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Alexey Bataev bb55ece269 [OPENMP][NVPTX]Relax flush directive. 
Summary:
According to the OpenMP standard, flush  makes a thread’s temporary view of memory consistent with memory and enforces an order on the memory operations of the variables explicitly specified or implied.

According to the Cuda toolkit documentation (https://docs.nvidia.com/cuda/archive/8.0/cuda-c-programming-guide/index.html#memory-fence-functions), __threadfence() functions provides required functionality.

__threadfence_system() also provides required functionality, but it also
includes some extra functionality, like synchronization of page-locked
host memory, synchronization for the host, etc. It is not required per
the standard and we can use more relaxed version of memory fence
operation.

Reviewers: grokos, gtbercea, kkwli0

Subscribers: guansong, jfb, jdoerfert, openmp-commits, caomhin

Tags: #openmp

Differential Revision: https://reviews.llvm.org/D62397

llvm-svn: 364572
 		2019-06-27 18:33:09 +00:00
clang [clang] Add DISuprogram and DIE for a func decl 2019-06-27 06:44:44 +00:00
clang-tools-extra [clangd] Emit semantic highlighting tokens when the main AST is built. 2019-06-27 15:13:03 +00:00
compiler-rt [scudo][standalone] Introduce the C & C++ wrappers [fixed] 2019-06-27 14:23:26 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-26 20:04:09 +00:00
libclc travis: Add LLVM-8 build 2019-03-27 21:28:31 +00:00
libcxx Followup to revision 364545: Turns out that clang issues different errors for C++11 vs c++2a, so I tweaked the 'expected-error' bits that I added to match either of them. 2019-06-27 15:37:31 +00:00
libcxxabi [demangle] Special case clang's creative mangling of __uuidof expressions. 2019-06-18 23:34:09 +00:00
libunwind [libunwind][AArch64] Fix libunwind::Registers_arm64::jumpto 2019-06-17 11:00:21 +00:00
lld Fix lld build on Windows with MSVC due to C2461 2019-06-27 17:19:28 +00:00
lldb Add a sanity check to the domain socket tests. 2019-06-27 16:45:23 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm Revert "[LiveDebugValues] Emit the debug entry values" 2019-06-27 18:12:04 +00:00
openmp [OPENMP][NVPTX]Relax flush directive. 2019-06-27 18:33:09 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [test] Add wrap flags after D61934. 2019-06-17 19:17:07 +00:00
pstl [pstl] Default to the serial backend when unspecified 2019-06-20 17:56:51 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Add a reduced copy of the llvm .gitignore 2019-04-09 00:52:49 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.