rust/tests/codegen/sanitizer/no-sanitize.rs

30 lines
778 B
Rust

// Verifies that no_sanitize attribute can be used to
// selectively disable sanitizer instrumentation.
//
//@ needs-sanitizer-address
//@ compile-flags: -Zsanitizer=address -Ctarget-feature=-crt-static -Copt-level=0
#![crate_type = "lib"]
#![feature(no_sanitize)]
// CHECK-LABEL: ; no_sanitize::unsanitized
// CHECK-NEXT: ; Function Attrs:
// CHECK-NOT: sanitize_address
// CHECK: start:
// CHECK-NOT: call void @__asan_report_load
// CHECK: }
#[no_sanitize(address)]
pub fn unsanitized(b: &mut u8) -> u8 {
*b
}
// CHECK-LABEL: ; no_sanitize::sanitized
// CHECK-NEXT: ; Function Attrs:
// CHECK: sanitize_address
// CHECK: start:
// CHECK: call void @__asan_report_load
// CHECK: }
pub fn sanitized(b: &mut u8) -> u8 {
*b
}