| // |
| // compile-flags: -C no-prepopulate-passes |
| |
| #![crate_type = "lib"] |
| |
| #![allow(non_camel_case_types)] |
| #![feature(repr_simd, platform_intrinsics, min_const_generics)] |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct S<const N: usize>([f32; N]); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct T([f32; 4]); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct U(f32, f32, f32, f32); |
| |
| // CHECK-LABEL: @build_array_s |
| #[no_mangle] |
| pub fn build_array_s(x: [f32; 4]) -> S<4> { |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| S::<4>(x) |
| } |
| |
| // CHECK-LABEL: @build_array_t |
| #[no_mangle] |
| pub fn build_array_t(x: [f32; 4]) -> T { |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| T(x) |
| } |
| |
| // CHECK-LABEL: @build_array_u |
| #[no_mangle] |
| pub fn build_array_u(x: [f32; 4]) -> U { |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) |
| unsafe { std::mem::transmute(x) } |
| } |
