stage2: implement alignment calculation of vectors

closes #11856

1 files changed, 24 insertions, 0 deletions

diff --git a/test/behavior/vector.zig b/test/behavior/vector.zig
index fc49bce6e2..e355db5166 100644
--- a/test/behavior/vector.zig
+++ b/test/behavior/vector.zig
@@ -1048,3 +1048,27 @@ test "@shlWithOverflow" {
     try S.doTheTest();
     comptime try S.doTheTest();
 }
+
+test "alignment of vectors" {
+    try expect(@alignOf(@Vector(2, u8)) == 2);
+    try expect(@alignOf(@Vector(2, u1)) == 2);
+    try expect(@alignOf(@Vector(1, u1)) == 1);
+    try expect(@alignOf(@Vector(2, u16)) == 4);
+}
+
+test "loading the second vector from a slice of vectors" {
+    if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
+
+    @setRuntimeSafety(false);
+    var small_bases = [2]@Vector(2, u8){
+        @Vector(2, u8){ 0, 1 },
+        @Vector(2, u8){ 2, 3 },
+    };
+    var a: []const @Vector(2, u8) = &small_bases;
+    var a4 = a[1][1];
+    try expect(a4 == 3);
+}