tests/codegen/naked-nocoverage.rs

   1 // Checks that naked functions are not instrumented by -Cinstrument-coverage.
   2 // Regression test for issue #105170.
   3 //
   4 // needs-asm-support
   5 // needs-profiler-support
   6 // compile-flags: -Cinstrument-coverage
   7 #![crate_type = "lib"]
   8 #![feature(naked_functions)]
   9 use std::arch::asm;
  10
  11 #[naked]
  12 #[no_mangle]
  13 pub unsafe extern "C" fn f() {
  14     // CHECK:       define void @f()
  15     // CHECK-NEXT:  start:
  16     // CHECK-NEXT:    call void asm
  17     // CHECK-NEXT:    unreachable
  18     asm!("", options(noreturn));
  19 }