diff options
Diffstat (limited to 'tests/codegen-llvm/sanitizer/memory-track-origins.rs')
| -rw-r--r-- | tests/codegen-llvm/sanitizer/memory-track-origins.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/codegen-llvm/sanitizer/memory-track-origins.rs b/tests/codegen-llvm/sanitizer/memory-track-origins.rs new file mode 100644 index 00000000000..318c277e10c --- /dev/null +++ b/tests/codegen-llvm/sanitizer/memory-track-origins.rs @@ -0,0 +1,31 @@ +// 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; +} |