src/test/codegen/issue-84268.rs

   1 // compile-flags: -O --crate-type=rlib
   2 #![feature(platform_intrinsics, repr_simd)]
   3
   4 extern "platform-intrinsic" {
   5     fn simd_fabs<T>(x: T) -> T;
   6     fn simd_eq<T, U>(x: T, y: T) -> U;
   7 }
   8
   9 #[repr(simd)]
  10 pub struct V([f32; 4]);
  11
  12 #[repr(simd)]
  13 pub struct M([i32; 4]);
  14
  15 #[no_mangle]
  16 // CHECK-LABEL: @is_infinite
  17 pub fn is_infinite(v: V) -> M {
  18     // CHECK: fabs
  19     // CHECK: cmp oeq
  20     unsafe {
  21         simd_eq(simd_fabs(v), V([f32::INFINITY; 4]))
  22     }
  23 }