llvm-project/clang
James Y Knight aca3d067ef Fix Darwin 'constinit thread_local' variables.
Unlike other platforms using ItaniumCXXABI, Darwin does not allow the
creation of a thread-wrapper function for a variable in the TU of
users. Because of this, it can set the linkage of the thread-local
symbol to internal, with the assumption that no TUs other than the one
defining the variable will need it.

However, constinit thread_local variables do not require the use of
the thread-wrapper call, so users reference the variable
directly. Thus, it must not be converted to internal, or users will
get a link failure.

This was a regression introduced by the optimization in
00223827a9.

Differential Revision: https://reviews.llvm.org/D80417
2020-05-27 11:59:30 -04:00
..
INPUTS
bindings Revert "Temporarily revert "build: use `find_package(Python3)` if available"" 2020-04-29 01:38:08 +00:00
cmake Re-commit "[cmake] Allow std::filesystem tests in CrossWinToARMLinux.cmake" 2020-05-25 19:14:54 +03:00
docs Update release notes with porting guide for AST Matchers 2020-05-27 13:21:06 +01:00
examples [CMake] Fix building with -DBUILD_SHARED_LIBS=ON on mingw 2020-05-11 23:51:14 +03:00
include [OPENMP50]Initial support for use_device_addr clause. 2020-05-27 11:35:31 -04:00
lib Fix Darwin 'constinit thread_local' variables. 2020-05-27 11:59:30 -04:00
runtime
test Fix Darwin 'constinit thread_local' variables. 2020-05-27 11:59:30 -04:00
tools [OPENMP50]Initial support for use_device_addr clause. 2020-05-27 11:35:31 -04:00
unittests Add support for UnaryOperator in SyntaxTree 2020-05-27 17:12:46 +02:00
utils [analyzer] SATestBuild.py: Fix hang when one of the tasks fails 2020-05-22 19:15:00 +03:00
www Fix parsing of enum-base to follow C++11 rules. 2020-05-08 19:32:00 -07:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitignore
CMakeLists.txt Revert "Temporarily revert "build: use `find_package(Python3)` if available"" 2020-04-29 01:38:08 +00:00
CODE_OWNERS.TXT
INSTALL.txt
LICENSE.TXT
ModuleInfo.txt
NOTES.txt
README.txt Revert "[nfc] test commit" 2020-05-16 15:12:04 -05:00

README.txt

//===----------------------------------------------------------------------===//
// C Language Family Front-end
//===----------------------------------------------------------------------===//

Welcome to Clang.  This is a compiler front-end for the C family of languages
(C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM
compiler infrastructure project.

Unlike many other compiler frontends, Clang is useful for a number of things
beyond just compiling code: we intend for Clang to be host to a number of
different source-level tools.  One example of this is the Clang Static Analyzer.

If you're interested in more (including how to build Clang) it is best to read
the relevant web sites.  Here are some pointers:

Information on Clang:             http://clang.llvm.org/
Building and using Clang:         http://clang.llvm.org/get_started.html
Clang Static Analyzer:            http://clang-analyzer.llvm.org/
Information on the LLVM project:  http://llvm.org/

If you have questions or comments about Clang, a great place to discuss them is
on the Clang development mailing list:
  http://lists.llvm.org/mailman/listinfo/cfe-dev

If you find a bug in Clang, please file it in the LLVM bug tracker:
  http://llvm.org/bugs/