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- void lb_add_debug_local_variable(lbProcedure *p, LLVMValueRef ptr, Type *type, Token const &token);
- gb_global ThreadPool lb_thread_pool = {};
- gb_global Entity *lb_global_type_info_data_entity = {};
- gb_global lbAddr lb_global_type_info_member_types = {};
- gb_global lbAddr lb_global_type_info_member_names = {};
- gb_global lbAddr lb_global_type_info_member_offsets = {};
- gb_global lbAddr lb_global_type_info_member_usings = {};
- gb_global lbAddr lb_global_type_info_member_tags = {};
- gb_global isize lb_global_type_info_data_index = 0;
- gb_global isize lb_global_type_info_member_types_index = 0;
- gb_global isize lb_global_type_info_member_names_index = 0;
- gb_global isize lb_global_type_info_member_offsets_index = 0;
- gb_global isize lb_global_type_info_member_usings_index = 0;
- gb_global isize lb_global_type_info_member_tags_index = 0;
- void lb_init_module(lbModule *m, Checker *c) {
- m->info = &c->info;
- gbString module_name = gb_string_make(heap_allocator(), "odin_package");
- if (m->pkg) {
- module_name = gb_string_appendc(module_name, "-");
- module_name = gb_string_append_length(module_name, m->pkg->name.text, m->pkg->name.len);
- } else if (USE_SEPARATE_MODULES) {
- module_name = gb_string_appendc(module_name, "-builtin");
- }
- m->ctx = LLVMContextCreate();
- m->mod = LLVMModuleCreateWithNameInContext(module_name ? module_name : "odin_package", m->ctx);
- // m->debug_builder = nullptr;
- if (build_context.ODIN_DEBUG) {
- enum {DEBUG_METADATA_VERSION = 3};
- LLVMMetadataRef debug_ref = LLVMValueAsMetadata(LLVMConstInt(LLVMInt32TypeInContext(m->ctx), DEBUG_METADATA_VERSION, true));
- LLVMAddModuleFlag(m->mod, LLVMModuleFlagBehaviorWarning, "Debug Info Version", 18, debug_ref);
- switch (build_context.metrics.os) {
- case TargetOs_windows:
- LLVMAddModuleFlag(m->mod,
- LLVMModuleFlagBehaviorWarning,
- "CodeView", 8,
- LLVMValueAsMetadata(LLVMConstInt(LLVMInt32TypeInContext(m->ctx), 1, true)));
- break;
- case TargetOs_darwin:
- // NOTE(bill): Darwin only supports DWARF2 (that I know of)
- LLVMAddModuleFlag(m->mod,
- LLVMModuleFlagBehaviorWarning,
- "Dwarf Version", 13,
- LLVMValueAsMetadata(LLVMConstInt(LLVMInt32TypeInContext(m->ctx), 2, true)));
- break;
- }
- m->debug_builder = LLVMCreateDIBuilder(m->mod);
- }
- gbAllocator a = heap_allocator();
- map_init(&m->types, a);
- map_init(&m->llvm_types, a);
- map_init(&m->values, a);
- map_init(&m->soa_values, a);
- string_map_init(&m->members, a);
- map_init(&m->procedure_values, a);
- string_map_init(&m->procedures, a);
- string_map_init(&m->const_strings, a);
- map_init(&m->anonymous_proc_lits, a);
- map_init(&m->function_type_map, a);
- map_init(&m->equal_procs, a);
- map_init(&m->hasher_procs, a);
- array_init(&m->procedures_to_generate, a, 0, 1024);
- array_init(&m->foreign_library_paths, a, 0, 1024);
- array_init(&m->missing_procedures_to_check, a, 0, 16);
- map_init(&m->debug_values, a);
- array_init(&m->debug_incomplete_types, a, 0, 1024);
- }
- bool lb_init_generator(lbGenerator *gen, Checker *c) {
- if (global_error_collector.count != 0) {
- return false;
- }
- isize tc = c->parser->total_token_count;
- if (tc < 2) {
- return false;
- }
- String init_fullpath = c->parser->init_fullpath;
- if (build_context.out_filepath.len == 0) {
- gen->output_name = remove_directory_from_path(init_fullpath);
- gen->output_name = remove_extension_from_path(gen->output_name);
- gen->output_name = string_trim_whitespace(gen->output_name);
- if (gen->output_name.len == 0) {
- gen->output_name = c->info.init_scope->pkg->name;
- }
- gen->output_base = gen->output_name;
- } else {
- gen->output_name = build_context.out_filepath;
- gen->output_name = string_trim_whitespace(gen->output_name);
- if (gen->output_name.len == 0) {
- gen->output_name = c->info.init_scope->pkg->name;
- }
- isize pos = string_extension_position(gen->output_name);
- if (pos < 0) {
- gen->output_base = gen->output_name;
- } else {
- gen->output_base = substring(gen->output_name, 0, pos);
- }
- }
- gbAllocator ha = heap_allocator();
- array_init(&gen->output_object_paths, ha);
- array_init(&gen->output_temp_paths, ha);
- gen->output_base = path_to_full_path(ha, gen->output_base);
- gbString output_file_path = gb_string_make_length(ha, gen->output_base.text, gen->output_base.len);
- output_file_path = gb_string_appendc(output_file_path, ".obj");
- defer (gb_string_free(output_file_path));
- gen->info = &c->info;
- map_init(&gen->modules, permanent_allocator(), gen->info->packages.entries.count*2);
- map_init(&gen->modules_through_ctx, permanent_allocator(), gen->info->packages.entries.count*2);
- map_init(&gen->anonymous_proc_lits, heap_allocator(), 1024);
- gb_mutex_init(&gen->mutex);
- if (USE_SEPARATE_MODULES) {
- for_array(i, gen->info->packages.entries) {
- AstPackage *pkg = gen->info->packages.entries[i].value;
- auto m = gb_alloc_item(permanent_allocator(), lbModule);
- m->pkg = pkg;
- m->gen = gen;
- map_set(&gen->modules, hash_pointer(pkg), m);
- lb_init_module(m, c);
- }
- }
- gen->default_module.gen = gen;
- map_set(&gen->modules, hash_pointer(nullptr), &gen->default_module);
- lb_init_module(&gen->default_module, c);
- for_array(i, gen->modules.entries) {
- lbModule *m = gen->modules.entries[i].value;
- LLVMContextRef ctx = LLVMGetModuleContext(m->mod);
- map_set(&gen->modules_through_ctx, hash_pointer(ctx), m);
- }
- return true;
- }
- lbValue lb_global_type_info_data_ptr(lbModule *m) {
- lbValue v = lb_find_value_from_entity(m, lb_global_type_info_data_entity);
- return v;
- }
- struct lbLoopData {
- lbAddr idx_addr;
- lbValue idx;
- lbBlock *body;
- lbBlock *done;
- lbBlock *loop;
- };
- struct lbCompoundLitElemTempData {
- Ast * expr;
- lbValue value;
- i32 elem_index;
- lbValue gep;
- };
- lbLoopData lb_loop_start(lbProcedure *p, isize count, Type *index_type=t_i32) {
- lbLoopData data = {};
- lbValue max = lb_const_int(p->module, t_int, count);
- data.idx_addr = lb_add_local_generated(p, index_type, true);
- data.body = lb_create_block(p, "loop.body");
- data.done = lb_create_block(p, "loop.done");
- data.loop = lb_create_block(p, "loop.loop");
- lb_emit_jump(p, data.loop);
- lb_start_block(p, data.loop);
- data.idx = lb_addr_load(p, data.idx_addr);
- lbValue cond = lb_emit_comp(p, Token_Lt, data.idx, max);
- lb_emit_if(p, cond, data.body, data.done);
- lb_start_block(p, data.body);
- return data;
- }
- void lb_loop_end(lbProcedure *p, lbLoopData const &data) {
- if (data.idx_addr.addr.value != nullptr) {
- lb_emit_increment(p, data.idx_addr.addr);
- lb_emit_jump(p, data.loop);
- lb_start_block(p, data.done);
- }
- }
- LLVMValueRef llvm_zero(lbModule *m) {
- return LLVMConstInt(lb_type(m, t_int), 0, false);
- }
- LLVMValueRef llvm_zero32(lbModule *m) {
- return LLVMConstInt(lb_type(m, t_i32), 0, false);
- }
- LLVMValueRef llvm_one(lbModule *m) {
- return LLVMConstInt(lb_type(m, t_i32), 1, false);
- }
- lbValue lb_zero(lbModule *m, Type *t) {
- lbValue v = {};
- v.value = LLVMConstInt(lb_type(m, t), 0, false);
- v.type = t;
- return v;
- }
- LLVMValueRef llvm_cstring(lbModule *m, String const &str) {
- lbValue v = lb_find_or_add_entity_string(m, str);
- unsigned indices[1] = {0};
- return LLVMConstExtractValue(v.value, indices, gb_count_of(indices));
- }
- bool lb_is_instr_terminating(LLVMValueRef instr) {
- if (instr != nullptr) {
- LLVMOpcode op = LLVMGetInstructionOpcode(instr);
- switch (op) {
- case LLVMRet:
- case LLVMBr:
- case LLVMSwitch:
- case LLVMIndirectBr:
- case LLVMInvoke:
- case LLVMUnreachable:
- case LLVMCallBr:
- return true;
- }
- }
- return false;
- }
- lbModule *lb_pkg_module(lbGenerator *gen, AstPackage *pkg) {
- auto *found = map_get(&gen->modules, hash_pointer(pkg));
- if (found) {
- return *found;
- }
- return &gen->default_module;
- }
- lbAddr lb_addr(lbValue addr) {
- lbAddr v = {lbAddr_Default, addr};
- if (addr.type != nullptr && is_type_relative_pointer(type_deref(addr.type))) {
- GB_ASSERT(is_type_pointer(addr.type));
- v.kind = lbAddr_RelativePointer;
- } else if (addr.type != nullptr && is_type_relative_slice(type_deref(addr.type))) {
- GB_ASSERT(is_type_pointer(addr.type));
- v.kind = lbAddr_RelativeSlice;
- }
- return v;
- }
- lbAddr lb_addr_map(lbValue addr, lbValue map_key, Type *map_type, Type *map_result) {
- lbAddr v = {lbAddr_Map, addr};
- v.map.key = map_key;
- v.map.type = map_type;
- v.map.result = map_result;
- return v;
- }
- lbAddr lb_addr_soa_variable(lbValue addr, lbValue index, Ast *index_expr) {
- lbAddr v = {lbAddr_SoaVariable, addr};
- v.soa.index = index;
- v.soa.index_expr = index_expr;
- return v;
- }
- lbAddr lb_addr_swizzle(lbValue addr, Type *array_type, u8 swizzle_count, u8 swizzle_indices[4]) {
- GB_ASSERT(is_type_array(array_type));
- GB_ASSERT(1 < swizzle_count && swizzle_count <= 4);
- lbAddr v = {lbAddr_Swizzle, addr};
- v.swizzle.type = array_type;
- v.swizzle.count = swizzle_count;
- gb_memmove(v.swizzle.indices, swizzle_indices, swizzle_count);
- return v;
- }
- lbAddr lb_addr_swizzle_large(lbValue addr, Type *array_type, Slice<i32> const &swizzle_indices) {
- GB_ASSERT_MSG(is_type_array(array_type), "%s", type_to_string(array_type));
- lbAddr v = {lbAddr_SwizzleLarge, addr};
- v.swizzle_large.type = array_type;
- v.swizzle_large.indices = swizzle_indices;
- return v;
- }
- Type *lb_addr_type(lbAddr const &addr) {
- if (addr.addr.value == nullptr) {
- return nullptr;
- }
- if (addr.kind == lbAddr_Map) {
- Type *t = base_type(addr.map.type);
- GB_ASSERT(is_type_map(t));
- return t->Map.value;
- }
- if (addr.kind == lbAddr_Swizzle) {
- return addr.swizzle.type;
- }
- if (addr.kind == lbAddr_SwizzleLarge) {
- return addr.swizzle_large.type;
- }
- return type_deref(addr.addr.type);
- }
- LLVMTypeRef lb_addr_lb_type(lbAddr const &addr) {
- return LLVMGetElementType(LLVMTypeOf(addr.addr.value));
- }
- lbValue lb_addr_get_ptr(lbProcedure *p, lbAddr const &addr) {
- if (addr.addr.value == nullptr) {
- GB_PANIC("Illegal addr -> nullptr");
- return {};
- }
- switch (addr.kind) {
- case lbAddr_Map: {
- Type *map_type = base_type(addr.map.type);
- lbValue h = lb_gen_map_header(p, addr.addr, map_type);
- lbValue key = lb_gen_map_hash(p, addr.map.key, map_type->Map.key);
- auto args = array_make<lbValue>(permanent_allocator(), 2);
- args[0] = h;
- args[1] = key;
- lbValue ptr = lb_emit_runtime_call(p, "__dynamic_map_get", args);
- return lb_emit_conv(p, ptr, alloc_type_pointer(map_type->Map.value));
- }
- case lbAddr_RelativePointer: {
- Type *rel_ptr = base_type(lb_addr_type(addr));
- GB_ASSERT(rel_ptr->kind == Type_RelativePointer);
- lbValue ptr = lb_emit_conv(p, addr.addr, t_uintptr);
- lbValue offset = lb_emit_conv(p, ptr, alloc_type_pointer(rel_ptr->RelativePointer.base_integer));
- offset = lb_emit_load(p, offset);
- if (!is_type_unsigned(rel_ptr->RelativePointer.base_integer)) {
- offset = lb_emit_conv(p, offset, t_i64);
- }
- offset = lb_emit_conv(p, offset, t_uintptr);
- lbValue absolute_ptr = lb_emit_arith(p, Token_Add, ptr, offset, t_uintptr);
- absolute_ptr = lb_emit_conv(p, absolute_ptr, rel_ptr->RelativePointer.pointer_type);
- lbValue cond = lb_emit_comp(p, Token_CmpEq, offset, lb_const_nil(p->module, rel_ptr->RelativePointer.base_integer));
- // NOTE(bill): nil check
- lbValue nil_ptr = lb_const_nil(p->module, rel_ptr->RelativePointer.pointer_type);
- lbValue final_ptr = lb_emit_select(p, cond, nil_ptr, absolute_ptr);
- return final_ptr;
- }
- case lbAddr_SoaVariable:
- // TODO(bill): FIX THIS HACK
- return lb_address_from_load(p, lb_addr_load(p, addr));
- case lbAddr_Context:
- GB_PANIC("lbAddr_Context should be handled elsewhere");
- break;
- case lbAddr_Swizzle:
- case lbAddr_SwizzleLarge:
- // TOOD(bill): is this good enough logic?
- break;
- }
- return addr.addr;
- }
- lbValue lb_build_addr_ptr(lbProcedure *p, Ast *expr) {
- lbAddr addr = lb_build_addr(p, expr);
- return lb_addr_get_ptr(p, addr);
- }
- void lb_emit_bounds_check(lbProcedure *p, Token token, lbValue index, lbValue len) {
- if (build_context.no_bounds_check) {
- return;
- }
- if ((p->state_flags & StateFlag_no_bounds_check) != 0) {
- return;
- }
- index = lb_emit_conv(p, index, t_int);
- len = lb_emit_conv(p, len, t_int);
- lbValue file = lb_find_or_add_entity_string(p->module, get_file_path_string(token.pos.file_id));
- lbValue line = lb_const_int(p->module, t_i32, token.pos.line);
- lbValue column = lb_const_int(p->module, t_i32, token.pos.column);
- auto args = array_make<lbValue>(permanent_allocator(), 5);
- args[0] = file;
- args[1] = line;
- args[2] = column;
- args[3] = index;
- args[4] = len;
- lb_emit_runtime_call(p, "bounds_check_error", args);
- }
- void lb_emit_slice_bounds_check(lbProcedure *p, Token token, lbValue low, lbValue high, lbValue len, bool lower_value_used) {
- if (build_context.no_bounds_check) {
- return;
- }
- if ((p->state_flags & StateFlag_no_bounds_check) != 0) {
- return;
- }
- lbValue file = lb_find_or_add_entity_string(p->module, get_file_path_string(token.pos.file_id));
- lbValue line = lb_const_int(p->module, t_i32, token.pos.line);
- lbValue column = lb_const_int(p->module, t_i32, token.pos.column);
- high = lb_emit_conv(p, high, t_int);
- if (!lower_value_used) {
- auto args = array_make<lbValue>(permanent_allocator(), 5);
- args[0] = file;
- args[1] = line;
- args[2] = column;
- args[3] = high;
- args[4] = len;
- lb_emit_runtime_call(p, "slice_expr_error_hi", args);
- } else {
- // No need to convert unless used
- low = lb_emit_conv(p, low, t_int);
- auto args = array_make<lbValue>(permanent_allocator(), 6);
- args[0] = file;
- args[1] = line;
- args[2] = column;
- args[3] = low;
- args[4] = high;
- args[5] = len;
- lb_emit_runtime_call(p, "slice_expr_error_lo_hi", args);
- }
- }
- bool lb_try_update_alignment(lbValue ptr, unsigned alignment) {
- LLVMValueRef addr_ptr = ptr.value;
- if (LLVMIsAGlobalValue(addr_ptr) || LLVMIsAAllocaInst(addr_ptr) || LLVMIsALoadInst(addr_ptr)) {
- if (LLVMGetAlignment(addr_ptr) < alignment) {
- if (LLVMIsAAllocaInst(addr_ptr) || LLVMIsAGlobalValue(addr_ptr)) {
- LLVMSetAlignment(addr_ptr, alignment);
- }
- }
- return LLVMGetAlignment(addr_ptr) >= alignment;
- }
- return false;
- }
- bool lb_try_vector_cast(lbModule *m, lbValue ptr, LLVMTypeRef *vector_type_) {
- Type *array_type = base_type(type_deref(ptr.type));
- GB_ASSERT(is_type_array_like(array_type));
- i64 count = get_array_type_count(array_type);
- Type *elem_type = base_array_type(array_type);
- // TODO(bill): Determine what is the correct limit for doing vector arithmetic
- if (type_size_of(array_type) <= build_context.max_align &&
- is_type_valid_vector_elem(elem_type)) {
- // Try to treat it like a vector if possible
- bool possible = false;
- LLVMTypeRef vector_type = LLVMVectorType(lb_type(m, elem_type), cast(unsigned)count);
- unsigned vector_alignment = cast(unsigned)lb_alignof(vector_type);
- LLVMValueRef addr_ptr = ptr.value;
- if (LLVMIsAAllocaInst(addr_ptr) || LLVMIsAGlobalValue(addr_ptr)) {
- unsigned alignment = LLVMGetAlignment(addr_ptr);
- alignment = gb_max(alignment, vector_alignment);
- possible = true;
- LLVMSetAlignment(addr_ptr, alignment);
- } else if (LLVMIsALoadInst(addr_ptr)) {
- unsigned alignment = LLVMGetAlignment(addr_ptr);
- possible = alignment >= vector_alignment;
- }
- // NOTE: Due to alignment requirements, if the pointer is not correctly aligned
- // then it cannot be treated as a vector
- if (possible) {
- if (vector_type_) *vector_type_ =vector_type;
- return true;
- }
- }
- return false;
- }
- void lb_addr_store(lbProcedure *p, lbAddr addr, lbValue value) {
- if (addr.addr.value == nullptr) {
- return;
- }
- GB_ASSERT(value.type != nullptr);
- if (is_type_untyped_undef(value.type)) {
- Type *t = lb_addr_type(addr);
- value.type = t;
- value.value = LLVMGetUndef(lb_type(p->module, t));
- } else if (is_type_untyped_nil(value.type)) {
- Type *t = lb_addr_type(addr);
- value.type = t;
- value.value = LLVMConstNull(lb_type(p->module, t));
- }
- if (addr.kind == lbAddr_RelativePointer && addr.relative.deref) {
- addr = lb_addr(lb_address_from_load(p, lb_addr_load(p, addr)));
- }
- if (addr.kind == lbAddr_RelativePointer) {
- Type *rel_ptr = base_type(lb_addr_type(addr));
- GB_ASSERT(rel_ptr->kind == Type_RelativePointer);
- value = lb_emit_conv(p, value, rel_ptr->RelativePointer.pointer_type);
- GB_ASSERT(is_type_pointer(addr.addr.type));
- lbValue ptr = lb_emit_conv(p, addr.addr, t_uintptr);
- lbValue val_ptr = lb_emit_conv(p, value, t_uintptr);
- lbValue offset = {};
- offset.value = LLVMBuildSub(p->builder, val_ptr.value, ptr.value, "");
- offset.type = t_uintptr;
- if (!is_type_unsigned(rel_ptr->RelativePointer.base_integer)) {
- offset = lb_emit_conv(p, offset, t_i64);
- }
- offset = lb_emit_conv(p, offset, rel_ptr->RelativePointer.base_integer);
- lbValue offset_ptr = lb_emit_conv(p, addr.addr, alloc_type_pointer(rel_ptr->RelativePointer.base_integer));
- offset = lb_emit_select(p,
- lb_emit_comp(p, Token_CmpEq, val_ptr, lb_const_nil(p->module, t_uintptr)),
- lb_const_nil(p->module, rel_ptr->RelativePointer.base_integer),
- offset
- );
- LLVMBuildStore(p->builder, offset.value, offset_ptr.value);
- return;
- } else if (addr.kind == lbAddr_RelativeSlice) {
- Type *rel_ptr = base_type(lb_addr_type(addr));
- GB_ASSERT(rel_ptr->kind == Type_RelativeSlice);
- value = lb_emit_conv(p, value, rel_ptr->RelativeSlice.slice_type);
- GB_ASSERT(is_type_pointer(addr.addr.type));
- lbValue ptr = lb_emit_conv(p, lb_emit_struct_ep(p, addr.addr, 0), t_uintptr);
- lbValue val_ptr = lb_emit_conv(p, lb_slice_elem(p, value), t_uintptr);
- lbValue offset = {};
- offset.value = LLVMBuildSub(p->builder, val_ptr.value, ptr.value, "");
- offset.type = t_uintptr;
- if (!is_type_unsigned(rel_ptr->RelativePointer.base_integer)) {
- offset = lb_emit_conv(p, offset, t_i64);
- }
- offset = lb_emit_conv(p, offset, rel_ptr->RelativePointer.base_integer);
- lbValue offset_ptr = lb_emit_conv(p, addr.addr, alloc_type_pointer(rel_ptr->RelativePointer.base_integer));
- offset = lb_emit_select(p,
- lb_emit_comp(p, Token_CmpEq, val_ptr, lb_const_nil(p->module, t_uintptr)),
- lb_const_nil(p->module, rel_ptr->RelativePointer.base_integer),
- offset
- );
- LLVMBuildStore(p->builder, offset.value, offset_ptr.value);
- lbValue len = lb_slice_len(p, value);
- len = lb_emit_conv(p, len, rel_ptr->RelativePointer.base_integer);
- lbValue len_ptr = lb_emit_struct_ep(p, addr.addr, 1);
- LLVMBuildStore(p->builder, len.value, len_ptr.value);
- return;
- } else if (addr.kind == lbAddr_Map) {
- lb_insert_dynamic_map_key_and_value(p, addr, addr.map.type, addr.map.key, value, p->curr_stmt);
- return;
- } else if (addr.kind == lbAddr_Context) {
- lbAddr old_addr = lb_find_or_generate_context_ptr(p);
- // IMPORTANT NOTE(bill, 2021-04-22): reuse unused 'context' variables to minimize stack usage
- // This has to be done manually since the optimizer cannot determine when this is possible
- bool create_new = true;
- for_array(i, p->context_stack) {
- lbContextData *ctx_data = &p->context_stack[i];
- if (ctx_data->ctx.addr.value == old_addr.addr.value) {
- if (ctx_data->uses > 0) {
- create_new = true;
- } else if (p->scope_index > ctx_data->scope_index) {
- create_new = true;
- } else {
- // gb_printf_err("%.*s (curr:%td) (ctx:%td) (uses:%td)\n", LIT(p->name), p->scope_index, ctx_data->scope_index, ctx_data->uses);
- create_new = false;
- }
- break;
- }
- }
- lbValue next = {};
- if (create_new) {
- lbValue old = lb_addr_load(p, old_addr);
- lbAddr next_addr = lb_add_local_generated(p, t_context, true);
- lb_addr_store(p, next_addr, old);
- lb_push_context_onto_stack(p, next_addr);
- next = next_addr.addr;
- } else {
- next = old_addr.addr;
- }
- if (addr.ctx.sel.index.count > 0) {
- lbValue lhs = lb_emit_deep_field_gep(p, next, addr.ctx.sel);
- lbValue rhs = lb_emit_conv(p, value, type_deref(lhs.type));
- lb_emit_store(p, lhs, rhs);
- } else {
- lbValue lhs = next;
- lbValue rhs = lb_emit_conv(p, value, lb_addr_type(addr));
- lb_emit_store(p, lhs, rhs);
- }
- return;
- } else if (addr.kind == lbAddr_SoaVariable) {
- Type *t = type_deref(addr.addr.type);
- t = base_type(t);
- GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
- Type *elem_type = t->Struct.soa_elem;
- value = lb_emit_conv(p, value, elem_type);
- elem_type = base_type(elem_type);
- lbValue index = addr.soa.index;
- if (!lb_is_const(index) || t->Struct.soa_kind != StructSoa_Fixed) {
- Type *t = base_type(type_deref(addr.addr.type));
- GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
- lbValue len = lb_soa_struct_len(p, addr.addr);
- if (addr.soa.index_expr != nullptr) {
- lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), index, len);
- }
- }
- isize field_count = 0;
- switch (elem_type->kind) {
- case Type_Struct:
- field_count = elem_type->Struct.fields.count;
- break;
- case Type_Array:
- field_count = cast(isize)elem_type->Array.count;
- break;
- }
- for (isize i = 0; i < field_count; i++) {
- lbValue dst = lb_emit_struct_ep(p, addr.addr, cast(i32)i);
- lbValue src = lb_emit_struct_ev(p, value, cast(i32)i);
- if (t->Struct.soa_kind == StructSoa_Fixed) {
- dst = lb_emit_array_ep(p, dst, index);
- lb_emit_store(p, dst, src);
- } else {
- lbValue field = lb_emit_load(p, dst);
- dst = lb_emit_ptr_offset(p, field, index);
- lb_emit_store(p, dst, src);
- }
- }
- return;
- } else if (addr.kind == lbAddr_Swizzle) {
- GB_ASSERT(addr.swizzle.count <= 4);
- GB_ASSERT(value.value != nullptr);
- value = lb_emit_conv(p, value, lb_addr_type(addr));
- lbValue dst = lb_addr_get_ptr(p, addr);
- lbValue src = lb_address_from_load_or_generate_local(p, value);
- {
- lbValue src_ptrs[4] = {};
- lbValue src_loads[4] = {};
- lbValue dst_ptrs[4] = {};
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- src_ptrs[i] = lb_emit_array_epi(p, src, i);
- }
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- dst_ptrs[i] = lb_emit_array_epi(p, dst, addr.swizzle.indices[i]);
- }
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- src_loads[i] = lb_emit_load(p, src_ptrs[i]);
- }
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- lb_emit_store(p, dst_ptrs[i], src_loads[i]);
- }
- }
- return;
- } else if (addr.kind == lbAddr_SwizzleLarge) {
- GB_ASSERT(value.value != nullptr);
- value = lb_emit_conv(p, value, lb_addr_type(addr));
- lbValue dst = lb_addr_get_ptr(p, addr);
- lbValue src = lb_address_from_load_or_generate_local(p, value);
- for_array(i, addr.swizzle_large.indices) {
- lbValue src_ptr = lb_emit_array_epi(p, src, i);
- lbValue dst_ptr = lb_emit_array_epi(p, dst, addr.swizzle_large.indices[i]);
- lbValue src_load = lb_emit_load(p, src_ptr);
- lb_emit_store(p, dst_ptr, src_load);
- }
- return;
- }
- GB_ASSERT(value.value != nullptr);
- value = lb_emit_conv(p, value, lb_addr_type(addr));
- // if (lb_is_const_or_global(value)) {
- // // NOTE(bill): Just bypass the actual storage and set the initializer
- // if (LLVMGetValueKind(addr.addr.value) == LLVMGlobalVariableValueKind) {
- // LLVMValueRef dst = addr.addr.value;
- // LLVMValueRef src = value.value;
- // LLVMSetInitializer(dst, src);
- // return;
- // }
- // }
- lb_emit_store(p, addr.addr, value);
- }
- void lb_const_store(lbValue ptr, lbValue value) {
- GB_ASSERT(lb_is_const(ptr));
- GB_ASSERT(lb_is_const(value));
- GB_ASSERT(is_type_pointer(ptr.type));
- LLVMSetInitializer(ptr.value, value.value);
- }
- bool lb_is_type_proc_recursive(Type *t) {
- for (;;) {
- if (t == nullptr) {
- return false;
- }
- switch (t->kind) {
- case Type_Named:
- t = t->Named.base;
- break;
- case Type_Pointer:
- t = t->Pointer.elem;
- break;
- case Type_Array:
- t = t->Array.elem;
- break;
- case Type_EnumeratedArray:
- t = t->EnumeratedArray.elem;
- break;
- case Type_Slice:
- t = t->Slice.elem;
- break;
- case Type_DynamicArray:
- t = t->DynamicArray.elem;
- break;
- case Type_Proc:
- return true;
- default:
- return false;
- }
- }
- }
- void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
- GB_ASSERT(value.value != nullptr);
- Type *a = type_deref(ptr.type);
- if (is_type_boolean(a)) {
- // NOTE(bill): There are multiple sized booleans, thus force a conversion (if necessarily)
- value = lb_emit_conv(p, value, a);
- }
- Type *ca = core_type(a);
- if (ca->kind == Type_Basic) {
- GB_ASSERT_MSG(are_types_identical(ca, core_type(value.type)), "%s != %s", type_to_string(a), type_to_string(value.type));
- }
- if (lb_is_type_proc_recursive(a)) {
- // NOTE(bill, 2020-11-11): Because of certain LLVM rules, a procedure value may be
- // stored as regular pointer with no procedure information
- LLVMTypeRef src_t = LLVMGetElementType(LLVMTypeOf(ptr.value));
- LLVMValueRef v = LLVMBuildPointerCast(p->builder, value.value, src_t, "");
- LLVMBuildStore(p->builder, v, ptr.value);
- } else {
- Type *ca = core_type(a);
- if (ca->kind == Type_Basic || ca->kind == Type_Proc) {
- GB_ASSERT_MSG(are_types_identical(ca, core_type(value.type)), "%s != %s", type_to_string(a), type_to_string(value.type));
- } else {
- GB_ASSERT_MSG(are_types_identical(a, value.type), "%s != %s", type_to_string(a), type_to_string(value.type));
- }
- LLVMBuildStore(p->builder, value.value, ptr.value);
- }
- }
- LLVMTypeRef llvm_addr_type(lbValue addr_val) {
- return LLVMGetElementType(LLVMTypeOf(addr_val.value));
- }
- lbValue lb_emit_load(lbProcedure *p, lbValue value) {
- lbModule *m = p->module;
- GB_ASSERT(value.value != nullptr);
- GB_ASSERT(is_type_pointer(value.type));
- Type *t = type_deref(value.type);
- LLVMValueRef v = LLVMBuildLoad2(p->builder, llvm_addr_type(value), value.value, "");
- return lbValue{v, t};
- }
- lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr) {
- GB_ASSERT(addr.addr.value != nullptr);
- if (addr.kind == lbAddr_RelativePointer) {
- Type *rel_ptr = base_type(lb_addr_type(addr));
- GB_ASSERT(rel_ptr->kind == Type_RelativePointer);
- lbValue ptr = lb_emit_conv(p, addr.addr, t_uintptr);
- lbValue offset = lb_emit_conv(p, ptr, alloc_type_pointer(rel_ptr->RelativePointer.base_integer));
- offset = lb_emit_load(p, offset);
- if (!is_type_unsigned(rel_ptr->RelativePointer.base_integer)) {
- offset = lb_emit_conv(p, offset, t_i64);
- }
- offset = lb_emit_conv(p, offset, t_uintptr);
- lbValue absolute_ptr = lb_emit_arith(p, Token_Add, ptr, offset, t_uintptr);
- absolute_ptr = lb_emit_conv(p, absolute_ptr, rel_ptr->RelativePointer.pointer_type);
- lbValue cond = lb_emit_comp(p, Token_CmpEq, offset, lb_const_nil(p->module, rel_ptr->RelativePointer.base_integer));
- // NOTE(bill): nil check
- lbValue nil_ptr = lb_const_nil(p->module, rel_ptr->RelativePointer.pointer_type);
- lbValue final_ptr = {};
- final_ptr.type = absolute_ptr.type;
- final_ptr.value = LLVMBuildSelect(p->builder, cond.value, nil_ptr.value, absolute_ptr.value, "");
- return lb_emit_load(p, final_ptr);
- } else if (addr.kind == lbAddr_RelativeSlice) {
- Type *rel_ptr = base_type(lb_addr_type(addr));
- GB_ASSERT(rel_ptr->kind == Type_RelativeSlice);
- lbValue offset_ptr = lb_emit_struct_ep(p, addr.addr, 0);
- lbValue ptr = lb_emit_conv(p, offset_ptr, t_uintptr);
- lbValue offset = lb_emit_load(p, offset_ptr);
- if (!is_type_unsigned(rel_ptr->RelativeSlice.base_integer)) {
- offset = lb_emit_conv(p, offset, t_i64);
- }
- offset = lb_emit_conv(p, offset, t_uintptr);
- lbValue absolute_ptr = lb_emit_arith(p, Token_Add, ptr, offset, t_uintptr);
- Type *slice_type = base_type(rel_ptr->RelativeSlice.slice_type);
- GB_ASSERT(rel_ptr->RelativeSlice.slice_type->kind == Type_Slice);
- Type *slice_elem = slice_type->Slice.elem;
- Type *slice_elem_ptr = alloc_type_pointer(slice_elem);
- absolute_ptr = lb_emit_conv(p, absolute_ptr, slice_elem_ptr);
- lbValue cond = lb_emit_comp(p, Token_CmpEq, offset, lb_const_nil(p->module, rel_ptr->RelativeSlice.base_integer));
- // NOTE(bill): nil check
- lbValue nil_ptr = lb_const_nil(p->module, slice_elem_ptr);
- lbValue data = {};
- data.type = absolute_ptr.type;
- data.value = LLVMBuildSelect(p->builder, cond.value, nil_ptr.value, absolute_ptr.value, "");
- lbValue len = lb_emit_load(p, lb_emit_struct_ep(p, addr.addr, 1));
- len = lb_emit_conv(p, len, t_int);
- lbAddr slice = lb_add_local_generated(p, slice_type, false);
- lb_fill_slice(p, slice, data, len);
- return lb_addr_load(p, slice);
- } else if (addr.kind == lbAddr_Map) {
- Type *map_type = base_type(addr.map.type);
- lbAddr v = lb_add_local_generated(p, map_type->Map.lookup_result_type, true);
- lbValue h = lb_gen_map_header(p, addr.addr, map_type);
- lbValue key = lb_gen_map_hash(p, addr.map.key, map_type->Map.key);
- auto args = array_make<lbValue>(permanent_allocator(), 2);
- args[0] = h;
- args[1] = key;
- lbValue ptr = lb_emit_runtime_call(p, "__dynamic_map_get", args);
- lbValue ok = lb_emit_conv(p, lb_emit_comp_against_nil(p, Token_NotEq, ptr), t_bool);
- lb_emit_store(p, lb_emit_struct_ep(p, v.addr, 1), ok);
- lbBlock *then = lb_create_block(p, "map.get.then");
- lbBlock *done = lb_create_block(p, "map.get.done");
- lb_emit_if(p, ok, then, done);
- lb_start_block(p, then);
- {
- // TODO(bill): mem copy it instead?
- lbValue gep0 = lb_emit_struct_ep(p, v.addr, 0);
- lbValue value = lb_emit_conv(p, ptr, gep0.type);
- lb_emit_store(p, gep0, lb_emit_load(p, value));
- }
- lb_emit_jump(p, done);
- lb_start_block(p, done);
- if (is_type_tuple(addr.map.result)) {
- return lb_addr_load(p, v);
- } else {
- lbValue single = lb_emit_struct_ep(p, v.addr, 0);
- return lb_emit_load(p, single);
- }
- } else if (addr.kind == lbAddr_Context) {
- lbValue a = addr.addr;
- for_array(i, p->context_stack) {
- lbContextData *ctx_data = &p->context_stack[i];
- if (ctx_data->ctx.addr.value == a.value) {
- ctx_data->uses += 1;
- break;
- }
- }
- a.value = LLVMBuildPointerCast(p->builder, a.value, lb_type(p->module, t_context_ptr), "");
- if (addr.ctx.sel.index.count > 0) {
- lbValue b = lb_emit_deep_field_gep(p, a, addr.ctx.sel);
- return lb_emit_load(p, b);
- } else {
- return lb_emit_load(p, a);
- }
- } else if (addr.kind == lbAddr_SoaVariable) {
- Type *t = type_deref(addr.addr.type);
- t = base_type(t);
- GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
- Type *elem = t->Struct.soa_elem;
- lbValue len = {};
- if (t->Struct.soa_kind == StructSoa_Fixed) {
- len = lb_const_int(p->module, t_int, t->Struct.soa_count);
- } else {
- lbValue v = lb_emit_load(p, addr.addr);
- len = lb_soa_struct_len(p, v);
- }
- lbAddr res = lb_add_local_generated(p, elem, true);
- if (addr.soa.index_expr != nullptr && (!lb_is_const(addr.soa.index) || t->Struct.soa_kind != StructSoa_Fixed)) {
- lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), addr.soa.index, len);
- }
- if (t->Struct.soa_kind == StructSoa_Fixed) {
- for_array(i, t->Struct.fields) {
- Entity *field = t->Struct.fields[i];
- Type *base_type = field->type;
- GB_ASSERT(base_type->kind == Type_Array);
- lbValue dst = lb_emit_struct_ep(p, res.addr, cast(i32)i);
- lbValue src_ptr = lb_emit_struct_ep(p, addr.addr, cast(i32)i);
- src_ptr = lb_emit_array_ep(p, src_ptr, addr.soa.index);
- lbValue src = lb_emit_load(p, src_ptr);
- lb_emit_store(p, dst, src);
- }
- } else {
- isize field_count = t->Struct.fields.count;
- if (t->Struct.soa_kind == StructSoa_Slice) {
- field_count -= 1;
- } else if (t->Struct.soa_kind == StructSoa_Dynamic) {
- field_count -= 3;
- }
- for (isize i = 0; i < field_count; i++) {
- Entity *field = t->Struct.fields[i];
- Type *base_type = field->type;
- GB_ASSERT(base_type->kind == Type_Pointer);
- Type *elem = base_type->Pointer.elem;
- lbValue dst = lb_emit_struct_ep(p, res.addr, cast(i32)i);
- lbValue src_ptr = lb_emit_struct_ep(p, addr.addr, cast(i32)i);
- lbValue src = lb_emit_load(p, src_ptr);
- src = lb_emit_ptr_offset(p, src, addr.soa.index);
- src = lb_emit_load(p, src);
- lb_emit_store(p, dst, src);
- }
- }
- return lb_addr_load(p, res);
- } else if (addr.kind == lbAddr_Swizzle) {
- Type *array_type = base_type(addr.swizzle.type);
- GB_ASSERT(array_type->kind == Type_Array);
- unsigned res_align = cast(unsigned)type_align_of(addr.swizzle.type);
- static u8 const ordered_indices[4] = {0, 1, 2, 3};
- if (gb_memcompare(ordered_indices, addr.swizzle.indices, addr.swizzle.count) == 0) {
- if (lb_try_update_alignment(addr.addr, res_align)) {
- Type *pt = alloc_type_pointer(addr.swizzle.type);
- lbValue res = {};
- res.value = LLVMBuildPointerCast(p->builder, addr.addr.value, lb_type(p->module, pt), "");
- res.type = pt;
- return lb_emit_load(p, res);
- }
- }
- Type *elem_type = base_type(array_type->Array.elem);
- lbAddr res = lb_add_local_generated(p, addr.swizzle.type, false);
- lbValue ptr = lb_addr_get_ptr(p, res);
- GB_ASSERT(is_type_pointer(ptr.type));
- LLVMTypeRef vector_type = nullptr;
- if (lb_try_vector_cast(p->module, addr.addr, &vector_type)) {
- LLVMSetAlignment(res.addr.value, cast(unsigned)lb_alignof(vector_type));
- LLVMValueRef vp = LLVMBuildPointerCast(p->builder, addr.addr.value, LLVMPointerType(vector_type, 0), "");
- LLVMValueRef v = LLVMBuildLoad2(p->builder, vector_type, vp, "");
- LLVMValueRef scalars[4] = {};
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- scalars[i] = LLVMConstInt(lb_type(p->module, t_u32), addr.swizzle.indices[i], false);
- }
- LLVMValueRef mask = LLVMConstVector(scalars, addr.swizzle.count);
- LLVMValueRef sv = LLVMBuildShuffleVector(p->builder, v, LLVMGetUndef(vector_type), mask, "");
- LLVMValueRef dst = LLVMBuildPointerCast(p->builder, ptr.value, LLVMPointerType(LLVMTypeOf(sv), 0), "");
- LLVMBuildStore(p->builder, sv, dst);
- } else {
- for (u8 i = 0; i < addr.swizzle.count; i++) {
- u8 index = addr.swizzle.indices[i];
- lbValue dst = lb_emit_array_epi(p, ptr, i);
- lbValue src = lb_emit_array_epi(p, addr.addr, index);
- lb_emit_store(p, dst, lb_emit_load(p, src));
- }
- }
- return lb_addr_load(p, res);
- } else if (addr.kind == lbAddr_SwizzleLarge) {
- Type *array_type = base_type(addr.swizzle_large.type);
- GB_ASSERT(array_type->kind == Type_Array);
- unsigned res_align = cast(unsigned)type_align_of(addr.swizzle_large.type);
- Type *elem_type = base_type(array_type->Array.elem);
- lbAddr res = lb_add_local_generated(p, addr.swizzle_large.type, false);
- lbValue ptr = lb_addr_get_ptr(p, res);
- GB_ASSERT(is_type_pointer(ptr.type));
- for_array(i, addr.swizzle_large.indices) {
- i32 index = addr.swizzle_large.indices[i];
- lbValue dst = lb_emit_array_epi(p, ptr, i);
- lbValue src = lb_emit_array_epi(p, addr.addr, index);
- lb_emit_store(p, dst, lb_emit_load(p, src));
- }
- return lb_addr_load(p, res);
- }
- if (is_type_proc(addr.addr.type)) {
- return addr.addr;
- }
- return lb_emit_load(p, addr.addr);
- }
- lbValue lb_const_union_tag(lbModule *m, Type *u, Type *v) {
- return lb_const_value(m, union_tag_type(u), exact_value_i64(union_variant_index(u, v)));
- }
- lbValue lb_emit_union_tag_ptr(lbProcedure *p, lbValue u) {
- Type *t = u.type;
- GB_ASSERT_MSG(is_type_pointer(t) &&
- is_type_union(type_deref(t)), "%s", type_to_string(t));
- Type *ut = type_deref(t);
- GB_ASSERT(!is_type_union_maybe_pointer_original_alignment(ut));
- GB_ASSERT(!is_type_union_maybe_pointer(ut));
- GB_ASSERT(type_size_of(ut) > 0);
- Type *tag_type = union_tag_type(ut);
- LLVMTypeRef uvt = LLVMGetElementType(LLVMTypeOf(u.value));
- unsigned element_count = LLVMCountStructElementTypes(uvt);
- GB_ASSERT_MSG(element_count == 3, "(%s) != (%s)", type_to_string(ut), LLVMPrintTypeToString(uvt));
- lbValue tag_ptr = {};
- tag_ptr.value = LLVMBuildStructGEP(p->builder, u.value, 2, "");
- tag_ptr.type = alloc_type_pointer(tag_type);
- return tag_ptr;
- }
- lbValue lb_emit_union_tag_value(lbProcedure *p, lbValue u) {
- lbValue ptr = lb_address_from_load_or_generate_local(p, u);
- lbValue tag_ptr = lb_emit_union_tag_ptr(p, ptr);
- return lb_emit_load(p, tag_ptr);
- }
- void lb_emit_store_union_variant_tag(lbProcedure *p, lbValue parent, Type *variant_type) {
- Type *t = type_deref(parent.type);
- if (is_type_union_maybe_pointer(t) || type_size_of(t) == 0) {
- // No tag needed!
- } else {
- lbValue tag_ptr = lb_emit_union_tag_ptr(p, parent);
- lb_emit_store(p, tag_ptr, lb_const_union_tag(p->module, t, variant_type));
- }
- }
- void lb_emit_store_union_variant(lbProcedure *p, lbValue parent, lbValue variant, Type *variant_type) {
- lbValue underlying = lb_emit_conv(p, parent, alloc_type_pointer(variant_type));
- lb_emit_store(p, underlying, variant);
- lb_emit_store_union_variant_tag(p, parent, variant_type);
- }
- void lb_clone_struct_type(LLVMTypeRef dst, LLVMTypeRef src) {
- unsigned field_count = LLVMCountStructElementTypes(src);
- LLVMTypeRef *fields = gb_alloc_array(temporary_allocator(), LLVMTypeRef, field_count);
- LLVMGetStructElementTypes(src, fields);
- LLVMStructSetBody(dst, fields, field_count, LLVMIsPackedStruct(src));
- }
- LLVMTypeRef lb_alignment_prefix_type_hack(lbModule *m, i64 alignment) {
- switch (alignment) {
- case 1:
- return LLVMArrayType(lb_type(m, t_u8), 0);
- case 2:
- return LLVMArrayType(lb_type(m, t_u16), 0);
- case 4:
- return LLVMArrayType(lb_type(m, t_u32), 0);
- case 8:
- return LLVMArrayType(lb_type(m, t_u64), 0);
- case 16:
- return LLVMArrayType(LLVMVectorType(lb_type(m, t_u32), 4), 0);
- default:
- GB_PANIC("Invalid alignment %d", cast(i32)alignment);
- break;
- }
- return nullptr;
- }
- String lb_mangle_name(lbModule *m, Entity *e) {
- String name = e->token.string;
- AstPackage *pkg = e->pkg;
- GB_ASSERT_MSG(pkg != nullptr, "Missing package for '%.*s'", LIT(name));
- String pkgn = pkg->name;
- GB_ASSERT(!rune_is_digit(pkgn[0]));
- if (pkgn == "llvm") {
- pkgn = str_lit("llvm$");
- }
- isize max_len = pkgn.len + 1 + name.len + 1;
- bool require_suffix_id = is_type_polymorphic(e->type, true);
- if ((e->scope->flags & (ScopeFlag_File | ScopeFlag_Pkg)) == 0) {
- require_suffix_id = true;
- } else if (is_blank_ident(e->token)) {
- require_suffix_id = true;
- }if (e->flags & EntityFlag_NotExported) {
- require_suffix_id = true;
- }
- if (require_suffix_id) {
- max_len += 21;
- }
- char *new_name = gb_alloc_array(permanent_allocator(), char, max_len);
- isize new_name_len = gb_snprintf(
- new_name, max_len,
- "%.*s.%.*s", LIT(pkgn), LIT(name)
- );
- if (require_suffix_id) {
- char *str = new_name + new_name_len-1;
- isize len = max_len-new_name_len;
- isize extra = gb_snprintf(str, len, "-%llu", cast(unsigned long long)e->id);
- new_name_len += extra-1;
- }
- String mangled_name = make_string((u8 const *)new_name, new_name_len-1);
- return mangled_name;
- }
- String lb_set_nested_type_name_ir_mangled_name(Entity *e, lbProcedure *p) {
- // NOTE(bill, 2020-03-08): A polymorphic procedure may take a nested type declaration
- // and as a result, the declaration does not have time to determine what it should be
- GB_ASSERT(e != nullptr && e->kind == Entity_TypeName);
- if (e->TypeName.ir_mangled_name.len != 0) {
- return e->TypeName.ir_mangled_name;
- }
- GB_ASSERT((e->scope->flags & ScopeFlag_File) == 0);
- if (p == nullptr) {
- Entity *proc = nullptr;
- if (e->parent_proc_decl != nullptr) {
- proc = e->parent_proc_decl->entity;
- } else {
- Scope *scope = e->scope;
- while (scope != nullptr && (scope->flags & ScopeFlag_Proc) == 0) {
- scope = scope->parent;
- }
- GB_ASSERT(scope != nullptr);
- GB_ASSERT(scope->flags & ScopeFlag_Proc);
- proc = scope->procedure_entity;
- }
- GB_ASSERT(proc->kind == Entity_Procedure);
- if (proc->code_gen_procedure != nullptr) {
- p = proc->code_gen_procedure;
- }
- }
- // NOTE(bill): Generate a new name
- // parent_proc.name-guid
- String ts_name = e->token.string;
- if (p != nullptr) {
- isize name_len = p->name.len + 1 + ts_name.len + 1 + 10 + 1;
- char *name_text = gb_alloc_array(permanent_allocator(), char, name_len);
- u32 guid = ++p->module->nested_type_name_guid;
- name_len = gb_snprintf(name_text, name_len, "%.*s.%.*s-%u", LIT(p->name), LIT(ts_name), guid);
- String name = make_string(cast(u8 *)name_text, name_len-1);
- e->TypeName.ir_mangled_name = name;
- return name;
- } else {
- // NOTE(bill): a nested type be required before its parameter procedure exists. Just give it a temp name for now
- isize name_len = 9 + 1 + ts_name.len + 1 + 10 + 1;
- char *name_text = gb_alloc_array(permanent_allocator(), char, name_len);
- static u32 guid = 0;
- guid += 1;
- name_len = gb_snprintf(name_text, name_len, "_internal.%.*s-%u", LIT(ts_name), guid);
- String name = make_string(cast(u8 *)name_text, name_len-1);
- e->TypeName.ir_mangled_name = name;
- return name;
- }
- }
- String lb_get_entity_name(lbModule *m, Entity *e, String default_name) {
- if (e != nullptr && e->kind == Entity_TypeName && e->TypeName.ir_mangled_name.len != 0) {
- return e->TypeName.ir_mangled_name;
- }
- GB_ASSERT(e != nullptr);
- if (e->pkg == nullptr) {
- return e->token.string;
- }
- if (e->kind == Entity_TypeName && (e->scope->flags & ScopeFlag_File) == 0) {
- return lb_set_nested_type_name_ir_mangled_name(e, nullptr);
- }
- String name = {};
- bool no_name_mangle = false;
- if (e->kind == Entity_Variable) {
- bool is_foreign = e->Variable.is_foreign;
- bool is_export = e->Variable.is_export;
- no_name_mangle = e->Variable.link_name.len > 0 || is_foreign || is_export;
- if (e->Variable.link_name.len > 0) {
- return e->Variable.link_name;
- }
- } else if (e->kind == Entity_Procedure && e->Procedure.link_name.len > 0) {
- return e->Procedure.link_name;
- } else if (e->kind == Entity_Procedure && e->Procedure.is_export) {
- no_name_mangle = true;
- }
- if (!no_name_mangle) {
- name = lb_mangle_name(m, e);
- }
- if (name.len == 0) {
- name = e->token.string;
- }
- if (e->kind == Entity_TypeName) {
- e->TypeName.ir_mangled_name = name;
- } else if (e->kind == Entity_Procedure) {
- e->Procedure.link_name = name;
- }
- return name;
- }
- LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
- Type *original_type = type;
- LLVMContextRef ctx = m->ctx;
- i64 size = type_size_of(type); // Check size
- GB_ASSERT(type != t_invalid);
- switch (type->kind) {
- case Type_Basic:
- switch (type->Basic.kind) {
- case Basic_llvm_bool: return LLVMInt1TypeInContext(ctx);
- case Basic_bool: return LLVMInt8TypeInContext(ctx);
- case Basic_b8: return LLVMInt8TypeInContext(ctx);
- case Basic_b16: return LLVMInt16TypeInContext(ctx);
- case Basic_b32: return LLVMInt32TypeInContext(ctx);
- case Basic_b64: return LLVMInt64TypeInContext(ctx);
- case Basic_i8: return LLVMInt8TypeInContext(ctx);
- case Basic_u8: return LLVMInt8TypeInContext(ctx);
- case Basic_i16: return LLVMInt16TypeInContext(ctx);
- case Basic_u16: return LLVMInt16TypeInContext(ctx);
- case Basic_i32: return LLVMInt32TypeInContext(ctx);
- case Basic_u32: return LLVMInt32TypeInContext(ctx);
- case Basic_i64: return LLVMInt64TypeInContext(ctx);
- case Basic_u64: return LLVMInt64TypeInContext(ctx);
- case Basic_i128: return LLVMInt128TypeInContext(ctx);
- case Basic_u128: return LLVMInt128TypeInContext(ctx);
- case Basic_rune: return LLVMInt32TypeInContext(ctx);
- case Basic_f16: return LLVMHalfTypeInContext(ctx);
- case Basic_f32: return LLVMFloatTypeInContext(ctx);
- case Basic_f64: return LLVMDoubleTypeInContext(ctx);
- case Basic_f16le: return LLVMHalfTypeInContext(ctx);
- case Basic_f32le: return LLVMFloatTypeInContext(ctx);
- case Basic_f64le: return LLVMDoubleTypeInContext(ctx);
- case Basic_f16be: return LLVMHalfTypeInContext(ctx);
- case Basic_f32be: return LLVMFloatTypeInContext(ctx);
- case Basic_f64be: return LLVMDoubleTypeInContext(ctx);
- case Basic_complex32:
- {
- char const *name = "..complex32";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[2] = {
- lb_type(m, t_f16),
- lb_type(m, t_f16),
- };
- LLVMStructSetBody(type, fields, 2, false);
- return type;
- }
- case Basic_complex64:
- {
- char const *name = "..complex64";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[2] = {
- lb_type(m, t_f32),
- lb_type(m, t_f32),
- };
- LLVMStructSetBody(type, fields, 2, false);
- return type;
- }
- case Basic_complex128:
- {
- char const *name = "..complex128";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[2] = {
- lb_type(m, t_f64),
- lb_type(m, t_f64),
- };
- LLVMStructSetBody(type, fields, 2, false);
- return type;
- }
- case Basic_quaternion64:
- {
- char const *name = "..quaternion64";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[4] = {
- lb_type(m, t_f16),
- lb_type(m, t_f16),
- lb_type(m, t_f16),
- lb_type(m, t_f16),
- };
- LLVMStructSetBody(type, fields, 4, false);
- return type;
- }
- case Basic_quaternion128:
- {
- char const *name = "..quaternion128";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[4] = {
- lb_type(m, t_f32),
- lb_type(m, t_f32),
- lb_type(m, t_f32),
- lb_type(m, t_f32),
- };
- LLVMStructSetBody(type, fields, 4, false);
- return type;
- }
- case Basic_quaternion256:
- {
- char const *name = "..quaternion256";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[4] = {
- lb_type(m, t_f64),
- lb_type(m, t_f64),
- lb_type(m, t_f64),
- lb_type(m, t_f64),
- };
- LLVMStructSetBody(type, fields, 4, false);
- return type;
- }
- case Basic_int: return LLVMIntTypeInContext(ctx, 8*cast(unsigned)build_context.word_size);
- case Basic_uint: return LLVMIntTypeInContext(ctx, 8*cast(unsigned)build_context.word_size);
- case Basic_uintptr: return LLVMIntTypeInContext(ctx, 8*cast(unsigned)build_context.word_size);
- case Basic_rawptr: return LLVMPointerType(LLVMInt8TypeInContext(ctx), 0);
- case Basic_string:
- {
- char const *name = "..string";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[2] = {
- LLVMPointerType(lb_type(m, t_u8), 0),
- lb_type(m, t_int),
- };
- LLVMStructSetBody(type, fields, 2, false);
- return type;
- }
- case Basic_cstring: return LLVMPointerType(LLVMInt8TypeInContext(ctx), 0);
- case Basic_any:
- {
- char const *name = "..any";
- LLVMTypeRef type = LLVMGetTypeByName(m->mod, name);
- if (type != nullptr) {
- return type;
- }
- type = LLVMStructCreateNamed(ctx, name);
- LLVMTypeRef fields[2] = {
- lb_type(m, t_rawptr),
- lb_type(m, t_typeid),
- };
- LLVMStructSetBody(type, fields, 2, false);
- return type;
- }
- case Basic_typeid: return LLVMIntTypeInContext(m->ctx, 8*cast(unsigned)build_context.word_size);
- // Endian Specific Types
- case Basic_i16le: return LLVMInt16TypeInContext(ctx);
- case Basic_u16le: return LLVMInt16TypeInContext(ctx);
- case Basic_i32le: return LLVMInt32TypeInContext(ctx);
- case Basic_u32le: return LLVMInt32TypeInContext(ctx);
- case Basic_i64le: return LLVMInt64TypeInContext(ctx);
- case Basic_u64le: return LLVMInt64TypeInContext(ctx);
- case Basic_i128le: return LLVMInt128TypeInContext(ctx);
- case Basic_u128le: return LLVMInt128TypeInContext(ctx);
- case Basic_i16be: return LLVMInt16TypeInContext(ctx);
- case Basic_u16be: return LLVMInt16TypeInContext(ctx);
- case Basic_i32be: return LLVMInt32TypeInContext(ctx);
- case Basic_u32be: return LLVMInt32TypeInContext(ctx);
- case Basic_i64be: return LLVMInt64TypeInContext(ctx);
- case Basic_u64be: return LLVMInt64TypeInContext(ctx);
- case Basic_i128be: return LLVMInt128TypeInContext(ctx);
- case Basic_u128be: return LLVMInt128TypeInContext(ctx);
- // Untyped types
- case Basic_UntypedBool: GB_PANIC("Basic_UntypedBool"); break;
- case Basic_UntypedInteger: GB_PANIC("Basic_UntypedInteger"); break;
- case Basic_UntypedFloat: GB_PANIC("Basic_UntypedFloat"); break;
- case Basic_UntypedComplex: GB_PANIC("Basic_UntypedComplex"); break;
- case Basic_UntypedQuaternion: GB_PANIC("Basic_UntypedQuaternion"); break;
- case Basic_UntypedString: GB_PANIC("Basic_UntypedString"); break;
- case Basic_UntypedRune: GB_PANIC("Basic_UntypedRune"); break;
- case Basic_UntypedNil: GB_PANIC("Basic_UntypedNil"); break;
- case Basic_UntypedUndef: GB_PANIC("Basic_UntypedUndef"); break;
- }
- break;
- case Type_Named:
- {
- Type *base = base_type(type->Named.base);
- switch (base->kind) {
- case Type_Basic:
- return lb_type_internal(m, base);
- case Type_Named:
- case Type_Generic:
- GB_PANIC("INVALID TYPE");
- break;
- case Type_Pointer:
- case Type_Array:
- case Type_EnumeratedArray:
- case Type_Slice:
- case Type_DynamicArray:
- case Type_Map:
- case Type_Enum:
- case Type_BitSet:
- case Type_SimdVector:
- return lb_type_internal(m, base);
- // TODO(bill): Deal with this correctly. Can this be named?
- case Type_Proc:
- return lb_type_internal(m, base);
- case Type_Tuple:
- return lb_type_internal(m, base);
- }
- LLVMTypeRef *found = map_get(&m->types, hash_type(base));
- if (found) {
- LLVMTypeKind kind = LLVMGetTypeKind(*found);
- if (kind == LLVMStructTypeKind) {
- char const *name = alloc_cstring(permanent_allocator(), lb_get_entity_name(m, type->Named.type_name));
- LLVMTypeRef llvm_type = LLVMGetTypeByName(m->mod, name);
- if (llvm_type != nullptr) {
- return llvm_type;
- }
- llvm_type = LLVMStructCreateNamed(ctx, name);
- map_set(&m->types, hash_type(type), llvm_type);
- lb_clone_struct_type(llvm_type, *found);
- return llvm_type;
- }
- }
- switch (base->kind) {
- case Type_Struct:
- case Type_Union:
- {
- char const *name = alloc_cstring(permanent_allocator(), lb_get_entity_name(m, type->Named.type_name));
- LLVMTypeRef llvm_type = LLVMGetTypeByName(m->mod, name);
- if (llvm_type != nullptr) {
- return llvm_type;
- }
- llvm_type = LLVMStructCreateNamed(ctx, name);
- map_set(&m->types, hash_type(type), llvm_type);
- lb_clone_struct_type(llvm_type, lb_type(m, base));
- return llvm_type;
- }
- }
- return lb_type_internal(m, base);
- }
- case Type_Pointer:
- return LLVMPointerType(lb_type(m, type->Pointer.elem), 0);
- case Type_Array: {
- m->internal_type_level -= 1;
- LLVMTypeRef t = LLVMArrayType(lb_type(m, type->Array.elem), cast(unsigned)type->Array.count);
- m->internal_type_level += 1;
- return t;
- }
- case Type_EnumeratedArray: {
- m->internal_type_level -= 1;
- LLVMTypeRef t = LLVMArrayType(lb_type(m, type->EnumeratedArray.elem), cast(unsigned)type->EnumeratedArray.count);
- m->internal_type_level += 1;
- return t;
- }
- case Type_Slice:
- {
- LLVMTypeRef fields[2] = {
- LLVMPointerType(lb_type(m, type->Slice.elem), 0), // data
- lb_type(m, t_int), // len
- };
- return LLVMStructTypeInContext(ctx, fields, 2, false);
- }
- break;
- case Type_DynamicArray:
- {
- LLVMTypeRef fields[4] = {
- LLVMPointerType(lb_type(m, type->DynamicArray.elem), 0), // data
- lb_type(m, t_int), // len
- lb_type(m, t_int), // cap
- lb_type(m, t_allocator), // allocator
- };
- return LLVMStructTypeInContext(ctx, fields, 4, false);
- }
- break;
- case Type_Map:
- init_map_internal_types(type);
- {
- Type *internal_type = type->Map.internal_type;
- GB_ASSERT(internal_type->kind == Type_Struct);
- m->internal_type_level -= 1;
- defer (m->internal_type_level += 1);
- unsigned field_count = cast(unsigned)(internal_type->Struct.fields.count);
- GB_ASSERT(field_count == 2);
- LLVMTypeRef *fields = gb_alloc_array(temporary_allocator(), LLVMTypeRef, field_count);
- LLVMTypeRef entries_fields[4] = {
- lb_type(m, t_rawptr),
- lb_type(m, t_int), // len
- lb_type(m, t_int), // cap
- lb_type(m, t_allocator), // allocator
- };
- fields[0] = lb_type(m, internal_type->Struct.fields[0]->type);
- fields[1] = LLVMStructTypeInContext(ctx, entries_fields, gb_count_of(entries_fields), false);
- return LLVMStructTypeInContext(ctx, fields, field_count, false);
- }
- case Type_Struct:
- {
- if (type->Struct.is_raw_union) {
- unsigned field_count = 2;
- LLVMTypeRef *fields = gb_alloc_array(permanent_allocator(), LLVMTypeRef, field_count);
- i64 alignment = type_align_of(type);
- unsigned size_of_union = cast(unsigned)type_size_of(type);
- fields[0] = lb_alignment_prefix_type_hack(m, alignment);
- fields[1] = LLVMArrayType(lb_type(m, t_u8), size_of_union);
- return LLVMStructTypeInContext(ctx, fields, field_count, false);
- }
- isize offset = 0;
- if (type->Struct.custom_align > 0) {
- offset = 1;
- }
- m->internal_type_level += 1;
- defer (m->internal_type_level -= 1);
- unsigned field_count = cast(unsigned)(type->Struct.fields.count + offset);
- LLVMTypeRef *fields = gb_alloc_array(temporary_allocator(), LLVMTypeRef, field_count);
- for_array(i, type->Struct.fields) {
- Entity *field = type->Struct.fields[i];
- fields[i+offset] = lb_type(m, field->type);
- }
- if (type->Struct.custom_align > 0) {
- fields[0] = lb_alignment_prefix_type_hack(m, type->Struct.custom_align);
- }
- return LLVMStructTypeInContext(ctx, fields, field_count, type->Struct.is_packed);
- }
- break;
- case Type_Union:
- if (type->Union.variants.count == 0) {
- return LLVMStructTypeInContext(ctx, nullptr, 0, false);
- } else {
- // NOTE(bill): The zero size array is used to fix the alignment used in a structure as
- // LLVM takes the first element's alignment as the entire alignment (like C)
- i64 align = type_align_of(type);
- i64 size = type_size_of(type);
- if (is_type_union_maybe_pointer_original_alignment(type)) {
- LLVMTypeRef fields[1] = {lb_type(m, type->Union.variants[0])};
- return LLVMStructTypeInContext(ctx, fields, 1, false);
- }
- unsigned block_size = cast(unsigned)type->Union.variant_block_size;
- LLVMTypeRef fields[3] = {};
- unsigned field_count = 1;
- fields[0] = lb_alignment_prefix_type_hack(m, align);
- if (is_type_union_maybe_pointer(type)) {
- field_count += 1;
- fields[1] = lb_type(m, type->Union.variants[0]);
- } else {
- field_count += 2;
- if (block_size == align) {
- fields[1] = LLVMIntTypeInContext(m->ctx, 8*block_size);
- } else {
- fields[1] = LLVMArrayType(lb_type(m, t_u8), block_size);
- }
- fields[2] = lb_type(m, union_tag_type(type));
- }
- return LLVMStructTypeInContext(ctx, fields, field_count, false);
- }
- break;
- case Type_Enum:
- return lb_type(m, base_enum_type(type));
- case Type_Tuple:
- if (type->Tuple.variables.count == 1) {
- return lb_type(m, type->Tuple.variables[0]->type);
- } else {
- unsigned field_count = cast(unsigned)(type->Tuple.variables.count);
- LLVMTypeRef *fields = gb_alloc_array(temporary_allocator(), LLVMTypeRef, field_count);
- for_array(i, type->Tuple.variables) {
- Entity *field = type->Tuple.variables[i];
- LLVMTypeRef param_type = nullptr;
- param_type = lb_type(m, field->type);
- fields[i] = param_type;
- }
- return LLVMStructTypeInContext(ctx, fields, field_count, type->Tuple.is_packed);
- }
- case Type_Proc:
- // if (m->internal_type_level > 256) { // TODO HACK(bill): is this really enough?
- if (m->internal_type_level > 1) { // TODO HACK(bill): is this really enough?
- return LLVMPointerType(LLVMIntTypeInContext(m->ctx, 8), 0);
- } else {
- unsigned param_count = 0;
- if (type->Proc.calling_convention == ProcCC_Odin) {
- param_count += 1;
- }
- if (type->Proc.param_count != 0) {
- GB_ASSERT(type->Proc.params->kind == Type_Tuple);
- for_array(i, type->Proc.params->Tuple.variables) {
- Entity *e = type->Proc.params->Tuple.variables[i];
- if (e->kind != Entity_Variable) {
- continue;
- }
- if (e->flags & EntityFlag_CVarArg) {
- continue;
- }
- param_count += 1;
- }
- }
- m->internal_type_level += 1;
- defer (m->internal_type_level -= 1);
- LLVMTypeRef ret = nullptr;
- LLVMTypeRef *params = gb_alloc_array(heap_allocator(), LLVMTypeRef, param_count);
- if (type->Proc.result_count != 0) {
- Type *single_ret = reduce_tuple_to_single_type(type->Proc.results);
- ret = lb_type(m, single_ret);
- if (ret != nullptr) {
- if (is_type_boolean(single_ret) &&
- is_calling_convention_none(type->Proc.calling_convention) &&
- type_size_of(single_ret) <= 1) {
- ret = LLVMInt1TypeInContext(m->ctx);
- }
- }
- }
- unsigned param_index = 0;
- if (type->Proc.param_count != 0) {
- GB_ASSERT(type->Proc.params->kind == Type_Tuple);
- for_array(i, type->Proc.params->Tuple.variables) {
- Entity *e = type->Proc.params->Tuple.variables[i];
- if (e->kind != Entity_Variable) {
- continue;
- }
- if (e->flags & EntityFlag_CVarArg) {
- continue;
- }
- Type *e_type = reduce_tuple_to_single_type(e->type);
- LLVMTypeRef param_type = nullptr;
- if (is_type_boolean(e_type) &&
- type_size_of(e_type) <= 1) {
- param_type = LLVMInt1TypeInContext(m->ctx);
- } else {
- if (is_type_proc(e_type)) {
- param_type = lb_type(m, t_rawptr);
- } else {
- param_type = lb_type(m, e_type);
- }
- }
- params[param_index++] = param_type;
- }
- }
- if (param_index < param_count) {
- params[param_index++] = lb_type(m, t_rawptr);
- }
- GB_ASSERT(param_index == param_count);
- lbFunctionType *ft = lb_get_abi_info(m->ctx, params, param_count, ret, ret != nullptr, type->Proc.calling_convention);
- {
- for_array(j, ft->args) {
- auto arg = ft->args[j];
- GB_ASSERT_MSG(LLVMGetTypeContext(arg.type) == ft->ctx,
- "\n\t%s %td/%td"
- "\n\tArgTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx: %p",
- LLVMPrintTypeToString(arg.type),
- j, ft->args.count,
- LLVMGetTypeContext(arg.type), ft->ctx, LLVMGetGlobalContext());
- }
- GB_ASSERT_MSG(LLVMGetTypeContext(ft->ret.type) == ft->ctx,
- "\n\t%s"
- "\n\tRetTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx: %p",
- LLVMPrintTypeToString(ft->ret.type),
- LLVMGetTypeContext(ft->ret.type), ft->ctx, LLVMGetGlobalContext());
- }
- map_set(&m->function_type_map, hash_type(type), ft);
- LLVMTypeRef new_abi_fn_ptr_type = lb_function_type_to_llvm_ptr(ft, type->Proc.c_vararg);
- LLVMTypeRef new_abi_fn_type = LLVMGetElementType(new_abi_fn_ptr_type);
- GB_ASSERT_MSG(LLVMGetTypeContext(new_abi_fn_type) == m->ctx,
- "\n\tFuncTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx: %p",
- LLVMGetTypeContext(new_abi_fn_type), m->ctx, LLVMGetGlobalContext());
- return new_abi_fn_ptr_type;
- }
- break;
- case Type_BitSet:
- {
- Type *ut = bit_set_to_int(type);
- return lb_type(m, ut);
- }
- case Type_SimdVector:
- return LLVMVectorType(lb_type(m, type->SimdVector.elem), cast(unsigned)type->SimdVector.count);
- case Type_RelativePointer:
- return lb_type_internal(m, type->RelativePointer.base_integer);
- case Type_RelativeSlice:
- {
- LLVMTypeRef base_integer = lb_type_internal(m, type->RelativeSlice.base_integer);
- unsigned field_count = 2;
- LLVMTypeRef *fields = gb_alloc_array(heap_allocator(), LLVMTypeRef, field_count);
- fields[0] = base_integer;
- fields[1] = base_integer;
- return LLVMStructTypeInContext(ctx, fields, field_count, false);
- }
- }
- GB_PANIC("Invalid type %s", type_to_string(type));
- return LLVMInt32TypeInContext(ctx);
- }
- LLVMTypeRef lb_type(lbModule *m, Type *type) {
- type = default_type(type);
- LLVMTypeRef *found = map_get(&m->types, hash_type(type));
- if (found) {
- return *found;
- }
- LLVMTypeRef llvm_type = nullptr;
- m->internal_type_level += 1;
- llvm_type = lb_type_internal(m, type);
- m->internal_type_level -= 1;
- if (m->internal_type_level == 0) {
- map_set(&m->types, hash_type(type), llvm_type);
- if (is_type_named(type)) {
- map_set(&m->llvm_types, hash_pointer(llvm_type), type);
- }
- }
- return llvm_type;
- }
- lbFunctionType *lb_get_function_type(lbModule *m, lbProcedure *p, Type *pt) {
- lbFunctionType **ft_found = nullptr;
- ft_found = map_get(&m->function_type_map, hash_type(pt));
- if (!ft_found) {
- LLVMTypeRef llvm_proc_type = lb_type(p->module, pt);
- ft_found = map_get(&m->function_type_map, hash_type(pt));
- }
- GB_ASSERT(ft_found != nullptr);
- return *ft_found;
- }
- void lb_ensure_abi_function_type(lbModule *m, lbProcedure *p) {
- if (p->abi_function_type != nullptr) {
- return;
- }
- auto hash = hash_type(p->type);
- lbFunctionType **ft_found = map_get(&m->function_type_map, hash);
- if (ft_found == nullptr) {
- LLVMTypeRef llvm_proc_type = lb_type(p->module, p->type);
- ft_found = map_get(&m->function_type_map, hash);
- }
- GB_ASSERT(ft_found != nullptr);
- p->abi_function_type = *ft_found;
- GB_ASSERT(p->abi_function_type != nullptr);
- }
- void lb_add_entity(lbModule *m, Entity *e, lbValue val) {
- if (e != nullptr) {
- map_set(&m->values, hash_entity(e), val);
- }
- }
- void lb_add_member(lbModule *m, String const &name, lbValue val) {
- if (name.len > 0) {
- string_map_set(&m->members, name, val);
- }
- }
- void lb_add_member(lbModule *m, StringHashKey const &key, lbValue val) {
- string_map_set(&m->members, key, val);
- }
- void lb_add_procedure_value(lbModule *m, lbProcedure *p) {
- if (p->entity != nullptr) {
- map_set(&m->procedure_values, hash_pointer(p->value), p->entity);
- }
- string_map_set(&m->procedures, p->name, p);
- }
- LLVMAttributeRef lb_create_enum_attribute_with_type(LLVMContextRef ctx, char const *name, LLVMTypeRef type) {
- String s = make_string_c(name);
- // NOTE(2021-02-25, bill); All this attributes require a type associated with them
- // and the current LLVM C API does not expose this functionality yet.
- // It is better to ignore the attributes for the time being
- if (s == "byval") {
- // return nullptr;
- } else if (s == "byref") {
- return nullptr;
- } else if (s == "preallocated") {
- return nullptr;
- } else if (s == "sret") {
- // return nullptr;
- }
- unsigned kind = LLVMGetEnumAttributeKindForName(name, s.len);
- GB_ASSERT_MSG(kind != 0, "unknown attribute: %s", name);
- return LLVMCreateEnumAttribute(ctx, kind, 0);
- }
- LLVMAttributeRef lb_create_enum_attribute(LLVMContextRef ctx, char const *name, u64 value) {
- String s = make_string_c(name);
- // NOTE(2021-02-25, bill); All this attributes require a type associated with them
- // and the current LLVM C API does not expose this functionality yet.
- // It is better to ignore the attributes for the time being
- if (s == "byval") {
- GB_PANIC("lb_create_enum_attribute_with_type should be used for %s", name);
- } else if (s == "byref") {
- GB_PANIC("lb_create_enum_attribute_with_type should be used for %s", name);
- } else if (s == "preallocated") {
- GB_PANIC("lb_create_enum_attribute_with_type should be used for %s", name);
- } else if (s == "sret") {
- GB_PANIC("lb_create_enum_attribute_with_type should be used for %s", name);
- }
- unsigned kind = LLVMGetEnumAttributeKindForName(name, s.len);
- GB_ASSERT_MSG(kind != 0, "unknown attribute: %s", name);
- return LLVMCreateEnumAttribute(ctx, kind, value);
- }
- void lb_add_proc_attribute_at_index(lbProcedure *p, isize index, char const *name, u64 value) {
- LLVMAttributeRef attr = lb_create_enum_attribute(p->module->ctx, name, value);
- GB_ASSERT(attr != nullptr);
- LLVMAddAttributeAtIndex(p->value, cast(unsigned)index, attr);
- }
- void lb_add_proc_attribute_at_index(lbProcedure *p, isize index, char const *name) {
- lb_add_proc_attribute_at_index(p, index, name, 0);
- }
- void lb_add_attribute_to_proc(lbModule *m, LLVMValueRef proc_value, char const *name, u64 value=0) {
- LLVMAddAttributeAtIndex(proc_value, LLVMAttributeIndex_FunctionIndex, lb_create_enum_attribute(m->ctx, name, value));
- }
- void lb_add_edge(lbBlock *from, lbBlock *to) {
- LLVMValueRef instr = LLVMGetLastInstruction(from->block);
- if (instr == nullptr || !LLVMIsATerminatorInst(instr)) {
- array_add(&from->succs, to);
- array_add(&to->preds, from);
- }
- }
- lbBlock *lb_create_block(lbProcedure *p, char const *name, bool append) {
- lbBlock *b = gb_alloc_item(permanent_allocator(), lbBlock);
- b->block = LLVMCreateBasicBlockInContext(p->module->ctx, name);
- b->appended = false;
- if (append) {
- b->appended = true;
- LLVMAppendExistingBasicBlock(p->value, b->block);
- }
- b->scope = p->curr_scope;
- b->scope_index = p->scope_index;
- b->preds.allocator = heap_allocator();
- b->succs.allocator = heap_allocator();
- array_add(&p->blocks, b);
- return b;
- }
- void lb_emit_jump(lbProcedure *p, lbBlock *target_block) {
- if (p->curr_block == nullptr) {
- return;
- }
- LLVMValueRef last_instr = LLVMGetLastInstruction(p->curr_block->block);
- if (last_instr != nullptr && LLVMIsATerminatorInst(last_instr)) {
- return;
- }
- lb_add_edge(p->curr_block, target_block);
- LLVMBuildBr(p->builder, target_block->block);
- p->curr_block = nullptr;
- }
- void lb_emit_if(lbProcedure *p, lbValue cond, lbBlock *true_block, lbBlock *false_block) {
- lbBlock *b = p->curr_block;
- if (b == nullptr) {
- return;
- }
- LLVMValueRef last_instr = LLVMGetLastInstruction(p->curr_block->block);
- if (last_instr != nullptr && LLVMIsATerminatorInst(last_instr)) {
- return;
- }
- lb_add_edge(b, true_block);
- lb_add_edge(b, false_block);
- LLVMValueRef cv = cond.value;
- cv = LLVMBuildTruncOrBitCast(p->builder, cv, lb_type(p->module, t_llvm_bool), "");
- LLVMBuildCondBr(p->builder, cv, true_block->block, false_block->block);
- }
- LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRef dst_type) {
- LLVMContextRef ctx = p->module->ctx;
- LLVMTypeRef src_type = LLVMTypeOf(val);
- if (src_type == dst_type) {
- return val;
- }
- i64 src_size = lb_sizeof(src_type);
- i64 dst_size = lb_sizeof(dst_type);
- i64 src_align = lb_alignof(src_type);
- i64 dst_align = lb_alignof(dst_type);
- if (LLVMIsALoadInst(val)) {
- src_align = gb_min(src_align, LLVMGetAlignment(val));
- }
- LLVMTypeKind src_kind = LLVMGetTypeKind(src_type);
- LLVMTypeKind dst_kind = LLVMGetTypeKind(dst_type);
- if (dst_type == LLVMInt1TypeInContext(ctx)) {
- GB_ASSERT(lb_is_type_kind(src_type, LLVMIntegerTypeKind));
- return LLVMBuildICmp(p->builder, LLVMIntNE, val, LLVMConstNull(src_type), "");
- } else if (src_type == LLVMInt1TypeInContext(ctx)) {
- GB_ASSERT(lb_is_type_kind(src_type, LLVMIntegerTypeKind));
- return LLVMBuildZExtOrBitCast(p->builder, val, dst_type, "");
- }
- if (src_size != dst_size) {
- if ((lb_is_type_kind(src_type, LLVMVectorTypeKind) ^ lb_is_type_kind(dst_type, LLVMVectorTypeKind))) {
- // Okay
- } else {
- goto general_end;
- }
- }
- if (src_kind == dst_kind) {
- if (src_kind == LLVMPointerTypeKind) {
- return LLVMBuildPointerCast(p->builder, val, dst_type, "");
- } else if (src_kind == LLVMArrayTypeKind) {
- // ignore
- } else if (src_kind != LLVMStructTypeKind) {
- return LLVMBuildBitCast(p->builder, val, dst_type, "");
- }
- } else {
- if (src_kind == LLVMPointerTypeKind && dst_kind == LLVMIntegerTypeKind) {
- return LLVMBuildPtrToInt(p->builder, val, dst_type, "");
- } else if (src_kind == LLVMIntegerTypeKind && dst_kind == LLVMPointerTypeKind) {
- return LLVMBuildIntToPtr(p->builder, val, dst_type, "");
- }
- }
- general_end:;
- // make the alignment big if necessary
- if (LLVMIsALoadInst(val) && src_align < dst_align) {
- LLVMValueRef val_ptr = LLVMGetOperand(val, 0);
- if (LLVMGetInstructionOpcode(val_ptr) == LLVMAlloca) {
- src_align = gb_max(LLVMGetAlignment(val_ptr), dst_align);
- LLVMSetAlignment(val_ptr, cast(unsigned)src_align);
- }
- }
- src_size = align_formula(src_size, src_align);
- dst_size = align_formula(dst_size, dst_align);
- if (LLVMIsALoadInst(val) && (src_size >= dst_size && src_align >= dst_align)) {
- LLVMValueRef val_ptr = LLVMGetOperand(val, 0);
- val_ptr = LLVMBuildPointerCast(p->builder, val_ptr, LLVMPointerType(dst_type, 0), "");
- LLVMValueRef loaded_val = LLVMBuildLoad(p->builder, val_ptr, "");
- // LLVMSetAlignment(loaded_val, gb_min(src_align, dst_align));
- return loaded_val;
- } else {
- GB_ASSERT(p->decl_block != p->curr_block);
- LLVMPositionBuilderAtEnd(p->builder, p->decl_block->block);
- LLVMValueRef ptr = LLVMBuildAlloca(p->builder, dst_type, "");
- LLVMPositionBuilderAtEnd(p->builder, p->curr_block->block);
- i64 max_align = gb_max(lb_alignof(src_type), lb_alignof(dst_type));
- max_align = gb_max(max_align, 4);
- LLVMSetAlignment(ptr, cast(unsigned)max_align);
- LLVMValueRef nptr = LLVMBuildPointerCast(p->builder, ptr, LLVMPointerType(src_type, 0), "");
- LLVMBuildStore(p->builder, val, nptr);
- return LLVMBuildLoad(p->builder, ptr, "");
- }
- }
- LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String const &str) {
- StringHashKey key = string_hash_string(str);
- LLVMValueRef *found = string_map_get(&m->const_strings, key);
- if (found != nullptr) {
- return *found;
- } else {
- LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
- LLVMValueRef data = LLVMConstStringInContext(m->ctx,
- cast(char const *)str.text,
- cast(unsigned)str.len,
- false);
- isize max_len = 7+8+1;
- char *name = gb_alloc_array(permanent_allocator(), char, max_len);
- u32 id = cast(u32)gb_atomic32_fetch_add(&m->gen->global_array_index, 1);
- isize len = gb_snprintf(name, max_len, "csbs$%x", id);
- len -= 1;
- LLVMValueRef global_data = LLVMAddGlobal(m->mod, LLVMTypeOf(data), name);
- LLVMSetInitializer(global_data, data);
- LLVMSetLinkage(global_data, LLVMInternalLinkage);
- LLVMValueRef ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
- string_map_set(&m->const_strings, key, ptr);
- return ptr;
- }
- }
- lbValue lb_find_or_add_entity_string(lbModule *m, String const &str) {
- LLVMValueRef ptr = nullptr;
- if (str.len != 0) {
- ptr = lb_find_or_add_entity_string_ptr(m, str);
- } else {
- ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
- }
- LLVMValueRef str_len = LLVMConstInt(lb_type(m, t_int), str.len, true);
- LLVMValueRef values[2] = {ptr, str_len};
- lbValue res = {};
- res.value = llvm_const_named_struct(lb_type(m, t_string), values, 2);
- res.type = t_string;
- return res;
- }
- lbValue lb_find_or_add_entity_string_byte_slice(lbModule *m, String const &str) {
- LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
- LLVMValueRef data = LLVMConstStringInContext(m->ctx,
- cast(char const *)str.text,
- cast(unsigned)str.len,
- false);
- char *name = nullptr;
- {
- isize max_len = 7+8+1;
- name = gb_alloc_array(permanent_allocator(), char, max_len);
- u32 id = cast(u32)gb_atomic32_fetch_add(&m->gen->global_array_index, 1);
- isize len = gb_snprintf(name, max_len, "csbs$%x", id);
- len -= 1;
- }
- LLVMValueRef global_data = LLVMAddGlobal(m->mod, LLVMTypeOf(data), name);
- LLVMSetInitializer(global_data, data);
- LLVMSetLinkage(global_data, LLVMInternalLinkage);
- LLVMValueRef ptr = nullptr;
- if (str.len != 0) {
- ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
- } else {
- ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
- }
- LLVMValueRef len = LLVMConstInt(lb_type(m, t_int), str.len, true);
- LLVMValueRef values[2] = {ptr, len};
- lbValue res = {};
- res.value = llvm_const_named_struct(lb_type(m, t_u8_slice), values, 2);
- res.type = t_u8_slice;
- return res;
- }
- lbValue lb_find_ident(lbProcedure *p, lbModule *m, Entity *e, Ast *expr) {
- auto *found = map_get(&m->values, hash_entity(e));
- if (found) {
- auto v = *found;
- // NOTE(bill): This is because pointers are already pointers in LLVM
- if (is_type_proc(v.type)) {
- return v;
- }
- return lb_emit_load(p, v);
- } else if (e != nullptr && e->kind == Entity_Variable) {
- return lb_addr_load(p, lb_build_addr(p, expr));
- }
- if (e->kind == Entity_Procedure) {
- return lb_find_procedure_value_from_entity(m, e);
- }
- if (USE_SEPARATE_MODULES) {
- lbModule *other_module = lb_pkg_module(m->gen, e->pkg);
- if (other_module != m) {
- String name = lb_get_entity_name(other_module, e);
- lb_set_entity_from_other_modules_linkage_correctly(other_module, e, name);
- lbValue g = {};
- g.value = LLVMAddGlobal(m->mod, lb_type(m, e->type), alloc_cstring(permanent_allocator(), name));
- g.type = alloc_type_pointer(e->type);
- LLVMSetLinkage(g.value, LLVMExternalLinkage);
- lb_add_entity(m, e, g);
- lb_add_member(m, name, g);
- return lb_emit_load(p, g);
- }
- }
- String pkg = {};
- if (e->pkg) {
- pkg = e->pkg->name;
- }
- gb_printf_err("Error in: %s\n", token_pos_to_string(ast_token(expr).pos));
- GB_PANIC("nullptr value for expression from identifier: %.*s.%.*s (%p) : %s @ %p", LIT(pkg), LIT(e->token.string), e, type_to_string(e->type), expr);
- return {};
- }
- lbValue lb_find_procedure_value_from_entity(lbModule *m, Entity *e) {
- GB_ASSERT(is_type_proc(e->type));
- e = strip_entity_wrapping(e);
- GB_ASSERT(e != nullptr);
- auto *found = map_get(&m->values, hash_entity(e));
- if (found) {
- return *found;
- }
- bool ignore_body = false;
- lbModule *other_module = m;
- if (USE_SEPARATE_MODULES) {
- other_module = lb_pkg_module(m->gen, e->pkg);
- }
- if (other_module == m) {
- debugf("Missing Procedure (lb_find_procedure_value_from_entity): %.*s\n", LIT(e->token.string));
- }
- ignore_body = other_module != m;
- lbProcedure *missing_proc = lb_create_procedure(m, e, ignore_body);
- if (!ignore_body) {
- array_add(&m->missing_procedures_to_check, missing_proc);
- }
- found = map_get(&m->values, hash_entity(e));
- if (found) {
- return *found;
- }
- GB_PANIC("Error in: %s, missing procedure %.*s\n", token_pos_to_string(e->token.pos), LIT(e->token.string));
- return {};
- }
- lbAddr lb_add_global_generated(lbModule *m, Type *type, lbValue value) {
- GB_ASSERT(type != nullptr);
- type = default_type(type);
- isize max_len = 7+8+1;
- u8 *str = cast(u8 *)gb_alloc_array(permanent_allocator(), u8, max_len);
- u32 id = cast(u32)gb_atomic32_fetch_add(&m->gen->global_generated_index, 1);
- isize len = gb_snprintf(cast(char *)str, max_len, "ggv$%x", id);
- String name = make_string(str, len-1);
- Scope *scope = nullptr;
- Entity *e = alloc_entity_variable(scope, make_token_ident(name), type);
- lbValue g = {};
- g.type = alloc_type_pointer(type);
- g.value = LLVMAddGlobal(m->mod, lb_type(m, type), cast(char const *)str);
- if (value.value != nullptr) {
- GB_ASSERT_MSG(LLVMIsConstant(value.value), LLVMPrintValueToString(value.value));
- LLVMSetInitializer(g.value, value.value);
- } else {
- LLVMSetInitializer(g.value, LLVMConstNull(lb_type(m, type)));
- }
- lb_add_entity(m, e, g);
- lb_add_member(m, name, g);
- return lb_addr(g);
- }
- lbValue lb_find_runtime_value(lbModule *m, String const &name) {
- AstPackage *p = m->info->runtime_package;
- Entity *e = scope_lookup_current(p->scope, name);
- return lb_find_value_from_entity(m, e);
- }
- lbValue lb_find_package_value(lbModule *m, String const &pkg, String const &name) {
- Entity *e = find_entity_in_pkg(m->info, pkg, name);
- return lb_find_value_from_entity(m, e);
- }
- lbValue lb_generate_local_array(lbProcedure *p, Type *elem_type, i64 count, bool zero_init) {
- lbAddr addr = lb_add_local_generated(p, alloc_type_array(elem_type, count), zero_init);
- return lb_addr_get_ptr(p, addr);
- }
- lbValue lb_find_value_from_entity(lbModule *m, Entity *e) {
- e = strip_entity_wrapping(e);
- GB_ASSERT(e != nullptr);
- GB_ASSERT(e->token.string != "_");
- if (e->kind == Entity_Procedure) {
- return lb_find_procedure_value_from_entity(m, e);
- }
- auto *found = map_get(&m->values, hash_entity(e));
- if (found) {
- return *found;
- }
- if (USE_SEPARATE_MODULES) {
- lbModule *other_module = lb_pkg_module(m->gen, e->pkg);
- // TODO(bill): correct this logic
- bool is_external = other_module != m;
- if (!is_external) {
- if (e->code_gen_module != nullptr) {
- other_module = e->code_gen_module;
- } else {
- other_module = nullptr;
- }
- is_external = other_module != m;
- }
- if (is_external) {
- String name = lb_get_entity_name(other_module, e);
- lbValue g = {};
- g.value = LLVMAddGlobal(m->mod, lb_type(m, e->type), alloc_cstring(permanent_allocator(), name));
- g.type = alloc_type_pointer(e->type);
- lb_add_entity(m, e, g);
- lb_add_member(m, name, g);
- LLVMSetLinkage(g.value, LLVMExternalLinkage);
- lb_set_entity_from_other_modules_linkage_correctly(other_module, e, name);
- // LLVMSetLinkage(other_g.value, LLVMExternalLinkage);
- if (e->Variable.thread_local_model != "") {
- LLVMSetThreadLocal(g.value, true);
- String m = e->Variable.thread_local_model;
- LLVMThreadLocalMode mode = LLVMGeneralDynamicTLSModel;
- if (m == "default") {
- mode = LLVMGeneralDynamicTLSModel;
- } else if (m == "localdynamic") {
- mode = LLVMLocalDynamicTLSModel;
- } else if (m == "initialexec") {
- mode = LLVMInitialExecTLSModel;
- } else if (m == "localexec") {
- mode = LLVMLocalExecTLSModel;
- } else {
- GB_PANIC("Unhandled thread local mode %.*s", LIT(m));
- }
- LLVMSetThreadLocalMode(g.value, mode);
- }
- return g;
- }
- }
- GB_PANIC("\n\tError in: %s, missing value '%.*s'\n", token_pos_to_string(e->token.pos), LIT(e->token.string));
- return {};
- }
- lbValue lb_generate_global_array(lbModule *m, Type *elem_type, i64 count, String prefix, i64 id) {
- Token token = {Token_Ident};
- isize name_len = prefix.len + 1 + 20;
- auto suffix_id = cast(unsigned long long)id;
- char *text = gb_alloc_array(permanent_allocator(), char, name_len+1);
- gb_snprintf(text, name_len,
- "%.*s-%llu", LIT(prefix), suffix_id);
- text[name_len] = 0;
- String s = make_string_c(text);
- Type *t = alloc_type_array(elem_type, count);
- lbValue g = {};
- g.value = LLVMAddGlobal(m->mod, lb_type(m, t), text);
- g.type = alloc_type_pointer(t);
- LLVMSetInitializer(g.value, LLVMConstNull(lb_type(m, t)));
- LLVMSetLinkage(g.value, LLVMInternalLinkage);
- string_map_set(&m->members, s, g);
- return g;
- }
- lbValue lb_build_cond(lbProcedure *p, Ast *cond, lbBlock *true_block, lbBlock *false_block) {
- GB_ASSERT(cond != nullptr);
- GB_ASSERT(true_block != nullptr);
- GB_ASSERT(false_block != nullptr);
- switch (cond->kind) {
- case_ast_node(pe, ParenExpr, cond);
- return lb_build_cond(p, pe->expr, true_block, false_block);
- case_end;
- case_ast_node(ue, UnaryExpr, cond);
- if (ue->op.kind == Token_Not) {
- return lb_build_cond(p, ue->expr, false_block, true_block);
- }
- case_end;
- case_ast_node(be, BinaryExpr, cond);
- if (be->op.kind == Token_CmpAnd) {
- lbBlock *block = lb_create_block(p, "cmp.and");
- lb_build_cond(p, be->left, block, false_block);
- lb_start_block(p, block);
- return lb_build_cond(p, be->right, true_block, false_block);
- } else if (be->op.kind == Token_CmpOr) {
- lbBlock *block = lb_create_block(p, "cmp.or");
- lb_build_cond(p, be->left, true_block, block);
- lb_start_block(p, block);
- return lb_build_cond(p, be->right, true_block, false_block);
- }
- case_end;
- }
- lbValue v = {};
- if (lb_is_expr_untyped_const(cond)) {
- v = lb_expr_untyped_const_to_typed(p->module, cond, t_llvm_bool);
- } else {
- v = lb_build_expr(p, cond);
- }
- v = lb_emit_conv(p, v, t_llvm_bool);
- lb_emit_if(p, v, true_block, false_block);
- return v;
- }
- lbAddr lb_add_local(lbProcedure *p, Type *type, Entity *e, bool zero_init, i32 param_index, bool force_no_init) {
- GB_ASSERT(p->decl_block != p->curr_block);
- LLVMPositionBuilderAtEnd(p->builder, p->decl_block->block);
- char const *name = "";
- if (e != nullptr) {
- // name = alloc_cstring(permanent_allocator(), e->token.string);
- }
- LLVMTypeRef llvm_type = lb_type(p->module, type);
- LLVMValueRef ptr = LLVMBuildAlloca(p->builder, llvm_type, name);
- // unsigned alignment = 16; // TODO(bill): Make this configurable
- unsigned alignment = cast(unsigned)lb_alignof(llvm_type);
- LLVMSetAlignment(ptr, alignment);
- LLVMPositionBuilderAtEnd(p->builder, p->curr_block->block);
- if (!zero_init && !force_no_init) {
- // If there is any padding of any kind, just zero init regardless of zero_init parameter
- LLVMTypeKind kind = LLVMGetTypeKind(llvm_type);
- if (kind == LLVMStructTypeKind) {
- i64 sz = type_size_of(type);
- if (type_size_of_struct_pretend_is_packed(type) != sz) {
- zero_init = true;
- }
- } else if (kind == LLVMArrayTypeKind) {
- zero_init = true;
- }
- }
- if (zero_init) {
- lb_mem_zero_ptr(p, ptr, type, alignment);
- }
- lbValue val = {};
- val.value = ptr;
- val.type = alloc_type_pointer(type);
- if (e != nullptr) {
- lb_add_entity(p->module, e, val);
- lb_add_debug_local_variable(p, ptr, type, e->token);
- }
- return lb_addr(val);
- }
- lbAddr lb_add_local_generated(lbProcedure *p, Type *type, bool zero_init) {
- return lb_add_local(p, type, nullptr, zero_init);
- }
- lbAddr lb_add_local_generated_temp(lbProcedure *p, Type *type, i64 min_alignment) {
- lbAddr res = lb_add_local(p, type, nullptr, false, 0, true);
- lb_try_update_alignment(res.addr, cast(unsigned)min_alignment);
- return res;
- }
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