1 files changed, 0 insertions, 531 deletions
diff --git a/gcc-4.8.1/gcc/cgraphbuild.c b/gcc-4.8.1/gcc/cgraphbuild.c
deleted file mode 100644
index fb01f24ec..000000000
--- a/gcc-4.8.1/gcc/cgraphbuild.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/* Callgraph construction.
-   Copyright (C) 2003-2013 Free Software Foundation, Inc.
-   Contributed by Jan Hubicka
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3.  If not see
-<http://www.gnu.org/licenses/>.  */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
-#include "tree-flow.h"
-#include "langhooks.h"
-#include "pointer-set.h"
-#include "cgraph.h"
-#include "intl.h"
-#include "gimple.h"
-#include "tree-pass.h"
-#include "ipa-utils.h"
-#include "except.h"
-#include "ipa-inline.h"
-
-/* Context of record_reference.  */
-struct record_reference_ctx
-{
-  bool only_vars;
-  struct varpool_node *varpool_node;
-};
-
-/* Walk tree and record all calls and references to functions/variables.
-   Called via walk_tree: TP is pointer to tree to be examined.
-   When DATA is non-null, record references to callgraph.
-   */
-
-static tree
-record_reference (tree *tp, int *walk_subtrees, void *data)
-{
-  tree t = *tp;
-  tree decl;
-  struct record_reference_ctx *ctx = (struct record_reference_ctx *)data;
-
-  t = canonicalize_constructor_val (t, NULL);
-  if (!t)
-    t = *tp;
-  else if (t != *tp)
-    *tp = t;
-
-  switch (TREE_CODE (t))
-    {
-    case VAR_DECL:
-    case FUNCTION_DECL:
-      gcc_unreachable ();
-      break;
-
-    case FDESC_EXPR:
-    case ADDR_EXPR:
-      /* Record dereferences to the functions.  This makes the
-	 functions reachable unconditionally.  */
-      decl = get_base_var (*tp);
-      if (TREE_CODE (decl) == FUNCTION_DECL)
-	{
-	  struct cgraph_node *node = cgraph_get_create_node (decl);
-	  if (!ctx->only_vars)
-	    cgraph_mark_address_taken_node (node);
-	  ipa_record_reference ((symtab_node)ctx->varpool_node,
-				(symtab_node)node,
-			        IPA_REF_ADDR, NULL);
-	}
-
-      if (TREE_CODE (decl) == VAR_DECL)
-	{
-	  struct varpool_node *vnode = varpool_node_for_decl (decl);
-	  ipa_record_reference ((symtab_node)ctx->varpool_node,
-				(symtab_node)vnode,
-				IPA_REF_ADDR, NULL);
-	}
-      *walk_subtrees = 0;
-      break;
-
-    default:
-      /* Save some cycles by not walking types and declaration as we
-	 won't find anything useful there anyway.  */
-      if (IS_TYPE_OR_DECL_P (*tp))
-	{
-	  *walk_subtrees = 0;
-	  break;
-	}
-      break;
-    }
-
-  return NULL_TREE;
-}
-
-/* Record references to typeinfos in the type list LIST.  */
-
-static void
-record_type_list (struct cgraph_node *node, tree list)
-{
-  for (; list; list = TREE_CHAIN (list))
-    {
-      tree type = TREE_VALUE (list);
-      
-      if (TYPE_P (type))
-	type = lookup_type_for_runtime (type);
-      STRIP_NOPS (type);
-      if (TREE_CODE (type) == ADDR_EXPR)
-	{
-	  type = TREE_OPERAND (type, 0);
-	  if (TREE_CODE (type) == VAR_DECL)
-	    {
-	      struct varpool_node *vnode = varpool_node_for_decl (type);
-	      ipa_record_reference ((symtab_node)node,
-				    (symtab_node)vnode,
-				    IPA_REF_ADDR, NULL);
-	    }
-	}
-    }
-}
-
-/* Record all references we will introduce by producing EH tables
-   for NODE.  */
-
-static void
-record_eh_tables (struct cgraph_node *node, struct function *fun)
-{
-  eh_region i;
-
-  if (DECL_FUNCTION_PERSONALITY (node->symbol.decl))
-    {
-      struct cgraph_node *per_node;
-
-      per_node = cgraph_get_create_node (DECL_FUNCTION_PERSONALITY (node->symbol.decl));
-      ipa_record_reference ((symtab_node)node, (symtab_node)per_node, IPA_REF_ADDR, NULL);
-      cgraph_mark_address_taken_node (per_node);
-    }
-
-  i = fun->eh->region_tree;
-  if (!i)
-    return;
-
-  while (1)
-    {
-      switch (i->type)
-	{
-	case ERT_CLEANUP:
-	case ERT_MUST_NOT_THROW:
-	  break;
-
-	case ERT_TRY:
-	  {
-	    eh_catch c;
-	    for (c = i->u.eh_try.first_catch; c; c = c->next_catch)
-	      record_type_list (node, c->type_list);
-	  }
-	  break;
-
-	case ERT_ALLOWED_EXCEPTIONS:
-	  record_type_list (node, i->u.allowed.type_list);
-	  break;
-	}
-      /* If there are sub-regions, process them.  */
-      if (i->inner)
-	i = i->inner;
-      /* If there are peers, process them.  */
-      else if (i->next_peer)
-	i = i->next_peer;
-      /* Otherwise, step back up the tree to the next peer.  */
-      else
-	{
-	  do
-	    {
-	      i = i->outer;
-	      if (i == NULL)
-		return;
-	    }
-	  while (i->next_peer == NULL);
-	  i = i->next_peer;
-	}
-    }
-}
-
-/* Computes the frequency of the call statement so that it can be stored in
-   cgraph_edge.  BB is the basic block of the call statement.  */
-int
-compute_call_stmt_bb_frequency (tree decl, basic_block bb)
-{
-  int entry_freq = ENTRY_BLOCK_PTR_FOR_FUNCTION
-  		     (DECL_STRUCT_FUNCTION (decl))->frequency;
-  int freq = bb->frequency;
-
-  if (profile_status_for_function (DECL_STRUCT_FUNCTION (decl)) == PROFILE_ABSENT)
-    return CGRAPH_FREQ_BASE;
-
-  if (!entry_freq)
-    entry_freq = 1, freq++;
-
-  freq = freq * CGRAPH_FREQ_BASE / entry_freq;
-  if (freq > CGRAPH_FREQ_MAX)
-    freq = CGRAPH_FREQ_MAX;
-
-  return freq;
-}
-
-/* Mark address taken in STMT.  */
-
-static bool
-mark_address (gimple stmt, tree addr, void *data)
-{
-  addr = get_base_address (addr);
-  if (TREE_CODE (addr) == FUNCTION_DECL)
-    {
-      struct cgraph_node *node = cgraph_get_create_node (addr);
-      cgraph_mark_address_taken_node (node);
-      ipa_record_reference ((symtab_node)data,
-			    (symtab_node)node,
-			    IPA_REF_ADDR, stmt);
-    }
-  else if (addr && TREE_CODE (addr) == VAR_DECL
-	   && (TREE_STATIC (addr) || DECL_EXTERNAL (addr)))
-    {
-      struct varpool_node *vnode = varpool_node_for_decl (addr);
-
-      ipa_record_reference ((symtab_node)data,
-			    (symtab_node)vnode,
-			    IPA_REF_ADDR, stmt);
-    }
-
-  return false;
-}
-
-/* Mark load of T.  */
-
-static bool
-mark_load (gimple stmt, tree t, void *data)
-{
-  t = get_base_address (t);
-  if (t && TREE_CODE (t) == FUNCTION_DECL)
-    {
-      /* ??? This can happen on platforms with descriptors when these are
-	 directly manipulated in the code.  Pretend that it's an address.  */
-      struct cgraph_node *node = cgraph_get_create_node (t);
-      cgraph_mark_address_taken_node (node);
-      ipa_record_reference ((symtab_node)data,
-			    (symtab_node)node,
-			    IPA_REF_ADDR, stmt);
-    }
-  else if (t && TREE_CODE (t) == VAR_DECL
-	   && (TREE_STATIC (t) || DECL_EXTERNAL (t)))
-    {
-      struct varpool_node *vnode = varpool_node_for_decl (t);
-
-      ipa_record_reference ((symtab_node)data,
-			    (symtab_node)vnode,
-			    IPA_REF_LOAD, stmt);
-    }
-  return false;
-}
-
-/* Mark store of T.  */
-
-static bool
-mark_store (gimple stmt, tree t, void *data)
-{
-  t = get_base_address (t);
-  if (t && TREE_CODE (t) == VAR_DECL
-      && (TREE_STATIC (t) || DECL_EXTERNAL (t)))
-    {
-      struct varpool_node *vnode = varpool_node_for_decl (t);
-
-      ipa_record_reference ((symtab_node)data,
-			    (symtab_node)vnode,
-			    IPA_REF_STORE, stmt);
-     }
-  return false;
-}
-
-/* Create cgraph edges for function calls.
-   Also look for functions and variables having addresses taken.  */
-
-static unsigned int
-build_cgraph_edges (void)
-{
-  basic_block bb;
-  struct cgraph_node *node = cgraph_get_node (current_function_decl);
-  struct pointer_set_t *visited_nodes = pointer_set_create ();
-  gimple_stmt_iterator gsi;
-  tree decl;
-  unsigned ix;
-
-  /* Create the callgraph edges and record the nodes referenced by the function.
-     body.  */
-  FOR_EACH_BB (bb)
-    {
-      for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	{
-	  gimple stmt = gsi_stmt (gsi);
-	  tree decl;
-
-	  if (is_gimple_call (stmt))
-	    {
-	      int freq = compute_call_stmt_bb_frequency (current_function_decl,
-							 bb);
-	      decl = gimple_call_fndecl (stmt);
-	      if (decl)
-		cgraph_create_edge (node, cgraph_get_create_node (decl),
-				    stmt, bb->count, freq);
-	      else
-		cgraph_create_indirect_edge (node, stmt,
-					     gimple_call_flags (stmt),
-					     bb->count, freq);
-	    }
-	  walk_stmt_load_store_addr_ops (stmt, node, mark_load,
-					 mark_store, mark_address);
-	  if (gimple_code (stmt) == GIMPLE_OMP_PARALLEL
-	      && gimple_omp_parallel_child_fn (stmt))
-	    {
-	      tree fn = gimple_omp_parallel_child_fn (stmt);
-	      ipa_record_reference ((symtab_node)node,
-				    (symtab_node)cgraph_get_create_node (fn),
-				    IPA_REF_ADDR, stmt);
-	    }
-	  if (gimple_code (stmt) == GIMPLE_OMP_TASK)
-	    {
-	      tree fn = gimple_omp_task_child_fn (stmt);
-	      if (fn)
-		ipa_record_reference ((symtab_node)node,
-				      (symtab_node) cgraph_get_create_node (fn),
-				      IPA_REF_ADDR, stmt);
-	      fn = gimple_omp_task_copy_fn (stmt);
-	      if (fn)
-		ipa_record_reference ((symtab_node)node,
-				      (symtab_node)cgraph_get_create_node (fn),
-				      IPA_REF_ADDR, stmt);
-	    }
-	}
-      for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	walk_stmt_load_store_addr_ops (gsi_stmt (gsi), node,
-				       mark_load, mark_store, mark_address);
-   }
-
-  /* Look for initializers of constant variables and private statics.  */
-  FOR_EACH_LOCAL_DECL (cfun, ix, decl)
-    if (TREE_CODE (decl) == VAR_DECL
-	&& (TREE_STATIC (decl) && !DECL_EXTERNAL (decl))
-	&& !DECL_HAS_VALUE_EXPR_P (decl))
-      varpool_finalize_decl (decl);
-  record_eh_tables (node, cfun);
-
-  pointer_set_destroy (visited_nodes);
-  return 0;
-}
-
-struct gimple_opt_pass pass_build_cgraph_edges =
-{
- {
-  GIMPLE_PASS,
-  "*build_cgraph_edges",			/* name */
-  OPTGROUP_NONE,                        /* optinfo_flags */
-  NULL,					/* gate */
-  build_cgraph_edges,			/* execute */
-  NULL,					/* sub */
-  NULL,					/* next */
-  0,					/* static_pass_number */
-  TV_NONE,				/* tv_id */
-  PROP_cfg,				/* properties_required */
-  0,					/* properties_provided */
-  0,					/* properties_destroyed */
-  0,					/* todo_flags_start */
-  0					/* todo_flags_finish */
- }
-};
-
-/* Record references to functions and other variables present in the
-   initial value of DECL, a variable.
-   When ONLY_VARS is true, we mark needed only variables, not functions.  */
-
-void
-record_references_in_initializer (tree decl, bool only_vars)
-{
-  struct pointer_set_t *visited_nodes = pointer_set_create ();
-  struct varpool_node *node = varpool_node_for_decl (decl);
-  struct record_reference_ctx ctx = {false, NULL};
-
-  ctx.varpool_node = node;
-  ctx.only_vars = only_vars;
-  walk_tree (&DECL_INITIAL (decl), record_reference,
-             &ctx, visited_nodes);
-  pointer_set_destroy (visited_nodes);
-}
-
-/* Rebuild cgraph edges for current function node.  This needs to be run after
-   passes that don't update the cgraph.  */
-
-unsigned int
-rebuild_cgraph_edges (void)
-{
-  basic_block bb;
-  struct cgraph_node *node = cgraph_get_node (current_function_decl);
-  gimple_stmt_iterator gsi;
-
-  cgraph_node_remove_callees (node);
-  ipa_remove_all_references (&node->symbol.ref_list);
-
-  node->count = ENTRY_BLOCK_PTR->count;
-
-  FOR_EACH_BB (bb)
-    {
-      for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	{
-	  gimple stmt = gsi_stmt (gsi);
-	  tree decl;
-
-	  if (is_gimple_call (stmt))
-	    {
-	      int freq = compute_call_stmt_bb_frequency (current_function_decl,
-							 bb);
-	      decl = gimple_call_fndecl (stmt);
-	      if (decl)
-		cgraph_create_edge (node, cgraph_get_create_node (decl), stmt,
-				    bb->count, freq);
-	      else
-		cgraph_create_indirect_edge (node, stmt,
-					     gimple_call_flags (stmt),
-					     bb->count, freq);
-	    }
-	  walk_stmt_load_store_addr_ops (stmt, node, mark_load,
-					 mark_store, mark_address);
-
-	}
-      for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	walk_stmt_load_store_addr_ops (gsi_stmt (gsi), node,
-				       mark_load, mark_store, mark_address);
-    }
-  record_eh_tables (node, cfun);
-  gcc_assert (!node->global.inlined_to);
-
-  return 0;
-}
-
-/* Rebuild cgraph edges for current function node.  This needs to be run after
-   passes that don't update the cgraph.  */
-
-void
-cgraph_rebuild_references (void)
-{
-  basic_block bb;
-  struct cgraph_node *node = cgraph_get_node (current_function_decl);
-  gimple_stmt_iterator gsi;
-
-  ipa_remove_all_references (&node->symbol.ref_list);
-
-  node->count = ENTRY_BLOCK_PTR->count;
-
-  FOR_EACH_BB (bb)
-    {
-      for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	{
-	  gimple stmt = gsi_stmt (gsi);
-
-	  walk_stmt_load_store_addr_ops (stmt, node, mark_load,
-					 mark_store, mark_address);
-
-	}
-      for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
-	walk_stmt_load_store_addr_ops (gsi_stmt (gsi), node,
-				       mark_load, mark_store, mark_address);
-    }
-  record_eh_tables (node, cfun);
-}
-
-struct gimple_opt_pass pass_rebuild_cgraph_edges =
-{
- {
-  GIMPLE_PASS,
-  "*rebuild_cgraph_edges",		/* name */
-  OPTGROUP_NONE,                        /* optinfo_flags */
-  NULL,					/* gate */
-  rebuild_cgraph_edges,			/* execute */
-  NULL,					/* sub */
-  NULL,					/* next */
-  0,					/* static_pass_number */
-  TV_CGRAPH,				/* tv_id */
-  PROP_cfg,				/* properties_required */
-  0,					/* properties_provided */
-  0,					/* properties_destroyed */
-  0,					/* todo_flags_start */
-  0,					/* todo_flags_finish */
- }
-};
-
-
-static unsigned int
-remove_cgraph_callee_edges (void)
-{
-  cgraph_node_remove_callees (cgraph_get_node (current_function_decl));
-  return 0;
-}
-
-struct gimple_opt_pass pass_remove_cgraph_callee_edges =
-{
- {
-  GIMPLE_PASS,
-  "*remove_cgraph_callee_edges",		/* name */
-  OPTGROUP_NONE,                        /* optinfo_flags */
-  NULL,					/* gate */
-  remove_cgraph_callee_edges,		/* execute */
-  NULL,					/* sub */
-  NULL,					/* next */
-  0,					/* static_pass_number */
-  TV_NONE,				/* tv_id */
-  0,					/* properties_required */
-  0,					/* properties_provided */
-  0,					/* properties_destroyed */
-  0,					/* todo_flags_start */
-  0,					/* todo_flags_finish */
- }
-};