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Simplify simple compare hasher code

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This commit is contained in:
gingerBill
2020-11-29 17:58:54 +00:00
parent 5ab7ec5b16
commit 9e13416312
2 changed files with 152 additions and 188 deletions
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src/ir.cpp
+75 -89
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@@ -4965,6 +4965,32 @@ irValue *ir_get_equal_proc_for_type(irModule *m, Type *type) {
}
irValue *ir_simple_compare_hash(irProcedure *p, Type *type, irValue *data, irValue *seed) {
GB_ASSERT_MSG(is_type_simple_compare(type), "%s", type_to_string(type));
i64 sz = type_size_of(type);
char const *name = nullptr;
switch (sz) {
case 1: name = "default_hasher1"; break;
case 2: name = "default_hasher2"; break;
case 4: name = "default_hasher4"; break;
case 8: name = "default_hasher8"; break;
case 16: name = "default_hasher16"; break;
}
if (name != nullptr) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
return ir_emit_runtime_call(p, name, args);
}
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
args[1] = seed;
args[2] = ir_const_int(type_size_of(type));
return ir_emit_runtime_call(p, "default_hasher_n", args);
}
irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
Type *original_type = type;
type = core_type(type);
@@ -4998,100 +5024,78 @@ irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
proc->is_startup = true;
proc->ignore_dead_instr = true;
ir_begin_procedure_body(proc);
defer (ir_end_procedure_body(proc));
// ir_start_block(proc, proc->decl_block);
GB_ASSERT(proc->curr_block != nullptr);
irValue *data = proc->params[0];
irValue *seed = proc->params[1];
if (is_type_simple_compare(type)) {
irValue *res = ir_simple_compare_hash(proc, type, data, seed);
ir_emit(proc, ir_instr_return(proc, res));
return p;
}
if (type->kind == Type_Struct) {
type_set_offsets(type);
if (is_type_simple_compare(type)) {
i64 sz = type_size_of(type);
auto args = array_make<irValue *>(permanent_allocator(), 3);
args[0] = data;
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;
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));
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);
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 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);
auto loop_data = ir_loop_start(proc, type->Array.count, t_i32);
data = ir_emit_conv(proc, data, pt);
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);
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);
ir_loop_end(proc, loop_data);
irValue *res = ir_emit_load(proc, pres);
ir_emit(proc, ir_instr_return(proc, res));
}
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);
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 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);
auto loop_data = ir_loop_start(proc, type->Array.count, t_i32);
data = ir_emit_conv(proc, data, pt);
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);
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);
ir_loop_end(proc, loop_data);
irValue *res = ir_emit_load(proc, pres);
ir_emit(proc, ir_instr_return(proc, res));
}
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;
@@ -5105,25 +5109,7 @@ irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
irValue *res = ir_emit_runtime_call(proc, "default_hasher_string", args);
ir_emit(proc, ir_instr_return(proc, res));
} else {
GB_ASSERT_MSG(is_type_simple_compare(type), "%s", type_to_string(type));
i64 sz = type_size_of(type);
char const *name = nullptr;
switch (sz) {
case 1: name = "default_hasher1"; break;
case 2: name = "default_hasher2"; break;
case 4: name = "default_hasher4"; break;
case 8: name = "default_hasher8"; break;
case 16: name = "default_hasher16"; break;
default: GB_PANIC("unhandled hasher for key type: %s", type_to_string(type));
}
GB_ASSERT(name != nullptr);
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
irValue *res = ir_emit_runtime_call(proc, name, args);
ir_emit(proc, ir_instr_return(proc, res));
GB_PANIC("Unhandled type for hasher: %s", type_to_string(type));
}