diff gcc/passes.c @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children caeb520cebed 77e2b8dfacca
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/passes.c	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,1372 @@
+/* Top level of GCC compilers (cc1, cc1plus, etc.)
+   Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   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/>.  */
+
+/* This is the top level of cc1/c++.
+   It parses command args, opens files, invokes the various passes
+   in the proper order, and counts the time used by each.
+   Error messages and low-level interface to malloc also handled here.  */
+
+#include "config.h"
+#undef FLOAT /* This is for hpux. They should change hpux.  */
+#undef FFS  /* Some systems define this in param.h.  */
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include <signal.h>
+
+#ifdef HAVE_SYS_RESOURCE_H
+# include <sys/resource.h>
+#endif
+
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+
+#include "line-map.h"
+#include "input.h"
+#include "tree.h"
+#include "rtl.h"
+#include "tm_p.h"
+#include "flags.h"
+#include "insn-attr.h"
+#include "insn-config.h"
+#include "insn-flags.h"
+#include "hard-reg-set.h"
+#include "recog.h"
+#include "output.h"
+#include "except.h"
+#include "function.h"
+#include "toplev.h"
+#include "expr.h"
+#include "basic-block.h"
+#include "intl.h"
+#include "ggc.h"
+#include "graph.h"
+#include "regs.h"
+#include "timevar.h"
+#include "diagnostic.h"
+#include "params.h"
+#include "reload.h"
+#include "dwarf2asm.h"
+#include "integrate.h"
+#include "real.h"
+#include "debug.h"
+#include "target.h"
+#include "langhooks.h"
+#include "cfglayout.h"
+#include "cfgloop.h"
+#include "hosthooks.h"
+#include "cgraph.h"
+#include "opts.h"
+#include "coverage.h"
+#include "value-prof.h"
+#include "tree-inline.h"
+#include "tree-flow.h"
+#include "tree-pass.h"
+#include "tree-dump.h"
+#include "df.h"
+#include "predict.h"
+
+#if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
+#include "dwarf2out.h"
+#endif
+
+#if defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO)
+#include "dbxout.h"
+#endif
+
+#ifdef SDB_DEBUGGING_INFO
+#include "sdbout.h"
+#endif
+
+#ifdef XCOFF_DEBUGGING_INFO
+#include "xcoffout.h"		/* Needed for external data
+				   declarations for e.g. AIX 4.x.  */
+#endif
+
+/* This is used for debugging.  It allows the current pass to printed
+   from anywhere in compilation.  */
+struct opt_pass *current_pass;
+
+/* Call from anywhere to find out what pass this is.  Useful for
+   printing out debugging information deep inside an service
+   routine.  */
+void
+print_current_pass (FILE *file)
+{
+  if (current_pass)
+    fprintf (file, "current pass = %s (%d)\n", 
+	     current_pass->name, current_pass->static_pass_number);
+  else
+    fprintf (file, "no current pass.\n");
+}
+
+
+/* Call from the debugger to get the current pass name.  */
+void
+debug_pass (void)
+{
+  print_current_pass (stderr);
+} 
+
+
+
+/* Global variables used to communicate with passes.  */
+int dump_flags;
+bool in_gimple_form;
+bool first_pass_instance;
+
+
+/* This is called from various places for FUNCTION_DECL, VAR_DECL,
+   and TYPE_DECL nodes.
+
+   This does nothing for local (non-static) variables, unless the
+   variable is a register variable with DECL_ASSEMBLER_NAME set.  In
+   that case, or if the variable is not an automatic, it sets up the
+   RTL and outputs any assembler code (label definition, storage
+   allocation and initialization).
+
+   DECL is the declaration.  TOP_LEVEL is nonzero
+   if this declaration is not within a function.  */
+
+void
+rest_of_decl_compilation (tree decl,
+			  int top_level,
+			  int at_end)
+{
+  /* We deferred calling assemble_alias so that we could collect
+     other attributes such as visibility.  Emit the alias now.  */
+  {
+    tree alias;
+    alias = lookup_attribute ("alias", DECL_ATTRIBUTES (decl));
+    if (alias)
+      {
+	alias = TREE_VALUE (TREE_VALUE (alias));
+	alias = get_identifier (TREE_STRING_POINTER (alias));
+	assemble_alias (decl, alias);
+      }
+  }
+
+  /* Can't defer this, because it needs to happen before any
+     later function definitions are processed.  */
+  if (DECL_ASSEMBLER_NAME_SET_P (decl) && DECL_REGISTER (decl))
+    make_decl_rtl (decl);
+
+  /* Forward declarations for nested functions are not "external",
+     but we need to treat them as if they were.  */
+  if (TREE_STATIC (decl) || DECL_EXTERNAL (decl)
+      || TREE_CODE (decl) == FUNCTION_DECL)
+    {
+      timevar_push (TV_VARCONST);
+
+      /* Don't output anything when a tentative file-scope definition
+	 is seen.  But at end of compilation, do output code for them.
+
+	 We do output all variables and rely on
+	 callgraph code to defer them except for forward declarations
+	 (see gcc.c-torture/compile/920624-1.c) */
+      if ((at_end
+	   || !DECL_DEFER_OUTPUT (decl)
+	   || DECL_INITIAL (decl))
+	  && !DECL_EXTERNAL (decl))
+	{
+	  if (TREE_CODE (decl) != FUNCTION_DECL)
+	    varpool_finalize_decl (decl);
+	  else
+	    assemble_variable (decl, top_level, at_end, 0);
+	}
+
+#ifdef ASM_FINISH_DECLARE_OBJECT
+      if (decl == last_assemble_variable_decl)
+	{
+	  ASM_FINISH_DECLARE_OBJECT (asm_out_file, decl,
+				     top_level, at_end);
+	}
+#endif
+
+      timevar_pop (TV_VARCONST);
+    }
+  else if (TREE_CODE (decl) == TYPE_DECL
+	   /* Like in rest_of_type_compilation, avoid confusing the debug
+	      information machinery when there are errors.  */
+	   && !(sorrycount || errorcount))
+    {
+      timevar_push (TV_SYMOUT);
+      debug_hooks->type_decl (decl, !top_level);
+      timevar_pop (TV_SYMOUT);
+    }
+
+  /* Let cgraph know about the existence of variables.  */
+  if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
+    varpool_node (decl);
+}
+
+/* Called after finishing a record, union or enumeral type.  */
+
+void
+rest_of_type_compilation (tree type, int toplev)
+{
+  /* Avoid confusing the debug information machinery when there are
+     errors.  */
+  if (errorcount != 0 || sorrycount != 0)
+    return;
+
+  timevar_push (TV_SYMOUT);
+  debug_hooks->type_decl (TYPE_STUB_DECL (type), !toplev);
+  timevar_pop (TV_SYMOUT);
+}
+
+
+
+void
+finish_optimization_passes (void)
+{
+  enum tree_dump_index i;
+  struct dump_file_info *dfi;
+  char *name;
+
+  timevar_push (TV_DUMP);
+  if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
+    {
+      dump_file = dump_begin (pass_profile.pass.static_pass_number, NULL);
+      end_branch_prob ();
+      if (dump_file)
+	dump_end (pass_profile.pass.static_pass_number, dump_file);
+    }
+
+  if (optimize > 0)
+    {
+      dump_file = dump_begin (pass_combine.pass.static_pass_number, NULL);
+      if (dump_file)
+	{
+	  dump_combine_total_stats (dump_file);
+          dump_end (pass_combine.pass.static_pass_number, dump_file);
+	}
+    }
+
+  /* Do whatever is necessary to finish printing the graphs.  */
+  if (graph_dump_format != no_graph)
+    for (i = TDI_end; (dfi = get_dump_file_info (i)) != NULL; ++i)
+      if (dump_initialized_p (i)
+	  && (dfi->flags & TDF_GRAPH) != 0
+	  && (name = get_dump_file_name (i)) != NULL)
+	{
+	  finish_graph_dump_file (name);
+	  free (name);
+	}
+
+  timevar_pop (TV_DUMP);
+}
+
+static bool
+gate_rest_of_compilation (void)
+{
+  /* Early return if there were errors.  We can run afoul of our
+     consistency checks, and there's not really much point in fixing them.  */
+  return !(rtl_dump_and_exit || flag_syntax_only || errorcount || sorrycount);
+}
+
+struct gimple_opt_pass pass_rest_of_compilation =
+{
+ {
+  GIMPLE_PASS,
+  NULL,                                 /* name */
+  gate_rest_of_compilation,             /* gate */
+  NULL,                                 /* execute */
+  NULL,                                 /* sub */
+  NULL,                                 /* next */
+  0,                                    /* static_pass_number */
+  TV_REST_OF_COMPILATION,               /* tv_id */
+  PROP_rtl,                             /* properties_required */
+  0,                                    /* properties_provided */
+  0,                                    /* properties_destroyed */
+  0,                                    /* todo_flags_start */
+  TODO_ggc_collect                      /* todo_flags_finish */
+ }
+};
+
+static bool
+gate_postreload (void)
+{
+  return reload_completed;
+}
+
+struct rtl_opt_pass pass_postreload =
+{
+ {
+  RTL_PASS,
+  NULL,                                 /* name */
+  gate_postreload,                      /* gate */
+  NULL,                                 /* execute */
+  NULL,                                 /* sub */
+  NULL,                                 /* next */
+  0,                                    /* static_pass_number */
+  0,                                    /* tv_id */
+  PROP_rtl,                             /* properties_required */
+  0,                                    /* properties_provided */
+  0,                                    /* properties_destroyed */
+  0,                                    /* todo_flags_start */
+  TODO_ggc_collect | TODO_verify_rtl_sharing /* todo_flags_finish */
+ }
+};
+
+
+
+/* The root of the compilation pass tree, once constructed.  */
+struct opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
+
+/* A map from static pass id to optimization pass.  */
+struct opt_pass **passes_by_id;
+int passes_by_id_size;
+
+/* Set the static pass number of pass PASS to ID and record that
+   in the mapping from static pass number to pass.  */
+
+static void
+set_pass_for_id (int id, struct opt_pass *pass)
+{
+  pass->static_pass_number = id;
+  if (passes_by_id_size <= id)
+    {
+      passes_by_id = XRESIZEVEC (struct opt_pass *, passes_by_id, id + 1);
+      memset (passes_by_id + passes_by_id_size, 0,
+	      (id + 1 - passes_by_id_size) * sizeof (void *));
+      passes_by_id_size = id + 1;
+    }
+  passes_by_id[id] = pass;
+}
+
+/* Return the pass with the static pass number ID.  */
+
+struct opt_pass *
+get_pass_for_id (int id)
+{
+  if (id >= passes_by_id_size)
+    return NULL;
+  return passes_by_id[id];
+}
+
+/* Iterate over the pass tree allocating dump file numbers.  We want
+   to do this depth first, and independent of whether the pass is
+   enabled or not.  */
+
+static void
+register_one_dump_file (struct opt_pass *pass)
+{
+  char *dot_name, *flag_name, *glob_name;
+  const char *prefix;
+  char num[10];
+  int flags, id;
+
+  /* See below in next_pass_1.  */
+  num[0] = '\0';
+  if (pass->static_pass_number != -1)
+    sprintf (num, "%d", ((int) pass->static_pass_number < 0
+			 ? 1 : pass->static_pass_number));
+
+  dot_name = concat (".", pass->name, num, NULL);
+  if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS)
+    prefix = "ipa-", flags = TDF_IPA;
+  else if (pass->type == GIMPLE_PASS)
+    prefix = "tree-", flags = TDF_TREE;
+  else
+    prefix = "rtl-", flags = TDF_RTL;
+
+  flag_name = concat (prefix, pass->name, num, NULL);
+  glob_name = concat (prefix, pass->name, NULL);
+  id = dump_register (dot_name, flag_name, glob_name, flags);
+  set_pass_for_id (id, pass);
+}
+
+/* Recursive worker function for register_dump_files.  */
+
+static int 
+register_dump_files_1 (struct opt_pass *pass, int properties)
+{
+  do
+    {
+      int new_properties = (properties | pass->properties_provided)
+			   & ~pass->properties_destroyed;
+
+      if (pass->name && pass->name[0] != '*')
+        register_one_dump_file (pass);
+
+      if (pass->sub)
+        new_properties = register_dump_files_1 (pass->sub, new_properties);
+
+      /* If we have a gate, combine the properties that we could have with
+         and without the pass being examined.  */
+      if (pass->gate)
+        properties &= new_properties;
+      else
+        properties = new_properties;
+
+      pass = pass->next;
+    }
+  while (pass);
+
+  return properties;
+}
+
+/* Register the dump files for the pipeline starting at PASS. 
+   PROPERTIES reflects the properties that are guaranteed to be available at
+   the beginning of the pipeline.  */
+
+static void 
+register_dump_files (struct opt_pass *pass,int properties)
+{
+  pass->properties_required |= properties;
+  register_dump_files_1 (pass, properties);
+}
+
+/* Add a pass to the pass list. Duplicate the pass if it's already
+   in the list.  */
+
+static struct opt_pass **
+next_pass_1 (struct opt_pass **list, struct opt_pass *pass)
+{
+  /* A nonzero static_pass_number indicates that the
+     pass is already in the list.  */
+  if (pass->static_pass_number)
+    {
+      struct opt_pass *new_pass;
+
+      new_pass = XNEW (struct opt_pass);
+      memcpy (new_pass, pass, sizeof (*new_pass));
+      new_pass->next = NULL;
+
+      new_pass->todo_flags_start &= ~TODO_mark_first_instance;
+
+      /* Indicate to register_dump_files that this pass has duplicates,
+         and so it should rename the dump file.  The first instance will
+         be -1, and be number of duplicates = -static_pass_number - 1.
+         Subsequent instances will be > 0 and just the duplicate number.  */
+      if (pass->name)
+        {
+          pass->static_pass_number -= 1;
+          new_pass->static_pass_number = -pass->static_pass_number;
+	}
+      
+      *list = new_pass;
+    }
+  else
+    {
+      pass->todo_flags_start |= TODO_mark_first_instance;
+      pass->static_pass_number = -1;
+      *list = pass;
+    }  
+  
+  return &(*list)->next;
+          
+}
+
+
+/* Construct the pass tree.  The sequencing of passes is driven by
+   the cgraph routines:
+
+   cgraph_finalize_compilation_unit ()
+       for each node N in the cgraph
+	   cgraph_analyze_function (N)
+	       cgraph_lower_function (N) -> all_lowering_passes
+
+   If we are optimizing, cgraph_optimize is then invoked:
+
+   cgraph_optimize ()
+       ipa_passes () 			-> all_ipa_passes
+       cgraph_expand_all_functions ()
+           for each node N in the cgraph
+	       cgraph_expand_function (N)
+		  tree_rest_of_compilation (DECL (N))  -> all_passes
+*/
+
+void
+init_optimization_passes (void)
+{
+  struct opt_pass **p;
+
+#define NEXT_PASS(PASS)  (p = next_pass_1 (p, &((PASS).pass)))
+
+ /* All passes needed to lower the function into shape optimizers can
+    operate on.  These passes are always run first on the function, but
+    backend might produce already lowered functions that are not processed
+    by these passes.  */
+  p = &all_lowering_passes;
+  NEXT_PASS (pass_remove_useless_stmts);
+  NEXT_PASS (pass_mudflap_1);
+  NEXT_PASS (pass_lower_omp);
+  NEXT_PASS (pass_lower_cf);
+  NEXT_PASS (pass_refactor_eh);
+  NEXT_PASS (pass_lower_eh);
+  NEXT_PASS (pass_build_cfg);
+  NEXT_PASS (pass_lower_complex_O0);
+  NEXT_PASS (pass_lower_vector);
+  NEXT_PASS (pass_warn_function_return);
+  NEXT_PASS (pass_build_cgraph_edges);
+  NEXT_PASS (pass_inline_parameters);
+  *p = NULL;
+
+  /* Interprocedural optimization passes.  */
+  p = &all_ipa_passes;
+  NEXT_PASS (pass_ipa_function_and_variable_visibility);
+  NEXT_PASS (pass_ipa_early_inline);
+    {
+      struct opt_pass **p = &pass_ipa_early_inline.pass.sub;
+      NEXT_PASS (pass_early_inline);
+      NEXT_PASS (pass_inline_parameters);
+      NEXT_PASS (pass_rebuild_cgraph_edges);
+    }
+  NEXT_PASS (pass_early_local_passes);
+    {
+      struct opt_pass **p = &pass_early_local_passes.pass.sub;
+      NEXT_PASS (pass_tree_profile);
+      NEXT_PASS (pass_cleanup_cfg);
+      NEXT_PASS (pass_init_datastructures);
+      NEXT_PASS (pass_expand_omp);
+
+      NEXT_PASS (pass_referenced_vars);
+      NEXT_PASS (pass_reset_cc_flags);
+      NEXT_PASS (pass_build_ssa);
+      NEXT_PASS (pass_early_warn_uninitialized);
+      NEXT_PASS (pass_all_early_optimizations);
+	{
+	  struct opt_pass **p = &pass_all_early_optimizations.pass.sub;
+	  NEXT_PASS (pass_rebuild_cgraph_edges);
+	  NEXT_PASS (pass_early_inline);
+	  NEXT_PASS (pass_rename_ssa_copies);
+	  NEXT_PASS (pass_ccp);
+	  NEXT_PASS (pass_forwprop);
+	  NEXT_PASS (pass_update_address_taken);
+	  NEXT_PASS (pass_sra_early);
+	  NEXT_PASS (pass_copy_prop);
+	  NEXT_PASS (pass_merge_phi);
+	  NEXT_PASS (pass_cd_dce);
+	  NEXT_PASS (pass_simple_dse);
+	  NEXT_PASS (pass_tail_recursion);
+	  NEXT_PASS (pass_convert_switch);
+          NEXT_PASS (pass_profile);
+	}
+      NEXT_PASS (pass_release_ssa_names);
+      NEXT_PASS (pass_rebuild_cgraph_edges);
+      NEXT_PASS (pass_inline_parameters);
+    }
+  NEXT_PASS (pass_ipa_increase_alignment);
+  NEXT_PASS (pass_ipa_matrix_reorg);
+  NEXT_PASS (pass_ipa_cp);
+  NEXT_PASS (pass_ipa_inline);
+  NEXT_PASS (pass_ipa_reference);
+  NEXT_PASS (pass_ipa_pure_const); 
+  NEXT_PASS (pass_ipa_type_escape);
+  NEXT_PASS (pass_ipa_pta);
+  NEXT_PASS (pass_ipa_struct_reorg);  
+  *p = NULL;
+
+  /* These passes are run after IPA passes on every function that is being
+     output to the assembler file.  */
+  p = &all_passes;
+  NEXT_PASS (pass_all_optimizations);
+    {
+      struct opt_pass **p = &pass_all_optimizations.pass.sub;
+      /* Initial scalar cleanups before alias computation.
+	 They ensure memory accesses are not indirect wherever possible.  */
+      NEXT_PASS (pass_strip_predict_hints);
+      NEXT_PASS (pass_update_address_taken);
+      NEXT_PASS (pass_rename_ssa_copies);
+      NEXT_PASS (pass_complete_unrolli);
+      NEXT_PASS (pass_ccp);
+      NEXT_PASS (pass_forwprop);
+      /* Ideally the function call conditional
+	 dead code elimination phase can be delayed
+	 till later where potentially more opportunities
+	 can be found.  Due to lack of good ways to
+	 update VDEFs associated with the shrink-wrapped
+	 calls, it is better to do the transformation
+	 here where memory SSA is not built yet.  */
+      NEXT_PASS (pass_call_cdce);
+      /* pass_build_alias is a dummy pass that ensures that we
+	 execute TODO_rebuild_alias at this point.  Re-building
+	 alias information also rewrites no longer addressed
+	 locals into SSA form if possible.  */
+      NEXT_PASS (pass_build_alias);
+      NEXT_PASS (pass_return_slot);
+      NEXT_PASS (pass_phiprop);
+      NEXT_PASS (pass_fre);
+      NEXT_PASS (pass_copy_prop);
+      NEXT_PASS (pass_merge_phi);
+      NEXT_PASS (pass_vrp);
+      NEXT_PASS (pass_dce);
+      NEXT_PASS (pass_cselim);
+      NEXT_PASS (pass_tree_ifcombine);
+      NEXT_PASS (pass_phiopt);
+      NEXT_PASS (pass_tail_recursion);
+      NEXT_PASS (pass_ch);
+      NEXT_PASS (pass_stdarg);
+      NEXT_PASS (pass_lower_complex);
+      NEXT_PASS (pass_sra);
+      NEXT_PASS (pass_rename_ssa_copies);
+      NEXT_PASS (pass_dominator);
+      /* The only const/copy propagation opportunities left after
+	 DOM should be due to degenerate PHI nodes.  So rather than
+	 run the full propagators, run a specialized pass which
+	 only examines PHIs to discover const/copy propagation
+	 opportunities.  */
+      NEXT_PASS (pass_phi_only_cprop);
+      NEXT_PASS (pass_dse);
+      NEXT_PASS (pass_reassoc);
+      NEXT_PASS (pass_dce);
+      NEXT_PASS (pass_forwprop);
+      NEXT_PASS (pass_phiopt);
+      NEXT_PASS (pass_object_sizes);
+      NEXT_PASS (pass_ccp);
+      NEXT_PASS (pass_copy_prop);
+      NEXT_PASS (pass_fold_builtins);
+      NEXT_PASS (pass_cse_sincos);
+      NEXT_PASS (pass_split_crit_edges);
+      NEXT_PASS (pass_pre);
+      NEXT_PASS (pass_sink_code);
+      NEXT_PASS (pass_tree_loop);
+	{
+	  struct opt_pass **p = &pass_tree_loop.pass.sub;
+	  NEXT_PASS (pass_tree_loop_init);
+	  NEXT_PASS (pass_copy_prop);
+	  NEXT_PASS (pass_dce_loop);
+	  NEXT_PASS (pass_lim);
+	  NEXT_PASS (pass_predcom);
+	  NEXT_PASS (pass_tree_unswitch);
+	  NEXT_PASS (pass_scev_cprop);
+	  NEXT_PASS (pass_empty_loop);
+	  NEXT_PASS (pass_record_bounds);
+	  NEXT_PASS (pass_check_data_deps);
+	  NEXT_PASS (pass_loop_distribution);
+	  NEXT_PASS (pass_linear_transform);
+	  NEXT_PASS (pass_graphite_transforms);
+	  NEXT_PASS (pass_iv_canon);
+	  NEXT_PASS (pass_if_conversion);
+	  NEXT_PASS (pass_vectorize);
+	    {
+	      struct opt_pass **p = &pass_vectorize.pass.sub;
+	      NEXT_PASS (pass_lower_vector_ssa);
+	      NEXT_PASS (pass_dce_loop);
+	    }
+	  NEXT_PASS (pass_complete_unroll);
+	  NEXT_PASS (pass_parallelize_loops);
+	  NEXT_PASS (pass_loop_prefetch);
+	  NEXT_PASS (pass_iv_optimize);
+	  NEXT_PASS (pass_tree_loop_done);
+	}
+      NEXT_PASS (pass_cse_reciprocals);
+      NEXT_PASS (pass_convert_to_rsqrt);
+      NEXT_PASS (pass_reassoc);
+      NEXT_PASS (pass_vrp);
+      NEXT_PASS (pass_dominator);
+      /* The only const/copy propagation opportunities left after
+	 DOM should be due to degenerate PHI nodes.  So rather than
+	 run the full propagators, run a specialized pass which
+	 only examines PHIs to discover const/copy propagation
+	 opportunities.  */
+      NEXT_PASS (pass_phi_only_cprop);
+      NEXT_PASS (pass_cd_dce);
+      NEXT_PASS (pass_tracer);
+
+      /* FIXME: If DCE is not run before checking for uninitialized uses,
+	 we may get false warnings (e.g., testsuite/gcc.dg/uninit-5.c).
+	 However, this also causes us to misdiagnose cases that should be
+	 real warnings (e.g., testsuite/gcc.dg/pr18501.c).
+	 
+	 To fix the false positives in uninit-5.c, we would have to
+	 account for the predicates protecting the set and the use of each
+	 variable.  Using a representation like Gated Single Assignment
+	 may help.  */
+      NEXT_PASS (pass_late_warn_uninitialized);
+      NEXT_PASS (pass_dse);
+      NEXT_PASS (pass_forwprop);
+      NEXT_PASS (pass_phiopt);
+      NEXT_PASS (pass_tail_calls);
+      NEXT_PASS (pass_rename_ssa_copies);
+      NEXT_PASS (pass_uncprop);
+    }
+  NEXT_PASS (pass_del_ssa);
+  NEXT_PASS (pass_nrv);
+  NEXT_PASS (pass_mark_used_blocks);
+  NEXT_PASS (pass_cleanup_cfg_post_optimizing);
+
+  NEXT_PASS (pass_warn_function_noreturn);
+  NEXT_PASS (pass_free_datastructures);
+  NEXT_PASS (pass_mudflap_2);
+
+  NEXT_PASS (pass_free_cfg_annotations);
+  NEXT_PASS (pass_expand);
+  NEXT_PASS (pass_rest_of_compilation);
+    {
+      struct opt_pass **p = &pass_rest_of_compilation.pass.sub;
+      NEXT_PASS (pass_init_function);
+      NEXT_PASS (pass_jump);
+      NEXT_PASS (pass_rtl_eh);
+      NEXT_PASS (pass_initial_value_sets);
+      NEXT_PASS (pass_unshare_all_rtl);
+      NEXT_PASS (pass_instantiate_virtual_regs);
+      NEXT_PASS (pass_into_cfg_layout_mode);
+      NEXT_PASS (pass_jump2);
+      NEXT_PASS (pass_lower_subreg);
+      NEXT_PASS (pass_df_initialize_opt);
+      NEXT_PASS (pass_cse);
+      NEXT_PASS (pass_rtl_fwprop);
+      NEXT_PASS (pass_gcse);
+      NEXT_PASS (pass_rtl_ifcvt);
+      /* Perform loop optimizations.  It might be better to do them a bit
+	 sooner, but we want the profile feedback to work more
+	 efficiently.  */
+      NEXT_PASS (pass_loop2);
+	{
+	  struct opt_pass **p = &pass_loop2.pass.sub;
+	  NEXT_PASS (pass_rtl_loop_init);
+	  NEXT_PASS (pass_rtl_move_loop_invariants);
+	  NEXT_PASS (pass_rtl_unswitch);
+	  NEXT_PASS (pass_rtl_unroll_and_peel_loops);
+	  NEXT_PASS (pass_rtl_doloop);
+	  NEXT_PASS (pass_rtl_loop_done);
+	  *p = NULL;
+	}
+      NEXT_PASS (pass_web);
+      NEXT_PASS (pass_jump_bypass);
+      NEXT_PASS (pass_cse2);
+      NEXT_PASS (pass_rtl_dse1);
+      NEXT_PASS (pass_rtl_fwprop_addr);
+      NEXT_PASS (pass_reginfo_init);
+      NEXT_PASS (pass_inc_dec);
+      NEXT_PASS (pass_initialize_regs);
+      NEXT_PASS (pass_outof_cfg_layout_mode);
+      NEXT_PASS (pass_ud_rtl_dce);
+      NEXT_PASS (pass_combine);
+      NEXT_PASS (pass_if_after_combine);
+      NEXT_PASS (pass_partition_blocks);
+      NEXT_PASS (pass_regmove);
+      NEXT_PASS (pass_split_all_insns);
+      NEXT_PASS (pass_lower_subreg2);
+      NEXT_PASS (pass_df_initialize_no_opt);
+      NEXT_PASS (pass_stack_ptr_mod);
+      NEXT_PASS (pass_mode_switching);
+      NEXT_PASS (pass_see);
+      NEXT_PASS (pass_match_asm_constraints);
+      NEXT_PASS (pass_sms);
+      NEXT_PASS (pass_sched);
+      NEXT_PASS (pass_subregs_of_mode_init);
+      NEXT_PASS (pass_ira);
+      NEXT_PASS (pass_subregs_of_mode_finish);
+      NEXT_PASS (pass_postreload);
+	{
+	  struct opt_pass **p = &pass_postreload.pass.sub;
+	  NEXT_PASS (pass_postreload_cse);
+	  NEXT_PASS (pass_gcse2);
+	  NEXT_PASS (pass_split_after_reload);
+	  NEXT_PASS (pass_branch_target_load_optimize1);
+	  NEXT_PASS (pass_thread_prologue_and_epilogue);
+	  NEXT_PASS (pass_rtl_dse2);
+	  NEXT_PASS (pass_rtl_seqabstr);
+	  NEXT_PASS (pass_stack_adjustments);
+	  NEXT_PASS (pass_peephole2);
+	  NEXT_PASS (pass_if_after_reload);
+	  NEXT_PASS (pass_regrename);
+	  NEXT_PASS (pass_cprop_hardreg);
+	  NEXT_PASS (pass_fast_rtl_dce);
+	  NEXT_PASS (pass_reorder_blocks);
+	  NEXT_PASS (pass_branch_target_load_optimize2);
+	  NEXT_PASS (pass_leaf_regs);
+	  NEXT_PASS (pass_split_before_sched2);
+	  NEXT_PASS (pass_sched2);
+	  NEXT_PASS (pass_stack_regs);
+	    {
+	      struct opt_pass **p = &pass_stack_regs.pass.sub;
+	      NEXT_PASS (pass_split_before_regstack);
+	      NEXT_PASS (pass_stack_regs_run);
+	    }
+	  NEXT_PASS (pass_compute_alignments);
+	  NEXT_PASS (pass_duplicate_computed_gotos);
+	  NEXT_PASS (pass_variable_tracking);
+	  NEXT_PASS (pass_free_cfg);
+	  NEXT_PASS (pass_machine_reorg);
+	  NEXT_PASS (pass_cleanup_barriers);
+	  NEXT_PASS (pass_delay_slots);
+	  NEXT_PASS (pass_split_for_shorten_branches);
+	  NEXT_PASS (pass_convert_to_eh_region_ranges);
+	  NEXT_PASS (pass_shorten_branches);
+	  NEXT_PASS (pass_set_nothrow_function_flags);
+	  NEXT_PASS (pass_final);
+	}
+      NEXT_PASS (pass_df_finish);
+    }
+  NEXT_PASS (pass_clean_state);
+  *p = NULL;
+
+#undef NEXT_PASS
+
+  /* Register the passes with the tree dump code.  */
+  register_dump_files (all_lowering_passes, PROP_gimple_any);
+  all_lowering_passes->todo_flags_start |= TODO_set_props;
+  register_dump_files (all_ipa_passes, 
+		       PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh
+		       | PROP_cfg);
+  register_dump_files (all_passes, 
+		       PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh
+		       | PROP_cfg);
+}
+
+/* If we are in IPA mode (i.e., current_function_decl is NULL), call
+   function CALLBACK for every function in the call graph.  Otherwise,
+   call CALLBACK on the current function.  */ 
+
+static void
+do_per_function (void (*callback) (void *data), void *data)
+{
+  if (current_function_decl)
+    callback (data);
+  else
+    {
+      struct cgraph_node *node;
+      for (node = cgraph_nodes; node; node = node->next)
+	if (node->analyzed)
+	  {
+	    push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+	    current_function_decl = node->decl;
+	    callback (data);
+	    free_dominance_info (CDI_DOMINATORS);
+	    free_dominance_info (CDI_POST_DOMINATORS);
+	    current_function_decl = NULL;
+	    pop_cfun ();
+	    ggc_collect ();
+	  }
+    }
+}
+
+/* Because inlining might remove no-longer reachable nodes, we need to
+   keep the array visible to garbage collector to avoid reading collected
+   out nodes.  */
+static int nnodes;
+static GTY ((length ("nnodes"))) struct cgraph_node **order;
+
+/* If we are in IPA mode (i.e., current_function_decl is NULL), call
+   function CALLBACK for every function in the call graph.  Otherwise,
+   call CALLBACK on the current function.  */ 
+
+static void
+do_per_function_toporder (void (*callback) (void *data), void *data)
+{
+  int i;
+
+  if (current_function_decl)
+    callback (data);
+  else
+    {
+      gcc_assert (!order);
+      order = GGC_NEWVEC (struct cgraph_node *, cgraph_n_nodes);
+      nnodes = cgraph_postorder (order);
+      for (i = nnodes - 1; i >= 0; i--)
+	{
+	  struct cgraph_node *node = order[i];
+
+	  /* Allow possibly removed nodes to be garbage collected.  */
+	  order[i] = NULL;
+	  if (node->analyzed && (node->needed || node->reachable))
+	    {
+	      push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+	      current_function_decl = node->decl;
+	      callback (data);
+	      free_dominance_info (CDI_DOMINATORS);
+	      free_dominance_info (CDI_POST_DOMINATORS);
+	      current_function_decl = NULL;
+	      pop_cfun ();
+	      ggc_collect ();
+	    }
+	}
+    }
+  ggc_free (order);
+  order = NULL;
+  nnodes = 0;
+}
+
+/* Perform all TODO actions that ought to be done on each function.  */
+
+static void
+execute_function_todo (void *data)
+{
+  unsigned int flags = (size_t)data;
+  if (cfun->curr_properties & PROP_ssa)
+    flags |= TODO_verify_ssa;
+  flags &= ~cfun->last_verified;
+  if (!flags)
+    return;
+
+  statistics_fini_pass ();
+
+  /* Always cleanup the CFG before trying to update SSA.  */
+  if (flags & TODO_cleanup_cfg)
+    {
+      bool cleanup = cleanup_tree_cfg ();
+
+      if (cleanup && (cfun->curr_properties & PROP_ssa))
+	flags |= TODO_remove_unused_locals;
+	
+      /* When cleanup_tree_cfg merges consecutive blocks, it may
+	 perform some simplistic propagation when removing single
+	 valued PHI nodes.  This propagation may, in turn, cause the
+	 SSA form to become out-of-date (see PR 22037).  So, even
+	 if the parent pass had not scheduled an SSA update, we may
+	 still need to do one.  */
+      if (!(flags & TODO_update_ssa_any) && need_ssa_update_p ())
+	flags |= TODO_update_ssa;
+    }
+
+  if (flags & TODO_update_ssa_any)
+    {
+      unsigned update_flags = flags & TODO_update_ssa_any;
+      update_ssa (update_flags);
+      cfun->last_verified &= ~TODO_verify_ssa;
+    }
+  
+  if (flags & TODO_rebuild_alias)
+    {
+      compute_may_aliases ();
+      cfun->curr_properties |= PROP_alias;
+    }
+  
+  if (flags & TODO_remove_unused_locals)
+    remove_unused_locals ();
+
+  if ((flags & TODO_dump_func) && dump_file && current_function_decl)
+    {
+      if (cfun->curr_properties & PROP_trees)
+        dump_function_to_file (current_function_decl, dump_file, dump_flags);
+      else
+	{
+	  if (dump_flags & TDF_SLIM)
+	    print_rtl_slim_with_bb (dump_file, get_insns (), dump_flags);
+	  else if ((cfun->curr_properties & PROP_cfg)
+		   && (dump_flags & TDF_BLOCKS))
+	    print_rtl_with_bb (dump_file, get_insns ());
+          else
+	    print_rtl (dump_file, get_insns ());
+
+	  if ((cfun->curr_properties & PROP_cfg)
+	      && graph_dump_format != no_graph
+	      && (dump_flags & TDF_GRAPH))
+	    print_rtl_graph_with_bb (dump_file_name, get_insns ());
+	}
+
+      /* Flush the file.  If verification fails, we won't be able to
+	 close the file before aborting.  */
+      fflush (dump_file);
+    }
+
+  if (flags & TODO_rebuild_frequencies)
+    {
+      if (profile_status == PROFILE_GUESSED)
+	{
+	  loop_optimizer_init (0);
+	  add_noreturn_fake_exit_edges ();
+	  mark_irreducible_loops ();
+	  connect_infinite_loops_to_exit ();
+	  estimate_bb_frequencies ();
+	  remove_fake_exit_edges ();
+	  loop_optimizer_finalize ();
+	}
+      else if (profile_status == PROFILE_READ)
+	counts_to_freqs ();
+      else
+	gcc_unreachable ();
+    }
+
+#if defined ENABLE_CHECKING
+  if (flags & TODO_verify_ssa)
+    verify_ssa (true);
+  if (flags & TODO_verify_flow)
+    verify_flow_info ();
+  if (flags & TODO_verify_stmts)
+    verify_stmts ();
+  if (flags & TODO_verify_loops)
+    verify_loop_closed_ssa ();
+  if (flags & TODO_verify_rtl_sharing)
+    verify_rtl_sharing ();
+#endif
+
+  cfun->last_verified = flags & TODO_verify_all;
+}
+
+/* Perform all TODO actions.  */
+static void
+execute_todo (unsigned int flags)
+{
+#if defined ENABLE_CHECKING
+  if (need_ssa_update_p ())
+    gcc_assert (flags & TODO_update_ssa_any);
+#endif
+
+  /* Inform the pass whether it is the first time it is run.  */
+  first_pass_instance = (flags & TODO_mark_first_instance) != 0;
+
+  do_per_function (execute_function_todo, (void *)(size_t) flags);
+
+  /* Always remove functions just as before inlining: IPA passes might be
+     interested to see bodies of extern inline functions that are not inlined
+     to analyze side effects.  The full removal is done just at the end
+     of IPA pass queue.  */
+  if (flags & TODO_remove_functions)
+    {
+      gcc_assert (!cfun);
+      cgraph_remove_unreachable_nodes (true, dump_file);
+    }
+
+  if ((flags & TODO_dump_cgraph) && dump_file && !current_function_decl)
+    {
+      gcc_assert (!cfun);
+      dump_cgraph (dump_file);
+      /* Flush the file.  If verification fails, we won't be able to
+	 close the file before aborting.  */
+      fflush (dump_file);
+    }
+
+  if (flags & TODO_ggc_collect)
+    ggc_collect ();
+
+  /* Now that the dumping has been done, we can get rid of the optional 
+     df problems.  */
+  if (flags & TODO_df_finish)
+    df_finish_pass ((flags & TODO_df_verify) != 0);
+}
+
+/* Verify invariants that should hold between passes.  This is a place
+   to put simple sanity checks.  */
+
+static void
+verify_interpass_invariants (void)
+{
+#ifdef ENABLE_CHECKING
+  gcc_assert (!fold_deferring_overflow_warnings_p ());
+#endif
+}
+
+/* Clear the last verified flag.  */
+
+static void
+clear_last_verified (void *data ATTRIBUTE_UNUSED)
+{
+  cfun->last_verified = 0;
+}
+
+/* Helper function. Verify that the properties has been turn into the
+   properties expected by the pass.  */
+
+#ifdef ENABLE_CHECKING
+static void
+verify_curr_properties (void *data)
+{
+  unsigned int props = (size_t)data;
+  gcc_assert ((cfun->curr_properties & props) == props);
+}
+#endif
+
+/* Initialize pass dump file.  */
+
+static bool
+pass_init_dump_file (struct opt_pass *pass)
+{
+  /* If a dump file name is present, open it if enabled.  */
+  if (pass->static_pass_number != -1)
+    {
+      bool initializing_dump = !dump_initialized_p (pass->static_pass_number);
+      dump_file_name = get_dump_file_name (pass->static_pass_number);
+      dump_file = dump_begin (pass->static_pass_number, &dump_flags);
+      if (dump_file && current_function_decl)
+	{
+	  const char *dname, *aname;
+	  dname = lang_hooks.decl_printable_name (current_function_decl, 2);
+	  aname = (IDENTIFIER_POINTER
+		   (DECL_ASSEMBLER_NAME (current_function_decl)));
+	  fprintf (dump_file, "\n;; Function %s (%s)%s\n\n", dname, aname,
+	     cfun->function_frequency == FUNCTION_FREQUENCY_HOT
+	     ? " (hot)"
+	     : cfun->function_frequency == FUNCTION_FREQUENCY_UNLIKELY_EXECUTED
+	     ? " (unlikely executed)"
+	     : "");
+	}
+      return initializing_dump;
+    }
+  else
+    return false;
+}
+
+/* Flush PASS dump file.  */
+
+static void
+pass_fini_dump_file (struct opt_pass *pass)
+{
+  /* Flush and close dump file.  */
+  if (dump_file_name)
+    {
+      free (CONST_CAST (char *, dump_file_name));
+      dump_file_name = NULL;
+    }
+
+  if (dump_file)
+    {
+      dump_end (pass->static_pass_number, dump_file);
+      dump_file = NULL;
+    }
+}
+
+/* After executing the pass, apply expected changes to the function
+   properties. */
+
+static void
+update_properties_after_pass (void *data)
+{
+  struct opt_pass *pass = (struct opt_pass *) data;
+  cfun->curr_properties = (cfun->curr_properties | pass->properties_provided)
+		           & ~pass->properties_destroyed;
+}
+
+/* Schedule IPA transform pass DATA for CFUN.  */
+
+static void
+add_ipa_transform_pass (void *data)
+{
+  struct ipa_opt_pass *ipa_pass = (struct ipa_opt_pass *) data;
+  VEC_safe_push (ipa_opt_pass, heap, cfun->ipa_transforms_to_apply, ipa_pass);
+}
+
+/* Execute summary generation for all of the passes in IPA_PASS.  */
+
+static void
+execute_ipa_summary_passes (struct ipa_opt_pass *ipa_pass)
+{
+  while (ipa_pass)
+    {
+      struct opt_pass *pass = &ipa_pass->pass;
+
+      /* Execute all of the IPA_PASSes in the list.  */
+      if (ipa_pass->pass.type == IPA_PASS 
+	  && (!pass->gate || pass->gate ()))
+	{
+	  pass_init_dump_file (pass);
+	  ipa_pass->generate_summary ();
+	  pass_fini_dump_file (pass);
+	}
+      ipa_pass = (struct ipa_opt_pass *)ipa_pass->pass.next;
+    }
+}
+
+/* Execute IPA_PASS function transform on NODE.  */
+
+static void
+execute_one_ipa_transform_pass (struct cgraph_node *node,
+				struct ipa_opt_pass *ipa_pass)
+{
+  struct opt_pass *pass = &ipa_pass->pass;
+  unsigned int todo_after = 0;
+
+  current_pass = pass;
+  if (!ipa_pass->function_transform)
+    return;
+
+  /* Note that the folders should only create gimple expressions.
+     This is a hack until the new folder is ready.  */
+  in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0;
+
+  pass_init_dump_file (pass);
+
+  /* Run pre-pass verification.  */
+  execute_todo (ipa_pass->function_transform_todo_flags_start);
+
+  /* If a timevar is present, start it.  */
+  if (pass->tv_id)
+    timevar_push (pass->tv_id);
+
+  /* Do it!  */
+  todo_after = ipa_pass->function_transform (node);
+
+  /* Stop timevar.  */
+  if (pass->tv_id)
+    timevar_pop (pass->tv_id);
+
+  /* Run post-pass cleanup and verification.  */
+  execute_todo (todo_after);
+  verify_interpass_invariants ();
+
+  pass_fini_dump_file (pass);
+
+  current_pass = NULL;
+}
+
+static bool
+execute_one_pass (struct opt_pass *pass)
+{
+  bool initializing_dump;
+  unsigned int todo_after = 0;
+
+  /* IPA passes are executed on whole program, so cfun should be NULL.
+     Other passes need function context set.  */
+  if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS)
+    gcc_assert (!cfun && !current_function_decl);
+  else
+    gcc_assert (cfun && current_function_decl);
+
+  if (cfun && cfun->ipa_transforms_to_apply)
+    {
+      unsigned int i;
+      struct cgraph_node *node = cgraph_node (current_function_decl);
+
+      for (i = 0; i < VEC_length (ipa_opt_pass, cfun->ipa_transforms_to_apply);
+	   i++)
+	execute_one_ipa_transform_pass (node,
+				        VEC_index (ipa_opt_pass,
+						   cfun->ipa_transforms_to_apply,
+						   i));
+      VEC_free (ipa_opt_pass, heap, cfun->ipa_transforms_to_apply);
+      cfun->ipa_transforms_to_apply = NULL;
+    }
+
+  current_pass = pass;
+
+  /* See if we're supposed to run this pass.  */
+  if (pass->gate && !pass->gate ())
+    return false;
+
+  if (!quiet_flag && !cfun)
+    fprintf (stderr, " <%s>", pass->name ? pass->name : "");
+
+  if (pass->todo_flags_start & TODO_set_props)
+    cfun->curr_properties = pass->properties_required;
+
+  /* Note that the folders should only create gimple expressions.
+     This is a hack until the new folder is ready.  */
+  in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0;
+
+  /* Run pre-pass verification.  */
+  execute_todo (pass->todo_flags_start);
+
+#ifdef ENABLE_CHECKING
+  do_per_function (verify_curr_properties,
+		   (void *)(size_t)pass->properties_required);
+#endif
+
+  initializing_dump = pass_init_dump_file (pass);
+
+  /* If a timevar is present, start it.  */
+  if (pass->tv_id)
+    timevar_push (pass->tv_id);
+
+  /* Do it!  */
+  if (pass->execute)
+    {
+      todo_after = pass->execute ();
+      do_per_function (clear_last_verified, NULL);
+    }
+
+  /* Stop timevar.  */
+  if (pass->tv_id)
+    timevar_pop (pass->tv_id);
+
+  do_per_function (update_properties_after_pass, pass);
+
+  if (initializing_dump
+      && dump_file
+      && graph_dump_format != no_graph
+      && cfun
+      && (cfun->curr_properties & (PROP_cfg | PROP_rtl))
+	  == (PROP_cfg | PROP_rtl))
+    {
+      get_dump_file_info (pass->static_pass_number)->flags |= TDF_GRAPH;
+      dump_flags |= TDF_GRAPH;
+      clean_graph_dump_file (dump_file_name);
+    }
+
+  /* Run post-pass cleanup and verification.  */
+  execute_todo (todo_after | pass->todo_flags_finish);
+  verify_interpass_invariants ();
+  if (pass->type == IPA_PASS)
+    do_per_function (add_ipa_transform_pass, pass);
+
+  if (!current_function_decl)
+    cgraph_process_new_functions ();
+
+  pass_fini_dump_file (pass);
+
+  if (pass->type != SIMPLE_IPA_PASS && pass->type != IPA_PASS)
+    gcc_assert (!(cfun->curr_properties & PROP_trees)
+		|| pass->type != RTL_PASS);
+
+  current_pass = NULL;
+
+  return true;
+}
+
+void
+execute_pass_list (struct opt_pass *pass)
+{
+  do
+    {
+      gcc_assert (pass->type == GIMPLE_PASS
+		  || pass->type == RTL_PASS);
+      if (execute_one_pass (pass) && pass->sub)
+        execute_pass_list (pass->sub);
+      pass = pass->next;
+    }
+  while (pass);
+}
+
+/* Same as execute_pass_list but assume that subpasses of IPA passes
+   are local passes.  */
+void
+execute_ipa_pass_list (struct opt_pass *pass)
+{
+  bool summaries_generated = false;
+  do
+    {
+      gcc_assert (!current_function_decl);
+      gcc_assert (!cfun);
+      gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS);
+      if (pass->type == IPA_PASS && (!pass->gate || pass->gate ()))
+	{
+	  if (!summaries_generated)
+	    {
+	      if (!quiet_flag && !cfun)
+		fprintf (stderr, " <summary generate>");
+	      execute_ipa_summary_passes ((struct ipa_opt_pass *) pass);
+	    }
+	  summaries_generated = true;
+	}
+      if (execute_one_pass (pass) && pass->sub)
+	{
+	  if (pass->sub->type == GIMPLE_PASS)
+	    do_per_function_toporder ((void (*)(void *))execute_pass_list,
+				      pass->sub);
+	  else if (pass->sub->type == SIMPLE_IPA_PASS
+		   || pass->sub->type == IPA_PASS)
+	    execute_ipa_pass_list (pass->sub);
+	  else
+	    gcc_unreachable ();
+	}
+      if (!current_function_decl)
+	cgraph_process_new_functions ();
+      pass = pass->next;
+    }
+  while (pass);
+}
+
+#include "gt-passes.h"