authorgravatar for evan@lagerdata.comEvan Haas <evan@lagerdata.com> 2023-07-29 10:30:18-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2023-07-29 18:08:47-07:00
log9b5586ab7cd18d49dfe6d6dbdfbce39941bd3093
tree3ea52a85cf6230939948b6da1774ffd981269b13
parentf5239677e27a25beb450d2361fb15987d56de053

add behavior test for vector bitcast at comptime

closes #8184

1 files changed, 25 insertions(+), 0 deletions(-)

test/behavior/vector.zig+25
...@@ -1440,3 +1440,28 @@ test "boolean vector with 2 or more booleans" {...@@ -1440,3 +1440,28 @@ test "boolean vector with 2 or more booleans" {
1440 const vec2 = @Vector(3, bool){ true, true, true };1440 const vec2 = @Vector(3, bool){ true, true, true };
1441 _ = vec2;1441 _ = vec2;
1442}1442}
1443
1444test "bitcast to vector with different child type" {
1445 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
1446 if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
1447 if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
1448 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
1449 if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
1450 if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO
1451
1452 const S = struct {
1453 fn doTheTest() !void {
1454 const VecA = @Vector(8, u16);
1455 const VecB = @Vector(4, u32);
1456
1457 var vec_a = VecA{ 1, 1, 1, 1, 1, 1, 1, 1 };
1458 var vec_b: VecB = @bitCast(vec_a);
1459 var vec_c: VecA = @bitCast(vec_b);
1460 try expectEqual(vec_a, vec_c);
1461 }
1462 };
1463
1464 // Originally reported at https://github.com/ziglang/zig/issues/8184
1465 try S.doTheTest();
1466 try comptime S.doTheTest();
1467}