Files
Odin/src/ir_print.cpp
2017-07-13 22:35:00 +01:00

1854 lines
50 KiB
C++

struct irFileBuffer {
gbVirtualMemory vm;
isize offset;
gbFile * output;
};
void ir_file_buffer_init(irFileBuffer *f, gbFile *output) {
isize size = 8*gb_virtual_memory_page_size(nullptr);
f->vm = gb_vm_alloc(nullptr, size);
f->offset = 0;
f->output = output;
}
void ir_file_buffer_destroy(irFileBuffer *f) {
if (f->offset > 0) {
// NOTE(bill): finish writing buffered data
gb_file_write(f->output, f->vm.data, f->offset);
}
gb_vm_free(f->vm);
}
void ir_file_buffer_write(irFileBuffer *f, void *data, isize len) {
if (len > f->vm.size) {
gb_file_write(f->output, data, len);
return;
}
if ((f->vm.size - f->offset) < len) {
gb_file_write(f->output, f->vm.data, f->offset);
f->offset = 0;
}
u8 *cursor = cast(u8 *)f->vm.data + f->offset;
gb_memmove(cursor, data, len);
f->offset += len;
}
void ir_fprintf(irFileBuffer *f, char *fmt, ...) {
va_list va;
va_start(va, fmt);
char buf[4096] = {};
isize len = gb_snprintf_va(buf, gb_size_of(buf), fmt, va);
ir_file_buffer_write(f, buf, len-1);
va_end(va);
}
void ir_fprint_string(irFileBuffer *f, String s) {
ir_file_buffer_write(f, s.text, s.len);
}
void ir_fprint_i128(irFileBuffer *f, i128 i) {
char buf[200] = {};
String str = i128_to_string(i, buf, gb_size_of(buf)-1);
ir_fprint_string(f, str);
}
void ir_file_write(irFileBuffer *f, void *data, isize len) {
ir_file_buffer_write(f, data, len);
}
bool ir_valid_char(u8 c) {
if (c >= 0x80) {
return false;
}
if (gb_char_is_alphanumeric(c)) {
return true;
}
switch (c) {
case '$':
case '-':
case '.':
case '_':
return true;
}
return false;
}
void ir_print_escape_string(irFileBuffer *f, String name, bool print_quotes, bool prefix_with_dot) {
isize extra = 0;
for (isize i = 0; i < name.len; i++) {
u8 c = name[i];
if (!ir_valid_char(c)) {
extra += 2;
}
}
if (extra == 0) {
ir_fprintf(f, "%.*s", LIT(name));
return;
}
char hex_table[] = "0123456789ABCDEF";
isize buf_len = name.len + extra + 2 + 1;
gbTempArenaMemory tmp = gb_temp_arena_memory_begin(&string_buffer_arena);
u8 *buf = gb_alloc_array(string_buffer_allocator, u8, buf_len);
isize j = 0;
if (print_quotes) {
buf[j++] = '"';
}
if (prefix_with_dot) {
buf[j++] = '.';
}
for (isize i = 0; i < name.len; i++) {
u8 c = name[i];
if (ir_valid_char(c)) {
buf[j++] = c;
} else {
buf[j] = '\\';
buf[j+1] = hex_table[c >> 4];
buf[j+2] = hex_table[c & 0x0f];
j += 3;
}
}
if (print_quotes) {
buf[j++] = '"';
}
ir_file_write(f, buf, j);
gb_temp_arena_memory_end(tmp);
}
void ir_print_encoded_local(irFileBuffer *f, String name) {
ir_fprintf(f, "%%");
ir_print_escape_string(f, name, true, false);
}
void ir_print_encoded_global(irFileBuffer *f, String name, bool remove_prefix) {
ir_fprintf(f, "@");
ir_print_escape_string(f, name, true, !remove_prefix);
}
void ir_print_type(irFileBuffer *f, irModule *m, Type *t);
void ir_print_proc_results(irFileBuffer *f, irModule *m, Type *t) {
GB_ASSERT(is_type_proc(t));
t = base_type(t);
isize result_count = t->Proc.result_count;
if (result_count == 0 || t->Proc.return_by_pointer) {
ir_fprintf(f, "void");
} else {
Type *rt = t->Proc.abi_compat_result_type;
if (!is_type_tuple(rt)) {
ir_print_type(f, m, rt);
} else if (rt->Tuple.variable_count == 1) {
ir_print_type(f, m, rt->Tuple.variables[0]->type);
} else {
isize count = rt->Tuple.variable_count;
ir_fprintf(f, "{");
for (isize i = 0; i < count; i++) {
Entity *e = rt->Tuple.variables[i];
if (i > 0) {
ir_fprintf(f, ", ");
}
ir_print_type(f, m, e->type);
}
ir_fprintf(f, "}");
}
}
}
void ir_print_proc_type_without_pointer(irFileBuffer *f, irModule *m, Type *t) {
i64 word_bits = 8*build_context.word_size;
t = base_type(t);
GB_ASSERT(is_type_proc(t));
isize param_count = t->Proc.param_count;
isize result_count = t->Proc.result_count;
ir_print_proc_results(f, m, t);
ir_fprintf(f, " (");
if (t->Proc.return_by_pointer) {
ir_print_type(f, m, reduce_tuple_to_single_type(t->Proc.results));
ir_fprintf(f, "* sret noalias ");
if (param_count > 0) {
ir_fprintf(f, ", ");
}
}
isize param_index = 0;
for (isize i = 0; i < param_count; i++) {
Entity *e = t->Proc.params->Tuple.variables[i];
if (e->kind != Entity_Variable) continue;
if (param_index > 0) ir_fprintf(f, ", ");
if (i+1 == param_count && t->Proc.c_vararg) {
ir_fprintf(f, "...");
} else {
ir_print_type(f, m, t->Proc.abi_compat_params[i]);
}
param_index++;
}
if (t->Proc.calling_convention == ProcCC_Odin) {
if (param_index > 0) ir_fprintf(f, ", ");
ir_print_type(f, m, t_context_ptr);
}
ir_fprintf(f, ")");
}
void ir_print_type(irFileBuffer *f, irModule *m, Type *t) {
i64 word_bits = 8*build_context.word_size;
GB_ASSERT_NOT_NULL(t);
t = default_type(t);
GB_ASSERT(is_type_typed(t));
switch (t->kind) {
case Type_Basic:
switch (t->Basic.kind) {
case Basic_bool: ir_fprintf(f, "i1"); return;
case Basic_i8: ir_fprintf(f, "i8"); return;
case Basic_u8: ir_fprintf(f, "i8"); return;
case Basic_i16: ir_fprintf(f, "i16"); return;
case Basic_u16: ir_fprintf(f, "i16"); return;
case Basic_i32: ir_fprintf(f, "i32"); return;
case Basic_u32: ir_fprintf(f, "i32"); return;
case Basic_i64: ir_fprintf(f, "i64"); return;
case Basic_u64: ir_fprintf(f, "i64"); return;
case Basic_i128: ir_fprintf(f, "i128"); return;
case Basic_u128: ir_fprintf(f, "i128"); return;
case Basic_rune: ir_fprintf(f, "i32"); return;
// case Basic_f16: ir_fprintf(f, "half"); return;
case Basic_f32: ir_fprintf(f, "float"); return;
case Basic_f64: ir_fprintf(f, "double"); return;
// case Basic_complex32: ir_fprintf(f, "%%..complex32"); return;
case Basic_complex64: ir_fprintf(f, "%%..complex64"); return;
case Basic_complex128: ir_fprintf(f, "%%..complex128"); return;
case Basic_rawptr: ir_fprintf(f, "%%..rawptr"); return;
case Basic_string: ir_fprintf(f, "%%..string"); return;
case Basic_uint: ir_fprintf(f, "i%lld", word_bits); return;
case Basic_int: ir_fprintf(f, "i%lld", word_bits); return;
case Basic_any: ir_fprintf(f, "%%..any"); return;
}
break;
case Type_Pointer:
ir_print_type(f, m, t->Pointer.elem);
ir_fprintf(f, "*");
return;
case Type_Atomic:
ir_print_type(f, m, t->Atomic.elem);
return;
case Type_Array:
ir_fprintf(f, "[%lld x ", t->Array.count);
ir_print_type(f, m, t->Array.elem);
ir_fprintf(f, "]");
return;
case Type_Vector: {
i64 align = type_align_of(heap_allocator(), t);
i64 count = t->Vector.count;
ir_fprintf(f, "{[0 x <%lld x i8>], [%lld x ", align, count);
ir_print_type(f, m, t->Vector.elem);
ir_fprintf(f, "]}");
return;
}
case Type_Slice:
ir_fprintf(f, "{");
ir_print_type(f, m, t->Slice.elem);
ir_fprintf(f, "*, i%lld, i%lld}", word_bits, word_bits);
return;
case Type_DynamicArray:
ir_fprintf(f, "{");
ir_print_type(f, m, t->DynamicArray.elem);
ir_fprintf(f, "*, i%lld, i%lld,", word_bits, word_bits);
ir_print_type(f, m, t_allocator);
ir_fprintf(f, "}");
return;
case Type_Enum:
ir_print_type(f, m, base_enum_type(t));
return;
case Type_Union: {
// 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(heap_allocator(), t);
i64 total_size = type_size_of(heap_allocator(), t);
#if 1
i64 block_size = t->Union.variant_block_size;
ir_fprintf(f, "{[0 x <%lld x i8>], ", align);
ir_fprintf(f, "[%lld x i8], ", block_size);
ir_fprintf(f, "i%lld}", word_bits);
#else
i64 block_size = total_size - build_context.word_size;
ir_fprintf(f, "{[0 x <%lld x i8>], [%lld x i8], i%lld}", align, block_size, word_bits);
#endif
} return;
case Type_Record: {
switch (t->Record.kind) {
case TypeRecord_Struct:
if (t->Record.is_packed) {
ir_fprintf(f, "<");
}
ir_fprintf(f, "{");
if (t->Record.custom_align > 0) {
ir_fprintf(f, "[0 x <%lld x i8>]", t->Record.custom_align);
if (t->Record.field_count > 0) {
ir_fprintf(f, ", ");
}
}
for (isize i = 0; i < t->Record.field_count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
ir_print_type(f, m, t->Record.fields[i]->type);
}
ir_fprintf(f, "}");
if (t->Record.is_packed) {
ir_fprintf(f, ">");
}
return;
case TypeRecord_RawUnion: {
// 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 size_of_union = type_size_of(heap_allocator(), t);
i64 align_of_union = type_align_of(heap_allocator(), t);
ir_fprintf(f, "{[0 x <%lld x i8>], [%lld x i8]}", align_of_union, size_of_union);
} return;
}
} break;
case Type_Named:
if (is_type_struct(t) || is_type_union(t)) {
String *name = map_get(&m->entity_names, hash_pointer(t->Named.type_name));
GB_ASSERT_MSG(name != nullptr, "%.*s %p", LIT(t->Named.name), t->Named.type_name);
ir_print_encoded_local(f, *name);
} else {
ir_print_type(f, m, base_type(t));
}
return;
case Type_Tuple:
if (t->Tuple.variable_count == 1) {
ir_print_type(f, m, t->Tuple.variables[0]->type);
} else {
ir_fprintf(f, "{");
isize index = 0;
for (isize i = 0; i < t->Tuple.variable_count; i++) {
if (index > 0) {
ir_fprintf(f, ", ");
}
Entity *e = t->Tuple.variables[i];
if (e->kind == Entity_Variable) {
ir_print_type(f, m, e->type);
index++;
}
}
ir_fprintf(f, "}");
}
return;
case Type_Proc: {
ir_print_proc_type_without_pointer(f, m, t);
ir_fprintf(f, "*");
} return;
case Type_Map: {
GB_ASSERT(t->Map.generated_struct_type != nullptr);
ir_print_type(f, m, t->Map.generated_struct_type);
} break;
case Type_BitField: {
i64 align = type_align_of(heap_allocator(), t);
i64 size = type_size_of(heap_allocator(), t);
ir_fprintf(f, "{[0 x <%lld x i8>], [%lld x i8]}", align, size);
} break;
}
}
void ir_print_exact_value(irFileBuffer *f, irModule *m, ExactValue value, Type *type);
void ir_print_compound_element(irFileBuffer *f, irModule *m, ExactValue v, Type *elem_type) {
ir_print_type(f, m, elem_type);
ir_fprintf(f, " ");
if (v.kind == ExactValue_Invalid || base_type(elem_type) == t_any) {
ir_fprintf(f, "zeroinitializer");
} else {
ir_print_exact_value(f, m, v, elem_type);
}
}
void ir_print_exact_value(irFileBuffer *f, irModule *m, ExactValue value, Type *type) {
type = core_type(type);
value = convert_exact_value_for_type(value, type);
switch (value.kind) {
case ExactValue_Bool:
ir_fprintf(f, "%s", (value.value_bool ? "true" : "false"));
break;
case ExactValue_String: {
String str = value.value_string;
if (str.len == 0) {
ir_fprintf(f, "zeroinitializer");
break;
}
if (!is_type_string(type)) {
GB_ASSERT(is_type_array(type));
ir_fprintf(f, "c\"");
ir_print_escape_string(f, str, false, false);
ir_fprintf(f, "\\00\"");
} else {
// HACK NOTE(bill): This is a hack but it works because strings are created at the very end
// of the .ll file
irValue *str_array = ir_add_global_string_array(m, str);
ir_fprintf(f, "{i8* getelementptr inbounds (");
ir_print_type(f, m, str_array->Global.entity->type);
ir_fprintf(f, ", ");
ir_print_type(f, m, str_array->Global.entity->type);
ir_fprintf(f, "* ");
ir_print_encoded_global(f, str_array->Global.entity->token.string, false);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, i32 0), ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " %lld}", cast(i64)str.len);
}
} break;
case ExactValue_Integer: {
if (is_type_pointer(type)) {
if (i128_eq(value.value_integer, I128_ZERO)) {
ir_fprintf(f, "null");
} else {
ir_fprintf(f, "inttoptr (");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_fprint_i128(f, value.value_integer);
ir_fprintf(f, " to ");
ir_print_type(f, m, t_rawptr);
ir_fprintf(f, ")");
}
} else {
ir_fprint_i128(f, value.value_integer);
}
} break;
case ExactValue_Float: {
GB_ASSERT_MSG(is_type_float(type), "%s", type_to_string(type));
type = core_type(type);
u64 u = *cast(u64*)&value.value_float;
switch (type->Basic.kind) {
case Basic_f32:
// IMPORTANT NOTE(bill): LLVM requires all floating point constants to be
// a 64 bit number if bits_of(float type) <= 64.
// https://groups.google.com/forum/#!topic/llvm-dev/IlqV3TbSk6M
// 64 bit mantissa: 52 bits
// 32 bit mantissa: 23 bits
// 16 bit mantissa: 10 bits
// 29 == 52-23
u >>= 29;
u <<= 29;
break;
// case Basic_f16:
// u >>= 42;
// u <<= 42;
// break;
}
switch (type->Basic.kind) {
case 0: break;
default:
ir_fprintf(f, "0x%016llx", u);
break;
}
} break;
case ExactValue_Complex: {
type = core_type(type);
GB_ASSERT_MSG(is_type_complex(type), "%s", type_to_string(type));
Type *ft = base_complex_elem_type(type);
ir_fprintf(f, " {"); ir_print_type(f, m, ft); ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_float(value.value_complex.real), ft);
ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_float(value.value_complex.imag), ft);
ir_fprintf(f, "}");
} break;
case ExactValue_Pointer:
if (value.value_pointer == 0) {
ir_fprintf(f, "null");
} else {
ir_fprintf(f, "inttoptr (");
ir_print_type(f, m, t_int);
ir_fprintf(f, " %llu to ", cast(u64)cast(uintptr)value.value_pointer);
ir_print_type(f, m, t_rawptr);
ir_fprintf(f, ")");
}
break;
case ExactValue_Compound: {
type = base_type(type);
if (is_type_array(type)) {
ast_node(cl, CompoundLit, value.value_compound);
isize elem_count = cl->elems.count;
if (elem_count == 0) {
ir_fprintf(f, "zeroinitializer");
break;
}
ir_fprintf(f, "[");
Type *elem_type = type->Array.elem;
for (isize i = 0; i < elem_count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
TypeAndValue tav = type_and_value_of_expr(m->info, cl->elems[i]);
GB_ASSERT(tav.mode != Addressing_Invalid);
ir_print_compound_element(f, m, tav.value, elem_type);
}
for (isize i = elem_count; i < type->Array.count; i++) {
if (i >= elem_count) {
ir_fprintf(f, ", ");
}
ir_print_type(f, m, elem_type);
ir_fprintf(f, " zeroinitializer");
}
ir_fprintf(f, "]");
} else if (is_type_vector(type)) {
ast_node(cl, CompoundLit, value.value_compound);
isize elem_count = cl->elems.count;
if (elem_count == 0) {
ir_fprintf(f, "zeroinitializer");
break;
}
i64 align = type_align_of(m->allocator, type);
i64 count = type->Vector.count;
Type *elem_type = type->Vector.elem;
ir_fprintf(f, "{[0 x <%lld x i8>] zeroinitializer, [%lld x ", align, count);
ir_print_type(f, m, elem_type);
ir_fprintf(f, "][");
if (elem_count == 1 && type->Vector.count > 1) {
TypeAndValue tav = type_and_value_of_expr(m->info, cl->elems[0]);
GB_ASSERT(tav.mode != Addressing_Invalid);
for (isize i = 0; i < type->Vector.count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
ir_print_compound_element(f, m, tav.value, elem_type);
}
} else {
for (isize i = 0; i < elem_count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
TypeAndValue tav = type_and_value_of_expr(m->info, cl->elems[i]);
GB_ASSERT(tav.mode != Addressing_Invalid);
ir_print_compound_element(f, m, tav.value, elem_type);
}
}
ir_fprintf(f, "]}");
} else if (is_type_struct(type)) {
gbTempArenaMemory tmp = gb_temp_arena_memory_begin(&m->tmp_arena);
ast_node(cl, CompoundLit, value.value_compound);
if (cl->elems.count == 0) {
ir_fprintf(f, "zeroinitializer");
break;
}
isize value_count = type->Record.field_count;
ExactValue *values = gb_alloc_array(m->tmp_allocator, ExactValue, value_count);
if (cl->elems[0]->kind == AstNode_FieldValue) {
isize elem_count = cl->elems.count;
for (isize i = 0; i < elem_count; i++) {
ast_node(fv, FieldValue, cl->elems[i]);
String name = fv->field->Ident.token.string;
TypeAndValue tav = type_and_value_of_expr(m->info, fv->value);
GB_ASSERT(tav.mode != Addressing_Invalid);
Selection sel = lookup_field(m->allocator, type, name, false);
Entity *f = type->Record.fields[sel.index[0]];
values[f->Variable.field_index] = tav.value;
}
} else {
for (isize i = 0; i < value_count; i++) {
Entity *f = type->Record.fields_in_src_order[i];
TypeAndValue tav = type_and_value_of_expr(m->info, cl->elems[i]);
ExactValue val = {};
if (tav.mode != Addressing_Invalid) {
val = tav.value;
}
values[f->Variable.field_index] = val;
}
}
if (type->Record.is_packed) {
ir_fprintf(f, "<");
}
ir_fprintf(f, "{");
if (type->Record.custom_align > 0) {
ir_fprintf(f, "[0 x <%lld x i8>] zeroinitializer", cast(i64)type->Record.custom_align);
if (value_count > 0) {
ir_fprintf(f, ", ");
}
}
for (isize i = 0; i < value_count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
Type *elem_type = type->Record.fields[i]->type;
ir_print_compound_element(f, m, values[i], elem_type);
}
ir_fprintf(f, "}");
if (type->Record.is_packed) {
ir_fprintf(f, ">");
}
gb_temp_arena_memory_end(tmp);
} else {
ir_fprintf(f, "zeroinitializer");
}
} break;
default:
ir_fprintf(f, "zeroinitializer");
// GB_PANIC("Invalid ExactValue: %d", value.kind);
break;
}
}
void ir_print_block_name(irFileBuffer *f, irBlock *b) {
if (b != nullptr) {
ir_print_escape_string(f, b->label, false, false);
ir_fprintf(f, "-%td", b->index);
} else {
ir_fprintf(f, "<INVALID-BLOCK>");
}
}
bool ir_print_is_proc_global(irModule *m, irProcedure *proc) {
if (proc->entity != nullptr &&
proc->entity->kind == Entity_Procedure) {
if (m->entry_point_entity == proc->entity) {
// gb_printf("%.*s\n", LIT(proc->entity->token.string));
// TODO(bill): This may not be needed during windows
return true;
}
if (proc->entity->Procedure.link_name.len > 0) {
return true;
}
}
return (proc->tags & (ProcTag_foreign|ProcTag_export)) != 0;
}
void ir_print_value(irFileBuffer *f, irModule *m, irValue *value, Type *type_hint) {
if (value == nullptr) {
ir_fprintf(f, "!!!nullptr_VALUE");
return;
}
switch (value->kind) {
default: GB_PANIC("Unknown irValue kind"); break;
case irValue_Constant:
ir_print_exact_value(f, m, value->Constant.value, type_hint);
break;
case irValue_ConstantSlice: {
irValueConstantSlice *cs = &value->ConstantSlice;
if (cs->backing_array == nullptr || cs->count == 0) {
ir_fprintf(f, "zeroinitializer");
} else {
Type *at = base_type(type_deref(ir_type(cs->backing_array)));
Type *et = at->Array.elem;
ir_fprintf(f, "{");
ir_print_type(f, m, et);
ir_fprintf(f, "* getelementptr inbounds (");
ir_print_type(f, m, at);
ir_fprintf(f, ", ");
ir_print_type(f, m, at);
ir_fprintf(f, "* ");
ir_print_value(f, m, cs->backing_array, at);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, i32 0), ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " %lld, ", cs->count);
ir_print_type(f, m, t_int);
ir_fprintf(f, " %lld}", cs->count);
}
} break;
case irValue_Nil:
ir_fprintf(f, "zeroinitializer");
break;
case irValue_Undef:
ir_fprintf(f, "undef");
break;
case irValue_TypeName:
ir_print_encoded_local(f, value->TypeName.name);
break;
case irValue_Global: {
Entity *e = value->Global.entity;
Scope *scope = e->scope;
bool in_global_scope = false;
if (scope != nullptr) {
// TODO(bill): Fix this rule. What should it be?
in_global_scope = scope->is_global || scope->is_init;
}
ir_print_encoded_global(f, ir_get_global_name(m, value), in_global_scope);
} break;
case irValue_Param:
ir_print_encoded_local(f, value->Param.entity->token.string);
break;
case irValue_Proc:
ir_print_encoded_global(f, value->Proc.name, ir_print_is_proc_global(m, &value->Proc));
break;
case irValue_Instr:
ir_fprintf(f, "%%%d", value->index);
break;
}
}
void ir_print_calling_convention(irFileBuffer *f, irModule *m, ProcCallingConvention cc) {
switch (cc) {
case ProcCC_Odin: ir_fprintf(f, ""); break;
case ProcCC_Contextless: ir_fprintf(f, ""); break;
case ProcCC_C: ir_fprintf(f, "ccc "); break;
case ProcCC_Std: ir_fprintf(f, "cc 64 "); break;
case ProcCC_Fast: ir_fprintf(f, "cc 65 "); break;
default: GB_PANIC("unknown calling convention: %d", cc);
}
}
void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
GB_ASSERT(value->kind == irValue_Instr);
irInstr *instr = &value->Instr;
ir_fprintf(f, "\t");
switch (instr->kind) {
default: {
GB_PANIC("<unknown instr> %d\n", instr->kind);
ir_fprintf(f, "; <unknown instr> %d\n", instr->kind);
} break;
case irInstr_StartupRuntime: {
ir_fprintf(f, "call void ");
ir_print_encoded_global(f, str_lit(IR_STARTUP_RUNTIME_PROC_NAME), false);
ir_fprintf(f, "()\n");
} break;
case irInstr_Comment:
ir_fprintf(f, "; %.*s\n", LIT(instr->Comment.text));
break;
case irInstr_Local: {
Type *type = instr->Local.entity->type;
i64 align = instr->Local.alignment;
if (align <= 0) {
align = type_align_of(m->allocator, type);
}
ir_fprintf(f, "%%%d = alloca ", value->index);
ir_print_type(f, m, type);
ir_fprintf(f, ", align %lld\n", align);
} break;
case irInstr_ZeroInit: {
Type *type = type_deref(ir_type(instr->ZeroInit.address));
ir_fprintf(f, "store ");
ir_print_type(f, m, type);
ir_fprintf(f, " zeroinitializer, ");
ir_print_type(f, m, type);
ir_fprintf(f, "* %%%d\n", instr->ZeroInit.address->index);
} break;
case irInstr_Store: {
Type *type = type_deref(ir_type(instr->Store.address));
ir_fprintf(f, "store ");
if (instr->Store.atomic) {
ir_fprintf(f, "atomic ");
}
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->Store.value, type);
ir_fprintf(f, ", ");
ir_print_type(f, m, type);
ir_fprintf(f, "* ");
ir_print_value(f, m, instr->Store.address, type);
if (is_type_atomic(type)) {
// TODO(bill): Do ordering
ir_fprintf(f, " unordered");
ir_fprintf(f, ", align %lld\n", type_align_of(m->allocator, type));
}
ir_fprintf(f, "\n");
} break;
case irInstr_Load: {
Type *type = instr->Load.type;
ir_fprintf(f, "%%%d = load ", value->index);
if (is_type_atomic(type)) {
ir_fprintf(f, "atomic ");
}
ir_print_type(f, m, type);
ir_fprintf(f, ", ");
ir_print_type(f, m, type);
ir_fprintf(f, "* ");
ir_print_value(f, m, instr->Load.address, type);
if (is_type_atomic(type)) {
// TODO(bill): Do ordering
ir_fprintf(f, " unordered");
}
ir_fprintf(f, ", align %lld\n", type_align_of(m->allocator, type));
} break;
case irInstr_ArrayElementPtr: {
Type *et = ir_type(instr->ArrayElementPtr.address);
ir_fprintf(f, "%%%d = getelementptr inbounds ", value->index);
ir_print_type(f, m, type_deref(et));
ir_fprintf(f, ", ");
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->ArrayElementPtr.address, et);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, ");
if (is_type_vector(type_deref(et))) {
ir_print_type(f, m, t_i32);
ir_fprintf(f, " 1, ");
}
irValue *index =instr->ArrayElementPtr.elem_index;
Type *t = ir_type(index);
ir_print_type(f, m, t);
ir_fprintf(f, " ");
ir_print_value(f, m, index, t);
ir_fprintf(f, "\n");
} break;
case irInstr_StructElementPtr: {
Type *et = ir_type(instr->StructElementPtr.address);
ir_fprintf(f, "%%%d = getelementptr inbounds ", value->index);
i32 index = instr->StructElementPtr.elem_index;
Type *st = base_type(type_deref(et));
if (is_type_struct(st)) {
if (st->Record.custom_align > 0) {
index += 1;
}
} else if (is_type_union(st)) {
index += 1;
}
ir_print_type(f, m, type_deref(et));
ir_fprintf(f, ", ");
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->StructElementPtr.address, et);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, ");
ir_print_type(f, m, t_i32);
ir_fprintf(f, " %d", index);
ir_fprintf(f, "\n");
} break;
case irInstr_PtrOffset: {
Type *pt = ir_type(instr->PtrOffset.address);
ir_fprintf(f, "%%%d = getelementptr inbounds ", value->index);
ir_print_type(f, m, type_deref(pt));
ir_fprintf(f, ", ");
ir_print_type(f, m, pt);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->PtrOffset.address, pt);
irValue *offset = instr->PtrOffset.offset;
Type *t = ir_type(offset);
ir_fprintf(f, ", ");
ir_print_type(f, m, t);
ir_fprintf(f, " ");
ir_print_value(f, m, offset, t);
ir_fprintf(f, "\n");
} break;
case irInstr_Phi: {
ir_fprintf(f, "%%%d = phi ", value->index);
ir_print_type(f, m, instr->Phi.type);
ir_fprintf(f, " ", value->index);
for (isize i = 0; i < instr->Phi.edges.count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
}
irValue *edge = instr->Phi.edges[i];
irBlock *block = nullptr;
if (instr->parent != nullptr &&
i < instr->parent->preds.count) {
block = instr->parent->preds[i];
}
ir_fprintf(f, "[ ");
ir_print_value(f, m, edge, instr->Phi.type);
ir_fprintf(f, ", %%");
ir_print_block_name(f, block);
ir_fprintf(f, " ]");
}
ir_fprintf(f, "\n");
} break;
case irInstr_StructExtractValue: {
Type *et = ir_type(instr->StructExtractValue.address);
ir_fprintf(f, "%%%d = extractvalue ", value->index);
i32 index = instr->StructExtractValue.index;
Type *st = base_type(et);
if (is_type_struct(st)) {
if (st->Record.custom_align > 0) {
index += 1;
}
} else if (is_type_union(st)) {
index += 1;
}
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->StructExtractValue.address, et);
ir_fprintf(f, ", %d\n", index);
} break;
case irInstr_UnionTagPtr: {
Type *et = ir_type(instr->UnionTagPtr.address);
ir_fprintf(f, "%%%d = getelementptr inbounds ", value->index);
Type *t = base_type(type_deref(et));
GB_ASSERT(is_type_union(t));
ir_print_type(f, m, type_deref(et));
ir_fprintf(f, ", ");
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->UnionTagPtr.address, et);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, ");
ir_print_type(f, m, t_i32);
#if 1
ir_fprintf(f, " %d", 2);
#else
ir_fprintf(f, " %d", 2);
#endif
ir_fprintf(f, " ; UnionTagPtr");
ir_fprintf(f, "\n");
} break;
case irInstr_UnionTagValue: {
Type *et = ir_type(instr->UnionTagValue.address);
ir_fprintf(f, "%%%d = extractvalue ", value->index);
Type *t = base_type(et);
GB_ASSERT(is_type_union(t));
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->UnionTagValue.address, et);
ir_fprintf(f, ",");
#if 1
ir_fprintf(f, " %d", 2);
#else
ir_fprintf(f, " %d", 2);
#endif
ir_fprintf(f, ", %d", 2);
ir_fprintf(f, " ; UnionTagValue");
ir_fprintf(f, "\n");
} break;
case irInstr_Jump: {;
ir_fprintf(f, "br label %%");
ir_print_block_name(f, instr->Jump.block);
ir_fprintf(f, "\n");
} break;
case irInstr_If: {;
ir_fprintf(f, "br ");
ir_print_type(f, m, t_bool);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->If.cond, t_bool);
ir_fprintf(f, ", ", instr->If.cond->index);
ir_fprintf(f, "label %%"); ir_print_block_name(f, instr->If.true_block);
ir_fprintf(f, ", label %%"); ir_print_block_name(f, instr->If.false_block);
ir_fprintf(f, "\n");
} break;
case irInstr_Return: {
irInstrReturn *ret = &instr->Return;
ir_fprintf(f, "ret ");
if (ret->value == nullptr) {
ir_fprintf(f, "void");
} else {
Type *t = ir_type(ret->value);
ir_print_type(f, m, t);
ir_fprintf(f, " ");
ir_print_value(f, m, ret->value, t);
}
ir_fprintf(f, "\n");
} break;
case irInstr_Conv: {
irInstrConv *c = &instr->Conv;
ir_fprintf(f, "%%%d = %.*s ", value->index, LIT(ir_conv_strings[c->kind]));
ir_print_type(f, m, c->from);
ir_fprintf(f, " ");
ir_print_value(f, m, c->value, c->from);
ir_fprintf(f, " to ");
ir_print_type(f, m, c->to);
ir_fprintf(f, "\n");
} break;
case irInstr_Unreachable: {
ir_fprintf(f, "unreachable\n");
} break;
case irInstr_UnaryOp: {
irInstrUnaryOp *uo = &value->Instr.UnaryOp;
Type *type = base_type(ir_type(uo->expr));
Type *elem_type = type;
while (elem_type->kind == Type_Vector) {
elem_type = base_type(elem_type->Vector.elem);
}
ir_fprintf(f, "%%%d = ", value->index);
switch (uo->op) {
case Token_Sub:
if (is_type_float(elem_type)) {
ir_fprintf(f, "fsub");
} else {
ir_fprintf(f, "sub");
}
break;
case Token_Xor:
case Token_Not:
GB_ASSERT(is_type_integer(type) || is_type_boolean(type));
ir_fprintf(f, "xor");
break;
default:
GB_PANIC("Unknown unary operator");
break;
}
ir_fprintf(f, " ");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
switch (uo->op) {
case Token_Sub:
if (is_type_float(elem_type)) {
ir_print_exact_value(f, m, exact_value_float(0), elem_type);
} else {
ir_fprintf(f, "0");
}
break;
case Token_Xor:
case Token_Not:
GB_ASSERT(is_type_integer(type) || is_type_boolean(type));
ir_fprintf(f, "-1");
break;
}
ir_fprintf(f, ", ");
ir_print_value(f, m, uo->expr, type);
ir_fprintf(f, "\n");
} break;
case irInstr_BinaryOp: {
irInstrBinaryOp *bo = &value->Instr.BinaryOp;
Type *type = base_type(ir_type(bo->left));
Type *elem_type = type;
GB_ASSERT_MSG(!is_type_vector(elem_type), type_to_string(elem_type));
ir_fprintf(f, "%%%d = ", value->index);
if (gb_is_between(bo->op, Token__ComparisonBegin+1, Token__ComparisonEnd-1)) {
if (is_type_string(elem_type)) {
ir_fprintf(f, "call ");
ir_print_calling_convention(f, m, ProcCC_Odin);
ir_print_type(f, m, t_bool);
char *runtime_proc = "";
switch (bo->op) {
case Token_CmpEq: runtime_proc = "__string_eq"; break;
case Token_NotEq: runtime_proc = "__string_ne"; break;
case Token_Lt: runtime_proc = "__string_lt"; break;
case Token_Gt: runtime_proc = "__string_gt"; break;
case Token_LtEq: runtime_proc = "__string_le"; break;
case Token_GtEq: runtime_proc = "__string_gt"; break;
}
ir_fprintf(f, " ");
ir_print_encoded_global(f, make_string_c(runtime_proc), false);
ir_fprintf(f, "(");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, bo->left, type);
ir_fprintf(f, ", ");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, bo->right, type);
ir_fprintf(f, ")\n");
return;
} else if (is_type_float(elem_type)) {
ir_fprintf(f, "fcmp ");
switch (bo->op) {
case Token_CmpEq: ir_fprintf(f, "oeq"); break;
case Token_NotEq: ir_fprintf(f, "one"); break;
case Token_Lt: ir_fprintf(f, "olt"); break;
case Token_Gt: ir_fprintf(f, "ogt"); break;
case Token_LtEq: ir_fprintf(f, "ole"); break;
case Token_GtEq: ir_fprintf(f, "oge"); break;
}
} else if (is_type_complex(elem_type)) {
ir_fprintf(f, "call ");
ir_print_calling_convention(f, m, ProcCC_Odin);
ir_print_type(f, m, t_bool);
char *runtime_proc = "";
i64 sz = 8*type_size_of(m->allocator, elem_type);
switch (sz) {
case 64:
switch (bo->op) {
case Token_CmpEq: runtime_proc = "__complex64_eq"; break;
case Token_NotEq: runtime_proc = "__complex64_ne"; break;
}
break;
case 128:
switch (bo->op) {
case Token_CmpEq: runtime_proc = "__complex128_eq"; break;
case Token_NotEq: runtime_proc = "__complex128_ne"; break;
}
break;
}
ir_fprintf(f, " ");
ir_print_encoded_global(f, make_string_c(runtime_proc), false);
ir_fprintf(f, "(");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, bo->left, type);
ir_fprintf(f, ", ");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, bo->right, type);
ir_fprintf(f, ")\n");
return;
} else {
ir_fprintf(f, "icmp ");
if (bo->op != Token_CmpEq &&
bo->op != Token_NotEq) {
if (is_type_unsigned(elem_type)) {
ir_fprintf(f, "u");
} else {
ir_fprintf(f, "s");
}
}
switch (bo->op) {
case Token_CmpEq: ir_fprintf(f, "eq"); break;
case Token_NotEq: ir_fprintf(f, "ne"); break;
case Token_Lt: ir_fprintf(f, "lt"); break;
case Token_Gt: ir_fprintf(f, "gt"); break;
case Token_LtEq: ir_fprintf(f, "le"); break;
case Token_GtEq: ir_fprintf(f, "ge"); break;
default: GB_PANIC("invalid comparison");break;
}
}
} else {
if (is_type_float(elem_type)) {
ir_fprintf(f, "f");
}
switch (bo->op) {
case Token_Add: ir_fprintf(f, "add"); break;
case Token_Sub: ir_fprintf(f, "sub"); break;
case Token_And: ir_fprintf(f, "and"); break;
case Token_Or: ir_fprintf(f, "or"); break;
case Token_Xor: ir_fprintf(f, "xor"); break;
case Token_Shl: ir_fprintf(f, "shl"); break;
case Token_Shr: ir_fprintf(f, "lshr"); break;
case Token_Mul: ir_fprintf(f, "mul"); break;
case Token_Not: ir_fprintf(f, "xor"); break;
case Token_AndNot: GB_PANIC("Token_AndNot Should never be called");
default: {
if (!is_type_float(elem_type)) {
if (is_type_unsigned(elem_type)) {
ir_fprintf(f, "u");
} else {
ir_fprintf(f, "s");
}
}
switch (bo->op) {
case Token_Quo: ir_fprintf(f, "div"); break;
case Token_Mod: ir_fprintf(f, "rem"); break;
}
} break;
}
}
ir_fprintf(f, " ");
ir_print_type(f, m, type);
ir_fprintf(f, " ");
ir_print_value(f, m, bo->left, type);
ir_fprintf(f, ", ");
ir_print_value(f, m, bo->right, type);
ir_fprintf(f, "\n");
} break;
case irInstr_Call: {
irInstrCall *call = &instr->Call;
Type *proc_type = base_type(ir_type(call->value));
GB_ASSERT(is_type_proc(proc_type));
bool is_c_vararg = proc_type->Proc.c_vararg;
Type *result_type = call->type;
if (result_type) {
ir_fprintf(f, "%%%d = ", value->index);
}
ir_fprintf(f, "call ");
ir_print_calling_convention(f, m, proc_type->Proc.calling_convention);
if (is_c_vararg) {
ir_print_proc_type_without_pointer(f, m, proc_type);
} else if (result_type && !proc_type->Proc.return_by_pointer) {
ir_print_proc_results(f, m, proc_type);
} else {
ir_fprintf(f, "void");
}
ir_fprintf(f, " ");
ir_print_value(f, m, call->value, call->type);
ir_fprintf(f, "(");
if (proc_type->Proc.return_by_pointer) {
GB_ASSERT(call->return_ptr != nullptr);
ir_print_type(f, m, proc_type->Proc.results);
ir_fprintf(f, "* ");
ir_print_value(f, m, call->return_ptr, ir_type(call->return_ptr));
if (call->arg_count > 0) {
ir_fprintf(f, ", ");
}
}
isize param_index = 0;
if (call->arg_count > 0) {
TypeTuple *params = &proc_type->Proc.params->Tuple;
if (proc_type->Proc.c_vararg) {
isize i = 0;
for (; i < params->variable_count-1; i++) {
Entity *e = params->variables[i];
GB_ASSERT(e != nullptr);
if (e->kind != Entity_Variable) continue;
if (param_index > 0) ir_fprintf(f, ", ");
Type *t = proc_type->Proc.abi_compat_params[i];
ir_print_type(f, m, t);
if (e->flags&EntityFlag_NoAlias) {
ir_fprintf(f, " noalias");
}
ir_fprintf(f, " ");
irValue *arg = call->args[i];
ir_print_value(f, m, arg, t);
param_index++;
}
for (; i < call->arg_count; i++) {
if (param_index > 0) ir_fprintf(f, ", ");
irValue *arg = call->args[i];
Type *t = ir_type(arg);
ir_print_type(f, m, t);
ir_fprintf(f, " ");
ir_print_value(f, m, arg, t);
param_index++;
}
} else {
GB_ASSERT(call->arg_count == params->variable_count);
isize param_count = params->variable_count;
for (isize i = 0; i < param_count; i++) {
Entity *e = params->variables[i];
GB_ASSERT(e != nullptr);
if (e->kind != Entity_Variable) continue;
if (param_index > 0) ir_fprintf(f, ", ");
irValue *arg = call->args[i];
Type *t = proc_type->Proc.abi_compat_params[i];
ir_print_type(f, m, t);
if (e->flags&EntityFlag_NoAlias) {
ir_fprintf(f, " noalias");
}
ir_fprintf(f, " ");
ir_print_value(f, m, arg, t);
param_index++;
}
}
}
if (proc_type->Proc.calling_convention == ProcCC_Odin) {
if (param_index > 0) ir_fprintf(f, ", ");
ir_print_type(f, m, t_context_ptr);
ir_fprintf(f, " noalias nonnull");
ir_print_value(f, m, call->context_ptr, t_context_ptr);
}
ir_fprintf(f, ")\n");
} break;
case irInstr_Select: {
ir_fprintf(f, "%%%d = select i1 ", value->index);
ir_print_value(f, m, instr->Select.cond, t_bool);
ir_fprintf(f, ", ");
ir_print_type(f, m, ir_type(instr->Select.true_value));
ir_fprintf(f, " ");
ir_print_value(f, m, instr->Select.true_value, ir_type(instr->Select.true_value));
ir_fprintf(f, ", ");
ir_print_type(f, m, ir_type(instr->Select.false_value));
ir_fprintf(f, " ");
ir_print_value(f, m, instr->Select.false_value, ir_type(instr->Select.false_value));
ir_fprintf(f, "\n");
} break;
// case irInstr_VectorExtractElement: {
// Type *vt = ir_type(instr->VectorExtractElement.vector);
// Type *it = ir_type(instr->VectorExtractElement.index);
// ir_fprintf(f, "%%%d = extractelement ", value->index);
// ir_print_type(f, m, vt);
// ir_fprintf(f, " ");
// ir_print_value(f, m, instr->VectorExtractElement.vector, vt);
// ir_fprintf(f, ", ");
// ir_print_type(f, m, it);
// ir_fprintf(f, " ");
// ir_print_value(f, m, instr->VectorExtractElement.index, it);
// ir_fprintf(f, "\n");
// } break;
// case irInstr_VectorInsertElement: {
// irInstrVectorInsertElement *ie = &instr->VectorInsertElement;
// Type *vt = ir_type(ie->vector);
// ir_fprintf(f, "%%%d = insertelement ", value->index);
// ir_print_type(f, m, vt);
// ir_fprintf(f, " ");
// ir_print_value(f, m, ie->vector, vt);
// ir_fprintf(f, ", ");
// ir_print_type(f, m, ir_type(ie->elem));
// ir_fprintf(f, " ");
// ir_print_value(f, m, ie->elem, ir_type(ie->elem));
// ir_fprintf(f, ", ");
// ir_print_type(f, m, ir_type(ie->index));
// ir_fprintf(f, " ");
// ir_print_value(f, m, ie->index, ir_type(ie->index));
// ir_fprintf(f, "\n");
// } break;
// case irInstr_VectorShuffle: {
// irInstrVectorShuffle *sv = &instr->VectorShuffle;
// Type *vt = ir_type(sv->vector);
// ir_fprintf(f, "%%%d = shufflevector ", value->index);
// ir_print_type(f, m, vt);
// ir_fprintf(f, " ");
// ir_print_value(f, m, sv->vector, vt);
// ir_fprintf(f, ", ");
// ir_print_type(f, m, vt);
// ir_fprintf(f, " ");
// ir_print_value(f, m, sv->vector, vt);
// ir_fprintf(f, ", ");
// ir_fprintf(f, "<%td x i32> <", sv->index_count);
// for (isize i = 0; i < sv->index_count; i++) {
// if (i > 0) {
// ir_fprintf(f, ", ");
// }
// ir_fprintf(f, "i32 %d", sv->indices[i]);
// }
// ir_fprintf(f, ">");
// ir_fprintf(f, "\n");
// } break;
#if 0
case irInstr_BoundsCheck: {
irInstrBoundsCheck *bc = &instr->BoundsCheck;
ir_fprintf(f, "call void ");
ir_print_encoded_global(f, str_lit("__bounds_check_error"), false);
ir_fprintf(f, "(");
ir_print_compound_element(f, m, exact_value_string(bc->pos.file), t_string);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_i64(bc->pos.line), t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_i64(bc->pos.column), t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_value(f, m, bc->index, t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_value(f, m, bc->len, t_int);
ir_fprintf(f, ")\n");
} break;
case irInstr_SliceBoundsCheck: {
irInstrSliceBoundsCheck *bc = &instr->SliceBoundsCheck;
ir_fprintf(f, "call void ");
if (bc->is_substring) {
ir_print_encoded_global(f, str_lit("__substring_expr_error"), false);
} else {
ir_print_encoded_global(f, str_lit("__slice_expr_error"), false);
}
ir_fprintf(f, "(");
ir_print_compound_element(f, m, exact_value_string(bc->pos.file), t_string);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_i64(bc->pos.line), t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_exact_value(f, m, exact_value_i64(bc->pos.column), t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_value(f, m, bc->low, t_int);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_value(f, m, bc->high, t_int);
if (!bc->is_substring) {
ir_fprintf(f, ", ");
ir_print_type(f, m, t_int);
ir_fprintf(f, " ");
ir_print_value(f, m, bc->max, t_int);
}
ir_fprintf(f, ")\n");
} break;
#endif
case irInstr_DebugDeclare: {
/* irInstrDebugDeclare *dd = &instr->DebugDeclare;
Type *vt = ir_type(dd->value);
irDebugInfo *di = dd->debug_info;
Entity *e = dd->entity;
String name = e->token.string;
TokenPos pos = e->token.pos;
// gb_printf("debug_declare %.*s\n", LIT(dd->entity->token.string));
ir_fprintf(f, "call void @llvm.dbg.declare(");
ir_fprintf(f, "metadata ");
ir_print_type(f, m, vt);
ir_fprintf(f, " ");
ir_print_value(f, m, dd->value, vt);
ir_fprintf(f, ", metadata !DILocalVariable(name: \"");
ir_print_escape_string(f, name, false);
ir_fprintf(f, "\", scope: !%d, line: %td)", di->id, pos.line);
ir_fprintf(f, ", metadata !DIExpression()");
ir_fprintf(f, ")");
ir_fprintf(f, ", !dbg !DILocation(line: %td, column: %td, scope: !%d)", pos.line, pos.column, di->id);
ir_fprintf(f, "\n"); */
} break;
}
}
void ir_print_proc(irFileBuffer *f, irModule *m, irProcedure *proc) {
if (proc->body == nullptr) {
ir_fprintf(f, "declare ");
// if (proc->tags & ProcTag_dll_import) {
// ir_fprintf(f, "dllimport ");
// }
} else {
ir_fprintf(f, "\n");
ir_fprintf(f, "define ");
if (build_context.is_dll) {
// if (proc->tags & (ProcTag_export|ProcTag_dll_export)) {
if (proc->tags & (ProcTag_export)) {
ir_fprintf(f, "dllexport ");
}
}
}
TypeProc *proc_type = &proc->type->Proc;
ir_print_calling_convention(f, m, proc_type->calling_convention);
isize param_count = proc_type->param_count;
isize result_count = proc_type->result_count;
ir_print_proc_results(f, m, proc->type);
ir_fprintf(f, " ");
// #ifndef GB_SYSTEM_WINDOWS
#if 0
if(uses_args)
ir_fprintf(f, "@.nix_argpatch_main");
else
#endif
ir_print_encoded_global(f, proc->name, ir_print_is_proc_global(m, proc));
ir_fprintf(f, "(");
if (proc_type->return_by_pointer) {
ir_print_type(f, m, reduce_tuple_to_single_type(proc_type->results));
ir_fprintf(f, "* sret noalias ");
ir_fprintf(f, "%%agg.result");
if (param_count > 0) {
ir_fprintf(f, ", ");
}
}
isize param_index = 0;
if (param_count > 0) {
TypeTuple *params = &proc_type->params->Tuple;
for (isize i = 0; i < param_count; i++) {
Entity *e = params->variables[i];
Type *original_type = e->type;
Type *abi_type = proc_type->abi_compat_params[i];
if (e->kind != Entity_Variable) continue;
if (param_index > 0) ir_fprintf(f, ", ");
if (i+1 == params->variable_count && proc_type->c_vararg) {
ir_fprintf(f, " ...");
} else {
ir_print_type(f, m, abi_type);
if (e->flags&EntityFlag_NoAlias) {
ir_fprintf(f, " noalias");
}
if (proc->body != nullptr) {
if (e->token.string != "" && !is_blank_ident(e->token)) {
ir_fprintf(f, " ");
ir_print_encoded_local(f, e->token.string);
} else {
ir_fprintf(f, " %%_.param_%td", i);
}
}
}
param_index++;
}
}
if (proc_type->calling_convention == ProcCC_Odin) {
if (param_index > 0) ir_fprintf(f, ", ");
ir_print_type(f, m, t_context_ptr);
ir_fprintf(f, " noalias nonnull %%__.context_ptr");
}
ir_fprintf(f, ") ");
if (proc->tags & ProcTag_inline) {
ir_fprintf(f, "alwaysinline ");
}
if (proc->tags & ProcTag_no_inline) {
ir_fprintf(f, "noinline ");
}
if (proc->entity != nullptr) {
if (proc->body != nullptr) {
irDebugInfo **di_ = map_get(&proc->module->debug_info, hash_pointer(proc->entity));
if (di_ != nullptr) {
irDebugInfo *di = *di_;
GB_ASSERT(di->kind == irDebugInfo_Proc);
// ir_fprintf(f, "!dbg !%d ", di->id);
}
}
}
if (proc->body != nullptr) {
// ir_fprintf(f, "nounwind uwtable {\n");
ir_fprintf(f, "{\n");
for_array(i, proc->blocks) {
irBlock *block = proc->blocks[i];
if (i > 0) ir_fprintf(f, "\n");
ir_print_block_name(f, block);
ir_fprintf(f, ":\n");
for_array(j, block->instrs) {
irValue *value = block->instrs[j];
ir_print_instr(f, m, value);
}
}
ir_fprintf(f, "}\n");
} else {
ir_fprintf(f, "\n");
}
for_array(i, proc->children) {
ir_print_proc(f, m, proc->children[i]);
}
}
void ir_print_type_name(irFileBuffer *f, irModule *m, irValue *v) {
GB_ASSERT(v->kind == irValue_TypeName);
Type *bt = base_type(ir_type(v));
if (!is_type_struct(bt) && !is_type_union(bt)) {
return;
}
ir_print_encoded_local(f, v->TypeName.name);
ir_fprintf(f, " = type ");
ir_print_type(f, m, base_type(v->TypeName.type));
ir_fprintf(f, "\n");
}
void print_llvm_ir(irGen *ir) {
irModule *m = &ir->module;
irFileBuffer buf = {}, *f = &buf;
ir_file_buffer_init(f, &ir->output_file);
ir_print_encoded_local(f, str_lit("..string"));
ir_fprintf(f, " = type {i8*, ");
ir_print_type(f, m, t_int);
ir_fprintf(f, "} ; Basic_string\n");
ir_print_encoded_local(f, str_lit("..rawptr"));
ir_fprintf(f, " = type i8* ; Basic_rawptr\n");
ir_print_encoded_local(f, str_lit("..complex32"));
ir_fprintf(f, " = type {half, half} ; Basic_complex32\n");
ir_print_encoded_local(f, str_lit("..complex64"));
ir_fprintf(f, " = type {float, float} ; Basic_complex64\n");
ir_print_encoded_local(f, str_lit("..complex128"));
ir_fprintf(f, " = type {double, double} ; Basic_complex128\n");
ir_print_encoded_local(f, str_lit("..any"));
ir_fprintf(f, " = type {");
ir_print_type(f, m, t_rawptr);
ir_fprintf(f, ", ");
ir_print_type(f, m, t_type_info_ptr);
ir_fprintf(f, "} ; Basic_any\n");
ir_fprintf(f, "declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone \n");
ir_fprintf(f, "\n");
for_array(member_index, m->members.entries) {
auto *entry = &m->members.entries[member_index];
irValue *v = entry->value;
if (v->kind != irValue_TypeName) {
continue;
}
ir_print_type_name(f, m, v);
}
ir_fprintf(f, "\n");
bool dll_main_found = false;
for_array(member_index, m->members.entries) {
auto *entry = &m->members.entries[member_index];
irValue *v = entry->value;
if (v->kind != irValue_Proc) {
continue;
}
if (v->Proc.body == nullptr) {
ir_print_proc(f, m, &v->Proc);
}
}
for_array(member_index, m->members.entries) {
auto *entry = &m->members.entries[member_index];
irValue *v = entry->value;
if (v->kind != irValue_Proc) {
continue;
}
if (v->Proc.body != nullptr) {
ir_print_proc(f, m, &v->Proc);
}
}
for_array(member_index, m->members.entries) {
auto *entry = &m->members.entries[member_index];
irValue *v = entry->value;
if (v->kind != irValue_Global) {
continue;
}
irValueGlobal *g = &v->Global;
Scope *scope = g->entity->scope;
bool in_global_scope = false;
if (scope != nullptr) {
// TODO(bill): Fix this rule. What should it be?
in_global_scope = scope->is_global || scope->is_init;
// in_global_scope = value->Global.name_is_not_mangled;
}
ir_print_encoded_global(f, ir_get_global_name(m, v), in_global_scope);
ir_fprintf(f, " = ");
if (g->is_foreign) {
ir_fprintf(f, "external ");
}
if (g->is_thread_local) {
ir_fprintf(f, "thread_local ");
}
if (g->is_private) {
ir_fprintf(f, "private ");
}
if (g->is_constant) {
if (g->is_unnamed_addr) {
ir_fprintf(f, "unnamed_addr ");
}
ir_fprintf(f, "constant ");
} else {
ir_fprintf(f, "global ");
}
ir_print_type(f, m, g->entity->type);
ir_fprintf(f, " ");
if (!g->is_foreign) {
if (g->value != nullptr) {
ir_print_value(f, m, g->value, g->entity->type);
} else {
ir_fprintf(f, "zeroinitializer");
}
}
ir_fprintf(f, "\n");
}
#if 0
// if (m->generate_debug_info) {
{
ir_fprintf(f, "\n");
i32 diec = m->debug_info.entries.count;
ir_fprintf(f, "!llvm.dbg.cu = !{!0}\n");
ir_fprintf(f, "!llvm.ident = !{!%d}\n", diec+3);
ir_fprintf(f, "!%d = !{i32 2, !\"Dwarf Version\", i32 4}\n", diec+0);
ir_fprintf(f, "!%d = !{i32 2, !\"Debug Info Version\", i32 3}\n", diec+1);
ir_fprintf(f, "!%d = !{i32 1, !\"PIC Level\", i32 2}\n", diec+2);
ir_fprintf(f, "!%d = !{!\"clang version 3.9.0 (branches/release_39)\"}\n", diec+3);
for_array(di_index, m->debug_info.entries) {
MapIrDebugInfoEntry *entry = &m->debug_info.entries[di_index];
irDebugInfo *di = entry->value;
ir_fprintf(f, "!%d = ", di->id);
switch (di->kind) {
case irDebugInfo_CompileUnit: {
irDebugInfo *file = *map_get(&m->debug_info, hash_pointer(di->CompileUnit.file));
ir_fprintf(f,
"distinct !DICompileUnit("
"language: DW_LANG_Go, " // Is this good enough?
"file: !%d, "
"producer: \"clang version 3.9.0 (branches/release_39)\", "
"flags: \"\", "
"runtimeVersion: 0, "
"isOptimized: false, "
"emissionKind: FullDebug"
")",
file->id);
} break;
case irDebugInfo_File:
ir_fprintf(f, "!DIFile(filename: \"");
ir_print_escape_string(f, di->File.filename, false);
ir_fprintf(f, "\", directory: \"");
ir_print_escape_string(f, di->File.directory, false);
ir_fprintf(f, "\")");
break;
case irDebugInfo_Proc:
ir_fprintf(f, "distinct !DISubprogram("
"name: \"%.*s\", "
// "linkageName: \"\", "
"file: !%d, "
"line: %td, "
"isDefinition: true, "
"isLocal: false, "
"unit: !0"
")",
LIT(di->Proc.name),
di->Proc.file->id,
di->Proc.pos.line);
break;
case irDebugInfo_AllProcs:
ir_fprintf(f, "!{");
for_array(proc_index, di->AllProcs.procs) {
irDebugInfo *p = di->AllProcs.procs[proc_index];
if (proc_index > 0) {ir_fprintf(f, ",");}
ir_fprintf(f, "!%d", p->id);
}
ir_fprintf(f, "}");
break;
}
ir_fprintf(f, "\n");
}
}
#endif
ir_file_buffer_destroy(f);
}