Commit c61e0a078c
Changed files (6)
src/analyze.cpp
@@ -5001,12 +5001,9 @@ void init_const_undefined(CodeGen *g, ConstExprValue *const_val) {
field_val->type = wanted_type->data.structure.fields[i].type_entry;
assert(field_val->type);
init_const_undefined(g, field_val);
- ConstParent *parent = get_const_val_parent(g, field_val);
- if (parent != nullptr) {
- parent->id = ConstParentIdStruct;
- parent->data.p_struct.struct_val = const_val;
- parent->data.p_struct.field_index = i;
- }
+ field_val->parent.id = ConstParentIdStruct;
+ field_val->parent.data.p_struct.struct_val = const_val;
+ field_val->parent.data.p_struct.field_index = i;
}
} else {
const_val->special = ConstValSpecialUndef;
@@ -5842,11 +5839,6 @@ void expand_undef_array(CodeGen *g, ConstExprValue *const_val) {
zig_unreachable();
}
-// Deprecated. Reference the parent field directly.
-ConstParent *get_const_val_parent(CodeGen *g, ConstExprValue *value) {
- return &value->parent;
-}
-
static const ZigTypeId all_type_ids[] = {
ZigTypeIdMetaType,
ZigTypeIdVoid,
src/analyze.hpp
@@ -180,7 +180,6 @@ void init_const_undefined(CodeGen *g, ConstExprValue *const_val);
ConstExprValue *create_const_vals(size_t count);
ZigType *make_int_type(CodeGen *g, bool is_signed, uint32_t size_in_bits);
-ConstParent *get_const_val_parent(CodeGen *g, ConstExprValue *value);
void expand_undef_array(CodeGen *g, ConstExprValue *const_val);
void update_compile_var(CodeGen *g, Buf *name, ConstExprValue *value);
src/codegen.cpp
@@ -3873,8 +3873,20 @@ static LLVMValueRef ir_render_union_field_ptr(CodeGen *g, IrExecutable *executab
TypeUnionField *field = instruction->field;
- if (!type_has_bits(field->type_entry))
+ if (!type_has_bits(field->type_entry)) {
+ if (union_type->data.unionation.gen_tag_index == SIZE_MAX) {
+ return nullptr;
+ }
+ if (instruction->initializing) {
+ LLVMValueRef union_ptr = ir_llvm_value(g, instruction->union_ptr);
+ LLVMValueRef tag_field_ptr = LLVMBuildStructGEP(g->builder, union_ptr,
+ union_type->data.unionation.gen_tag_index, "");
+ LLVMValueRef tag_value = bigint_to_llvm_const(get_llvm_type(g, union_type->data.unionation.tag_type),
+ &field->enum_field->value);
+ gen_store_untyped(g, tag_value, tag_field_ptr, 0, false);
+ }
return nullptr;
+ }
LLVMValueRef union_ptr = ir_llvm_value(g, instruction->union_ptr);
LLVMTypeRef field_type_ref = LLVMPointerType(get_llvm_type(g, field->type_entry), 0);
src/ir.cpp
@@ -17425,11 +17425,9 @@ static IrInstruction *ir_analyze_struct_field_ptr(IrAnalyze *ira, IrInstruction
ConstExprValue *field_val = &struct_val->data.x_struct.fields[i];
field_val->special = ConstValSpecialUndef;
field_val->type = struct_type->data.structure.fields[i].type_entry;
- ConstParent *parent = get_const_val_parent(ira->codegen, field_val);
- assert(parent != nullptr);
- parent->id = ConstParentIdStruct;
- parent->data.p_struct.struct_val = struct_val;
- parent->data.p_struct.field_index = i;
+ field_val->parent.id = ConstParentIdStruct;
+ field_val->parent.data.p_struct.struct_val = struct_val;
+ field_val->parent.data.p_struct.field_index = i;
}
}
IrInstruction *result;
@@ -17507,11 +17505,8 @@ static IrInstruction *ir_analyze_container_field_ptr(IrAnalyze *ira, Buf *field_
ConstExprValue *payload_val = create_const_vals(1);
payload_val->special = ConstValSpecialUndef;
payload_val->type = field->type_entry;
- ConstParent *parent = get_const_val_parent(ira->codegen, payload_val);
- if (parent != nullptr) {
- parent->id = ConstParentIdUnion;
- parent->data.p_union.union_val = union_val;
- }
+ payload_val->parent.id = ConstParentIdUnion;
+ payload_val->parent.data.p_union.union_val = union_val;
union_val->special = ConstValSpecialStatic;
bigint_init_bigint(&union_val->data.x_union.tag, &field->enum_field->value);
@@ -25289,7 +25284,6 @@ bool ir_has_side_effects(IrInstruction *instruction) {
case IrInstructionIdReturnPtr:
case IrInstructionIdTypeOf:
case IrInstructionIdStructFieldPtr:
- case IrInstructionIdUnionFieldPtr:
case IrInstructionIdArrayType:
case IrInstructionIdPromiseType:
case IrInstructionIdSliceType:
@@ -25389,6 +25383,8 @@ bool ir_has_side_effects(IrInstruction *instruction) {
}
case IrInstructionIdUnwrapErrCode:
return reinterpret_cast<IrInstructionUnwrapErrCode *>(instruction)->initializing;
+ case IrInstructionIdUnionFieldPtr:
+ return reinterpret_cast<IrInstructionUnionFieldPtr *>(instruction)->initializing;
case IrInstructionIdErrWrapPayload:
return reinterpret_cast<IrInstructionErrWrapPayload *>(instruction)->result_loc != nullptr;
case IrInstructionIdErrWrapCode:
std/zig/parser_test.zig
@@ -1,4 +1,4 @@
-// TODO remove `use` keyword eventually
+// TODO remove `use` keyword eventually: https://github.com/ziglang/zig/issues/2591
test "zig fmt: change use to usingnamespace" {
try testTransform(
\\use @import("std");
@@ -105,7 +105,6 @@ test "zig fmt: linksection" {
}
test "zig fmt: correctly move doc comments on struct fields" {
- if (true) return error.SkipZigTest; // TODO
try testTransform(
\\pub const section_64 = extern struct {
\\ sectname: [16]u8, /// name of this section
@@ -917,7 +916,6 @@ test "zig fmt: statements with empty line between" {
}
test "zig fmt: ptr deref operator and unwrap optional operator" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\const a = b.*;
\\const a = b.?;
@@ -1020,7 +1018,6 @@ test "zig fmt: same-line comment after a statement" {
}
test "zig fmt: same-line comment after var decl in struct" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\pub const vfs_cap_data = extern struct {
\\ const Data = struct {}; // when on disk.
@@ -1030,7 +1027,6 @@ test "zig fmt: same-line comment after var decl in struct" {
}
test "zig fmt: same-line comment after field decl" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\pub const dirent = extern struct {
\\ d_name: u8,
@@ -1106,7 +1102,6 @@ test "zig fmt: line comments in struct initializer" {
}
test "zig fmt: first line comment in struct initializer" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\pub async fn acquire(self: *Self) HeldLock {
\\ return HeldLock{
@@ -1120,7 +1115,6 @@ test "zig fmt: first line comment in struct initializer" {
}
test "zig fmt: doc comments before struct field" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\pub const Allocator = struct {
\\ /// Allocate byte_count bytes and return them in a slice, with the
@@ -1218,7 +1212,6 @@ test "zig fmt: comments before switch prong" {
}
test "zig fmt: comments before var decl in struct" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\pub const vfs_cap_data = extern struct {
\\ // All of these are mandated as little endian
@@ -1609,7 +1602,6 @@ test "zig fmt: indexing" {
}
test "zig fmt: struct declaration" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\const S = struct {
\\ const Self = @This();
@@ -1641,7 +1633,6 @@ test "zig fmt: struct declaration" {
}
test "zig fmt: enum declaration" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\const E = enum {
\\ Ok,
@@ -1670,7 +1661,6 @@ test "zig fmt: enum declaration" {
}
test "zig fmt: union declaration" {
- if (true) return error.SkipZigTest; // TODO
try testCanonical(
\\const U = union {
\\ Int: u8,
test/stage1/behavior/union.zig
@@ -402,3 +402,23 @@ test "comptime union field value equality" {
expect(a0 != a1);
expect(b0 != b1);
}
+
+test "return union init with void payload" {
+ const S = struct {
+ fn entry() void {
+ expect(func().state == State.one);
+ }
+ const Outer = union(enum) {
+ state: State,
+ };
+ const State = union(enum) {
+ one: void,
+ two: u32,
+ };
+ fn func() Outer {
+ return Outer{ .state = State{ .one = {} }};
+ }
+ };
+ S.entry();
+ comptime S.entry();
+}