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detect `aarch64_32` with compiler defined macro `__ARM64_ARCH_8_32__`
reuse ARM `__kmp_unnamed_critical_addr` and add `KMP_PREFIX_UNDERSCORE`
macro like AARCH64
reuse AARCH64 `__kmp_invoke_microtask`
build log for watchos armv7k + arm64_32 and watchos simulator x86_64 +
arm64
https://github.com/nihui/action-protobuf/actions/runs/8520684611/job/23337305030
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* openmp/README.rst
- Add s390x to those platforms supported
* openmp/libomptarget/plugins-nextgen/CMakeLists.txt
- Add s390x subdirectory
* openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt
- Add s390x definitions
* openmp/runtime/CMakeLists.txt
- Add s390x to those platforms supported
* openmp/runtime/cmake/LibompGetArchitecture.cmake
- Define s390x ARCHITECTURE
* openmp/runtime/cmake/LibompMicroTests.cmake
- Add dependencies for System z (aka s390x)
* openmp/runtime/cmake/LibompUtils.cmake
- Add S390X to the mix
* openmp/runtime/cmake/config-ix.cmake
- Add s390x as a supported LIPOMP_ARCH
* openmp/runtime/src/kmp_affinity.h
- Define __NR_sched_[get|set]addinity for s390x
* openmp/runtime/src/kmp_config.h.cmake
- Define CACHE_LINE for s390x
* openmp/runtime/src/kmp_os.h
- Add KMP_ARCH_S390X to support checks
* openmp/runtime/src/kmp_platform.h
- Define KMP_ARCH_S390X
* openmp/runtime/src/kmp_runtime.cpp
- Generate code when KMP_ARCH_S390X is defined
* openmp/runtime/src/kmp_tasking.cpp
- Generate code when KMP_ARCH_S390X is defined
* openmp/runtime/src/thirdparty/ittnotify/ittnotify_config.h
- Define ITT_ARCH_S390X
* openmp/runtime/src/z_Linux_asm.S
- Instantiate __kmp_invoke_microtask for s390x
* openmp/runtime/src/z_Linux_util.cpp
- Generate code when KMP_ARCH_S390X is defined
* openmp/runtime/test/ompt/callback.h
- Define print_possible_return_addresses for s390x
* openmp/runtime/tools/lib/Platform.pm
- Return s390x as platform and host architecture
* openmp/runtime/tools/lib/Uname.pm
- Set hardware platform value for s390x
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This patch fixes the flang detection in the openmp fortran offloading test.
Reviewed By: jsjodin
Differential Revision: https://reviews.llvm.org/D158546
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Add CHECK_OPENMP_ENV environment variable which will be passed to environment
variables for test (make check-* target). This provides a handy way to
exercise various openmp code with different settings during development.
For example, to change default barrier pattern:
```
$ env CHECK_OPENMP_ENV="KMP_FORKJOIN_BARRIER_PATTERN=hier,hier \
KMP_PLAIN_BARRIER_PATTERN=hier,hier \
KMP_REDUCTION_BARRIER_PATTERN=hier,hier" \
ninja check-openmp
```
Even with this, each test can set appropriate environment variables if needed
as before.
Also, this commit adds missing documention about how to run tests in README.
Patch provided by t-msn
Differential Revision: https://reviews.llvm.org/D122645
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Flang currently supports offloading for AMD GPUs. This patch establishes a test structure for Fortran offloading tests in libomptarget.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D148778
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GCC, glibc, binutils, and LLVM have added support for LoongArch64.
This patch adds support for LLVM OpenMP following D59880 for RISCV64.
Reviewed By: MaskRay, SixWeining
Differential Revision: https://reviews.llvm.org/D132925
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This reverts commit f7a33090a91015836497c75f173775392ab0304d.
Unfortunately this causes a number of failures that didn't show up in my
local build.
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We held off on this before as `LLVM_LIBDIR_SUFFIX` conflicted with it.
Now we return this.
`LLVM_LIBDIR_SUFFIX` is kept as a deprecated way to set
`CMAKE_INSTALL_LIBDIR`. The other `*_LIBDIR_SUFFIX` are just removed
entirely.
I imagine this is too potentially-breaking to make LLVM 15. That's fine.
I have a more minimal version of this in the disto (NixOS) patches for
LLVM 15 (like previous versions). This more expansive version I will
test harder after the release is cut.
Reviewed By: sebastian-ne, ldionne, #libc, #libc_abi
Differential Revision: https://reviews.llvm.org/D130586
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behavior of libomptarget lit test
By default, `lit` uses all threads to invoke tests, which can easily cause out
of memory on GPUs because most of OpenMP offloading test usually take about 1GB
GPU memory, but a typical GPU only has 4-8GB memory. This patch introduce a
CMake argument `LIBOMPTARGET_LIT_ARGS` to allow users to control the behavior of
`libomptarget` tests, similar to `LLVM_LIT_ARGS`.
Reviewed By: JonChesterfield
Differential Revision: https://reviews.llvm.org/D106236
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I want to start using LLVM component libraries in libomptarget
to stop duplicating implementations already available in LLVM
(e.g. LLVMObject, LLVMSupport, etc.). Without relying on LLVM
in all libomptarget builds one has to provide fallback implementation
for each used LLVM feature.
This is an attempt to stop supporting out-of-llvm-tree builds of libomptarget.
I understand that I may need to revert this,
if this affects downstream projects in a bad way.
Differential Revision: https://reviews.llvm.org/D101509
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If available, use the clang that is already built in the same project as
CUDA compiler unless another executable is explicitly defined. This also
ensures the generated deviceRTL IR will be consistent with the version
of Clang.
This patch is required to reliably test OpenMP offloading in a buildbot
without either a two-stage build (e.g. with LLVM_ENABLE_RUNTIMES) or a
separately installed clang on the worker that will eventually become
outdated.
Reviewed By: tianshilei1992
Differential Revision: https://reviews.llvm.org/D101265
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The check-libomptarget fails when building with LLVM_ENABLE_PROJECTS. This is because test configuration misses the path to libomp.so and libLLVMSupport.so when time profiling is enabled (both libraries have the same path when building). This patch add the path to the configuration.
Reviewed By: vzakhari
Differential Revision: https://reviews.llvm.org/D95376
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With D94745, we no longer use CUDA SDK to compile `deviceRTLs`. Therefore,
many CMake code in the project is useless. This patch cleans up unnecessary code
and also drops the requirement to build NVPTX `deviceRTLs`. CUDA detection is
still being used however to determine whether we need to involve the tests. Auto
detection of compute capability is enabled by default and can be disabled by
setting CMake variable `LIBOMPTARGET_NVPTX_AUTODETECT_COMPUTE_CAPABILITY=OFF`.
If auto detection is enabled, and CUDA is also valid, it will only build the
bitcode library for the detected version; otherwise, all variants supported will
be generated. One drawback of this patch is, we now generate 96 variants of
bitcode library, and totally 1485 files to be built with a clean build on a
non-CUDA system. `LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=""` can be used to
disable building NVPTX `deviceRTLs`.
Reviewed By: JonChesterfield
Differential Revision: https://reviews.llvm.org/D95466
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Without this patch, the openmp project's test suites do not appear to
have support for negative tests. However, D78170 needs to add a test
that an expected runtime failure occurs.
This patch makes `not` visible in all of the openmp project's test
suites. In all but `libomptarget/test`, it should be possible for a
test author to insert `not` before a use of the lit substitution for
running a test program. In `libomptarget/test`, that substitution is
target-specific, and its value is `echo` when the target is not
available. In that case, inserting `not` before a lit substitution
would expect an `echo` fail, so this patch instead defines a separate
lit substitution for expected runtime fails.
Reviewed By: jdoerfert, Hahnfeld
Differential Revision: https://reviews.llvm.org/D78566
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All other files are already C++ and the build system has always
passed '-x c++' for C files, effectively compiling them as C++.
To stay warning free we need one fix in ittnotify_static.{c,cpp}:
The variable dll_path can be written to, so it must not be const.
GCC complained with -Wcast-qual and I think it's right.
Differential Revision: https://reviews.llvm.org/D65285
llvm-svn: 367343
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This is a port of libomp for the RISC-V 64-bit Linux target.
We have tested this port on a HiFive Unleashed development board
using a downstream LLVM that has support for the missing bits in
upstream. As of now, all tests are passing, including OMPT.
Patch by Ferran Pallarès!
Differential Revision: https://reviews.llvm.org/D59880
llvm-svn: 367021
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Remove all older OMP spec versioning from the runtime and build system.
Patch by Terry Wilmarth
Differential Revision: https://reviews.llvm.org/D64534
llvm-svn: 365963
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This is broken per PR36561 and PR36574, so disable it for now until
somebody interested can take a look. OMPT can still be activated manually
by passing -DLIBOMP_OMPT_SUPPORT=ON during configuration.
Differential Revision: https://reviews.llvm.org/D50086
llvm-svn: 338721
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Move all logic related to selecting the bitcode compiler and linker
into a new file and dynamically test required compiler flags. This
also adds -fcuda-rdc for Clang trunk as previously attempted in D44992
which fixes the build.
As a result this change also enables building the library by default
if all prerequisites are met.
Differential Revision: https://reviews.llvm.org/D46901
llvm-svn: 332494
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runtime inlining
Summary:
Different NVIDIA GPUs support different compute capabilities. To enable the inlining of runtime functions and the best performance on different generations of NVIDIA GPUs, a bc library for each compute capability needs to be compiled. The same compiler build will then be usable in conjunction with multiple generations of NVIDIA GPUs.
To differentiate between versions of the same bc lib, the output file name will contain the compute capability ID.
Depends on D14254
Reviewers: Hahnfeld, hfinkel, carlo.bertolli, caomhin, ABataev, grokos
Reviewed By: Hahnfeld, grokos
Subscribers: guansong, mgorny, openmp-commits
Differential Revision: https://reviews.llvm.org/D41724
llvm-svn: 324904
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device RTLs.
This patch implements the device runtime library whose interface is used in the code generation for OpenMP offloading devices.
Currently there is a single device RTL written in CUDA meant to CUDA enabled GPUs.
The interface is a variation of the kmpc interface that includes some extra calls to do thread and storage management that only make sense for a GPU target.
Differential revision: https://reviews.llvm.org/D14254
llvm-svn: 323649
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llvm-svn: 323180
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This patch enables OMPT by default if version 50 or later is built and the config says, that OMPT will be supported.
Differential Revision: https://reviews.llvm.org/D41508
llvm-svn: 321675
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We now have several options that apply for both libraries and they
shouldn't be documented in multiple files. When already merging
the two Build_With_CMake.txt documents, convert them to
reStructuredText which is used for all of LLVM's documentation.
Differential Revision: https://reviews.llvm.org/D40920
llvm-svn: 321481
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