/*
- * Project: libFIRM
- * File name: ir/ir/irprog.c
- * Purpose: Entry point to the representation of a whole program.
- * Author: Goetz Lindenmaier
- * Modified by:
- * Created: 2000
- * CVS-ID: $Id$
- * Copyright: (c) 2000-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 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.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+/**
+ * @file
+ * @brief Entry point to the representation of a whole program.
+ * @author Goetz Lindenmaier, Michael Beck
+ * @date 2000
+ * @version $Id$
+ */
+#include "config.h"
#ifdef HAVE_STRING_H
# include <string.h>
#endif
-# include "irprog_t.h"
-# include "irgraph_t.h"
-# include "pseudo_irg.h"
-# include "array.h"
-# include "obst.h"
-# include "typegmod.h"
-# include "irop_t.h"
+#include "irprog_t.h"
+#include "irgraph_t.h"
+#include "pseudo_irg.h"
+#include "array.h"
+#include "error.h"
+#include "obst.h"
+#include "irop_t.h"
+#include "irmemory.h"
-#define GLOBAL_TYPE_NAME "GlobalType"
+/** The initial name of the irp program. */
#define INITAL_PROG_NAME "no_name_set"
/* A variable from where everything in the ir can be accessed. */
/**
* Create a new incomplete ir_prog.
*/
-static ir_prog *new_incomplete_ir_prog (void) {
- ir_prog *res;
-
- res = xmalloc (sizeof(*res));
- memset(res, 0, sizeof(*res));
- irp = res;
-
- res->kind = k_ir_prog;
- res->graphs = NEW_ARR_F(ir_graph *, 0);
- res->pseudo_graphs = NEW_ARR_F(ir_graph *, 0);
- res->types = NEW_ARR_F(ir_type *, 0);
- res->modes = NEW_ARR_F(ir_mode *, 0);
- res->opcodes = NEW_ARR_F(ir_op *, 0);
+static ir_prog *new_incomplete_ir_prog(void)
+{
+ ir_prog *res = XMALLOCZ(ir_prog);
+
+ res->kind = k_ir_prog;
+ res->graphs = NEW_ARR_F(ir_graph *, 0);
+ res->pseudo_graphs = NEW_ARR_F(ir_graph *, 0);
+ res->types = NEW_ARR_F(ir_type *, 0);
+ res->modes = NEW_ARR_F(ir_mode *, 0);
+ res->opcodes = NEW_ARR_F(ir_op *, 0);
+ res->global_asms = NEW_ARR_F(ident *, 0);
+ res->last_region_nr = 0;
+ res->last_label_nr = 1; /* 0 is reserved as non-label */
+ res->max_irg_idx = 0;
#ifdef DEBUG_libfirm
- res->max_node_nr = 0;
+ res->max_node_nr = 0;
+#endif
+#ifndef NDEBUG
+ res->reserved_resources = 0;
#endif
- return res;
+ return res;
}
/** Completes an incomplete irprog. */
static ir_prog *complete_ir_prog(ir_prog *irp) {
-
- irp->name = new_id_from_str(INITAL_PROG_NAME);
-
- irp->glob_type = new_type_class(new_id_from_str (GLOBAL_TYPE_NAME));
- /* Remove type from type list. Must be treated differently than
- other types. */
- remove_irp_type(irp->glob_type);
-
- irp->const_code_irg = new_const_code_irg();
-
- irp->outs_state = outs_none;
- irp->ip_outedges = NULL;
- irp->trouts_state = outs_none;
- irp->class_cast_state = ir_class_casts_transitive;
-
- return irp;
-}
-
-/* initializes ir_prog. Constructs only the basic lists */
+ int i;
+#define IDENT(s) new_id_from_chars(s, sizeof(s)-1)
+
+ irp->name = IDENT(INITAL_PROG_NAME);
+
+ irp->segment_types[IR_SEGMENT_GLOBAL] = new_type_class(IDENT("GlobalType"));
+ irp->segment_types[IR_SEGMENT_THREAD_LOCAL]
+ = new_type_struct(IDENT("ThreadLocal"));
+ irp->segment_types[IR_SEGMENT_CONSTRUCTORS]
+ = new_type_struct(IDENT("Constructors"));
+ irp->segment_types[IR_SEGMENT_DESTRUCTORS]
+ = new_type_struct(IDENT("Destructors"));
+ /* Remove these types from type list. Must be treated differently than
+ other types. */
+ for (i = 0; i < IR_SEGMENT_COUNT; ++i) {
+ remove_irp_type(irp->segment_types[i]);
+ }
+
+ /* Set these flags for debugging. */
+ irp->segment_types[IR_SEGMENT_GLOBAL]->flags |= tf_global_type;
+ irp->segment_types[IR_SEGMENT_THREAD_LOCAL]->flags |= tf_tls_type;
+
+ /* The global type is a class, but we cannot derive from it, so set
+ the final property to assist optimizations that checks for it. */
+ set_class_final(irp->segment_types[IR_SEGMENT_GLOBAL], 1);
+
+ irp->const_code_irg = new_const_code_irg();
+
+ irp->phase_state = phase_building;
+ irp->outs_state = outs_none;
+ irp->ip_outedges = NULL;
+ irp->trouts_state = outs_none;
+ irp->class_cast_state = ir_class_casts_transitive;
+ irp->globals_entity_usage_state = ir_entity_usage_not_computed;
+
+ return irp;
+#undef IDENT
+}
+
+/* initializes ir_prog. Constructs only the basic lists. */
void init_irprog_1(void) {
- new_incomplete_ir_prog();
+ irp = new_incomplete_ir_prog();
}
/* Completes ir_prog. */
void init_irprog_2(void) {
- complete_ir_prog(irp);
+ complete_ir_prog(irp);
}
/* Create a new ir prog. Automatically called by init_firm through
init_irprog. */
-ir_prog *new_ir_prog (void) {
- return complete_ir_prog(new_incomplete_ir_prog());
+ir_prog *new_ir_prog(void) {
+ return complete_ir_prog(new_incomplete_ir_prog());
}
/* frees all memory used by irp. Types in type list, irgs in irg
- list and entities in global type must be freed by hand before. */
-void free_ir_prog(void) {
- if (irp->glob_type)
- free_type(irp->glob_type);
+ list and entities in global type must be freed by hand before. */
+void free_ir_prog(void) {
+ int i;
+ for (i = 0; i < IR_SEGMENT_COUNT; ++i) {
+ free_type(irp->segment_types[i]);
+ }
- /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
- DEL_ARR_F(irp->graphs);
- DEL_ARR_F(irp->pseudo_graphs);
- DEL_ARR_F(irp->types);
- DEL_ARR_F(irp->modes);
- DEL_ARR_F(irp->opcodes);
+ free_ir_graph(irp->const_code_irg);
+ DEL_ARR_F(irp->graphs);
+ DEL_ARR_F(irp->pseudo_graphs);
+ DEL_ARR_F(irp->types);
+ DEL_ARR_F(irp->modes);
- irp->name = NULL;
- irp->const_code_irg = NULL;
- irp->kind = k_BAD;
+ finish_op();
+ DEL_ARR_F(irp->opcodes);
+ DEL_ARR_F(irp->global_asms);
+
+ irp->name = NULL;
+ irp->const_code_irg = NULL;
+ irp->kind = k_BAD;
}
/*- Functions to access the fields of ir_prog -*/
/* Access the main routine of the compiled program. */
ir_graph *get_irp_main_irg(void) {
- assert (irp);
- return irp->main_irg;
+ assert(irp);
+ return irp->main_irg;
}
void set_irp_main_irg(ir_graph *main_irg) {
- assert (irp);
- irp->main_irg = main_irg;
+ assert(irp);
+ irp->main_irg = main_irg;
+}
+
+ir_type *(get_segment_type)(ir_segment_t segment) {
+ return _get_segment_type(segment);
}
ir_type *(get_glob_type)(void) {
- return _get_glob_type();
+ return _get_glob_type();
+}
+
+ir_type *(get_tls_type)(void) {
+ return _get_tls_type();
}
/* Adds irg to the list of ir graphs in irp. */
void add_irp_irg(ir_graph *irg) {
- assert (irg != NULL);
- assert(irp && irp->graphs);
- ARR_APP1 (ir_graph *, irp->graphs, irg);
+ assert(irg != NULL);
+ assert(irp && irp->graphs);
+ ARR_APP1(ir_graph *, irp->graphs, irg);
}
/* Removes irg from the list or irgs, shrinks the list by one. */
void remove_irp_irg_from_list(ir_graph *irg){
- int i, found = 0;
- assert(irg);
- for (i = 0; i < (ARR_LEN (irp->graphs)); i++) {
- if (irp->graphs[i] == irg) {
- found = 1;
- for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
- irp->graphs[i] = irp->graphs[i+1];
- }
- ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
- break;
- }
- }
- if (!found) {
- for (i = 0; i < (ARR_LEN (irp->pseudo_graphs)); i++) {
- if (irp->pseudo_graphs[i] == irg) {
- for(; i < (ARR_LEN (irp->pseudo_graphs)) - 1; i++) {
- irp->pseudo_graphs[i] = irp->pseudo_graphs[i+1];
- }
- ARR_SETLEN(ir_graph*, irp->pseudo_graphs, (ARR_LEN(irp->pseudo_graphs)) - 1);
- break;
- }
- }
- }
+ int i, found = 0;
+
+ assert(irg);
+ for (i = 0; i < (ARR_LEN (irp->graphs)); i++) {
+ if (irp->graphs[i] == irg) {
+ found = 1;
+ for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
+ irp->graphs[i] = irp->graphs[i+1];
+ }
+ ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
+ break;
+ }
+ }
+ if (!found) {
+ for (i = 0; i < (ARR_LEN (irp->pseudo_graphs)); i++) {
+ if (irp->pseudo_graphs[i] == irg) {
+ for(; i < (ARR_LEN (irp->pseudo_graphs)) - 1; i++) {
+ irp->pseudo_graphs[i] = irp->pseudo_graphs[i+1];
+ }
+ ARR_SETLEN(ir_graph*, irp->pseudo_graphs, (ARR_LEN(irp->pseudo_graphs)) - 1);
+ break;
+ }
+ }
+ }
}
/* Removes irg from the list or irgs, shrinks the list by one. */
void remove_irp_irg(ir_graph *irg){
- assert(irg);
- free_ir_graph(irg);
- remove_irp_irg_from_list(irg);
+ assert(irg);
+ free_ir_graph(irg);
+ remove_irp_irg_from_list(irg);
}
int (get_irp_n_irgs)(void) {
- return _get_irp_n_irgs();
+ return _get_irp_n_irgs();
}
ir_graph *(get_irp_irg)(int pos){
- return _get_irp_irg(pos);
+ return _get_irp_irg(pos);
+}
+
+int get_irp_last_idx(void) {
+ return irp->max_irg_idx;
}
void set_irp_irg(int pos, ir_graph *irg) {
- assert (irp && irg);
- assert (pos < (ARR_LEN(irp->graphs)));
- irp->graphs[pos] = irg;
+ assert(irp && irg);
+ assert(pos < (ARR_LEN(irp->graphs)));
+ irp->graphs[pos] = irg;
}
/* Gets the number of graphs _and_ pseudo graphs. */
-int get_irp_n_allirgs(void) {
- /* We can not call get_irp_n_irgs, as we end up in a recursion ... */
- return ARR_LEN(irp->graphs) + get_irp_n_pseudo_irgs();
+int get_irp_n_allirgs(void) {
+ /* We can not call get_irp_n_irgs, as we end up in a recursion ... */
+ return ARR_LEN(irp->graphs) + get_irp_n_pseudo_irgs();
}
/* Returns the ir graph at position pos of all graphs (including
pseudo graphs). Visits first graphs, then pseudo graphs. */
ir_graph *get_irp_allirg(int pos) {
- int n_irgs = ARR_LEN(irp->graphs);
- assert(0 <= pos);
- if (pos < n_irgs) {
- return irp->graphs[pos];
- } else {
- return get_irp_pseudo_irg(pos-n_irgs);
- }
+ int n_irgs = ARR_LEN(irp->graphs);
+ assert(0 <= pos);
+ if (pos < n_irgs) {
+ return irp->graphs[pos];
+ } else {
+ return get_irp_pseudo_irg(pos-n_irgs);
+ }
}
/* Adds type to the list of types in irp. */
void add_irp_type(ir_type *typ) {
- assert (typ != NULL);
- assert(irp);
- ARR_APP1 (ir_type *, irp->types, typ);
+ assert(typ != NULL);
+ assert(irp);
+ ARR_APP1 (ir_type *, irp->types, typ);
}
/* Remove type form the list of types in irp. */
void remove_irp_type(ir_type *typ) {
- int i;
- assert(typ);
+ int i;
+ assert(typ);
- for (i = ARR_LEN(irp->types) -1; i >= 0; i--) {
- if (irp->types[i] == typ) {
- for(; i < (ARR_LEN(irp->types)) - 1; i++) {
- irp->types[i] = irp->types[i+1];
- }
- ARR_SETLEN(ir_type *, irp->types, (ARR_LEN(irp->types)) - 1);
- break;
- }
- }
+ for (i = ARR_LEN(irp->types) -1; i >= 0; i--) {
+ if (irp->types[i] == typ) {
+ for(; i < (ARR_LEN(irp->types)) - 1; i++) {
+ irp->types[i] = irp->types[i+1];
+ }
+ ARR_SETLEN(ir_type *, irp->types, (ARR_LEN(irp->types)) - 1);
+ break;
+ }
+ }
}
int (get_irp_n_types) (void) {
- return _get_irp_n_types();
+ return _get_irp_n_types();
}
ir_type *(get_irp_type) (int pos) {
- return _get_irp_type(pos);
+ return _get_irp_type(pos);
}
void set_irp_type(int pos, ir_type *typ) {
- assert (irp && typ);
- assert (pos < (ARR_LEN((irp)->types)));
- irp->types[pos] = typ;
+ assert(irp && typ);
+ assert(pos < (ARR_LEN((irp)->types)));
+ irp->types[pos] = typ;
}
/* Returns the number of all modes in the irp. */
int (get_irp_n_modes)(void) {
- return _get_irp_n_modes();
+ return _get_irp_n_modes();
}
/* Returns the mode at position pos in the irp. */
ir_mode *(get_irp_mode)(int pos) {
- return _get_irp_mode(pos);
+ return _get_irp_mode(pos);
}
/* Adds mode to the list of modes in irp. */
void add_irp_mode(ir_mode *mode) {
- assert(mode != NULL);
- assert(irp);
- ARR_APP1(ir_mode *, irp->modes, mode);
+ assert(mode != NULL);
+ assert(irp);
+ ARR_APP1(ir_mode *, irp->modes, mode);
}
/* Adds opcode to the list of opcodes in irp. */
void add_irp_opcode(ir_op *opcode) {
- assert(opcode != NULL);
- assert(irp);
- ARR_APP1(ir_op *, irp->opcodes, opcode);
+ assert(opcode != NULL);
+ assert(irp);
+ assert(opcode->code == (unsigned) ARR_LEN(irp->opcodes) && "new_ir_op() called in wrong order");
+ ARR_APP1(ir_op *, irp->opcodes, opcode);
}
/* Removes opcode from the list of opcodes and shrinks the list by one. */
void remove_irp_opcode(ir_op *opcode) {
- int i;
- assert(opcode);
+ int i;
- for (i = ARR_LEN(irp->opcodes) -1; i >= 0; i--) {
- if (irp->opcodes[i] == opcode) {
- for(; i < (ARR_LEN(irp->opcodes)) - 1; i++) {
- irp->opcodes[i] = irp->opcodes[i+1];
- }
- ARR_SETLEN(ir_op *, irp->opcodes, (ARR_LEN(irp->opcodes)) - 1);
- break;
- }
- }
+ assert(opcode);
+ for (i = ARR_LEN(irp->opcodes) -1; i >= 0; i--) {
+ if (irp->opcodes[i] != opcode)
+ continue;
+ for (; i < (ARR_LEN(irp->opcodes)) - 1; i++) {
+ irp->opcodes[i] = irp->opcodes[i+1];
+ }
+ ARR_SETLEN(ir_op *, irp->opcodes, (ARR_LEN(irp->opcodes)) - 1);
+ return;
+ }
+ panic("Deleting unknown opcode");
}
/* Returns the number of all opcodes in the irp. */
int (get_irp_n_opcodes)(void) {
- return _get_irp_n_opcodes();
+ return _get_irp_n_opcodes();
}
/* Returns the opcode at position pos in the irp. */
ir_op *(get_irp_opcode)(int pos) {
- return _get_irp_opcode(pos);
+ return _get_irp_opcode(pos);
}
/* Sets the generic function pointer of all opcodes to NULL */
void clear_irp_opcodes_generic_func(void) {
- int i;
+ int i;
- for (i = get_irp_n_opcodes() - 1; i >= 0; --i) {
- ir_op *op = get_irp_opcode(i);
- op->ops.generic = (op_func)NULL;
- }
+ for (i = get_irp_n_opcodes() - 1; i >= 0; --i) {
+ ir_op *op = get_irp_opcode(i);
+ op->ops.generic = (op_func)NULL;
+ }
}
/*- File name / executable name or the like -*/
void set_irp_prog_name(ident *name) {
- irp->name = name;
+ irp->name = name;
}
int irp_prog_name_is_set(void) {
- return irp->name != new_id_from_str(INITAL_PROG_NAME);
+ return irp->name != new_id_from_str(INITAL_PROG_NAME);
}
ident *get_irp_prog_ident(void) {
- return irp->name;
+ return irp->name;
}
const char *get_irp_prog_name(void) {
- return get_id_str(irp->name);
+ return get_id_str(irp->name);
}
ir_graph *(get_const_code_irg)(void) {
- return _get_const_code_irg();
+ return _get_const_code_irg();
}
irg_phase_state get_irp_phase_state(void) {
- return irp->phase_state;
+ return irp->phase_state;
}
-void set_irp_phase_state(irg_phase_state s) {
- irp->phase_state = s;
+
+void set_irp_phase_state(irg_phase_state s) {
+ irp->phase_state = s;
}
irg_outs_state get_irp_ip_outs_state(void) {
- return irp->outs_state;
+ return irp->outs_state;
}
void set_irp_ip_outs_inconsistent(void) {
- irp->outs_state = outs_inconsistent;
+ irp->outs_state = outs_inconsistent;
}
-void set_irp_ip_outedges(ir_node ** ip_outedges)
-{
- irp->ip_outedges = ip_outedges;
+void set_irp_ip_outedges(ir_node ** ip_outedges) {
+ irp->ip_outedges = ip_outedges;
}
-ir_node** get_irp_ip_outedges(void)
-{
- return irp->ip_outedges;
+ir_node** get_irp_ip_outedges(void) {
+ return irp->ip_outedges;
}
-
irg_callee_info_state get_irp_callee_info_state(void) {
- return irp->callee_info_state;
+ return irp->callee_info_state;
}
void set_irp_callee_info_state(irg_callee_info_state s) {
- irp->callee_info_state = s;
+ irp->callee_info_state = s;
+}
+
+/* Returns a new, unique exception region number. */
+ir_exc_region_t (get_irp_next_region_nr)(void) {
+ return _get_irp_next_region_nr();
}
+
+/* Returns a new, unique label number. */
+ir_label_t (get_irp_next_label_nr)(void) {
+ return _get_irp_next_label_nr();
+}
+
+/* Add a new global asm include */
+void add_irp_asm(ident *asm_string) {
+ ARR_APP1(ident *, irp->global_asms, asm_string);
+}
+
+/* Return the number of global asm includes. */
+int get_irp_n_asms(void) {
+ return ARR_LEN(irp->global_asms);
+}
+
+/* Return the global asm include at position pos. */
+ident *get_irp_asm(int pos) {
+ assert(pos <= 0 && pos < get_irp_n_asms());
+ return irp->global_asms[pos];
+}
+
+#ifndef NDEBUG
+void irp_reserve_resources(ir_prog *irp, ir_resources_t resources) {
+ assert((irp->reserved_resources & resources) == 0);
+ irp->reserved_resources |= resources;
+}
+
+void irp_free_resources(ir_prog *irp, ir_resources_t resources) {
+ assert((irp->reserved_resources & resources) == resources);
+ irp->reserved_resources &= ~resources;
+}
+
+ir_resources_t irp_resources_reserved(const ir_prog *irp) {
+ return irp->reserved_resources;
+}
+#endif
projects / libfirm / blobdiff