X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgraph.c;h=c20c61fe7e0679615fb256eb9937e16046d2adf0;hb=203717b8dd44597fb10c126b33a28528a2432e9c;hp=a35e8ef02fce00e3252dd539060b653a6c4f391d;hpb=dddcc630819f338c3b45e2bc646233e6872d5bb6;p=libfirm

diff --git a/ir/ir/irgraph.c b/ir/ir/irgraph.c
index a35e8ef02..c20c61fe7 100644
--- a/ir/ir/irgraph.c
+++ b/ir/ir/irgraph.c
@@ -1,52 +1,131 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ir/irgraph.c
- * Purpose:     Entry point to the representation of procedure code.
- * Author:      Martin Trapp, Christian Schaefer
- * Modified by: Goetz Lindenmaier
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 1998-2003 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
 
+/**
+ * @file
+ * @brief    Entry point to the representation of procedure code.
+ * @author   Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
+ * @version  $Id$
+ */
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
 #endif
 
+#ifdef HAVE_STRING_H
 # include <string.h>
+#endif
+#ifdef HAVE_STDDEF_H
+# include <stddef.h>
+#endif
 
-# include "ircons.h"
-# include "irgraph_t.h"
-# include "irprog_t.h"
-# include "iropt_t.h"
-# include "irflag_t.h"
-# include "array.h"
-# include "irgmod.h"
-# include "mangle.h"
-# include "irouts.h"
-# include "firmstat.h"
+#include "xmalloc.h"
+#include "ircons_t.h"
+#include "irgraph_t.h"
+#include "irprog_t.h"
+#include "irnode_t.h"
+#include "iropt_t.h"
+#include "irflag_t.h"
+#include "array.h"
+#include "irgmod.h"
+#include "irouts.h"
+#include "irhooks.h"
+#include "irtools.h"
+#include "irgwalk.h"
+#include "iredges_t.h"
+#include "type_t.h"
+#include "irmemory.h"
+
+#define INITIAL_IDX_IRN_MAP_SIZE 1024
+
+/**
+ * Indicates, whether additional data can be registered to graphs.
+ * If set to 1, this is not possible anymore.
+ */
+static int forbid_new_data = 0;
+
+/**
+ * The amount of additional space for custom data to be allocated upon
+ * creating a new graph.
+ */
+static size_t additional_graph_data_size = 0;
 
 ir_graph *current_ir_graph;
-INLINE ir_graph *get_current_ir_graph(void) {
-  return current_ir_graph;
+ir_graph *get_current_ir_graph(void) {
+	return current_ir_graph;
+}
+
+void set_current_ir_graph(ir_graph *graph) {
+	current_ir_graph = graph;
+}
+
+#ifdef INTERPROCEDURAL_VIEW
+int firm_interprocedural_view = 0;
+
+int (get_interprocedural_view)(void) {
+	return _get_interprocedural_view();
 }
-INLINE void set_current_ir_graph(ir_graph *graph) {
-  current_ir_graph = graph;
+
+void (set_interprocedural_view)(int state) {
+	firm_interprocedural_view = state;
+
+	/* set function vectors for faster access */
+	if (state) {
+		_get_irn_arity = _get_irn_inter_arity;
+		_get_irn_n     = _get_irn_inter_n;
+	}
+	else {
+		_get_irn_arity = _get_irn_intra_arity;
+		_get_irn_n     = _get_irn_intra_n;
+	}
 }
+#endif
 
+/** contains the suffix for frame type names */
+static ident *frame_type_suffix = NULL;
 
-bool interprocedural_view = false;
-INLINE bool get_interprocedural_view(void) {
-  return interprocedural_view;
+/* initialize the IR graph module */
+void firm_init_irgraph(void) {
+	frame_type_suffix = new_id_from_str(FRAME_TP_SUFFIX);
+	forbid_new_data   = 1;
 }
-INLINE void set_interprocedural_view(bool state) {
-  interprocedural_view = state;
+
+/**
+ * Allocate a new IR graph.
+ * This function respects the registered graph data. The only reason for
+ * this function is, that there are two locations, where graphs are
+ * allocated (new_r_ir_graph, new_const_code_irg).
+ * @return Memory for a new graph.
+ */
+static ir_graph *alloc_graph(void) {
+	size_t size = sizeof(ir_graph) + additional_graph_data_size;
+	char *ptr = xmalloc(size);
+	memset(ptr, 0, size);
+
+	return (ir_graph *) (ptr + additional_graph_data_size);
 }
 
-static ident* frame_type_suffix = NULL;
-void init_irgraph(void) {
-  frame_type_suffix = new_id_from_chars(FRAME_TP_SUFFIX, strlen(FRAME_TP_SUFFIX));
+/**
+ * Frees an allocated IR graph
+ */
+static void free_graph(ir_graph *irg) {
+	char *ptr = (char *)irg;
+	free(ptr - additional_graph_data_size);
 }
 
 #if USE_EXPLICIT_PHI_IN_STACK
@@ -65,161 +144,227 @@ void free_Phi_in_stack(Phi_in_stack *s);
    Further it allocates several datastructures needed for graph construction
    and optimization.
 */
-ir_graph *
-new_ir_graph (entity *ent, int n_loc)
-{
-  ir_graph *res;
-  ir_node *first_block;
-  ir_node *projX;
-
-  res = (ir_graph *) malloc (sizeof (ir_graph));
-  memset(res, 0, sizeof (ir_graph));
-  res->kind = k_ir_graph;
-
-  /* inform statistics here, as blocks will be already build on this graph */
-  stat_new_graph(res, ent);
-
-  current_ir_graph = res;
-  add_irp_irg(res);          /* remember this graph global. */
-
-  /*-- initialized for each graph. --*/
-  if (get_opt_precise_exc_context()) {
-    res->n_loc = n_loc + 1 + 1; /* number of local variables that are never
-                   dereferenced in this graph plus one for
-                   the store plus one for links to fragile
-                   operations.  n_loc is not the number of
-                   parameters to the procedure!  */
-  }
-  else {
-    res->n_loc = n_loc + 1;  /* number of local variables that are never
-                dereferenced in this graph plus one for
-                the store. This is not the number of parameters
-                to the procedure!  */
-  }
-
-  res->visited = 0;     /* visited flag, for the ir walker */
-  res->block_visited = 0; /* visited flag, for the 'block'-walker */
+ir_graph *new_r_ir_graph(ir_entity *ent, int n_loc) {
+	ir_graph *res;
+	ir_node  *first_block;
+	ir_node  *end, *start, *start_block, *initial_mem, *projX;
+
+	res = alloc_graph();
+	res->kind = k_ir_graph;
+
+	//edges_init_graph_kind(res, EDGE_KIND_NORMAL);
+	//edges_init_graph_kind(res, EDGE_KIND_BLOCK);
+
+	/* initialize the idx->node map. */
+	res->idx_irn_map = NEW_ARR_F(ir_node *, INITIAL_IDX_IRN_MAP_SIZE);
+	memset(res->idx_irn_map, 0, INITIAL_IDX_IRN_MAP_SIZE * sizeof(res->idx_irn_map[0]));
+
+	/* inform statistics here, as blocks will be already build on this graph */
+	hook_new_graph(res, ent);
+
+	current_ir_graph = res;
+
+	/*-- initialized for each graph. --*/
+	if (get_opt_precise_exc_context()) {
+		res->n_loc = n_loc + 1 + 1; /* number of local variables that are never
+		               dereferenced in this graph plus one for
+		               the store plus one for links to fragile
+		               operations.  n_loc is not the number of
+		               parameters to the procedure!  */
+	} else {
+		res->n_loc = n_loc + 1;  /* number of local variables that are never
+		            dereferenced in this graph plus one for
+		            the store. This is not the number of parameters
+		            to the procedure!  */
+	}
+
+	/* descriptions will be allocated on demand */
+	res->loc_descriptions = NULL;
+
+	res->visited       = 0; /* visited flag, for the ir walker */
+	res->block_visited = 0; /* visited flag, for the 'block'-walker */
 
 #if USE_EXPLICIT_PHI_IN_STACK
-  res->Phi_in_stack = new_Phi_in_stack();  /* A stack needed for automatic Phi
-                                generation */
+	res->Phi_in_stack = new_Phi_in_stack();  /* A stack needed for automatic Phi
+	                                            generation */
 #endif
-  res->kind = k_ir_graph;
-  res->obst      = (struct obstack *) xmalloc (sizeof (struct obstack));
-  obstack_init (res->obst);
-  res->value_table = new_identities (); /* value table for global value
-                       numbering for optimizing use in
-                       iropt.c */
-  res->outs = NULL;
-
-  res->phase_state    = phase_building;
-  res->op_pin_state_pinned = op_pin_state_pinned;
-  res->outs_state     = outs_none;
-  res->dom_state      = dom_none;
-  res->typeinfo_state = irg_typeinfo_none;
-  res->loopinfo_state = loopinfo_none;
-
-  /*-- Type information for the procedure of the graph --*/
-  res->ent = ent;
-  set_entity_irg(ent, res);
-
-  /*--  a class type so that it can contain "inner" methods as in Pascal. --*/
-  res->frame_type = new_type_class(mangle(get_entity_ident(ent), frame_type_suffix));
-
-  /* Remove type from type list.  Must be treated differently than other types. */
-  remove_irp_type_from_list(res->frame_type);
-
-  /*-- Nodes needed in every graph --*/
-  res->end_block  = new_immBlock();
-  res->end        = new_End();
-  res->end_reg    = res->end;
-  res->end_except = res->end;
-
-  res->start_block = new_immBlock();
-  res->start   = new_Start();
-  res->bad     = new_ir_node(NULL, res, res->start_block, op_Bad, mode_T, 0, NULL);
-  /* res->unknown = new_ir_node (NULL, res, res->start_block, op_Unknown, mode_T, 0, NULL); */
-
-  /* Proj results of start node */
-  projX            = new_Proj (res->start, mode_X, pn_Start_X_initial_exec);
-  res->frame       = new_Proj (res->start, mode_P_mach, pn_Start_P_frame_base);   res->globals     = new_Proj (res->start, mode_P_mach, pn_Start_P_globals);
-  res->initial_mem = new_Proj (res->start, mode_M, pn_Start_M);
-  res->args        = new_Proj (res->start, mode_T, pn_Start_T_args);
+	res->kind = k_ir_graph;
+	res->obst = xmalloc (sizeof(*res->obst));
+	obstack_init(res->obst);
+	res->extbb_obst = NULL;
+
+	res->last_node_idx = 0;
+
+	res->value_table = new_identities (); /* value table for global value
+	                                         numbering for optimizing use in iropt.c */
+	res->outs = NULL;
+
+	res->inline_property       = irg_inline_any;
+	res->additional_properties = mtp_property_inherited;  /* inherited from type */
+
+	res->phase_state         = phase_building;
+	res->irg_pinned_state    = op_pin_state_pinned;
+	res->outs_state          = outs_none;
+	res->dom_state           = dom_none;
+	res->pdom_state          = dom_none;
+	res->typeinfo_state      = ir_typeinfo_none;
+	set_irp_typeinfo_inconsistent();           /* there is a new graph with typeinfo_none. */
+	res->callee_info_state   = irg_callee_info_none;
+	res->loopinfo_state      = loopinfo_none;
+	res->class_cast_state    = ir_class_casts_transitive;
+	res->extblk_state        = ir_extblk_info_none;
+	res->execfreq_state      = exec_freq_none;
+	res->fp_model            = fp_model_precise;
+	res->adr_taken_state     = ir_address_taken_not_computed;
+	res->mem_disambig_opt    = aa_opt_inherited;
+
+	/*-- Type information for the procedure of the graph --*/
+	res->ent = ent;
+	set_entity_irg(ent, res);
+
+	/*--  a class type so that it can contain "inner" methods as in Pascal. --*/
+	res->frame_type = new_type_frame(mangle(get_entity_ident(ent), frame_type_suffix));
+
+	/* the Anchor node must be created first */
+	res->anchor = new_Anchor(res);
+
+	/*-- Nodes needed in every graph --*/
+	set_irg_end_block (res, new_immBlock());
+	end               = new_End();
+	set_irg_end       (res, end);
+	set_irg_end_reg   (res, end);
+	set_irg_end_except(res, end);
+
+	start_block = new_immBlock();
+	set_irg_start_block(res, start_block);
+	set_irg_bad        (res, new_ir_node(NULL, res, start_block, op_Bad, mode_T, 0, NULL));
+	set_irg_no_mem     (res, new_ir_node(NULL, res, start_block, op_NoMem, mode_M, 0, NULL));
+	start = new_Start();
+	set_irg_start      (res, start);
+
+	/* Proj results of start node */
+	projX                   = new_Proj(start, mode_X, pn_Start_X_initial_exec);
+	set_irg_frame           (res, new_Proj(start, mode_P_data, pn_Start_P_frame_base));
+	set_irg_globals         (res, new_Proj(start, mode_P_data, pn_Start_P_globals));
+	set_irg_tls             (res, new_Proj(start, mode_P_data, pn_Start_P_tls));
+	set_irg_args            (res, new_Proj(start, mode_T,      pn_Start_T_args));
+	set_irg_value_param_base(res, new_Proj(start, mode_P_data, pn_Start_P_value_arg_base));
+	initial_mem             = new_Proj(start, mode_M, pn_Start_M);
+	set_irg_initial_mem(res, initial_mem);
+
+	add_immBlock_pred(start_block, projX);
+	set_store(initial_mem);
+
+	res->index       = get_irp_new_irg_idx();
 #ifdef DEBUG_libfirm
-  res->graph_nr    = get_irp_new_node_nr();
+	res->graph_nr    = get_irp_new_node_nr();
 #endif
+	res->proj_args   = NULL;
 
-  set_store(res->initial_mem);
+	/*
+	 * The code generation needs it. leave it in now.
+	 * Use of this edge is matter of discussion, unresolved. Also possible:
+	 * add_immBlock_pred(res->start_block, res->start_block), but invalid typed.
+	 */
+	mature_immBlock(res->current_block);
 
-  add_immBlock_pred(res->start_block, projX);
-  /*
-   * The code generation needs it. leave it in now.
-   * Use of this edge is matter of discussion, unresolved. Also possible:
-   * add_immBlock_pred(res->start_block, res->start_block), but invalid typed.
-   */
-  mature_immBlock (res->current_block);
+	/*-- Make a block to start with --*/
+	first_block = new_immBlock();
+	add_immBlock_pred(first_block, projX);
 
-  /*-- Make a block to start with --*/
-  first_block = new_immBlock();
-  add_immBlock_pred (first_block, projX);
+	res->method_execution_frequency = -1.0;
+	res->estimated_node_count       = 0;
 
-  return res;
+	return res;
 }
 
 
-/* Make a rudimentary ir graph for the constant code.
+ir_graph *
+new_ir_graph(ir_entity *ent, int n_loc) {
+	ir_graph *res = new_r_ir_graph(ent, n_loc);
+	add_irp_irg(res);          /* remember this graph global. */
+	return res;
+}
+
+/* Make a rudimentary IR graph for the constant code.
    Must look like a correct irg, spare everything else. */
 ir_graph *new_const_code_irg(void) {
-  ir_graph *res;
-  ir_node *projX;
+	ir_graph *res;
+	ir_node  *end, *start_block, *start, *projX;
+
+	res = alloc_graph();
 
-  res = (ir_graph *) malloc (sizeof(*res));
-  memset(res, 0, sizeof(*res));
+	/* initialize the idx->node map. */
+	res->idx_irn_map = NEW_ARR_F(ir_node *, INITIAL_IDX_IRN_MAP_SIZE);
+	memset(res->idx_irn_map, 0, INITIAL_IDX_IRN_MAP_SIZE * sizeof(res->idx_irn_map[0]));
 
-  /* inform statistics here, as blocks will be already build on this graph */
-  stat_new_graph(res, NULL);
+	/* inform statistics here, as blocks will be already build on this graph */
+	hook_new_graph(res, NULL);
 
-  current_ir_graph = res;
-  res->n_loc = 1;      /* Only the memory. */
-  res->visited = 0;     /* visited flag, for the ir walker */
-  res->block_visited=0; /* visited flag, for the 'block'-walker */
+	current_ir_graph = res;
+	res->n_loc = 1;         /* Only the memory. */
+	res->visited = 0;       /* visited flag, for the ir walker */
+	res->block_visited = 0; /* visited flag, for the 'block'-walker */
 #if USE_EXPLICIT_PHI_IN_STACK
-  res->Phi_in_stack = NULL;
+	res->Phi_in_stack = NULL;
 #endif
-  res->kind = k_ir_graph;
-  res->obst      = (struct obstack *) xmalloc (sizeof (struct obstack));
-  obstack_init (res->obst);
-  res->phase_state = phase_building;
-  res->op_pin_state_pinned = op_pin_state_pinned;
-  res->value_table = new_identities (); /* value table for global value
-                       numbering for optimizing use in
-                       iropt.c */
-  res->ent = NULL;
-  res->frame_type  = NULL;
-  res->start_block = new_immBlock ();
-  res->end_block  = new_immBlock ();
-  res->end        = new_End ();
-  res->end_reg    = res->end;
-  res->end_except = res->end;
-  mature_immBlock(get_cur_block());
-  res->bad = new_ir_node (NULL, res, res->start_block, op_Bad, mode_T, 0, NULL);
-  res->start   = new_Start ();
-
-  /* Proj results of start node */
-  projX        = new_Proj (res->start, mode_X, pn_Start_X_initial_exec);
-  add_immBlock_pred(res->start_block, projX);
-  mature_immBlock (res->current_block);
-  add_immBlock_pred (new_immBlock (), projX);
-  mature_immBlock(get_cur_block());
-  /* Set the visited flag high enough that the block will never be visited. */
-  set_irn_visited(get_cur_block(), -1);
-  set_Block_block_visited(get_cur_block(), -1);
-  set_Block_block_visited(res->start_block, -1);
-  set_irn_visited(res->start_block, -1);
-  set_irn_visited(res->bad, -1);
-
-  res->phase_state = phase_high;
-  return res;
+	res->kind = k_ir_graph;
+	res->obst      = xmalloc (sizeof(*res->obst));
+	obstack_init (res->obst);
+	res->extbb_obst = NULL;
+
+	res->last_node_idx = 0;
+
+	res->phase_state      = phase_building;
+	res->irg_pinned_state = op_pin_state_pinned;
+	res->extblk_state     = ir_extblk_info_none;
+	res->fp_model         = fp_model_precise;
+
+	res->value_table = new_identities (); /* value table for global value
+					   numbering for optimizing use in
+					   iropt.c */
+	res->ent = NULL;
+	res->frame_type  = NULL;
+
+	/* the Anchor node must be created first */
+	res->anchor = new_Anchor(res);
+
+	/* -- The end block -- */
+	set_irg_end_block (res, new_immBlock());
+	end = new_End();
+	set_irg_end       (res, end);
+	set_irg_end_reg   (res, end);
+	set_irg_end_except(res, end);
+	mature_immBlock(get_cur_block());  /* mature the end block */
+
+	/* -- The start block -- */
+	start_block        = new_immBlock();
+	set_irg_start_block(res, start_block);
+	set_irg_bad        (res, new_ir_node (NULL, res, start_block, op_Bad, mode_T, 0, NULL));
+	set_irg_no_mem     (res, new_ir_node (NULL, res, start_block, op_NoMem, mode_M, 0, NULL));
+	start              = new_Start();
+	set_irg_start      (res, start);
+
+	/* Proj results of start node */
+	set_irg_initial_mem(res, new_Proj(start, mode_M, pn_Start_M));
+	projX = new_Proj(start, mode_X, pn_Start_X_initial_exec);
+	add_immBlock_pred(start_block, projX);
+	mature_immBlock  (start_block);  /* mature the start block */
+
+	add_immBlock_pred(new_immBlock(), projX);
+	mature_immBlock  (get_cur_block());   /* mature the 'body' block for expressions */
+
+	/* Set the visited flag high enough that the blocks will never be visited. */
+	set_irn_visited(get_cur_block(), -1);
+	set_Block_block_visited(get_cur_block(), -1);
+	set_Block_block_visited(start_block, -1);
+	set_irn_visited(start_block, -1);
+	set_irn_visited(get_irg_bad(res), -1);
+	set_irn_visited(get_irg_no_mem(res), -1);
+
+	res->phase_state = phase_high;
+
+	return res;
 }
 
 /* Defined in iropt.c */
@@ -233,25 +378,29 @@ void  del_identities (pset *value_table);
    Does not free types, entities or modes that are used only by this
    graph, nor the entity standing for this graph. */
 void free_ir_graph (ir_graph *irg) {
-  stat_free_graph(irg);
-  if (irg->outs_state != outs_none) free_outs(irg);
-  if (irg->frame_type)  free_type(irg->frame_type);
-  if (irg->value_table) del_identities(irg->value_table);
-  if (irg->ent) {
-    peculiarity pec = get_entity_peculiarity (irg->ent);
-    set_entity_peculiarity (irg->ent, peculiarity_description);
-    set_entity_irg(irg->ent, NULL);  /* not set in const code irg */
-    set_entity_peculiarity (irg->ent, pec);
-  }
-
-  free_End(irg->end);
-  obstack_free(irg->obst,NULL);
-  free(irg->obst);
+	assert(is_ir_graph(irg));
+
+	hook_free_graph(irg);
+	if (irg->outs_state != outs_none) free_irg_outs(irg);
+	if (irg->frame_type)  free_type(irg->frame_type);
+	if (irg->value_table) del_identities(irg->value_table);
+	if (irg->ent) {
+		ir_peculiarity pec = get_entity_peculiarity (irg->ent);
+		set_entity_peculiarity (irg->ent, peculiarity_description);
+		set_entity_irg(irg->ent, NULL);  /* not set in const code irg */
+		set_entity_peculiarity (irg->ent, pec);
+	}
+
+	free_End(get_irg_end(irg));
+	obstack_free(irg->obst,NULL);
+	free(irg->obst);
 #if USE_EXPLICIT_PHI_IN_STACK
-  free_Phi_in_stack(irg->Phi_in_stack);
+	free_Phi_in_stack(irg->Phi_in_stack);
 #endif
-  irg->kind = k_BAD;
-  free(irg);
+	if (irg->loc_descriptions)
+		free(irg->loc_descriptions);
+	irg->kind = k_BAD;
+	free_graph(irg);
 }
 
 /* access routines for all ir_graph attributes:
@@ -260,225 +409,224 @@ void free_ir_graph (ir_graph *irg) {
    void set_irg_{attr name} (ir_graph *irg, {attr type} {attr}); */
 
 int
-(is_ir_graph)(void *thing) {
-  return __is_ir_graph(thing);
+(is_ir_graph)(const void *thing) {
+	return _is_ir_graph(thing);
 }
 
-/* Outputs a unique number for this node */
-
-INLINE long
-get_irg_graph_nr(ir_graph *irg) {
-  assert(irg);
 #ifdef DEBUG_libfirm
-  return irg->graph_nr;
-#else
-  return (long)irg;
+/* Outputs a unique number for this node */
+long get_irg_graph_nr(const ir_graph *irg) {
+	return irg->graph_nr;
+}
 #endif
+
+int get_irg_idx(const ir_graph *irg) {
+	return irg->index;
 }
 
 ir_node *
-(get_irg_start_block)(ir_graph *irg) {
-  return __get_irg_start_block(irg);
+(get_irg_start_block)(const ir_graph *irg) {
+	return _get_irg_start_block(irg);
 }
 
 void
 (set_irg_start_block)(ir_graph *irg, ir_node *node) {
-  __set_irg_start_block(irg, node);
+	_set_irg_start_block(irg, node);
 }
 
 ir_node *
-(get_irg_start)(ir_graph *irg) {
-  return __get_irg_start(irg);
+(get_irg_start)(const ir_graph *irg) {
+	return _get_irg_start(irg);
 }
 
 void
 (set_irg_start)(ir_graph *irg, ir_node *node) {
-  __set_irg_start(irg, node);
+	_set_irg_start(irg, node);
 }
 
 ir_node *
-(get_irg_end_block)(ir_graph *irg) {
-  return __get_irg_end_block(irg);
+(get_irg_end_block)(const ir_graph *irg) {
+	return _get_irg_end_block(irg);
 }
 
 void
 (set_irg_end_block)(ir_graph *irg, ir_node *node) {
-  __set_irg_end_block(irg, node);
+  _set_irg_end_block(irg, node);
 }
 
 ir_node *
-(get_irg_end)(ir_graph *irg) {
-  return __get_irg_end(irg);
+(get_irg_end)(const ir_graph *irg) {
+	return _get_irg_end(irg);
 }
 
 void
 (set_irg_end)(ir_graph *irg, ir_node *node) {
-  __set_irg_end(irg, node);
+	_set_irg_end(irg, node);
 }
 
 ir_node *
-(get_irg_end_reg)(ir_graph *irg) {
-  return __get_irg_end_reg(irg);
+(get_irg_end_reg)(const ir_graph *irg) {
+	return _get_irg_end_reg(irg);
 }
 
-void     set_irg_end_reg (ir_graph *irg, ir_node *node) {
-  assert(get_irn_op(node) == op_EndReg || get_irn_op(node) == op_End);
-  irg->end_reg = node;
+void
+(set_irg_end_reg)(ir_graph *irg, ir_node *node) {
+	_set_irg_end_reg(irg, node);
 }
 
 ir_node *
-(get_irg_end_except)(ir_graph *irg) {
-  return __get_irg_end_except(irg);
+(get_irg_end_except)(const ir_graph *irg) {
+	return _get_irg_end_except(irg);
 }
 
-void     set_irg_end_except (ir_graph *irg, ir_node *node) {
-  assert(get_irn_op(node) == op_EndExcept || get_irn_op(node) == op_End);
-  irg->end_except = node;
+void
+(set_irg_end_except)(ir_graph *irg, ir_node *node) {
+	assert(get_irn_op(node) == op_EndExcept || get_irn_op(node) == op_End);
+	_set_irg_end_except(irg, node);
 }
 
 ir_node *
-(get_irg_cstore)(ir_graph *irg) {
-  return __get_irg_cstore(irg);
+(get_irg_frame)(const ir_graph *irg) {
+	return _get_irg_frame(irg);
 }
 
 void
-(set_irg_cstore)(ir_graph *irg, ir_node *node) {
-  __set_irg_cstore(irg, node);
+(set_irg_frame)(ir_graph *irg, ir_node *node) {
+	_set_irg_frame(irg, node);
 }
 
 ir_node *
-(get_irg_frame)(ir_graph *irg) {
-  return __get_irg_frame(irg);
+(get_irg_globals)(const ir_graph *irg) {
+  return _get_irg_globals(irg);
 }
 
 void
-(set_irg_frame)(ir_graph *irg, ir_node *node) {
-  __set_irg_frame(irg, node);
+(set_irg_globals)(ir_graph *irg, ir_node *node) {
+	_set_irg_globals(irg, node);
 }
 
 ir_node *
-(get_irg_globals)(ir_graph *irg) {
-  return __get_irg_globals(irg);
+(get_irg_tls)(const ir_graph *irg) {
+	return _get_irg_tls(irg);
 }
 
 void
-(set_irg_globals)(ir_graph *irg, ir_node *node) {
-  __set_irg_globals(irg, node);
+(set_irg_tls)(ir_graph *irg, ir_node *node) {
+	_set_irg_tls(irg, node);
 }
 
 ir_node *
-(get_irg_initial_mem)(ir_graph *irg)
-{
-  return __get_irg_initial_mem(irg);
+(get_irg_initial_mem)(const ir_graph *irg) {
+	return _get_irg_initial_mem(irg);
 }
 
 void
 (set_irg_initial_mem)(ir_graph *irg, ir_node *node) {
-  __set_irg_initial_mem(irg, node);
+	_set_irg_initial_mem(irg, node);
 }
 
 ir_node *
-(get_irg_args)(ir_graph *irg) {
-  return __get_irg_args(irg);
+(get_irg_args)(const ir_graph *irg) {
+	return _get_irg_args(irg);
 }
 
 void
 (set_irg_args)(ir_graph *irg, ir_node *node) {
-  __set_irg_args(irg, node);
+	_set_irg_args(irg, node);
 }
 
 ir_node *
-(get_irg_bad)(ir_graph *irg) {
-  return __get_irg_bad(irg);
+(get_irg_value_param_base)(const ir_graph *irg) {
+	return _get_irg_value_param_base(irg);
 }
 
 void
-(set_irg_bad)(ir_graph *irg, ir_node *node) {
-  __set_irg_bad(irg, node);
+(set_irg_value_param_base)(ir_graph *irg, ir_node *node) {
+	_set_irg_value_param_base(irg, node);
+}
+
+ir_node **
+(get_irg_proj_args) (const ir_graph *irg) {
+	return _get_irg_proj_args (irg);
+}
+
+void
+(set_irg_proj_args) (ir_graph *irg, ir_node **nodes) {
+	_set_irg_proj_args (irg, nodes);
 }
 
-/* GL removed: we need unknown with mode for analyses.
 ir_node *
-get_irg_unknown (ir_graph *irg)
-{
-  return irg->unknown;
+(get_irg_bad)(const ir_graph *irg) {
+	return _get_irg_bad(irg);
 }
 
 void
-set_irg_unknown (ir_graph *irg, ir_node *node)
-{
-  irg->unknown = node;
+(set_irg_bad)(ir_graph *irg, ir_node *node) {
+	_set_irg_bad(irg, node);
 }
-*/
 
 ir_node *
-(get_irg_current_block)(ir_graph *irg) {
-  return __get_irg_current_block(irg);
+(get_irg_no_mem)(const ir_graph *irg) {
+	return _get_irg_no_mem(irg);
 }
 
 void
-(set_irg_current_block)(ir_graph *irg, ir_node *node) {
-  __set_irg_current_block(irg, node);
+(set_irg_no_mem)(ir_graph *irg, ir_node *node) {
+	_set_irg_no_mem(irg, node);
 }
 
-entity *
-(get_irg_entity)(ir_graph *irg) {
-  return __get_irg_ent(irg);
+ir_node *
+(get_irg_current_block)(const ir_graph *irg) {
+	return _get_irg_current_block(irg);
 }
 
 void
-(set_irg_entity)(ir_graph *irg, entity *ent) {
-  __set_irg_ent(irg, ent);
+(set_irg_current_block)(ir_graph *irg, ir_node *node) {
+	_set_irg_current_block(irg, node);
 }
 
-type *
-(get_irg_frame_type)(ir_graph *irg) {
-  return __get_irg_frame_type(irg);
+ir_entity *
+(get_irg_entity)(const ir_graph *irg) {
+	return _get_irg_entity(irg);
 }
 
 void
-(set_irg_frame_type)(ir_graph *irg, type *ftp) {
-  __set_irg_frame_type(irg, ftp);
+(set_irg_entity)(ir_graph *irg, ir_entity *ent) {
+	_set_irg_entity(irg, ent);
 }
 
+ir_type *
+(get_irg_frame_type)(ir_graph *irg) {
+	return _get_irg_frame_type(irg);
+}
 
-/* To test for a frame type */
-int
-is_frame_type(type *ftp) {
-  int i;
-  if (is_class_type(ftp)) {
-    for (i = 0; i < get_irp_n_irgs(); i++) {
-      type *frame_tp = get_irg_frame_type(get_irp_irg(i));
-      if (ftp == frame_tp) return true;
-    }
-  }
-  return false;
+void
+(set_irg_frame_type)(ir_graph *irg, ir_type *ftp) {
+	_set_irg_frame_type(irg, ftp);
 }
 
 int
-get_irg_n_locs (ir_graph *irg)
-{
-  if (get_opt_precise_exc_context())
-    return irg->n_loc - 1 - 1;
-  else
-    return irg->n_loc - 1;
+get_irg_n_locs(ir_graph *irg) {
+	if (get_opt_precise_exc_context())
+		return irg->n_loc - 1 - 1;
+	else
+		return irg->n_loc - 1;
 }
 
 void
-set_irg_n_loc (ir_graph *irg, int n_loc)
-{
-  if (get_opt_precise_exc_context())
-    irg->n_loc = n_loc + 1 + 1;
-  else
-    irg->n_loc = n_loc + 1;
+set_irg_n_loc(ir_graph *irg, int n_loc) {
+	if (get_opt_precise_exc_context())
+		irg->n_loc = n_loc + 1 + 1;
+	else
+		irg->n_loc = n_loc + 1;
 }
 
 
 
 /* Returns the obstack associated with the graph. */
 struct obstack *
-(get_irg_obstack)(ir_graph *irg) {
-  return __get_irg_obstack(irg);
+(get_irg_obstack)(const ir_graph *irg) {
+	return _get_irg_obstack(irg);
 }
 
 /*
@@ -486,180 +634,318 @@ struct obstack *
  *
  * Implementation is GLIBC specific as is uses the internal _obstack_chunk implementation.
  */
-int node_is_in_irgs_storage(ir_graph *irg, ir_node *n)
-{
-  struct _obstack_chunk *p;
+int node_is_in_irgs_storage(ir_graph *irg, ir_node *n) {
+	struct _obstack_chunk *p;
 
-  /*
-   * checks wheater the ir_node pointer i on the obstack.
-   * A more sophisticated check would test the "whole" ir_node
-   */
-  for (p = irg->obst->chunk; p; p = p->prev) {
-    if (((char *)p->contents <= (char *)n) && ((char *)n < (char *)p->limit))
-      return 1;
-  }
+	/*
+	 * checks weather the ir_node pointer is on the obstack.
+	 * A more sophisticated check would test the "whole" ir_node
+	 */
+	for (p = irg->obst->chunk; p; p = p->prev) {
+		if (((char *)p->contents <= (char *)n) && ((char *)n < (char *)p->limit))
+			return 1;
+	}
 
-  return 0;
+	return 0;
 }
 
 irg_phase_state
-(get_irg_phase_state)(ir_graph *irg) {
-  return __get_irg_phase_state(irg);
+(get_irg_phase_state)(const ir_graph *irg) {
+	return _get_irg_phase_state(irg);
 }
 
 void
-(set_irg_phase_low)(ir_graph *irg) {
-  __set_irg_phase_low(irg);
+(set_irg_phase_state)(ir_graph *irg, irg_phase_state state) {
+	_set_irg_phase_state(irg, state);
 }
 
 op_pin_state
-(get_irg_pinned)(ir_graph *irg) {
-  return __get_irg_pinned(irg);
+(get_irg_pinned)(const ir_graph *irg) {
+	return _get_irg_pinned(irg);
 }
 
 irg_outs_state
-(get_irg_outs_state)(ir_graph *irg) {
-  return __get_irg_outs_state(irg);
+(get_irg_outs_state)(const ir_graph *irg) {
+	return _get_irg_outs_state(irg);
 }
 
 void
 (set_irg_outs_inconsistent)(ir_graph *irg) {
-  __set_irg_outs_inconsistent(irg);
+	_set_irg_outs_inconsistent(irg);
+}
+
+irg_extblk_state
+(get_irg_extblk_state)(const ir_graph *irg) {
+	return _get_irg_extblk_state(irg);
+}
+
+void
+(set_irg_extblk_inconsistent)(ir_graph *irg) {
+	_set_irg_extblk_inconsistent(irg);
 }
 
 irg_dom_state
-(get_irg_dom_state)(ir_graph *irg) {
-  return __get_irg_dom_state(irg);
+(get_irg_dom_state)(const ir_graph *irg) {
+	return _get_irg_dom_state(irg);
+}
+
+irg_dom_state
+(get_irg_postdom_state)(const ir_graph *irg) {
+	return _get_irg_postdom_state(irg);
 }
 
 void
-(set_irg_dom_inconsistent)(ir_graph *irg) {
-  __set_irg_dom_inconsistent(irg);
+(set_irg_doms_inconsistent)(ir_graph *irg) {
+	_set_irg_doms_inconsistent(irg);
 }
 
 irg_loopinfo_state
-(get_irg_loopinfo_state)(ir_graph *irg) {
-  return __get_irg_loopinfo_state(irg);
+(get_irg_loopinfo_state)(const ir_graph *irg) {
+	return _get_irg_loopinfo_state(irg);
 }
 
 void
 (set_irg_loopinfo_state)(ir_graph *irg, irg_loopinfo_state s) {
-  __set_irg_loopinfo_state(irg, s);
+	_set_irg_loopinfo_state(irg, s);
 }
 
 void
-set_irg_loopinfo_inconsistent(ir_graph *irg) {
-  if (irg->loopinfo_state == loopinfo_ip_consistent)
-    irg->loopinfo_state = loopinfo_ip_inconsistent;
+(set_irg_loopinfo_inconsistent)(ir_graph *irg) {
+	_set_irg_loopinfo_inconsistent(irg);
+}
 
-  else if (irg->loopinfo_state == loopinfo_consistent)
-    irg->loopinfo_state = loopinfo_inconsistent;
+void set_irp_loopinfo_inconsistent(void) {
+	int i;
+	for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+		set_irg_loopinfo_inconsistent(get_irp_irg(i));
+	}
+}
 
-  else if (irg->loopinfo_state == loopinfo_cf_ip_consistent)
-    irg->loopinfo_state = loopinfo_cf_ip_inconsistent;
 
-  else if (irg->loopinfo_state == loopinfo_cf_consistent)
-    irg->loopinfo_state = loopinfo_cf_inconsistent;
-}
 
 void
 (set_irg_pinned)(ir_graph *irg, op_pin_state p) {
-  __set_irg_pinned(irg, p);
+	_set_irg_pinned(irg, p);
 }
 
 irg_callee_info_state
-(get_irg_callee_info_state)(ir_graph *irg) {
-  return __get_irg_callee_info_state(irg);
+(get_irg_callee_info_state)(const ir_graph *irg) {
+	return _get_irg_callee_info_state(irg);
 }
 
 void
 (set_irg_callee_info_state)(ir_graph *irg, irg_callee_info_state s) {
-  __set_irg_callee_info_state(irg, s);
+	_set_irg_callee_info_state(irg, s);
 }
 
 irg_inline_property
-(get_irg_inline_property)(ir_graph *irg) {
-  return __get_irg_inline_property(irg);
+(get_irg_inline_property)(const ir_graph *irg) {
+	return _get_irg_inline_property(irg);
 }
 
 void
 (set_irg_inline_property)(ir_graph *irg, irg_inline_property s) {
-  __set_irg_inline_property(irg, s);
+	_set_irg_inline_property(irg, s);
+}
+
+unsigned
+(get_irg_additional_properties)(const ir_graph *irg) {
+	return _get_irg_additional_properties(irg);
+}
+
+void
+(set_irg_additional_properties)(ir_graph *irg, unsigned property_mask) {
+	_set_irg_additional_properties(irg, property_mask);
+}
+
+void
+(set_irg_additional_property)(ir_graph *irg, mtp_additional_property flag) {
+	_set_irg_additional_property(irg, flag);
 }
 
 void
 (set_irg_link)(ir_graph *irg, void *thing) {
-  __set_irg_link(irg, thing);
+	_set_irg_link(irg, thing);
 }
 
 void *
-(get_irg_link)(ir_graph *irg) {
-  return __get_irg_link(irg);
+(get_irg_link)(const ir_graph *irg) {
+	return _get_irg_link(irg);
 }
 
-/* maximum visited flag content of all ir_graph visited fields. */
-static int max_irg_visited = 0;
+/** maximum visited flag content of all ir_graph visited fields. */
+static unsigned long max_irg_visited = 0;
 
 unsigned long
-(get_irg_visited)(ir_graph *irg) {
-  return __get_irg_visited(irg);
+(get_irg_visited)(const ir_graph *irg) {
+	return _get_irg_visited(irg);
 }
 
 void
-set_irg_visited (ir_graph *irg, unsigned long visited)
-{
-  irg->visited = visited;
-  if (irg->visited > max_irg_visited) {
-    max_irg_visited = irg->visited;
-  }
+set_irg_visited(ir_graph *irg, unsigned long visited) {
+	irg->visited = visited;
+	if (irg->visited > max_irg_visited) {
+		max_irg_visited = irg->visited;
+	}
 }
 
 void
-inc_irg_visited (ir_graph *irg)
-{
-  if (++irg->visited > max_irg_visited) {
-    max_irg_visited = irg->visited;
-  }
+inc_irg_visited(ir_graph *irg) {
+	if (++irg->visited > max_irg_visited) {
+		max_irg_visited = irg->visited;
+	}
 }
 
 unsigned long
-get_max_irg_visited(void)
-{
-  /*
-  int i;
-  for(i = 0; i < get_irp_n_irgs(); i++)
-  assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
-   */
-  return max_irg_visited;
+get_max_irg_visited(void) {
+	/*
+	int i;
+	for(i = 0; i < get_irp_n_irgs(); i++)
+	assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
+	 */
+	return max_irg_visited;
 }
 
 void set_max_irg_visited(int val) {
-  max_irg_visited = val;
+	max_irg_visited = val;
 }
 
 unsigned long
-inc_max_irg_visited(void)
-{
-  /*
-  int i;
-  for(i = 0; i < get_irp_n_irgs(); i++)
-  assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
-  */
-  max_irg_visited++;
-  return max_irg_visited;
+inc_max_irg_visited(void) {
+	/*
+	int i;
+	for(i = 0; i < get_irp_n_irgs(); i++)
+	assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
+	*/
+	return ++max_irg_visited;
 }
 
 unsigned long
-(get_irg_block_visited)(ir_graph *irg) {
-  return __get_irg_block_visited(irg);
+(get_irg_block_visited)(const ir_graph *irg) {
+	return _get_irg_block_visited(irg);
 }
 
 void
 (set_irg_block_visited)(ir_graph *irg, unsigned long visited) {
-  __set_irg_block_visited(irg, visited);
+	_set_irg_block_visited(irg, visited);
 }
 
 void
 (inc_irg_block_visited)(ir_graph *irg) {
-  __inc_irg_block_visited(irg);
+  _inc_irg_block_visited(irg);
+}
+
+/* Return the floating point model of this graph. */
+unsigned (get_irg_fp_model)(const ir_graph *irg) {
+	return _get_irg_fp_model(irg);
+}
+
+/* Sets the floating point model for this graph. */
+void set_irg_fp_model(ir_graph *irg, unsigned model) {
+	irg->fp_model = model;
+}
+
+/**
+ * walker Start->End: places Proj nodes into the same block
+ * as it's predecessors
+ *
+ * @param n    the node
+ * @param env  ignored
+ */
+static void normalize_proj_walker(ir_node *n, void *env) {
+	(void) env;
+	if (is_Proj(n)) {
+		ir_node *pred  = get_Proj_pred(n);
+		ir_node *block = get_nodes_block(pred);
+
+		set_nodes_block(n, block);
+	}
+}
+
+/* move Proj nodes into the same block as its predecessors */
+void normalize_proj_nodes(ir_graph *irg) {
+	irg_walk_graph(irg, NULL, normalize_proj_walker, NULL);
+	set_irg_outs_inconsistent(irg);
+}
+
+/* set a description for local value n */
+void set_irg_loc_description(ir_graph *irg, int n, void *description) {
+	assert(0 <= n && n < irg->n_loc);
+
+	if (! irg->loc_descriptions)
+		irg->loc_descriptions = xcalloc(sizeof(*irg->loc_descriptions), irg->n_loc);
+
+	irg->loc_descriptions[n] = description;
+}
+
+/* get the description for local value n */
+void *get_irg_loc_description(ir_graph *irg, int n) {
+	assert(0 <= n && n < irg->n_loc);
+	return irg->loc_descriptions ? irg->loc_descriptions[n] : NULL;
+}
+
+#ifndef NDEBUG
+void set_using_block_visited(ir_graph *irg) {
+	assert(irg->using_block_visited == 0);
+	irg->using_block_visited = 1;
+}
+
+void clear_using_block_visited(ir_graph *irg) {
+	assert(irg->using_block_visited == 1);
+	irg->using_block_visited = 0;
+}
+
+int using_block_visited(const ir_graph *irg) {
+	return irg->using_block_visited;
+}
+
+
+void set_using_visited(ir_graph *irg) {
+	assert(irg->using_visited == 0);
+	irg->using_visited = 1;
+}
+
+void clear_using_visited(ir_graph *irg) {
+	assert(irg->using_visited == 1);
+	irg->using_visited = 0;
+}
+
+int using_visited(const ir_graph *irg) {
+	return irg->using_visited;
+}
+
+
+void set_using_irn_link(ir_graph *irg) {
+	assert(irg->using_irn_link == 0);
+	irg->using_irn_link = 1;
+}
+
+void clear_using_irn_link(ir_graph *irg) {
+	assert(irg->using_irn_link == 1);
+	irg->using_irn_link = 0;
+}
+
+int using_irn_link(const ir_graph *irg) {
+	return irg->using_irn_link;
+}
+#endif
+
+/* Returns a estimated node count of the irg. */
+unsigned (get_irg_estimated_node_cnt)(const ir_graph *irg) {
+	return _get_irg_estimated_node_cnt(irg);
+}
+
+/* Returns the last irn index for this graph. */
+unsigned get_irg_last_idx(const ir_graph *irg) {
+	return irg->last_node_idx;
+}
+
+/* register additional space in an IR graph */
+size_t register_additional_graph_data(size_t size) {
+	assert(!forbid_new_data && "Too late to register additional node data");
+
+	if (forbid_new_data)
+		return 0;
+
+	return additional_graph_data_size += size;
 }