* Generate `//:vars.bzl` from `llvm/CMakeLists.txt`
`_extract_cmake_settings()` generates `//:vars.bzl` in `llvm_configure()`.
It would be easier to use external commands like sed(1) and python.
For portability, I think the parser should run on Starlark.
`@llvm-project//:vars.bzl` may be loaded from both WORKSPACE and BUILD.
At the moment, `vars.bzl` provides some values as string.
- CMAKE_CXX_STANDARD = "17"
- LLVM_VERSION_MAJOR = "16"
- LLVM_VERSION_MINOR = "0"
- LLVM_VERSION_PATCH = "0"
- LLVM_VERSION = "16.0.0"
- llvm_vars = (dict of these values)
`CMAKE_CXX_STANDARD` may be used to configure toolchain.
* Use `//vars.bzl` for each BUILD files
It would be smarter if the BUILD phase could generate `llvm-config.h`.
Since I am afraid of the discussion in D126581, I just remove
LLVM_VERSION stuff out of the static `llvm-config.h`.
* Eliminate Bazel stuff in 'bump-version.py'
Current version of `bump-version.py` tries to substitute CLANG_VERSION.
It is the reason why I modify bump-version in this change rather than
incoming patch.
Differential Revision: https://reviews.llvm.org/D136392
The `CLANG_OPENMP_NVPTX_DEFAULT_ARCH` is a static build configuration to
set the default OpenMP value. This was replaced in D141708 with the use
of the `nvptx-arch` tool which lets us query this at runtime instead.
This makes the behaviour between AMD and NVIDIA be more consisten and
allows users to have a default architecture that does not rely on
whoever configured the LLVM build.
Depends on D141708
Reviewed By: tra, MaskRay
Differential Revision: https://reviews.llvm.org/D141723
This transform op uses `mlir::simplifyConstrainedMinMaxOp` to simplify `affine.min` and `affine.max` ops based on a given constraints.
Differential Revision: https://reviews.llvm.org/D140997
The Annotations helper class does not have a gtest or gmock dependency, but because it's bundled with the rest of TestingSupport, it gets one. By splitting it out, a target can use it without being forced to use LLVM's copy of gtest.
Reviewed By: GMNGeoffrey, sammccall, gribozavr2
Differential Revision: https://reviews.llvm.org/D141175
Similar to D113952 for mlir.
I have added many missing dependencies so that
`bazel-5.0.0 build --config=generic_clang --features=layering_check @llvm-project//llvm:all @llvm-project//clang:all`
works now.
Enable the feature to ensure layering and catch circular dependencies
(https://llvm.org/docs/CodingStandards.html#library-layering).
Reviewed By: GMNGeoffrey, rupprecht
Differential Revision: https://reviews.llvm.org/D141553
Commit b4477dd8c5d1f9b27cc6d8f52106359e4f0afe66,
"[Bazel] Add //llvm:TargetParser depenendency to clang driver for RISCVTargetParserDef.inc",
was missing a comma. This fixes that.
This will be used to implement the case insensitive str{,n}casecmp
This was initially reverted because it broke tests on arm platforms.
Unfortunately, it didn't break on my arm machine, but I suspect the
problem was the old comparator returned char and not int.
Differential Revision: https://reviews.llvm.org/D141235
It was originally placed in TransformInterfaces for convenience, but it
is really a generic utility. It may also create an include cycle between
TransformTypes and TransformInterfaces if the latter needs to include
the former because the former uses the failure util.
Reviewed By: springerm
Differential Revision: https://reviews.llvm.org/D140978
Fix an off-by-one error in extended umul extension for WebGPU.
Revert to the long multiplication algorithm originally added to wide
integer emulation, which was deleted in D139776. It is much easier
to see why it is correct.
Add runtime tests based on the mlir-vulkan-runner. These run both with
and without umul extension.
Issue: https://github.com/llvm/llvm-project/issues/59563
Reviewed By: antiagainst
Differential Revision: https://reviews.llvm.org/D141085
Move code from SCF to Affine: Add a new helper function `simplifyConstrainedMinMaxOp` to Affine/Analysis/Utils.h. `canonicalizeMinMaxOp` was originally designed for loop peeling, but it is not SCF-specific and can be used to simplify any affine.min/max ops.
Various functions in SCF/Transforms are simplified by dropping unnecessary parameters.
Differential Revision: https://reviews.llvm.org/D140962
Buildkite does not allow user perf monitoring and fails: https://buildkite.com/llvm-project/upstream-bazel/builds/49579.
```
[ RUN ] PerfHelperTest.FunctionalTest
Unable to open event. ERRNO: Permission denied. Make sure your kernel allows user space perf monitoring.
You may want to try:
$ sudo sh -c 'echo -1 > /proc/sys/kernel/perf_event_paranoid'
llvm_exegesis_tests: external/llvm-project/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp:111: llvm::exegesis::pfm::Counter::Counter(llvm::exegesis::pfm::PerfEvent &&): Assertion `FileDescriptor != -1 && "Unable to open event"' failed.
```
We used to have `pfm` built into exegesis, although since it's an external dependency we marked it as a manual target. Because of this we didn't have buildbot coverage and so we removed it in D134510 after we had a few breakages that weren't caught. This adds it back, but with three possible states similar to the story with `mpfr`, i.e. it can either be disabled, built from external sources (git/make), or use whatever `-lpfm` is installed on the system.
This change is modeled after D119547. Like that patch, the default is off (matching the status quo), but unlike that patch we don't enable it for CI because IIRC we don't have the package installed there, and building from source might be expensive. We could enable it later either after installing it on buildbot machines or by measuring build cost and deeming it OK.
Reviewed By: GMNGeoffrey
Differential Revision: https://reviews.llvm.org/D138470
