diff options
Diffstat (limited to 'src/llvm_backend_general.cpp')
| -rw-r--r-- | src/llvm_backend_general.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp index 3ce0c725f..d84b8302b 100644 --- a/src/llvm_backend_general.cpp +++ b/src/llvm_backend_general.cpp @@ -85,6 +85,7 @@ gb_internal void lb_init_module(lbModule *m, Checker *c) { string_map_init(&m->members); string_map_init(&m->procedures); string_map_init(&m->const_strings); + string16_map_init(&m->const_string16s); map_init(&m->function_type_map); string_map_init(&m->gen_procs); if (USE_SEPARATE_MODULES) { @@ -1812,6 +1813,37 @@ gb_internal LLVMTypeRef lb_type_internal(lbModule *m, Type *type) { return type; } case Basic_cstring: return LLVMPointerType(LLVMInt8TypeInContext(ctx), 0); + + + case Basic_string16: + { + char const *name = "..string16"; + LLVMTypeRef type = LLVMGetTypeByName(m->mod, name); + if (type != nullptr) { + return type; + } + type = LLVMStructCreateNamed(ctx, name); + + if (build_context.metrics.ptr_size < build_context.metrics.int_size) { + GB_ASSERT(build_context.metrics.ptr_size == 4); + GB_ASSERT(build_context.metrics.int_size == 8); + LLVMTypeRef fields[3] = { + LLVMPointerType(lb_type(m, t_u16), 0), + lb_type(m, t_i32), + lb_type(m, t_int), + }; + LLVMStructSetBody(type, fields, 3, false); + } else { + LLVMTypeRef fields[2] = { + LLVMPointerType(lb_type(m, t_u16), 0), + lb_type(m, t_int), + }; + LLVMStructSetBody(type, fields, 2, false); + } + return type; + } + case Basic_cstring16: return LLVMPointerType(LLVMInt16TypeInContext(ctx), 0); + case Basic_any: { char const *name = "..any"; @@ -2684,6 +2716,57 @@ gb_internal LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String co } } +gb_internal LLVMValueRef lb_find_or_add_entity_string16_ptr(lbModule *m, String16 const &str, bool custom_link_section) { + String16HashKey key = {}; + LLVMValueRef *found = nullptr; + + if (!custom_link_section) { + key = string_hash_string(str); + found = string16_map_get(&m->const_string16s, key); + } + if (found != nullptr) { + return *found; + } + + + + LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)}; + + LLVMValueRef data = nullptr; + { + LLVMTypeRef llvm_u16 = LLVMInt16TypeInContext(m->ctx); + + TEMPORARY_ALLOCATOR_GUARD(); + + LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, str.len+1); + + for (isize i = 0; i < str.len; i++) { + values[i] = LLVMConstInt(llvm_u16, str.text[i], false); + } + values[str.len] = LLVMConstInt(llvm_u16, 0, false); + + data = LLVMConstArray(llvm_u16, values, cast(unsigned)(str.len+1)); + } + + + u32 id = m->global_array_index.fetch_add(1); + gbString name = gb_string_make(temporary_allocator(), "csbs$"); + name = gb_string_appendc(name, m->module_name); + name = gb_string_append_fmt(name, "$%x", id); + + LLVMTypeRef type = LLVMTypeOf(data); + LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name); + LLVMSetInitializer(global_data, data); + lb_make_global_private_const(global_data); + LLVMSetAlignment(global_data, 2); + + LLVMValueRef ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2); + if (!custom_link_section) { + string16_map_set(&m->const_string16s, key, ptr); + } + return ptr; +} + gb_internal lbValue lb_find_or_add_entity_string(lbModule *m, String const &str, bool custom_link_section) { LLVMValueRef ptr = nullptr; if (str.len != 0) { @@ -2744,6 +2827,60 @@ gb_internal lbValue lb_find_or_add_entity_string_byte_slice_with_type(lbModule * return res; } +gb_internal lbValue lb_find_or_add_entity_string16_slice_with_type(lbModule *m, String16 const &str, Type *slice_type) { + GB_ASSERT(is_type_slice(slice_type)); + LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)}; + LLVMValueRef data = nullptr; + { + LLVMTypeRef llvm_u16 = LLVMInt16TypeInContext(m->ctx); + + TEMPORARY_ALLOCATOR_GUARD(); + + LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, str.len+1); + + for (isize i = 0; i < str.len; i++) { + values[i] = LLVMConstInt(llvm_u16, str.text[i], false); + } + values[str.len] = LLVMConstInt(llvm_u16, 0, false); + + data = LLVMConstArray(llvm_u16, values, cast(unsigned)(str.len+1)); + } + + u32 id = m->global_array_index.fetch_add(1); + gbString name = gb_string_make(temporary_allocator(), "csba$"); + name = gb_string_appendc(name, m->module_name); + name = gb_string_append_fmt(name, "$%x", id); + + LLVMTypeRef type = LLVMTypeOf(data); + LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name); + LLVMSetInitializer(global_data, data); + lb_make_global_private_const(global_data); + LLVMSetAlignment(global_data, 2); + + i64 data_len = str.len; + LLVMValueRef ptr = nullptr; + if (data_len != 0) { + ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2); + } else { + ptr = LLVMConstNull(lb_type(m, t_u8_ptr)); + } + if (!is_type_u16_slice(slice_type)) { + Type *bt = base_type(slice_type); + Type *elem = bt->Slice.elem; + i64 sz = type_size_of(elem); + GB_ASSERT(sz > 0); + ptr = LLVMConstPointerCast(ptr, lb_type(m, alloc_type_pointer(elem))); + data_len /= sz; + } + + LLVMValueRef len = LLVMConstInt(lb_type(m, t_int), data_len, true); + LLVMValueRef values[2] = {ptr, len}; + + lbValue res = {}; + res.value = llvm_const_named_struct(m, slice_type, values, 2); + res.type = slice_type; + return res; +} gb_internal lbValue lb_find_ident(lbProcedure *p, lbModule *m, Entity *e, Ast *expr) { |