Anastasia updated this revision to Diff 215598.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D66294/new/
https://reviews.llvm.org/D66294
Files:
docs/ReleaseNotes.rst
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -46,6 +46,8 @@
Major New Features
------------------
+- Experimental support for :ref:`C++ for OpenCL <openclcpp>` has been
+ added.
- ...
Improvements to Clang's diagnostics
@@ -133,6 +135,14 @@
C++ Language Changes in Clang
-----------------------------
+- Support for the address space attribute in various C++ features was improved,
+ refer to :ref:`C++ for OpenCL <openclcpp>` for more details. The following
+ features deviated from OpenCL:
+
+ (1) Address spaces as method qualifiers are not accepted yet;
+
+ (2) There is no address space deduction.
+
- ...
C++1z Feature Support
@@ -152,10 +162,86 @@
// clang used to encode this as "^{NSArray=#}" instead of "@".
const char *s0 = @encode(MyArray *);
-OpenCL C Language Changes in Clang
-----------------------------------
+OpenCL Kernel Language Changes in Clang
+---------------------------------------
-...
+OpenCL C
+^^^^^^^^
+
+- Enabled use of variadic macro as a Clang extension.
+
+- Added initial support for implicitly including OpenCL builtin
+ fuctions using efficient trie lookup generated by TableGen.
+ A corresponding frontend-only flag ``-fdeclare-opencl-builtins``
+ has been added to enable trie during parsing.
+
+- Refactored header file to be used for common parts between
+ regular header added using ``-finclude-default-header`` and trie
+ based declarations added using ``-fdeclare-opencl-builtins``.
+
+- Improved string formatting diagnostics in printf for vector types.
+
+- Simplified the internal representation of blocks, including their
+ generation in IR. Furthermore, indirect calls to block function
+ has been changed to direct function calls.
+
+- Added diagnostics for conversions of nested pointers with
+ different address spaces.
+
+- Added ``cl_arm_integer_dot_product`` extension.
+
+- Fixed global samplers in OpenCL v2.0.
+
+- Improved math builtin functions with parameters of type ``long
+ long`` for x86.
+
+.. _openclcpp:
+
+C++ for OpenCL
+^^^^^^^^^^^^^^
+
+Experimental support for C++17 features in OpenCL has been added
+and backwards compatibility with OpenCL C v2.0 was enabled.
+The documentation has been added for supported language features
+into :doc:`LanguageExtensions` and :doc:`UsersManual`.
+
+Implemented features are:
+- Address space behavior is improved in majority of C++ features:
+
+ - Templates parameters and arguments
+
+ - Reference types;
+
+ - Type deduction;
+
+ - Objects and member functions, including special member
+ functions;
+
+ - Builtin operators;
+
+ - Method qualifiers now include address space;
+
+ - Address space deduction has been extended for C++ use cases;
+
+ - Improved overload ranking rules.
+
+ - All standard cast operators now prevent converting address
+ spaces (except for conversions allowed implicitly). They
+ can still be cast using C-style cast.
+
+- Vector types as in OpenCL C, including compound vector
+ initialization.
+
+- OpenCL-specific types: images, samplers, events, pipes, are
+ accepted with exception of blocks.
+
+- OpenCL standard header in Clang can be compiled in C++ mode.
+
+- Global constructors can be invoked from the host side using
+ a specific, compiler-generated kernel.
+
+- Overloads with generic address space are added to all atomic
+ builtin functions, including the ones prior to OpenCL v2.0.
ABI Changes in Clang
--------------------
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