31 lines
1.2 KiB
Rust
31 lines
1.2 KiB
Rust
// Verifies that MemorySanitizer track-origins level can be controlled
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// with -Zsanitizer-memory-track-origins option.
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//
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// needs-sanitizer-memory
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// revisions:MSAN-0 MSAN-1 MSAN-2 MSAN-1-LTO MSAN-2-LTO
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//
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//[MSAN-0] compile-flags: -Zsanitizer=memory
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//[MSAN-1] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins=1
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//[MSAN-2] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins
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//[MSAN-1-LTO] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins=1 -C lto=fat
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//[MSAN-2-LTO] compile-flags: -Zsanitizer=memory -Zsanitizer-memory-track-origins -C lto=fat
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#![crate_type="lib"]
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// MSAN-0-NOT: @__msan_track_origins
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// MSAN-1: @__msan_track_origins = weak_odr {{.*}}constant i32 1
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// MSAN-2: @__msan_track_origins = weak_odr {{.*}}constant i32 2
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// MSAN-1-LTO: @__msan_track_origins = weak_odr {{.*}}constant i32 1
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// MSAN-2-LTO: @__msan_track_origins = weak_odr {{.*}}constant i32 2
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//
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// MSAN-0-LABEL: define void @copy(
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// MSAN-1-LABEL: define void @copy(
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// MSAN-2-LABEL: define void @copy(
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#[no_mangle]
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pub fn copy(dst: &mut i32, src: &i32) {
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// MSAN-0-NOT: call i32 @__msan_chain_origin(
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// MSAN-1-NOT: call i32 @__msan_chain_origin(
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// MSAN-2: call i32 @__msan_chain_origin(
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*dst = *src;
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}
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