RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-02-15 08:19:51 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Support: Drop LLVM_ATTRIBUTE_UNUSED_RESULT

Browse Source 
Uses of this have all been updated to use LLVM_NODISCARD, which
matches the C++17 [[nodiscard]] semantics rather than those of GCC's
__attribute__((warn_unused_result)).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284367 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2016-10-17 07:37:11 +00:00
parent 043b10deff
commit 0ebe9c2f81
2 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
docs/ReleaseNotes.rst
View File

@ -41,6 +41,10 @@ Non-comprehensive list of changes in this release
functionality, or simply have a lot to talk about), see the `NOTE` below
for adding a new subsection.
* The definition and uses of LLVM_ATRIBUTE_UNUSED_RESULT in the LLVM source
were replaced with LLVM_NODISCARD, which matches the C++17 [[nodiscard]]
semantics rather than gcc's __attribute__((warn_unused_result)).
* ... next change ...
.. NOTE

9
include/llvm/Support/Compiler.h
View File

@ -130,15 +130,6 @@
#define LLVM_ATTRIBUTE_USED
#endif
/// LLVM_ATTRIBUTE_UNUSED_RESULT - Deprecated. Use LLVM_NODISCARD instead.
#if __has_attribute(warn_unused_result) || LLVM_GNUC_PREREQ(3, 4, 0)
#define LLVM_ATTRIBUTE_UNUSED_RESULT __attribute__((__warn_unused_result__))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_UNUSED_RESULT _Check_return_
#else
#define LLVM_ATTRIBUTE_UNUSED_RESULT
#endif
/// LLVM_NODISCARD - Warn if a type or return value is discarded.
#if __cplusplus > 201402L && __has_cpp_attribute(nodiscard)
#define LLVM_NODISCARD [[nodiscard]]