/*
- * 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.
+ * Copyright (C) 2012 University of Karlsruhe.
*/
/**
* @brief Entry point to the representation of a whole program.
* @author Goetz Lindenmaier, Michael Beck
* @date 2000
- * @version $Id$
*/
#include "config.h"
#include "irprog_t.h"
#include "irgraph_t.h"
#include "irpass_t.h"
-#include "pseudo_irg.h"
#include "array.h"
#include "error.h"
#include "obst.h"
#include "irop_t.h"
#include "irmemory.h"
+#include "ircons.h"
/** 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; }
void set_irp(ir_prog *new_irp)
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;
res->max_node_nr = 0;
#ifndef NDEBUG
- res->reserved_resources = 0;
+ res->reserved_resources = IRP_RESOURCE_NONE;
#endif
return res;
* @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)
+static void 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_class(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;
+ irp->segment_types[IR_SEGMENT_GLOBAL] = new_type_segment(IDENT("GlobalType"), tf_global_type);
+ irp->segment_types[IR_SEGMENT_THREAD_LOCAL] = new_type_segment(IDENT("ThreadLocal"), tf_tls_type);
+ irp->segment_types[IR_SEGMENT_CONSTRUCTORS] = new_type_segment(IDENT("Constructors"), tf_constructors);
+ irp->segment_types[IR_SEGMENT_DESTRUCTORS] = new_type_segment(IDENT("Destructors"), 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;
-
- 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);
+ complete_ir_prog(irp, INITAL_PROG_NAME);
+ ir_init_type(irp);
+ ir_init_entity(irp);
}
-/* Create a new ir prog. Automatically called by init_firm through
- init_irprog. */
ir_prog *new_ir_prog(const char *name)
{
- return complete_ir_prog(new_incomplete_ir_prog(), name);
+ ir_prog *irp = new_incomplete_ir_prog();
+ complete_ir_prog(irp, name);
+ return irp;
}
-/* 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]);
- }
+ if (irp == NULL)
+ return;
+
+ size_t i;
+ /* must iterate backwards here */
+ for (i = get_irp_n_irgs(); i > 0;)
+ free_ir_graph(get_irp_irg(--i));
+
+ /* free entities first to avoid entity types being destroyed before
+ * the entities using them */
+ for (i = get_irp_n_types(); i > 0;)
+ free_type_entities(get_irp_type(--i));
+
+ ir_finish_entity(irp);
+
+ for (i = get_irp_n_types(); i > 0;)
+ free_type(get_irp_type(--i));
free_ir_graph(irp->const_code_irg);
+
+ ir_finish_type(irp);
+
DEL_ARR_F(irp->graphs);
- DEL_ARR_F(irp->pseudo_graphs);
DEL_ARR_F(irp->types);
- DEL_ARR_F(irp->modes);
- 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;
+ free(irp);
+ irp = NULL;
}
-/*- 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);
ir_type *(get_segment_type)(ir_segment_t segment)
{
- return _get_segment_type(segment);
+ return get_segment_type_(segment);
}
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);
}
ir_type *(get_glob_type)(void)
{
- return _get_glob_type();
+ return get_glob_type_();
}
ir_type *(get_tls_type)(void)
{
- return _get_tls_type();
+ return get_tls_type_();
}
-/* Adds irg to the list of ir graphs in irp. */
void add_irp_irg(ir_graph *irg)
{
assert(irg != NULL);
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)
+void remove_irp_irg(ir_graph *irg)
{
- int i, l, found = 0;
+ size_t i, l;
assert(irg);
l = ARR_LEN(irp->graphs);
- for (i = 0; i < l; i++) {
+ for (i = 0; i < l; ++i) {
if (irp->graphs[i] == irg) {
- found = 1;
- for (; i < l - 1; i++) {
+ for (; i < l - 1; ++i) {
irp->graphs[i] = irp->graphs[i+1];
}
ARR_SETLEN(ir_graph*, irp->graphs, l - 1);
break;
}
}
- if (!found) {
- l = ARR_LEN(irp->pseudo_graphs);
- for (i = 0; i < l; i++) {
- if (irp->pseudo_graphs[i] == irg) {
- for (; i < l - 1; i++) {
- irp->pseudo_graphs[i] = irp->pseudo_graphs[i+1];
- }
- ARR_SETLEN(ir_graph*, irp->pseudo_graphs, l - 1);
- break;
- }
- }
- }
-}
-
-/* Removes irg from the list or irgs, shrinks the list by one. */
-void remove_irp_irg(ir_graph *irg)
-{
- free_ir_graph(irg);
- remove_irp_irg_from_list(irg);
}
-int (get_irp_n_irgs)(void)
+size_t (get_irp_n_irgs)(void)
{
- return _get_irp_n_irgs();
+ return get_irp_n_irgs_();
}
-ir_graph *(get_irp_irg)(int pos)
+ir_graph *(get_irp_irg)(size_t pos)
{
- return _get_irp_irg(pos);
+ return get_irp_irg_(pos);
}
-int get_irp_last_idx(void)
+size_t get_irp_last_idx(void)
{
return irp->max_irg_idx;
}
-void set_irp_irg(int pos, ir_graph *irg)
+void set_irp_irg(size_t pos, ir_graph *irg)
{
assert(irp && irg);
- assert(pos < (ARR_LEN(irp->graphs)));
+ 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();
-}
-
-/* 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);
- }
-}
-
-/* Adds type to the list of types in irp. */
void add_irp_type(ir_type *typ)
{
assert(typ != NULL);
ARR_APP1(ir_type *, irp->types, typ);
}
-/* Remove type from the list of types in irp. */
void remove_irp_type(ir_type *typ)
{
- int i;
+ size_t i, l;
assert(typ);
- for (i = ARR_LEN(irp->types) - 1; i >= 0; i--) {
+ l = ARR_LEN(irp->types);
+ for (i = 0; i < l; ++i) {
if (irp->types[i] == typ) {
- for (; i < (ARR_LEN(irp->types)) - 1; i++) {
+ for (; i < l - 1; ++i) {
irp->types[i] = irp->types[i+1];
}
- ARR_SETLEN(ir_type *, irp->types, (ARR_LEN(irp->types)) - 1);
+ ARR_SETLEN(ir_type *, irp->types, l - 1);
break;
}
}
}
-int (get_irp_n_types) (void)
+size_t (get_irp_n_types) (void)
{
- return _get_irp_n_types();
+ return get_irp_n_types_();
}
-ir_type *(get_irp_type) (int pos)
+ir_type *(get_irp_type) (size_t pos)
{
- return _get_irp_type(pos);
+ return get_irp_type_(pos);
}
-void set_irp_type(int pos, ir_type *typ)
+void set_irp_type(size_t pos, ir_type *typ)
{
assert(irp && typ);
- assert(pos < (ARR_LEN((irp)->types)));
+ 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();
-}
-
-/* Returns the mode at position pos in the irp. */
-ir_mode *(get_irp_mode)(int 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);
-}
-
-/* Adds opcode to the list of opcodes in irp. */
-void add_irp_opcode(ir_op *opcode)
-{
- int len;
- size_t code;
- assert(opcode != NULL);
- assert(irp);
- len = ARR_LEN(irp->opcodes);
- code = opcode->code;
- if ((int) 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((int) opcode->code < ARR_LEN(irp->opcodes));
- irp->opcodes[opcode->code] = NULL;
-}
-
-/* Returns the number of all opcodes in the irp. */
-int (get_irp_n_opcodes)(void)
-{
- 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);
-}
-
-/* Sets the generic function pointer of all opcodes to NULL */
-void clear_irp_opcodes_generic_func(void)
-{
- 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;
- }
-}
-
-/*- File name / executable name or the like -*/
-void set_irp_prog_name(ident *name)
+void set_irp_prog_name(ident *name)
{
irp->name = name;
}
ir_graph *(get_const_code_irg)(void)
{
- 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;
-}
-
-struct pass_t {
- ir_prog_pass_t pass;
- irg_phase_state state;
-};
-
-/**
- * Wrapper for setting the state of a whole ir_prog.
- */
-static int set_irp_phase_state_wrapper(ir_prog *irp, void *context)
-{
- struct pass_t *pass = context;
- irg_phase_state state = pass->state;
- int i;
-
- (void)irp;
-
- /* set the phase of all graphs */
- for (i = get_irp_n_irgs() - 1; i >= 0; --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(void)
-{
- return irp->outs_state;
-}
-
-void set_irp_ip_outs_inconsistent(void)
-{
- irp->outs_state = outs_inconsistent;
+ return get_const_code_irg_();
}
void set_irp_ip_outedges(ir_node ** ip_outedges)
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();
+ 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)
+size_t 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)
+ident *get_irp_asm(size_t pos)
{
- assert(0 <= pos && pos < get_irp_n_asms());
+ assert(pos < get_irp_n_asms());
return irp->global_asms[pos];
}
#ifndef NDEBUG
-void irp_reserve_resources(ir_prog *irp, ir_resources_t resources)
+void irp_reserve_resources(ir_prog *irp, irp_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)
+void irp_free_resources(ir_prog *irp, irp_resources_t resources)
{
assert((irp->reserved_resources & resources) == resources);
irp->reserved_resources &= ~resources;
}
-ir_resources_t irp_resources_reserved(const ir_prog *irp)
+irp_resources_t irp_resources_reserved(const ir_prog *irp)
{
return irp->reserved_resources;
}
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