[PATCH] Unify clang/llvm attributes for asan/tsan/msan (Clang part)

[Chandler Carruth]

FYI, Richard Smith had more strong feelings about the Clang attributes than
I did. It was still in the vein of consolidating on a single predictable
pattern, but I'll defer this patch to him to review in case he wants to
tweak exactly what pattern that is. (I think he had more compelling
arguments for using one attribute and 3 string literals, I leave that in
his hands... =D)


On Fri, Feb 22, 2013 at 5:03 AM, Kostya Serebryany <kcc at google.com> wrote:

> Hi chandlerc, samsonov,
>
> These are two related changes (one in llvm, one in clang).
> LLVM:
>  -  rename address_safety => sanitize_address (the enum value is the same,
> so we preserve binary compatibility with old bitcode)
>  - rename thread_safety => sanitize_thread
>  - rename no_uninitialized_checks -> sanitize_memory
>
> CLANG:
>   - add __attribute__((no_sanitize_address)) as a synonym for
> __attribute__((no_address_safety_analysis))
>   - add __attribute__((no_sanitize_thread))
>   - add __attribute__((no_sanitize_memory))
>
> for S in address thread memory
>    If -fsanitize=S is present and __attribute__((no_sanitize_S)) is not
>        set llvm attribute sanitize_S
>
> http://llvm-reviews.chandlerc.com/D449
>
> Files:
>   test/CodeGenObjCXX/address-safety-attr.mm
>   test/CodeGen/address-safety-attr.cpp
>   test/CodeGen/sanitize-thread-attr.cpp
>   test/SemaCXX/attr-no-sanitize-address.cpp
>   test/SemaCXX/attr-no-sanitize-thread.cpp
>   test/SemaCXX/attr-no-sanitize-memory.cpp
>   include/clang/Basic/Attr.td
>   docs/MemorySanitizer.rst
>   docs/LanguageExtensions.rst
>   docs/AddressSanitizer.rst
>   docs/ThreadSanitizer.rst
>   lib/CodeGen/CGDeclCXX.cpp
>   lib/CodeGen/CodeGenModule.cpp
>   lib/Sema/SemaDeclAttr.cpp
>
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