/*
- * 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) 1995-2011 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 <string.h>
-# include "irprog_t.h"
-# include "irgraph_t.h"
-# include "pseudo_irg.h"
-# include "array.h"
-# include "obst.h"
-# include "typegmod.h"
+#include "irprog_t.h"
+#include "irgraph_t.h"
+#include "irpass_t.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. */
ir_prog *irp;
ir_prog *get_irp(void) { return irp; }
-
-/* initializes ir_prog. Calles the constructor for an ir_prog. */
-void init_irprog(void) {
- new_ir_prog ();
+void set_irp(ir_prog *new_irp)
+{
+ irp = new_irp;
}
-void remove_irp_type_from_list (type *typ) {
- int i;
- assert(typ);
-#if 0
- for (i = 0; i < (ARR_LEN (irp->types)); i++) {
-#else
- for (i = ARR_LEN (irp->types) -1; i >= 0; i--) {
+/**
+ * Create a new incomplete ir_prog.
+ */
+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->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;
+ res->max_node_nr = 0;
+#ifndef NDEBUG
+ res->reserved_resources = IR_RESOURCE_NONE;
#endif
- if (irp->types[i] == typ) {
- for(; i < (ARR_LEN (irp->types)) - 1; i++) {
- irp->types[i] = irp->types[i+1];
- }
- ARR_SETLEN(type*, irp->types, (ARR_LEN(irp->types)) - 1);
- break;
- }
- }
+
+ return res;
+}
+
+/**
+ * Completes an incomplete irprog.
+ *
+ * @param irp the (yet incomplete) irp
+ * @param module_name the (module) name for this irp
+ */
+static ir_prog *complete_ir_prog(ir_prog *irp, const char *module_name)
+{
+ ir_segment_t s;
+
+#define IDENT(x) new_id_from_chars(x, sizeof(x) - 1)
+
+ irp->name = new_id_from_str(module_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_class(IDENT("Constructors"));
+ irp->segment_types[IR_SEGMENT_DESTRUCTORS]
+ = new_type_class(IDENT("Destructors"));
+ /* Remove these types from type list. Must be treated differently than
+ other types. */
+ for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
+ remove_irp_type(irp->segment_types[s]);
+ }
+
+ /* 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;
+ irp->segment_types[IR_SEGMENT_CONSTRUCTORS]->flags |= tf_constructors;
+ irp->segment_types[IR_SEGMENT_DESTRUCTORS]->flags |= tf_destructors;
+
+ /* 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;
+
+ current_ir_graph = irp->const_code_irg;
+
+ return irp;
+#undef IDENT
+}
+
+/* initializes ir_prog. Constructs only the basic lists. */
+void init_irprog_1(void)
+{
+ irp = new_incomplete_ir_prog();
+}
+
+/* Completes ir_prog. */
+void init_irprog_2(void)
+{
+ (void)complete_ir_prog(irp, INITAL_PROG_NAME);
}
/* Create a new ir prog. Automatically called by init_firm through
init_irprog. */
-ir_prog *new_ir_prog (void) {
- ir_prog *res;
-
- res = xmalloc (sizeof(*res));
- memset(res, 0, sizeof(*res));
- irp = res;
- /* res->obst = xmalloc (sizeof(*res->obst)); */
- res->graphs = NEW_ARR_F (ir_graph *, 0);
- res->pseudo_graphs = NEW_ARR_F (ir_graph *, 0);
- res->types = NEW_ARR_F (type *, 0);
- res->name = new_id_from_str(INITAL_PROG_NAME);
-
-#ifdef DEBUG_libfirm
- res->max_node_nr = 0;
-#endif
+ir_prog *new_ir_prog(const char *name)
+{
+ return complete_ir_prog(new_incomplete_ir_prog(), name);
+}
- res->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_from_list(res->glob_type);
+/* 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)
+{
+ ir_segment_t s;
+ for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
+ free_type(irp->segment_types[s]);
+ }
- res->const_code_irg = new_const_code_irg();
+ free_ir_graph(irp->const_code_irg);
+ DEL_ARR_F(irp->graphs);
+ DEL_ARR_F(irp->types);
+ DEL_ARR_F(irp->modes);
- res->outs_state = outs_none;
- res->ip_outedges = NULL;
- res->trouts_state = outs_none;
+ finish_op();
+ DEL_ARR_F(irp->opcodes);
+ DEL_ARR_F(irp->global_asms);
- return res;
+ irp->name = NULL;
+ irp->const_code_irg = NULL;
+ irp->kind = k_BAD;
}
-/* 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) {
- free_type(irp->glob_type);
- /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
- DEL_ARR_F(irp->graphs);
- DEL_ARR_F(irp->types);
+/*- Functions to access the fields of ir_prog -*/
- irp->kind = k_BAD;
- irp->const_code_irg = NULL;
+
+/* Access the main routine of the compiled program. */
+ir_graph *get_irp_main_irg(void)
+{
+ assert(irp);
+ return irp->main_irg;
}
-/*- Functions to access the fields of ir_prog -*/
+void set_irp_main_irg(ir_graph *main_irg)
+{
+ assert(irp);
+ irp->main_irg = main_irg;
+}
+ir_type *(get_segment_type)(ir_segment_t segment)
+{
+ return _get_segment_type(segment);
+}
-/* Access the main routine of the compiled program. */
-ir_graph *get_irp_main_irg(void) {
- assert (irp);
- return irp->main_irg;
+void set_segment_type(ir_segment_t segment, ir_type *new_type)
+{
+ assert(segment <= IR_SEGMENT_LAST);
+ irp->segment_types[segment] = new_type;
+ /* segment types are not in the type list... */
+ remove_irp_type(new_type);
}
-void set_irp_main_irg(ir_graph *main_irg) {
- assert (irp);
- irp->main_irg = main_irg;
+ir_type *(get_glob_type)(void)
+{
+ return _get_glob_type();
}
-type *(get_glob_type)(void) {
- 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);
+void add_irp_irg(ir_graph *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 = false;
- assert(irg);
- for (i = 0; i < (ARR_LEN (irp->graphs)); i++) {
- if (irp->graphs[i] == irg) {
- found = true;
- 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;
- }
- }
- }
+void remove_irp_irg_from_list(ir_graph *irg)
+{
+ size_t i, l;
+
+ assert(irg);
+ l = ARR_LEN(irp->graphs);
+ for (i = 0; i < l; ++i) {
+ if (irp->graphs[i] == irg) {
+ for (; i < l - 1; ++i) {
+ irp->graphs[i] = irp->graphs[i+1];
+ }
+ ARR_SETLEN(ir_graph*, irp->graphs, l - 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);
+void remove_irp_irg(ir_graph *irg)
+{
+ free_ir_graph(irg);
+ remove_irp_irg_from_list(irg);
}
-int (get_irp_n_irgs)(void) {
- return __get_irp_n_irgs();
+size_t (get_irp_n_irgs)(void)
+{
+ return _get_irp_n_irgs();
}
-ir_graph *(get_irp_irg)(int pos){
- return __get_irp_irg(pos);
+ir_graph *(get_irp_irg)(size_t pos)
+{
+ return _get_irp_irg(pos);
}
-void set_irp_irg(int pos, ir_graph *irg) {
- assert (irp && irg);
- assert (pos < (ARR_LEN((irp)->graphs)));
- irp->graphs[pos] = irg;
+size_t get_irp_last_idx(void)
+{
+ return irp->max_irg_idx;
+}
+
+void set_irp_irg(size_t pos, ir_graph *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();
+/* 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);
}
-/* 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);
- }
+/* Remove type from the list of types in irp. */
+void remove_irp_type(ir_type *typ)
+{
+ size_t i, l;
+ assert(typ);
+
+ l = ARR_LEN(irp->types);
+ for (i = 0; i < l; ++i) {
+ if (irp->types[i] == typ) {
+ for (; i < l - 1; ++i) {
+ irp->types[i] = irp->types[i+1];
+ }
+ ARR_SETLEN(ir_type *, irp->types, l - 1);
+ break;
+ }
+ }
+}
+
+size_t (get_irp_n_types) (void)
+{
+ return _get_irp_n_types();
}
+ir_type *(get_irp_type) (size_t pos)
+{
+ return _get_irp_type(pos);
+}
-/* Adds type to the list of types in irp. */
-void add_irp_type(type *typ) {
- assert (typ != NULL);
- assert(irp);
- ARR_APP1 (type *, irp->types, typ);
+void set_irp_type(size_t pos, ir_type *typ)
+{
+ assert(irp && typ);
+ assert(pos < ARR_LEN((irp)->types));
+ irp->types[pos] = typ;
}
-void remove_irp_type(type *typ) {
- remove_irp_type_from_list (typ);
+/* Returns the number of all modes in the irp. */
+size_t (get_irp_n_modes)(void)
+{
+ return _get_irp_n_modes();
}
-int (get_irp_n_types) (void) {
- return __get_irp_n_types();
+/* Returns the mode at position pos in the irp. */
+ir_mode *(get_irp_mode)(size_t pos)
+{
+ return _get_irp_mode(pos);
}
-type *(get_irp_type) (int pos) {
- return __get_irp_type(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);
}
-void set_irp_type(int pos, type *typ) {
- assert (irp && typ);
- assert (pos < (ARR_LEN((irp)->types)));
- irp->types[pos] = typ;
+/* Adds opcode to the list of opcodes in irp. */
+void add_irp_opcode(ir_op *opcode)
+{
+ size_t len;
+ size_t code;
+ assert(opcode != NULL);
+ assert(irp);
+ len = ARR_LEN(irp->opcodes);
+ code = opcode->code;
+ if (code >= len) {
+ ARR_RESIZE(ir_op*, irp->opcodes, code+1);
+ memset(&irp->opcodes[len], 0, (code-len+1) * sizeof(irp->opcodes[0]));
+ }
+
+ assert(irp->opcodes[code] == NULL && "opcode registered twice");
+ irp->opcodes[code] = opcode;
+}
+
+/* Removes opcode from the list of opcodes and shrinks the list by one. */
+void remove_irp_opcode(ir_op *opcode)
+{
+ assert(opcode->code < ARR_LEN(irp->opcodes));
+ irp->opcodes[opcode->code] = NULL;
}
-#ifdef DEBUG_libfirm
-int get_irp_new_node_nr() {
- assert(irp);
- irp->max_node_nr = irp->max_node_nr + 1;
- return irp->max_node_nr - 1;
+/* Returns the number of all opcodes in the irp. */
+size_t (get_irp_n_opcodes)(void)
+{
+ return _get_irp_n_opcodes();
+}
+
+/* Returns the opcode at position pos in the irp. */
+ir_op *(get_irp_opcode)(size_t pos)
+{
+ return _get_irp_opcode(pos);
+}
+
+/* Sets the generic function pointer of all opcodes to NULL */
+void clear_irp_opcodes_generic_func(void)
+{
+ size_t i, n;
+
+ for (i = 0, n = get_irp_n_opcodes(); i < n; ++i) {
+ ir_op *op = get_irp_opcode(i);
+ op->ops.generic = (op_func)NULL;
+ }
}
-#endif
/*- File name / executable name or the like -*/
-void set_irp_prog_name(ident *name) {
- irp->name = name;
+void set_irp_prog_name(ident *name)
+{
+ irp->name = name;
}
-int irp_prog_name_is_set(void) {
- return irp->name != new_id_from_str(INITAL_PROG_NAME);
+int irp_prog_name_is_set(void)
+{
+ return irp->name != new_id_from_str(INITAL_PROG_NAME);
}
-ident *get_irp_prog_ident(void) {
- return irp->name;
+ident *get_irp_ident(void)
+{
+ return irp->name;
}
-const char *get_irp_prog_name(void) {
- return get_id_str(irp->name);
+const char *get_irp_name(void)
+{
+ 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;
+}
+
+void set_irp_phase_state(irg_phase_state s)
+{
+ irp->phase_state = s;
+}
+
+typedef struct pass_t {
+ ir_prog_pass_t pass;
+ irg_phase_state state;
+} pass_t;
+
+/**
+ * Wrapper for setting the state of a whole ir_prog.
+ */
+static int set_irp_phase_state_wrapper(ir_prog *irp, void *context)
+{
+ pass_t *pass = (pass_t *)context;
+ irg_phase_state state = pass->state;
+ size_t i, n;
+
+ (void)irp;
+
+ /* set the phase of all graphs */
+ for (i = 0, n = get_irp_n_irgs(); i < n; ++i)
+ set_irg_phase_state(get_irp_irg(i), state);
+
+ /* set the irp phase */
+ set_irp_phase_state(state);
+
+ return 0;
+}
+
+ir_prog_pass_t *set_irp_phase_state_pass(const char *name, irg_phase_state state)
+{
+ struct pass_t *pass = XMALLOCZ(struct pass_t);
+
+ def_prog_pass_constructor(
+ &pass->pass, name ? name : "set_irp_phase", set_irp_phase_state_wrapper);
+ pass->state = state;
+
+ /* no dump/verify */
+ pass->pass.verify_irprog = ir_prog_no_verify;
+ pass->pass.dump_irprog = ir_prog_no_dump;
+
+ return &pass->pass;
}
-irg_outs_state get_irp_ip_outs_state() {
- return irp->outs_state;
+irg_outs_state get_irp_ip_outs_state(void)
+{
+ return irp->outs_state;
}
-void set_irp_ip_outs_inconsistent() {
- irp->outs_state = outs_inconsistent;
+void set_irp_ip_outs_inconsistent(void)
+{
+ irp->outs_state = outs_inconsistent;
}
-void set_irp_ip_outedges(ir_node ** ip_outedges)
+void set_irp_ip_outedges(ir_node ** ip_outedges)
{
- irp->ip_outedges = ip_outedges;
+ irp->ip_outedges = ip_outedges;
}
ir_node** get_irp_ip_outedges(void)
{
- return irp->ip_outedges;
+ return irp->ip_outedges;
+}
+
+irg_callee_info_state get_irp_callee_info_state(void)
+{
+ return irp->callee_info_state;
+}
+
+void set_irp_callee_info_state(irg_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. */
+size_t get_irp_n_asms(void)
+{
+ return ARR_LEN(irp->global_asms);
+}
-irg_callee_info_state get_irp_callee_info_state(void) {
- return irp->callee_info_state;
+/* Return the global asm include at position pos. */
+ident *get_irp_asm(size_t pos)
+{
+ assert(pos < get_irp_n_asms());
+ return irp->global_asms[pos];
}
-void set_irp_callee_info_state(irg_callee_info_state s) {
- irp->callee_info_state = s;
+#ifndef NDEBUG
+void irp_reserve_resources(ir_prog *irp, ir_resources_t resources)
+{
+ assert((resources & ~IR_RESOURCE_GLOBAL_MASK) == 0);
+ 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