X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firprog.c;h=321e7529569353fed1790cc4cc3ba476203136e0;hb=4ef694e7427191d868477ccb429899fe1ae9b2fc;hp=92b93f75174c8fae1fc2eefb72b06f7c1a4e0136;hpb=0b8424d61870271814e24634e50d6bed7a532ea3;p=libfirm diff --git a/ir/ir/irprog.c b/ir/ir/irprog.c index 92b93f751..321e75295 100644 --- a/ir/ir/irprog.c +++ b/ir/ir/irprog.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -22,415 +22,341 @@ * @brief Entry point to the representation of a whole program. * @author Goetz Lindenmaier, Michael Beck * @date 2000 - * @version $Id$ */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif +#include "config.h" -#ifdef HAVE_STRING_H -# include -#endif +#include #include "irprog_t.h" #include "irgraph_t.h" -#include "pseudo_irg.h" +#include "irpass_t.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) +{ + irp = new_irp; +} /** * 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)); +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; +#ifndef NDEBUG + res->reserved_resources = IRP_RESOURCE_NONE; #endif return res; } -/** Completes an incomplete irprog. */ -static ir_prog *complete_ir_prog(ir_prog *irp) { - int i; -#define IDENT(s) new_id_from_chars(s, sizeof(s)-1) - - irp->name = IDENT(INITAL_PROG_NAME); +/** + * Completes an incomplete irprog. + * + * @param irp the (yet incomplete) irp + * @param module_name the (module) name for this irp + */ +static void complete_ir_prog(ir_prog *irp, const char *module_name) +{ +#define IDENT(x) new_id_from_chars(x, sizeof(x) - 1) - irp->segment_types[IR_SEGMENT_GLOBAL] = new_type_class(IDENT("GlobalType")); + 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_struct(IDENT("Constructors")); + = new_type_class(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]); - } + = new_type_class(IDENT("Destructors")); /* 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_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. */ 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_adr_taken_state = ir_address_taken_not_computed; - - return irp; + irp->const_code_irg = new_const_code_irg(); + irp->globals_entity_usage_state = ir_entity_usage_not_computed; #undef IDENT } -/* initializes ir_prog. Constructs only the basic lists. */ -void init_irprog_1(void) { +void init_irprog_1(void) +{ irp = new_incomplete_ir_prog(); } -/* Completes ir_prog. */ -void init_irprog_2(void) { - complete_ir_prog(irp); +void init_irprog_2(void) +{ + 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(void) { - return complete_ir_prog(new_incomplete_ir_prog()); +ir_prog *new_ir_prog(const char *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) { - int i; - for (i = 0; i < IR_SEGMENT_COUNT; ++i) { - free_type(irp->segment_types[i]); - } +void free_ir_prog(void) +{ + 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) { +ir_graph *get_irp_main_irg(void) +{ assert(irp); return irp->main_irg; } -void set_irp_main_irg(ir_graph *main_irg) { +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); +ir_type *(get_segment_type)(ir_segment_t 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; } -ir_type *(get_glob_type)(void) { - return _get_glob_type(); +ir_type *(get_glob_type)(void) +{ + return get_glob_type_(); } -ir_type *(get_tls_type)(void) { - return _get_tls_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) { +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 = 0; +void remove_irp_irg(ir_graph *irg) +{ + size_t i, l; assert(irg); - for (i = 0; i < (ARR_LEN (irp->graphs)); i++) { + l = ARR_LEN(irp->graphs); + for (i = 0; i < l; ++i) { if (irp->graphs[i] == irg) { - found = 1; - for(; i < (ARR_LEN (irp->graphs)) - 1; i++) { + for (; i < l - 1; ++i) { irp->graphs[i] = irp->graphs[i+1]; } - ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1); + ARR_SETLEN(ir_graph*, irp->graphs, l - 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); +size_t (get_irp_n_irgs)(void) +{ + return get_irp_n_irgs_(); } -int (get_irp_n_irgs)(void) { - return _get_irp_n_irgs(); +ir_graph *(get_irp_irg)(size_t pos) +{ + return get_irp_irg_(pos); } -ir_graph *(get_irp_irg)(int 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) { +void add_irp_type(ir_type *typ) +{ assert(typ != NULL); assert(irp); - ARR_APP1 (ir_type *, irp->types, typ); + 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; +void remove_irp_type(ir_type *typ) +{ + 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) { - return _get_irp_n_types(); +size_t (get_irp_n_types) (void) +{ + return get_irp_n_types_(); } -ir_type *(get_irp_type) (int pos) { - return _get_irp_type(pos); +ir_type *(get_irp_type) (size_t 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) { - 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); - 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(); -} - -/* 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; } -int irp_prog_name_is_set(void) { +int irp_prog_name_is_set(void) +{ return irp->name != new_id_from_str(INITAL_PROG_NAME); } -ident *get_irp_prog_ident(void) { +ident *get_irp_ident(void) +{ return irp->name; } -const char *get_irp_prog_name(void) { +const char *get_irp_name(void) +{ return get_id_str(irp->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; -} - -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; +ir_graph *(get_const_code_irg)(void) +{ + return get_const_code_irg_(); } -void set_irp_ip_outedges(ir_node ** ip_outedges) { +void set_irp_ip_outedges(ir_node ** ip_outedges) +{ irp->ip_outedges = ip_outedges; } -ir_node** get_irp_ip_outedges(void) { +ir_node** get_irp_ip_outedges(void) +{ return irp->ip_outedges; } -irg_callee_info_state get_irp_callee_info_state(void) { +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) { +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(); +ir_label_t (get_irp_next_label_nr)(void) +{ + return get_irp_next_label_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) { +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) { - assert(pos <= 0 && pos < get_irp_n_asms()); +ident *get_irp_asm(size_t pos) +{ + assert(pos < get_irp_n_asms()); return irp->global_asms[pos]; } + +#ifndef NDEBUG +void irp_reserve_resources(ir_prog *irp, irp_resources_t resources) +{ + assert((irp->reserved_resources & resources) == 0); + irp->reserved_resources |= resources; +} + +void irp_free_resources(ir_prog *irp, irp_resources_t resources) +{ + assert((irp->reserved_resources & resources) == resources); + irp->reserved_resources &= ~resources; +} + +irp_resources_t irp_resources_reserved(const ir_prog *irp) +{ + return irp->reserved_resources; +} +#endif