1 // Verifies that MemorySanitizer track-origins level can be controlled
2 // with -Zsanitizer-memory-track-origins option.
4 // needs-sanitizer-support
7 // revisions:MSAN-0 MSAN-1 MSAN-2 MSAN-1-LTO MSAN-2-LTO
9 //[MSAN-0] compile-flags: -Zsanitizer=memory
10 //[MSAN-1] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins=1
11 //[MSAN-2] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins
12 //[MSAN-1-LTO] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins=1 -C lto=fat
13 //[MSAN-2-LTO] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins -C lto=fat
17 // MSAN-0-NOT: @__msan_track_origins
18 // MSAN-1: @__msan_track_origins = weak_odr local_unnamed_addr constant i32 1
19 // MSAN-2: @__msan_track_origins = weak_odr local_unnamed_addr constant i32 2
20 // MSAN-1-LTO: @__msan_track_origins = weak_odr local_unnamed_addr constant i32 1
21 // MSAN-2-LTO: @__msan_track_origins = weak_odr local_unnamed_addr constant i32 2
23 // MSAN-0-LABEL: define void @copy(
24 // MSAN-1-LABEL: define void @copy(
25 // MSAN-2-LABEL: define void @copy(
27 pub fn copy(dst: &mut i32, src: &i32) {
28 // MSAN-0-NOT: call i32 @__msan_chain_origin(
29 // MSAN-1-NOT: call i32 @__msan_chain_origin(
30 // MSAN-2: call i32 @__msan_chain_origin(