Move SIMD tests

Author: calebzulawski

src/test/ui/simd-type.rs

@@ -1,9 +1,33 @@
-// run-pass
-#![allow(dead_code)]
+#![feature(repr_simd)]
+#![allow(non_camel_case_types)]
 
-// pretty-expanded FIXME #23616
+// ignore-tidy-linelength
 
-#![feature(repr_simd)]
+#[repr(simd)]
+struct empty; //~ ERROR SIMD vector cannot be empty
+
+#[repr(simd)]
+struct empty2([f32; 0]); //~ ERROR SIMD vector cannot be empty
+
+#[repr(simd)]
+struct pow2([f32; 7]); //~ ERROR SIMD vector length must be a power of two
+
+#[repr(simd)]
+struct i64f64(i64, f64); //~ ERROR SIMD vector should be homogeneous
+
+struct Foo;
+
+#[repr(simd)]
+struct FooV(Foo, Foo); //~ ERROR SIMD vector element type should be a primitive scalar (integer/float/pointer) type
+
+#[repr(simd)]
+struct FooV2([Foo; 2]); //~ ERROR SIMD vector element type should be a primitive scalar (integer/float/pointer) type
+
+#[repr(simd)]
+struct TooBig([f32; 65536]); //~ ERROR SIMD vector cannot have more than 32768 elements
+
+#[repr(simd)]
+struct JustRight([u128; 32768]);
 
 #[repr(simd)]
 struct RGBA {
@@ -13,4 +37,4 @@ struct RGBA {
     a: f32
 }
 
-pub fn main() {}
+fn main() {}