diff options
Diffstat (limited to 'src/test/codegen')
| -rw-r--r-- | src/test/codegen/sanitizer-memory-track-orgins.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/codegen/sanitizer-memory-track-orgins.rs b/src/test/codegen/sanitizer-memory-track-orgins.rs new file mode 100644 index 00000000000..fd8be0bced7 --- /dev/null +++ b/src/test/codegen/sanitizer-memory-track-orgins.rs @@ -0,0 +1,28 @@ +// Verifies that MemorySanitizer track-origins level can be controlled +// with -Zsanitizer-memory-track-origins option. +// +// needs-sanitizer-support +// only-linux +// only-x86_64 +// revisions:MSAN-0 MSAN-1 MSAN-2 +// +//[MSAN-0] compile-flags: -Zsanitizer=memory +//[MSAN-1] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins=1 +//[MSAN-2] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins + +#![crate_type="lib"] + +// MSAN-0-NOT: @__msan_track_origins +// MSAN-1: @__msan_track_origins = weak_odr local_unnamed_addr constant i32 1 +// MSAN-2: @__msan_track_origins = weak_odr local_unnamed_addr 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; +} |