Commit 446deb31a80a2bd046633fb087d8caee3ed41021 | zig

Closes #13080

2 files changed, 36 insertions(+), 0 deletions(-)

src/Sema.zig+32

...	...	@@ -14286,6 +14286,38 @@ fn zirBitSizeOf(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!A
14286	14286	const src = inst_data.src();
14287	14287	const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
14288	14288	const operand_ty = try sema.resolveType(block, operand_src, inst_data.operand);
	14289	switch (operand_ty.zigTypeTag()) {
	14290	.Fn,
	14291	.NoReturn,
	14292	.Undefined,
	14293	.Null,
	14294	.BoundFn,
	14295	.Opaque,
	14296	=> return sema.fail(block, operand_src, "no size available for type '{}'", .{operand_ty.fmt(sema.mod)}),
	14297
	14298	.Type,
	14299	.EnumLiteral,
	14300	.ComptimeFloat,
	14301	.ComptimeInt,
	14302	.Void,
	14303	=> return sema.addIntUnsigned(Type.comptime_int, 0),
	14304
	14305	.Bool,
	14306	.Int,
	14307	.Float,
	14308	.Pointer,
	14309	.Array,
	14310	.Struct,
	14311	.Optional,
	14312	.ErrorUnion,
	14313	.ErrorSet,
	14314	.Enum,
	14315	.Union,
	14316	.Vector,
	14317	.Frame,
	14318	.AnyFrame,
	14319	=> {},
	14320	}
14289	14321	const target = sema.mod.getTarget();
14290	14322	const bit_size = try operand_ty.bitSizeAdvanced(target, sema.kit(block, src));
14291	14323	return sema.addIntUnsigned(Type.comptime_int, bit_size);

test/behavior/sizeof_and_typeof.zig+4

...	...	@@ -310,3 +310,7 @@ test "lazy size cast to float" {
310	310	try expect(@as(f32, @sizeOf(S)) == 1.0);
311	311	}
312	312	}
	313
	314	test "bitSizeOf comptime_int" {
	315	try expect(@bitSizeOf(comptime_int) == 0);
	316	}