ctxt);
+
+/* IPA Passes */
+extern simple_ipa_opt_pass *make_pass_ipa_lower_emutls (gcc::context *ctxt);
+extern simple_ipa_opt_pass
+							      *make_pass_ipa_function_and_variable_visibility (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_tree_profile (gcc::context *ctxt);
+
+extern simple_ipa_opt_pass *make_pass_early_local_passes (gcc::context *ctxt);
+
+extern ipa_opt_pass_d *make_pass_ipa_whole_program_visibility (gcc::context
+							       *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_increase_alignment (gcc::context
+							      *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_inline (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_free_lang_data (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_free_inline_summary (gcc::context
+							       *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_cp (gcc::context *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_devirt (gcc::context *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_reference (gcc::context *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt);
+extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt);
+
+extern gimple_opt_pass *make_pass_cleanup_cfg_post_optimizing (gcc::context
+							       *ctxt);
+extern gimple_opt_pass *make_pass_init_datastructures (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_fixup_cfg (gcc::context *ctxt);
+
+extern rtl_opt_pass *make_pass_expand (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_instantiate_virtual_regs (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_fwprop (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_fwprop_addr (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_jump (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_jump2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_lower_subreg (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_cse (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_fast_rtl_dce (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_ud_rtl_dce (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_dce (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_dse1 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_dse2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_dse3 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_cprop (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_pre (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_hoist (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_store_motion (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_cse_after_global_opts (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_ifcvt (gcc::context *ctxt);
+
+extern rtl_opt_pass *make_pass_into_cfg_layout_mode (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_outof_cfg_layout_mode (gcc::context *ctxt);
+
+extern rtl_opt_pass *make_pass_loop2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_loop_init (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_move_loop_invariants (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_unswitch (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_unroll_and_peel_loops (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_doloop (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_loop_done (gcc::context *ctxt);
+
+extern rtl_opt_pass *make_pass_web (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_cse2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_df_initialize_opt (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_df_initialize_no_opt (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_reginfo_init (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_inc_dec (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_stack_ptr_mod (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_initialize_regs (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_combine (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_if_after_combine (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_ree (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_partition_blocks (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_match_asm_constraints (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_split_all_insns (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_fast_rtl_byte_dce (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_lower_subreg2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_mode_switching (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_sms (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_sched (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_live_range_shrinkage (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_ira (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_reload (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_clean_state (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_branch_prob (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_value_profile_transformations (gcc::context
+							      *ctxt);
+extern rtl_opt_pass *make_pass_postreload_cse (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_gcse2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_split_after_reload (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_branch_target_load_optimize1 (gcc::context
+							     *ctxt);
+extern rtl_opt_pass *make_pass_thread_prologue_and_epilogue (gcc::context
+							     *ctxt);
+extern rtl_opt_pass *make_pass_stack_adjustments (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_peephole2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_if_after_reload (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_regrename (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_cprop_hardreg (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_reorder_blocks (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_branch_target_load_optimize2 (gcc::context
+							     *ctxt);
+extern rtl_opt_pass *make_pass_leaf_regs (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_split_before_sched2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_compare_elim_after_reload (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_sched2 (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_stack_regs (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_stack_regs_run (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_df_finish (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_compute_alignments (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_duplicate_computed_gotos (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_variable_tracking (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_free_cfg (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_machine_reorg (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_cleanup_barriers (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_delay_slots (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_split_for_shorten_branches (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_split_before_regstack (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_convert_to_eh_region_ranges (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_shorten_branches (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_set_nothrow_function_flags (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_dwarf2_frame (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_final (gcc::context *ctxt);
+extern rtl_opt_pass *make_pass_rtl_seqabstr (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_release_ssa_names (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_early_inline (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_inline_parameters (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_update_address_taken (gcc::context *ctxt);
+extern gimple_opt_pass *make_pass_convert_switch (gcc::context *ctxt);
+
+/* Current optimization pass.  */
+extern opt_pass *current_pass;
+
+extern bool execute_one_pass (opt_pass *);
+extern void execute_pass_list (opt_pass *);
+extern void execute_ipa_pass_list (opt_pass *);
+extern void execute_ipa_summary_passes (ipa_opt_pass_d *);
+extern void execute_all_ipa_transforms (void);
+extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple *);
+extern bool pass_init_dump_file (opt_pass *);
+extern void pass_fini_dump_file (opt_pass *);
+
+extern const char *get_current_pass_name (void);
+extern void print_current_pass (FILE *);
+extern void debug_pass (void);
+extern void ipa_write_summaries (void);
+extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d *);
+extern void ipa_read_summaries (void);
+extern void ipa_read_optimization_summaries (void);
+extern void register_one_dump_file (opt_pass *);
+extern bool function_called_by_processed_nodes_p (void);
+
+/* Set to true if the pass is called the first time during compilation of the
+   current function.  Note that using this information in the optimization
+   passes is considered not to be clean, and it should be avoided if possible.
+   This flag is currently used to prevent loops from being peeled repeatedly
+   in jump threading; it will be removed once we preserve loop structures
+   throughout the compilation -- we will be able to mark the affected loops
+   directly in jump threading, and avoid peeling them next time.  */
+extern bool first_pass_instance;
+
+/* Declare for plugins.  */
+extern void do_per_function_toporder (void (*) (void *), void *);
+
+extern void disable_pass (const char *);
+extern void enable_pass (const char *);
+extern void dump_passes (void);
+
+#endif /* GCC_TREE_PASS_H */