tests/codegen/cold-call-declare-and-call.rs

   1 // compile-flags: -C no-prepopulate-passes
   2
   3 #![crate_type = "lib"]
   4 #![feature(rust_cold_cc)]
   5
   6 // wasm marks the definition as `dso_local`, so allow that as optional.
   7
   8 // CHECK: define{{( dso_local)?}} coldcc void @this_should_never_happen(i16
   9 // CHECK: call coldcc void @this_should_never_happen(i16
  10
  11 #[no_mangle]
  12 pub extern "rust-cold" fn this_should_never_happen(x: u16) {}
  13
  14 pub fn do_things(x: u16) {
  15     if x == 12345 {
  16         this_should_never_happen(54321);
  17     }
  18 }