tests/codegen/sanitizer-no-sanitize.rs

   1 // Verifies that no_sanitize attribute can be used to
   2 // selectively disable sanitizer instrumentation.
   3 //
   4 // needs-sanitizer-address
   5 // compile-flags: -Zsanitizer=address
   6
   7 #![crate_type="lib"]
   8 #![feature(no_sanitize)]
   9
  10 // CHECK-LABEL: ; sanitizer_no_sanitize::unsanitized
  11 // CHECK-NEXT:  ; Function Attrs:
  12 // CHECK-NOT:   sanitize_address
  13 // CHECK:       start:
  14 // CHECK-NOT:   call void @__asan_report_load
  15 // CHECK:       }
  16 #[no_sanitize(address)]
  17 pub fn unsanitized(b: &mut u8) -> u8 {
  18     *b
  19 }
  20
  21 // CHECK-LABEL: ; sanitizer_no_sanitize::sanitized
  22 // CHECK-NEXT:  ; Function Attrs:
  23 // CHECK:       sanitize_address
  24 // CHECK:       start:
  25 // CHECK:       call void @__asan_report_load
  26 // CHECK:       }
  27 pub fn sanitized(b: &mut u8) -> u8 {
  28     *b
  29 }