1 files changed, 125 insertions, 0 deletions
diff --git a/src/test/ui/simd/simd-intrinsic-generic-elements.rs b/src/test/ui/simd/simd-intrinsic-generic-elements.rs
new file mode 100644
index 00000000000..ea3d4b18944
--- /dev/null
+++ b/src/test/ui/simd/simd-intrinsic-generic-elements.rs
@@ -0,0 +1,125 @@
+// run-pass
+// ignore-emscripten FIXME(#45351) hits an LLVM assert
+
+#![feature(repr_simd, platform_intrinsics)]
+
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x2(i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x3(i32, i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x4(i32, i32, i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x8(i32, i32, i32, i32,
+             i32, i32, i32, i32);
+
+extern "platform-intrinsic" {
+    fn simd_insert<T, E>(x: T, idx: u32, y: E) -> T;
+    fn simd_extract<T, E>(x: T, idx: u32) -> E;
+
+    fn simd_shuffle2<T, U>(x: T, y: T, idx: [u32; 2]) -> U;
+    fn simd_shuffle3<T, U>(x: T, y: T, idx: [u32; 3]) -> U;
+    fn simd_shuffle4<T, U>(x: T, y: T, idx: [u32; 4]) -> U;
+    fn simd_shuffle8<T, U>(x: T, y: T, idx: [u32; 8]) -> U;
+}
+
+macro_rules! all_eq {
+    ($a: expr, $b: expr) => {{
+        let a = $a;
+        let b = $b;
+        // type inference works better with the concrete type on the
+        // left, but humans work better with the expected on the
+        // right.
+        assert!(b == a,
+                "{:?} != {:?}", a, b);
+    }}
+}
+
+fn main() {
+    let x2 = i32x2(20, 21);
+    let x3 = i32x3(30, 31, 32);
+    let x4 = i32x4(40, 41, 42, 43);
+    let x8 = i32x8(80, 81, 82, 83, 84, 85, 86, 87);
+    unsafe {
+        all_eq!(simd_insert(x2, 0, 100), i32x2(100, 21));
+        all_eq!(simd_insert(x2, 1, 100), i32x2(20, 100));
+
+        all_eq!(simd_insert(x3, 0, 100), i32x3(100, 31, 32));
+        all_eq!(simd_insert(x3, 1, 100), i32x3(30, 100, 32));
+        all_eq!(simd_insert(x3, 2, 100), i32x3(30, 31, 100));
+
+        all_eq!(simd_insert(x4, 0, 100), i32x4(100, 41, 42, 43));
+        all_eq!(simd_insert(x4, 1, 100), i32x4(40, 100, 42, 43));
+        all_eq!(simd_insert(x4, 2, 100), i32x4(40, 41, 100, 43));
+        all_eq!(simd_insert(x4, 3, 100), i32x4(40, 41, 42, 100));
+
+        all_eq!(simd_insert(x8, 0, 100), i32x8(100, 81, 82, 83, 84, 85, 86, 87));
+        all_eq!(simd_insert(x8, 1, 100), i32x8(80, 100, 82, 83, 84, 85, 86, 87));
+        all_eq!(simd_insert(x8, 2, 100), i32x8(80, 81, 100, 83, 84, 85, 86, 87));
+        all_eq!(simd_insert(x8, 3, 100), i32x8(80, 81, 82, 100, 84, 85, 86, 87));
+        all_eq!(simd_insert(x8, 4, 100), i32x8(80, 81, 82, 83, 100, 85, 86, 87));
+        all_eq!(simd_insert(x8, 5, 100), i32x8(80, 81, 82, 83, 84, 100, 86, 87));
+        all_eq!(simd_insert(x8, 6, 100), i32x8(80, 81, 82, 83, 84, 85, 100, 87));
+        all_eq!(simd_insert(x8, 7, 100), i32x8(80, 81, 82, 83, 84, 85, 86, 100));
+
+        all_eq!(simd_extract(x2, 0), 20);
+        all_eq!(simd_extract(x2, 1), 21);
+
+        all_eq!(simd_extract(x3, 0), 30);
+        all_eq!(simd_extract(x3, 1), 31);
+        all_eq!(simd_extract(x3, 2), 32);
+
+        all_eq!(simd_extract(x4, 0), 40);
+        all_eq!(simd_extract(x4, 1), 41);
+        all_eq!(simd_extract(x4, 2), 42);
+        all_eq!(simd_extract(x4, 3), 43);
+
+        all_eq!(simd_extract(x8, 0), 80);
+        all_eq!(simd_extract(x8, 1), 81);
+        all_eq!(simd_extract(x8, 2), 82);
+        all_eq!(simd_extract(x8, 3), 83);
+        all_eq!(simd_extract(x8, 4), 84);
+        all_eq!(simd_extract(x8, 5), 85);
+        all_eq!(simd_extract(x8, 6), 86);
+        all_eq!(simd_extract(x8, 7), 87);
+    }
+
+    let y2 = i32x2(120, 121);
+    let y3 = i32x3(130, 131, 132);
+    let y4 = i32x4(140, 141, 142, 143);
+    let y8 = i32x8(180, 181, 182, 183, 184, 185, 186, 187);
+    unsafe {
+        all_eq!(simd_shuffle2(x2, y2, [3, 0]), i32x2(121, 20));
+        all_eq!(simd_shuffle3(x2, y2, [3, 0, 1]), i32x3(121, 20, 21));
+        all_eq!(simd_shuffle4(x2, y2, [3, 0, 1, 2]), i32x4(121, 20, 21, 120));
+        all_eq!(simd_shuffle8(x2, y2, [3, 0, 1, 2, 1, 2, 3, 0]),
+                i32x8(121, 20, 21, 120, 21, 120, 121, 20));
+
+        all_eq!(simd_shuffle2(x3, y3, [4, 2]), i32x2(131, 32));
+        all_eq!(simd_shuffle3(x3, y3, [4, 2, 3]), i32x3(131, 32, 130));
+        all_eq!(simd_shuffle4(x3, y3, [4, 2, 3, 0]), i32x4(131, 32, 130, 30));
+        all_eq!(simd_shuffle8(x3, y3, [4, 2, 3, 0, 1, 5, 5, 1]),
+                i32x8(131, 32, 130, 30, 31, 132, 132, 31));
+
+        all_eq!(simd_shuffle2(x4, y4, [7, 2]), i32x2(143, 42));
+        all_eq!(simd_shuffle3(x4, y4, [7, 2, 5]), i32x3(143, 42, 141));
+        all_eq!(simd_shuffle4(x4, y4, [7, 2, 5, 0]), i32x4(143, 42, 141, 40));
+        all_eq!(simd_shuffle8(x4, y4, [7, 2, 5, 0, 3, 6, 4, 1]),
+                i32x8(143, 42, 141, 40, 43, 142, 140, 41));
+
+        all_eq!(simd_shuffle2(x8, y8, [11, 5]), i32x2(183, 85));
+        all_eq!(simd_shuffle3(x8, y8, [11, 5, 15]), i32x3(183, 85, 187));
+        all_eq!(simd_shuffle4(x8, y8, [11, 5, 15, 0]), i32x4(183, 85, 187, 80));
+        all_eq!(simd_shuffle8(x8, y8, [11, 5, 15, 0, 3, 8, 12, 1]),
+                i32x8(183, 85, 187, 80, 83, 180, 184, 81));
+    }
+
+}