| //@ known-bug: #137108 | |
| //@compile-flags: -Copt-level=3 | |
| // If you fix this, put it in the corresponding codegen test, | |
| // not in a UI test like the readme says. | |
| #![crate_type = "lib"] | |
| #![feature(repr_simd, core_intrinsics)] | |
| #[allow(non_camel_case_types)] | |
| #[derive(Clone, Copy)] | |
| #[repr(simd)] | |
| struct i32x3([i32; 3]); | |
| const _: () = { assert!(size_of::<i32x3>() == 16) }; | |
| #[inline(always)] | |
| fn to_array3(a: i32x3) -> [i32; 3] { | |
| a.0 | |
| } | |
| // CHECK-LABEL: simd_add_self_then_return_array_packed( | |
| // CHECK-SAME: ptr{{.+}}sret{{.+}}%[[RET:.+]], | |
| // CHECK-SAME: ptr{{.+}}%a) | |
| #[no_mangle] | |
| pub fn simd_add_self_then_return_array_packed(a: i32x3) -> [i32; 3] { | |
| // CHECK: %[[T1:.+]] = load <3 x i32>, ptr %a | |
| // CHECK: %[[T2:.+]] = shl <3 x i32> %[[T1]], <i32 1, i32 1, i32 1> | |
| // CHECK: store <3 x i32> %[[T2]], ptr %[[RET]] | |
| let b = unsafe { core::intrinsics::simd::simd_add(a, a) }; | |
| to_array3(b) | |
| } |