Added cast operations to the table of vector operations. Supported status 'no' means that there are no tests in the Clang test suite for the given cast.


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  "vf[0]" ==> "vs[0]"



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In unroll pragma syntax and loop hint metadata, change "enable" forms to a new form using the string "full".

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Add documentations for ACLE memory barrier intrinsics, describing their motion
barrier characteristics.


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Also consolidate 'backward compatibility'

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ARMv8 adds (to both AArch32 and AArch64) acquiring and releasing
variants of the exclusive operations, in line with the C++11 memory
model.

This adds support for two new intrinsics to expose them to C & C++
developers directly: __builtin_arm_ldaex and __builtin_arm_stlex, in
direct analogy with the versions with no implicit barrier.

rdar://problem/15885451

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Extend the documentation for "#pragma clang loop" hints to include the unroll
and unroll_count directives.

Patch by Mark Heffernan [http://reviews.llvm.org/D4198]



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Reviewed by: Aaron Ballman and Dmitri Gribenko


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to the normal non-placement ::operator new and ::operator delete, but allow
optimizations like new-expressions and delete-expressions do.


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This keeps Clang consistent with backend naming conventions.

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cxx_decltype_auto, and fix documentation of cxx_generic_lambdas and
cxx_init_captures to specify the right feature-check name.


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This adds Clang support for the ARM64 backend. There are definitely
still some rough edges, so please bring up any issues you see with
this patch.

As with the LLVM commit though, we think it'll be more useful for
merging with AArch64 from within the tree.

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Moving the documentation for the type safety checking attributes into AttrDocs. If a custom heading is provided, do not automatically generate the alternate spelling list. This is necessary because some attributes have distinct semantic spellings and meanings, but use the same semantic attribute internally. Such attributes should have multiple elements in their documentation list, but not show all spellings. At some point, it would be nice to have a way to attach the documentation element to a specific spelling for these cases.

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Doing some temporary touch-up on the gnu namespace attribute documentation, from a post-commit review comment.

Ideally, this content will eventually find a home with the rest of the attribute documentation.

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Refactored the way attribute category headers are handled so that it is possible to use custom categories. This allows for moving the consumable attributes (consumable, callable_when, return_typestate, etc) to be grouped together, with a content heading, like they were in the language extensions documentation. Moved the consumable attribute documentation from the language extensions into the attribute documentation table.

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Moving the documentation for the enable_if attribute into AttrDocs. Removed the "clang introduces" phrase for style consistency, but otherwise the documentation is identical.

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Implement type trait primitives used in the latest edition of the Microsoft
standard C++ library type_traits header.

With this change we can parse much of the Visual Studio 2013 standard headers,
particularly anything that includes <type_traits>.

Fully implemented, available in all language modes:

 * __is_constructible()
 * __is_nothrow_constructible()
 * __is_nothrow_assignable()

Partially implemented, semantic analysis WIP, available as MS extensions:

 * __is_destructible()
 * __is_nothrow_destructible()

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Update the documentation to clarify the intent of clang's built-in type trait
facilities, their relation to user-facing C++ type traits and means to check
for availability.

Also explain that __has_feature() is not currently up to date and should not
generally be used in user code (there's a proposal to provide more consistent
checks via __has_builtin(), see cfe-dev).

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Fix the attribute enable_if example in the docs to be 100% real-world, instead of merely being close to the real world to mislead people. This now matches the test.


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This C++ feature has been marked complete since r191549, but the documentation
claimed it wasn't supported at all and the extension check misreported it as
being available in C.

No regression test; this was a short-lived typo.

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Add a new attribute 'enable_if' which can be used to control overload resolution based on the values of the function arguments at the call site.


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