* @brief Entry point to the representation of a whole program.
* @author Goetz Lindenmaier, Michael Beck
* @date 2000
- * @version $Id$
*/
#include "config.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->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;
+ 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);
= 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]->flags |= tf_segment|tf_global_type;
+ irp->segment_types[IR_SEGMENT_THREAD_LOCAL]->flags |= tf_segment|tf_tls_type;
+ irp->segment_types[IR_SEGMENT_CONSTRUCTORS]->flags |= tf_segment|tf_constructors;
+ irp->segment_types[IR_SEGMENT_DESTRUCTORS]->flags |= tf_segment|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. */
irp->phase_state = phase_building;
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);
+ 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]);
- }
+ 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->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);
{
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_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)
{
size_t i, l;
}
}
-/* Removes irg from the list or irgs, shrinks the list by one. */
void remove_irp_irg(ir_graph *irg)
{
free_ir_graph(irg);
irp->graphs[pos] = irg;
}
-/* 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)
{
size_t i, l;
irp->types[pos] = typ;
}
-/* Returns the number of all modes in the irp. */
-size_t (get_irp_n_modes)(void)
-{
- return get_irp_n_modes_();
-}
-
-/* Returns the mode at position pos in the irp. */
-ir_mode *(get_irp_mode)(size_t 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)
-{
- 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;
-}
-
-/* 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;
- }
-}
-
-/*- File name / executable name or the like -*/
void set_irp_prog_name(ident *name)
{
irp->name = name;
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);
}
-/* Return the global asm include at position pos. */
ident *get_irp_asm(size_t pos)
{
assert(pos < get_irp_n_asms());