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Support any comparable type for map keys

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This commit is contained in:
gingerBill
2020-11-29 16:37:19 +00:00
parent b922398a96
commit 5ab7ec5b16
4 changed files with 214 additions and 28 deletions
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src/ir.cpp
+87 -9
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@@ -4967,7 +4967,7 @@ irValue *ir_get_equal_proc_for_type(irModule *m, Type *type) {
irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
Type *original_type = type;
type = base_type(type);
type = core_type(type);
Type *pt = alloc_type_pointer(type);
GB_ASSERT(is_type_valid_for_keys(type));
@@ -5006,14 +5006,92 @@ irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
if (type->kind == Type_Struct) {
type_set_offsets(type);
GB_ASSERT(is_type_simple_compare(type));
i64 sz = type_size_of(type);
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
args[1] = seed;
args[2] = ir_const_int(sz);
irValue *res = ir_emit_runtime_call(proc, "default_hasher_n", args);
ir_emit(proc, ir_instr_return(proc, res));
if (is_type_simple_compare(type)) {
i64 sz = type_size_of(type);
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
args[1] = seed;
args[2] = ir_const_int(sz);
irValue *res = ir_emit_runtime_call(proc, "default_hasher_n", args);
ir_emit(proc, ir_instr_return(proc, res));
} else {
data = ir_emit_conv(proc, data, t_u8_ptr);
auto args = array_make<irValue *>(permanent_allocator(), 2);
for_array(i, type->Struct.fields) {
i64 offset = type->Struct.offsets[i];
Entity *field = type->Struct.fields[i];
irValue *field_hasher = ir_get_hasher_proc_for_type(m, field->type);
irValue *ptr = ir_emit_ptr_offset(proc, data, ir_const_uintptr(offset));
args[0] = ptr;
args[1] = seed;
seed = ir_emit_call(proc, field_hasher, args);
}
ir_emit(proc, ir_instr_return(proc, seed));
}
} else if (type->kind == Type_Array) {
if (is_type_simple_compare(type)) {
i64 sz = type_size_of(type);
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
args[1] = seed;
args[2] = ir_const_int(sz);
irValue *res = ir_emit_runtime_call(proc, "default_hasher_n", args);
ir_emit(proc, ir_instr_return(proc, res));
} else {
irValue *pres = ir_add_local_generated(proc, t_uintptr, false);
ir_emit_store(proc, pres, seed);
auto args = array_make<irValue *>(permanent_allocator(), 2);
irValue *elem_hasher = ir_get_hasher_proc_for_type(m, type->Array.elem);
auto loop_data = ir_loop_start(proc, type->Array.count, t_i32);
data = ir_emit_conv(proc, data, pt);
irValue *ptr = ir_emit_array_ep(proc, data, loop_data.idx);
args[0] = ptr;
args[1] = ir_emit_load(proc, pres);
irValue *new_seed = ir_emit_call(proc, elem_hasher, args);
ir_emit_store(proc, pres, new_seed);
ir_loop_end(proc, loop_data);
irValue *res = ir_emit_load(proc, pres);
ir_emit(proc, ir_instr_return(proc, res));
}
} else if (type->kind == Type_EnumeratedArray) {
if (is_type_simple_compare(type)) {
i64 sz = type_size_of(type);
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
args[1] = seed;
args[2] = ir_const_int(sz);
irValue *res = ir_emit_runtime_call(proc, "default_hasher_n", args);
ir_emit(proc, ir_instr_return(proc, res));
} else {
irValue *pres = ir_add_local_generated(proc, t_uintptr, false);
ir_emit_store(proc, pres, seed);
auto args = array_make<irValue *>(permanent_allocator(), 2);
irValue *elem_hasher = ir_get_hasher_proc_for_type(m, type->Array.elem);
auto loop_data = ir_loop_start(proc, type->Array.count, t_i32);
data = ir_emit_conv(proc, data, pt);
irValue *ptr = ir_emit_array_ep(proc, data, loop_data.idx);
args[0] = ptr;
args[1] = ir_emit_load(proc, pres);
irValue *new_seed = ir_emit_call(proc, elem_hasher, args);
ir_emit_store(proc, pres, new_seed);
ir_loop_end(proc, loop_data);
irValue *res = ir_emit_load(proc, pres);
ir_emit(proc, ir_instr_return(proc, res));
}
} else if (is_type_cstring(type)) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;