-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer
-**
-**
-*/
-
-/* $Id$ */
+/*
+ * 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.
+ */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
+# include <string.h>
+
# include "ircons.h"
# include "irgraph_t.h"
-# include "irprog.h"
+# include "irprog_t.h"
# include "iropt_t.h"
# include "array.h"
# include "irgmod.h"
# include "mangle.h"
+# include "irouts.h"
ir_graph *current_ir_graph;
+INLINE ir_graph *get_current_ir_graph(void) {
+ return current_ir_graph;
+}
+INLINE void set_current_ir_graph(ir_graph *graph) {
+ current_ir_graph = graph;
+}
+
+
+bool interprocedural_view = false;
+INLINE bool get_interprocedural_view(void) {
+ return interprocedural_view;
+}
+INLINE void set_interprocedural_view(bool state) {
+ interprocedural_view = state;
+}
+
+static ident* frame_type_suffix = NULL;
+void init_irgraph(void) {
+ frame_type_suffix = id_from_str(FRAME_TP_SUFFIX, strlen(FRAME_TP_SUFFIX));
+}
-#if USE_EXPICIT_PHI_IN_STACK
+#if USE_EXPLICIT_PHI_IN_STACK
/* really defined in ircons.c */
typedef struct Phi_in_stack Phi_in_stack;
Phi_in_stack *new_Phi_in_stack();
ir_node *projX;
res = (ir_graph *) malloc (sizeof (ir_graph));
+ memset(res, 0, sizeof (ir_graph));
+ res->kind=k_ir_graph;
+
current_ir_graph = res;
add_irp_irg(res); /* remember this graph global. */
- /** Internal information for graph construction either held in the graph or
- *** initialized for each graph. **/
+/**
+ * initialized for each graph. **/
#if PRECISE_EXC_CONTEXT
res->n_loc = n_loc + 1 + 1; /* number of local variables that are never
dereferenced in this graph plus one for
res->visited = 0; /* visited flag, for the ir walker */
res->block_visited=0; /* visited flag, for the 'block'-walker */
-#if USE_EXPICIT_PHI_IN_STACK
+#if USE_EXPLICIT_PHI_IN_STACK
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
res->pinned = pinned;
res->outs_state = no_outs;
res->dom_state = no_dom;
+ res->typeinfo_state = irg_typeinfo_none;
+ res->loopinfo_state = loopinfo_none;
- /** Type inforamtion for the procedure of the graph **/
+ /** Type information for the procedure of the graph **/
res->ent = ent;
set_entity_irg(ent, res);
- /** A type that represents the stack frame. A class type so that it can
+/**
contain "inner" methods as in Pascal. **/
- res->frame_type = new_type_class(mangle(get_entity_ident(ent),
- id_from_str(FRAME_TP_SUFFIX, strlen(FRAME_TP_SUFFIX))));
+ 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->start_block = new_immBlock ();
res->start = new_Start ();
- res->bad = new_ir_node (res, res->start_block, op_Bad, mode_T, 0, NULL);
+ 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, pns_initial_exec);
set_store (new_Proj (res->start, mode_M, pns_global_store));
- res->frame = new_Proj (res->start, mode_p, pns_frame_base);
- res->globals = new_Proj (res->start, mode_p, pns_globals);
+ res->frame = new_Proj (res->start, mode_P_mach, pns_frame_base);
+ res->globals = new_Proj (res->start, mode_P_mach, pns_globals);
res->args = new_Proj (res->start, mode_T, pns_args);
+#ifdef DEBUG_libfirm
+ res->graph_nr = get_irp_new_node_nr();
+#endif
+
add_in_edge(res->start_block, projX);
/*
/* Make a rudimentary ir graph for the constant code.
Must look like a correct irg, spare everything else. */
-ir_graph *new_const_code_irg() {
+ir_graph *new_const_code_irg(void) {
ir_graph *res;
ir_node *projX;
- res = (ir_graph *) malloc (sizeof (ir_graph));
+ res = (ir_graph *) malloc (sizeof(*res));
+ memset(res, 0, sizeof(*res));
+
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_EXPICIT_PHI_IN_STACK
+#if USE_EXPLICIT_PHI_IN_STACK
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->pinned = pinned;
res->value_table = new_identities (); /* value table for global value
numbering for optimizing use in
res->end_block = new_immBlock ();
res->end = new_End ();
mature_block(get_cur_block());
- res->bad = new_ir_node (res, res->start_block, op_Bad, mode_T, 0, NULL);
+ 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);
res->start = new_Start ();
+
/* Proj results of start node */
projX = new_Proj (res->start, mode_X, pns_initial_exec);
set_store (new_Proj (res->start, mode_M, pns_global_store));
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);
return res;
}
+/* Defined in iropt.c */
+void del_identities (pset *value_table);
+
/* Frees the passed irgraph.
Deallocates all nodes in this graph and the ir_graph structure.
Sets the field irgraph in the corresponding entity to NULL.
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) {
- set_entity_irg(irg->ent, NULL);
+ if (irg->ent) set_entity_irg(irg->ent, NULL); /* not set in const code irg */
+ free_End(irg->end);
+ if (irg->frame_type) free_type(irg->frame_type);
+ if (irg->value_table) del_identities(irg->value_table);
+ if (irg->outs_state != no_outs) free_outs(irg);
+ obstack_free(irg->obst,NULL);
free(irg->obst);
-#if USE_EXPICIT_PHI_IN_STACK
+#if USE_EXPLICIT_PHI_IN_STACK
free_Phi_in_stack(irg->Phi_in_stack);
#endif
+ irg->kind = k_BAD;
free(irg);
}
{attr type} get_irg_{attribute name} (ir_graph *irg);
void set_irg_{attr name} (ir_graph *irg, {attr type} {attr}); */
+int
+is_ir_graph(void *thing) {
+ assert(thing);
+ if (get_kind(thing) == k_ir_graph)
+ return 1;
+ else
+ return 0;
+}
+
+/* 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 0;
+#endif
+}
+
ir_node *
get_irg_start_block (ir_graph *irg)
{
irg->bad = node;
}
+/* GL removed: we need unknown with mode for analyses.
+ir_node *
+get_irg_unknown (ir_graph *irg)
+{
+ return irg->unknown;
+}
+
+void
+set_irg_unknown (ir_graph *irg, ir_node *node)
+{
+ irg->unknown = node;
+}
+*/
+
ir_node *
get_irg_current_block (ir_graph *irg)
{
void
set_irg_frame_type (ir_graph *irg, type *ftp)
{
+ assert(is_class_type(ftp));
irg->frame_type = ftp;
}
/* To test for a frame type */
int
is_frame_type(type *ftp) {
- return ((is_class_type(ftp) || is_struct_type(ftp)) &&
- id_is_suffix(id_from_str(FRAME_TP_SUFFIX, strlen(FRAME_TP_SUFFIX)),
- get_type_ident(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;
}
int
-get_irg_n_loc (ir_graph *irg)
+get_irg_n_locs (ir_graph *irg)
{
#if PRECISE_EXC_CONTEXT
return irg->n_loc - 1 - 1;
#endif
}
-irg_phase_state get_irg_phase_state (ir_graph *irg) {
+
+
+/* Returns the obstack associated with the graph. */
+struct obstack *get_irg_obstack(ir_graph *irg) {
+ return irg->obst;
+}
+
+/*
+ * Returns true if the node n is allocated on the storage of graph irg.
+ *
+ * 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;
+
+ /*
+ * 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;
+ }
+
+ return 0;
+}
+
+irg_phase_state
+get_irg_phase_state (ir_graph *irg) {
return irg->phase_state;
}
-void set_irg_phase_low(ir_graph *irg) {
+void
+set_irg_phase_low(ir_graph *irg) {
irg->phase_state = phase_low;
}
return irg->pinned;
}
-irg_outs_state get_irg_outs_state(ir_graph *irg) {
+irg_outs_state
+get_irg_outs_state(ir_graph *irg) {
return irg->outs_state;
}
-void set_irg_outs_inconsistent(ir_graph *irg) {
+void
+set_irg_outs_inconsistent(ir_graph *irg) {
irg->outs_state = outs_inconsistent;
}
-irg_dom_state get_irg_dom_state(ir_graph *irg) {
+irg_dom_state
+get_irg_dom_state(ir_graph *irg) {
return irg->dom_state;
}
-void set_irg_dom_inconsistent(ir_graph *irg) {
+void
+set_irg_dom_inconsistent(ir_graph *irg) {
irg->dom_state = dom_inconsistent;
}
-inline void
-set_irg_pinned (ir_graph *irg, op_pinned p)
-{
+irg_loopinfo_state
+get_irg_loopinfo_state(ir_graph *irg) {
+ return irg->loopinfo_state;
+}
+
+void set_irg_loopinfo_state(ir_graph *irg, irg_loopinfo_state s) {
+ irg->loopinfo_state = s;
+}
+
+void
+set_irg_loopinfo_inconsistent(ir_graph *irg) {
+ if (irg->loopinfo_state == loopinfo_ip_consistent)
+ irg->loopinfo_state = loopinfo_ip_inconsistent;
+ else
+ irg->loopinfo_state = loopinfo_inconsistent;
+}
+
+INLINE void
+set_irg_pinned (ir_graph *irg, op_pinned p) {
irg->pinned = p;
}
+
+irg_callee_info_state get_irg_callee_info_state(ir_graph *irg) {
+ return irg->callee_info_state;
+}
+
+void set_irg_callee_info_state(ir_graph *irg, irg_callee_info_state s) {
+ irg->callee_info_state = s;
+}
+
+irg_inline_property get_irg_inline_property(ir_graph *irg) {
+ return irg->inline_property;
+}
+void set_irg_inline_property(ir_graph *irg, irg_inline_property s) {
+ irg->inline_property = s;
+}
+
+
+INLINE void
+set_irg_link (ir_graph *irg, void *thing) {
+ irg->link = thing;
+}
+
+INLINE void *
+get_irg_link (ir_graph *irg) {
+ return irg->link;
+}
+
+/* maximum visited flag content of all ir_graph visited fields. */
+static int max_irg_visited = 0;
+
unsigned long
get_irg_visited (ir_graph *irg)
{
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)
{
- irg->visited = irg->visited++;
+ 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;
+}
+
+void set_max_irg_visited(int 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;
}
unsigned long
void
inc_irg_block_visited (ir_graph *irg)
{
- irg->block_visited = irg->block_visited++;
+ ++irg->block_visited;
}
projects / libfirm / blobdiff