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add behavior test for vector bitcast at comptime

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closes #8184
This commit is contained in:
Evan Haas 2023-07-29 10:30:18 -07:00 committed by Andrew Kelley
parent f5239677e2
commit 9b5586ab7c
1 changed files with 25 additions and 0 deletions
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25
test/behavior/vector.zig
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@ -1440,3 +1440,28 @@ test "boolean vector with 2 or more booleans" {
const vec2 = @Vector(3, bool){ true, true, true };
_ = vec2;
}
test "bitcast to vector with different child type" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest() !void {
const VecA = @Vector(8, u16);
const VecB = @Vector(4, u32);
var vec_a = VecA{ 1, 1, 1, 1, 1, 1, 1, 1 };
var vec_b: VecB = @bitCast(vec_a);
var vec_c: VecA = @bitCast(vec_b);
try expectEqual(vec_a, vec_c);
}
};
// Originally reported at https://github.com/ziglang/zig/issues/8184
try S.doTheTest();
try comptime S.doTheTest();
}