mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
32 lines
1.2 KiB
Rust
32 lines
1.2 KiB
Rust
// Verifies that MemorySanitizer track-origins level can be controlled
|
|
// with -Zsanitizer-memory-track-origins option.
|
|
//
|
|
// needs-sanitizer-memory
|
|
// revisions:MSAN-0 MSAN-1 MSAN-2 MSAN-1-LTO MSAN-2-LTO
|
|
//
|
|
// compile-flags: -Zsanitizer=memory -Ctarget-feature=-crt-static
|
|
//[MSAN-0] compile-flags:
|
|
//[MSAN-1] compile-flags: -Zsanitizer-memory-track-origins=1
|
|
//[MSAN-2] compile-flags: -Zsanitizer-memory-track-origins
|
|
//[MSAN-1-LTO] compile-flags: -Zsanitizer-memory-track-origins=1 -C lto=fat
|
|
//[MSAN-2-LTO] compile-flags: -Zsanitizer-memory-track-origins -C lto=fat
|
|
|
|
#![crate_type="lib"]
|
|
|
|
// MSAN-0-NOT: @__msan_track_origins
|
|
// MSAN-1: @__msan_track_origins = weak_odr {{.*}}constant i32 1
|
|
// MSAN-2: @__msan_track_origins = weak_odr {{.*}}constant i32 2
|
|
// MSAN-1-LTO: @__msan_track_origins = weak_odr {{.*}}constant i32 1
|
|
// MSAN-2-LTO: @__msan_track_origins = weak_odr {{.*}}constant i32 2
|
|
//
|
|
// MSAN-0-LABEL: define void @copy(
|
|
// MSAN-1-LABEL: define void @copy(
|
|
// MSAN-2-LABEL: define void @copy(
|
|
#[no_mangle]
|
|
pub fn copy(dst: &mut i32, src: &i32) {
|
|
// MSAN-0-NOT: call i32 @__msan_chain_origin(
|
|
// MSAN-1-NOT: call i32 @__msan_chain_origin(
|
|
// MSAN-2: call i32 @__msan_chain_origin(
|
|
*dst = *src;
|
|
}
|