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Jonathan Peyton 76f3980a20 [OpenMP] Add omp_get_device_num() and update several other device API functions 
Add omp_get_device_num() function for 5.0 which returns the number of the
device the current thread is running on. Currently, we are leaving it to the
compiler to handle this properly if it is called inside target.

Also, did some cleanup and updating of duplicate device API functions (in both
libomp and libomptarget) to make them into weak functions that check for the
symbol from libomptarget, and will call the version in libomptarget if it is
present. If any additional device API functions are implemented also in
libomptarget in the future, we should add the dlsym calls to the host functions.
Also, if the omp_target_* functions are to be implemented for the host (this has
been requested), they should attempt to call the libomptarget versions as well.

Patch by Terry Wilmarth

Differential Revision: https://reviews.llvm.org/D55578

llvm-svn: 350352
 		2019-01-03 21:14:19 +00:00
clang Validate -add-plugin arguments. 2019-01-03 18:26:06 +00:00
clang-tools-extra [clangd] Fix detecting atomics in stand-alone builds 2019-01-03 16:43:27 +00:00
compiler-rt Re-disable the sanitizer_common/TestCases/Posix/getfsent.cc test. Recent macOS versions don't have the /etc/fstab file any more so we cannot test getfsent/setfsent APIs on Darwin. 2019-01-03 17:26:29 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc travis: Add cmake build 2018-11-27 16:07:21 +00:00
libcxx De-tab a couple tests. NFC 2019-01-03 17:18:40 +00:00
libcxxabi [libcxx] Remove bad_array_length 2018-11-29 19:44:57 +00:00
libunwind [SEH] Add initial support for AArch64 2018-12-18 20:05:59 +00:00
lld [test] Enable system-linker-elf feature on NetBSD [NFC] 2019-01-02 19:39:26 +00:00
lldb PECOFF: Remove tabs introduced accidentally in r350094 2019-01-03 12:07:38 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [CaptureTracking] Add a unit test for MaxUsesToExplore 2019-01-03 20:16:33 +00:00
openmp [OpenMP] Add omp_get_device_num() and update several other device API functions 2019-01-03 21:14:19 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [CMake] Fix generation of exported targets in build directory 2018-11-06 15:18:17 +00:00
pstl [pstl] Initial integration with LLVM's CMake 2018-12-21 15:59:04 +00:00
README.md Update the project name in README.md 2018-10-19 00:03:01 +00:00

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.