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cbe: fix optional codegen

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Also reduce ctype pool string memory usage, remove self assignments, and
enable more warnings.
This commit is contained in:
Jacob Young
2024-04-11 23:40:15 -04:00
parent 05d9755766
commit f1c0f42cdd
17 changed files with 1118 additions and 850 deletions
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58
test/behavior/optional.zig
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@@ -55,17 +55,57 @@ fn testNullPtrsEql() !void {
try expect(&number == x);
}
test "optional with void type" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test "optional with zero-bit type" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
const Foo = struct {
x: ?void,
const S = struct {
fn doTheTest(comptime ZeroBit: type, comptime zero_bit: ZeroBit) !void {
const WithRuntime = struct {
zero_bit: ZeroBit,
runtime: u1,
};
var with_runtime: WithRuntime = undefined;
with_runtime = .{ .zero_bit = zero_bit, .runtime = 0 };
const Opt = struct { opt: ?ZeroBit };
var opt: Opt = .{ .opt = null };
try expect(opt.opt == null);
try expect(opt.opt != zero_bit);
try expect(opt.opt != with_runtime.zero_bit);
opt.opt = zero_bit;
try expect(opt.opt != null);
try expect(opt.opt == zero_bit);
try expect(opt.opt == with_runtime.zero_bit);
opt = .{ .opt = zero_bit };
try expect(opt.opt != null);
try expect(opt.opt == zero_bit);
try expect(opt.opt == with_runtime.zero_bit);
opt.opt = with_runtime.zero_bit;
try expect(opt.opt != null);
try expect(opt.opt == zero_bit);
try expect(opt.opt == with_runtime.zero_bit);
opt = .{ .opt = with_runtime.zero_bit };
try expect(opt.opt != null);
try expect(opt.opt == zero_bit);
try expect(opt.opt == with_runtime.zero_bit);
var two: ?struct { ZeroBit, ZeroBit } = undefined;
two = .{ with_runtime.zero_bit, with_runtime.zero_bit };
if (!@inComptime()) {
try expect(two != null);
try expect(two.?[0] == zero_bit);
try expect(two.?[0] == with_runtime.zero_bit);
try expect(two.?[1] == zero_bit);
try expect(two.?[1] == with_runtime.zero_bit);
}
}
};
var x = Foo{ .x = null };
_ = &x;
try expect(x.x == null);
try S.doTheTest(void, {});
try comptime S.doTheTest(void, {});
try S.doTheTest(enum { only }, .only);
try comptime S.doTheTest(enum { only }, .only);
}
test "address of unwrap optional" {