tests/codegen/some-global-nonnull.rs

   1 // compile-flags: -O
   2
   3 #![crate_type = "lib"]
   4
   5 // CHECK-LABEL: @test
   6 // CHECK-NEXT: start:
   7 // CHECK-NEXT: tail call void @ext_fn0()
   8 #[no_mangle]
   9 pub fn test() {
  10     test_inner(Some(inner0));
  11 }
  12
  13 fn test_inner(f_maybe: Option<fn()>) {
  14     if let Some(f) = f_maybe {
  15         f();
  16     }
  17 }
  18
  19 fn inner0() {
  20     unsafe { ext_fn0() };
  21 }
  22
  23 extern "C" {
  24     fn ext_fn0();
  25 }