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Begin reording of struct members by default.

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This commit is contained in:
Ginger Bill
2016-09-09 23:33:54 +01:00
parent 1ca752ce04
commit 6979678ff9
13 changed files with 322 additions and 111 deletions
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115
src/codegen/codegen.cpp
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@@ -179,16 +179,25 @@ void ssa_gen_tree(ssaGen *s) {
}
{ // NOTE(bill): Setup type_info data
ssaValue **found = map_get(&proc->module->members, hash_string(make_string("__type_info_data")));
ssaValue *type_info_data = NULL;
ssaValue *type_info_member_data = NULL;
ssaValue **found = NULL;
found = map_get(&proc->module->members, hash_string(make_string("__type_info_data")));
GB_ASSERT(found != NULL);
ssaValue *type_info_data = *found;
type_info_data = *found;
found = map_get(&proc->module->members, hash_string(make_string("__type_info_member_data")));
GB_ASSERT(found != NULL);
type_info_member_data = *found;
CheckerInfo *info = proc->module->info;
Type *t_int_ptr = make_type_pointer(a, t_int);
Type *t_bool_ptr = make_type_pointer(a, t_bool);
Type *t_string_ptr = make_type_pointer(a, t_string);
Type *t_type_info_ptr_ptr = make_type_pointer(a, t_type_info_ptr);
// Useful types
Type *t_int_ptr = make_type_pointer(a, t_int);
Type *t_bool_ptr = make_type_pointer(a, t_bool);
Type *t_string_ptr = make_type_pointer(a, t_string);
Type *t_type_info_ptr_ptr = make_type_pointer(a, t_type_info_ptr);
auto get_type_info_ptr = [](ssaProcedure *proc, ssaValue *type_info_data, Type *type) -> ssaValue * {
@@ -197,6 +206,15 @@ void ssa_gen_tree(ssaGen *s) {
t_type_info_ptr);
};
isize type_info_member_index = 0;
auto type_info_member_offset = [](ssaProcedure *proc, ssaValue *data, isize count, isize *index) -> ssaValue * {
ssaValue *offset = ssa_emit_struct_gep(proc, data, *index, t_type_info_member_ptr);
*index += count;
return offset;
};
gb_for_array(entry_index, info->type_info_map.entries) {
auto *entry = &info->type_info_map.entries[entry_index];
Type *t = cast(Type *)cast(uintptr)entry->key.key;
@@ -207,7 +225,9 @@ void ssa_gen_tree(ssaGen *s) {
case Type_Named: {
tag = ssa_add_local_generated(proc, t_type_info_named);
ssaValue *gsa = ssa_add_global_string_array(proc, make_exact_value_string(t->Named.name));
// TODO(bill): Which is better? The mangled name or actual name?
// ssaValue *gsa = ssa_add_global_string_array(proc, make_exact_value_string(t->Named.name));
ssaValue *gsa = ssa_add_global_string_array(proc, make_exact_value_string(t->Named.type_name->token.string));
ssaValue *elem = ssa_array_elem(proc, gsa);
ssaValue *len = ssa_array_len(proc, ssa_emit_load(proc, gsa));
ssaValue *name = ssa_emit_string(proc, elem, len);
@@ -303,16 +323,10 @@ void ssa_gen_tree(ssaGen *s) {
} break;
case Type_Record: {
switch (t->Record.kind) {
// TODO(bill): Record members for `Type_Info`
case TypeRecord_Struct: {
tag = ssa_add_local_generated(proc, t_type_info_struct);
ssaValue **args = gb_alloc_array(a, ssaValue *, 1);
isize element_size = type_size_of(m->sizes, a, t_type_info_member);
isize allocation_size = t->Record.field_count * element_size;
ssaValue *size = ssa_make_value_constant(a, t_int, make_exact_value_integer(allocation_size));
args[0] = size;
ssaValue *memory = ssa_emit_global_call(proc, "alloc", args, 1);
memory = ssa_emit_conv(proc, memory, t_type_info_member_ptr);
ssaValue *memory = type_info_member_offset(proc, type_info_member_data, t->Record.field_count, &type_info_member_index);
type_set_offsets(m->sizes, a, t); // NOTE(bill): Just incase the offsets have not been set yet
for (isize i = 0; i < t->Record.field_count; i++) {
@@ -325,7 +339,9 @@ void ssa_gen_tree(ssaGen *s) {
ssaValue *tip = get_type_info_ptr(proc, type_info_data, f->type);
i64 foffset = t->Record.struct_offsets[i];
ssa_emit_store(proc, name, ssa_emit_global_string(proc, make_exact_value_string(f->token.string)));
if (f->token.string.len > 0) {
ssa_emit_store(proc, name, ssa_emit_global_string(proc, make_exact_value_string(f->token.string)));
}
ssa_emit_store(proc, type_info, tip);
ssa_emit_store(proc, offset, ssa_make_value_constant(a, t_int, make_exact_value_integer(foffset)));
}
@@ -348,13 +364,8 @@ void ssa_gen_tree(ssaGen *s) {
break;
case TypeRecord_RawUnion: {
tag = ssa_add_local_generated(proc, t_type_info_raw_union);
ssaValue **args = gb_alloc_array(a, ssaValue *, 1);
isize element_size = type_size_of(m->sizes, a, t_type_info_member);
isize allocation_size = t->Record.field_count * element_size;
ssaValue *size = ssa_make_value_constant(a, t_int, make_exact_value_integer(allocation_size));
args[0] = size;
ssaValue *memory = ssa_emit_global_call(proc, "alloc", args, 1);
memory = ssa_emit_conv(proc, memory, t_type_info_member_ptr);
ssaValue *memory = type_info_member_offset(proc, type_info_member_data, t->Record.field_count, &type_info_member_index);
for (isize i = 0; i < t->Record.field_count; i++) {
ssaValue *field = ssa_emit_ptr_offset(proc, memory, ssa_make_value_constant(a, t_int, make_exact_value_integer(i)));
@@ -365,7 +376,9 @@ void ssa_gen_tree(ssaGen *s) {
Entity *f = t->Record.fields[i];
ssaValue *tip = get_type_info_ptr(proc, type_info_data, f->type);
ssa_emit_store(proc, name, ssa_emit_global_string(proc, make_exact_value_string(f->token.string)));
if (f->token.string.len > 0) {
ssa_emit_store(proc, name, ssa_emit_global_string(proc, make_exact_value_string(f->token.string)));
}
ssa_emit_store(proc, type_info, tip);
ssa_emit_store(proc, offset, ssa_make_value_constant(a, t_int, make_exact_value_integer(0)));
}
@@ -395,12 +408,54 @@ void ssa_gen_tree(ssaGen *s) {
}
} break;
case Type_Tuple:
// TODO(bill): Type_Info for tuples
break;
case Type_Proc:
case Type_Tuple: {
tag = ssa_add_local_generated(proc, t_type_info_tuple);
ssaValue *memory = type_info_member_offset(proc, type_info_member_data, t->Tuple.variable_count, &type_info_member_index);
for (isize i = 0; i < t->Tuple.variable_count; i++) {
ssaValue *field = ssa_emit_ptr_offset(proc, memory, ssa_make_value_constant(a, t_int, make_exact_value_integer(i)));
ssaValue *name = ssa_emit_struct_gep(proc, field, v_zero32, t_string_ptr);
ssaValue *type_info = ssa_emit_struct_gep(proc, field, v_one32, t_type_info_ptr_ptr);
// NOTE(bill): offset is not used for tuples
Entity *f = t->Tuple.variables[i];
ssaValue *tip = get_type_info_ptr(proc, type_info_data, f->type);
if (f->token.string.len > 0) {
ssa_emit_store(proc, name, ssa_emit_global_string(proc, make_exact_value_string(f->token.string)));
}
ssa_emit_store(proc, type_info, tip);
}
Type *slice_type = make_type_slice(a, t_type_info_member);
Type *slice_type_ptr = make_type_pointer(a, slice_type);
ssaValue *slice = ssa_emit_struct_gep(proc, tag, v_zero32, slice_type_ptr);
ssaValue *variable_count = ssa_make_value_constant(a, t_int, make_exact_value_integer(t->Tuple.variable_count));
ssaValue *elem = ssa_emit_struct_gep(proc, slice, v_zero32, make_type_pointer(a, t_type_info_member_ptr));
ssaValue *len = ssa_emit_struct_gep(proc, slice, v_one32, make_type_pointer(a, t_int_ptr));
ssaValue *cap = ssa_emit_struct_gep(proc, slice, v_two32, make_type_pointer(a, t_int_ptr));
ssa_emit_store(proc, elem, memory);
ssa_emit_store(proc, len, variable_count);
ssa_emit_store(proc, cap, variable_count);
} break;
case Type_Proc: {
tag = ssa_add_local_generated(proc, t_type_info_procedure);
ssaValue *params = ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr);
ssaValue *results = ssa_emit_struct_gep(proc, tag, v_one32, t_type_info_ptr_ptr);
ssaValue *variadic = ssa_emit_struct_gep(proc, tag, v_two32, t_bool_ptr);
ssa_emit_store(proc, params, get_type_info_ptr(proc, type_info_data, t->Proc.params));
ssa_emit_store(proc, results, get_type_info_ptr(proc, type_info_data, t->Proc.results));
ssa_emit_store(proc, variadic, ssa_make_value_constant(a, t_bool, make_exact_value_bool(t->Proc.variadic)));
// TODO(bill): Type_Info for procedures
break;
} break;
}
if (tag != NULL) {