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package"
This broke the build, ending up with too long command-lines when invoking gen-mscv-exports.py.
> As it says in the subject, should have gone long enough now that this
> should be safe. This will greatly simplify dealing with LLVM for people
> that just want to use the C API on windows. This is a follow up from
> D35077.
>
> Patch by Jakob Bornecrantz!
>
> Differential revision: https://reviews.llvm.org/D56774
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As it says in the subject, should have gone long enough now that this
should be safe. This will greatly simplify dealing with LLVM for people
that just want to use the C API on windows. This is a follow up from
D35077.
Patch by Jakob Bornecrantz!
Differential revision: https://reviews.llvm.org/D56774
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Reviewers: zturner
Subscribers: mgorny, jkorous, dexonsmith, llvm-commits
Differential Revision: https://reviews.llvm.org/D55942
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- Disable incremental linking by default. /INCREMENTAL adds extra thunks in the EXE, which makes execution slower.
- Set /MT (static CRT lib) by default instead of CMake's default /MD (dll CRT lib). The previous default /MD makes all DLL functions to be thunked, thus making execution slower (memcmp, memset, etc.)
- Adds LLVM_ENABLE_INCREMENTAL_LINK which is set to OFF by default.
Differential revision: https://reviews.llvm.org/D55056
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Summary:
Currently we can't install the modulemaps provided by LLVM, since they are not structured to support headers generated as part of the build (ex. `llvm/IR/Attributes.gen`).
This patch restructures the module maps in order to support installation.
Modules containing generated headers are defined in the new `module.extern.modulemap` file, and are referenced from the main `module.modulemap` using `extern module`. There are two versions of the `module.extern.modulemap` file; one used when building and another, `module.install.modulemap`, which is re-named during installation.
Users can opt-into module map installation using `-DLLVM_INSTALL_MODULEMAPS=ON`. The default value is `OFF` due to llvm.org/PR31905.
Reviewers: rsmith, mehdi_amini, bruno, EricWF
Reviewed By: EricWF
Subscribers: tschuett, chapuni, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D53510
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Summary: Allow code-signing with entitlements. FORCE may be used to avoid an error when replacing existing signatures.
Reviewers: beanz, bogner
Reviewed By: beanz
Subscribers: mgorny, llvm-commits, lldb-commits
Differential Revision: https://reviews.llvm.org/D54443
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This reverts commit rL346367 due to test error in compiler-rt.
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Make the check_include_file* macros honor CMAKE_REQUIRED_LIBRARIES. This
shouldn't cause any of the configuration checks to give different
results (and I did clean configures before and after this change and
confirmed that the resulting CMake caches were identical, though of
course that's just one machine). This suppresses a warning when building
with CMake 3.12 or later.
This doesn't suppress the warning in clang, because clang does its own
cmake_minimum_required call even when being built in-tree, and that
resets all policy settings. I'll address that separately.
Differential Revision: https://reviews.llvm.org/D54236
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Summary:
Code in config-ix tries to call `PYTHON_EXECUTABLE` to search for some
python modules but that variable isn't set until the moved chunk of
code that finds Python is called.
Reorder it so CMake can use PYTHON_EXECUTABLE
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D52763
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This is just one place I missed swapping CMAKE_CONFIGURATION_TYPES with LLVM_ENABLE_IDE.
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There are several places where we use CMAKE_CONFIGURATION_TYPES to determine if we are using an IDE generator and in turn decide not to generate some of the convenience targets (like all the install-* and check-llvm-* targets). This decision is made because IDEs don't always deal well with the thousands of targets LLVM can generate.
This approach does not work for Visual Studio 15's new CMake integration. Because VS15 uses a Ninja generator, it isn't a multi-configuration build, and generating all these extra targets mucks up the UI and adds little value.
With this change we still don't generate these targets by default for Visual Studio and Xcode generators, and LLVM_ENABLE_IDE becomes a switch that can be enabled on the VS15 CMake builds, to improve the IDE experience.
This is a re-land of r340435, with a few minor fix-ups. The issues causing the revert were addressed in r344218, r344219, and r344553.
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Summary:
After fixing memory leaks in rL343362 and rL343733 the sanitizer builds are
clean and we should be good to build by default again.
Differential Revision: https://reviews.llvm.org/D52850
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There is a memory leak which is detected in some of the sanitizer builds.
MCSymbolWasm contains SmallVectors for holding signature information,
however MCContext doesn't run destructors for MCSymbols, so in cases
where the SmallVectors heap-allocate, the memory is leaked.
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This makes WebAssembly build by default, rather than requiring
LLVM_EXPERIMENTAL_TARGETS_TO_BUILD!
Differential Revision: https://reviews.llvm.org/D43211
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The assertion in MCCodeView.cpp was resolved in r340878.
This reverts both r340905 and r340836, making benchmarks build by
default everywhere.
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This simplifies installing all LLVM libraries when doing component
build; now you can include llvm-libraries in distribution components.
Differential Revision: https://reviews.llvm.org/D51603
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That resulted in the check-llvm-* targets not being avaliable
in the QtCreator-configured build directories.
Moreover, that was a clearly non-NFC change, and i can't find any review
for it.
This reverts commit rL340435.
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The problems with benchmark build should be fixed now, but Windows
buildbots still run into errors seemingly because of the bug in
clang-cl. Because of that, benchmark shouldn't be built on Windows at
this point.
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Although the benchmark regex-related build issue seems to be
fixed, it appears that benchmark library triggers some stage 2 clang-cl
bugs:
http://lab.llvm.org:8011/builders/clang-x86-windows-msvc2015/builds/13495/steps/build%20stage%202/logs/stdio
The only sensible option now is to prevent benchmark library from
building in the default configuration.
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This is cleanup after newly introduced google/benchmark library
(rL340809). Many buildbots fail to identify regex engine support, so
this should presumably fix the issue.
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This patch pulls google/benchmark v1.4.1 into the LLVM tree so that any
project could use it for benchmark generation. A dummy benchmark is
added to `llvm/benchmarks/DummyYAML.cpp` to validate the correctness of
the build process.
The current version does not utilize LLVM LNT and LLVM CMake
infrastructure, but that might be sufficient for most users. Two
introduced CMake variables:
* `LLVM_INCLUDE_BENCHMARKS` (`ON` by default) generates benchmark
targets
* `LLVM_BUILD_BENCHMARKS` (`OFF` by default) adds generated
benchmark targets to the list of default LLVM targets (i.e. if `ON`
benchmarks will be built upon standard build invocation, e.g. `ninja` or
`make` with no specific targets)
List of modifications:
* `BENCHMARK_ENABLE_TESTING` is disabled
* `BENCHMARK_ENABLE_EXCEPTIONS` is disabled
* `BENCHMARK_ENABLE_INSTALL` is disabled
* `BENCHMARK_ENABLE_GTEST_TESTS` is disabled
* `BENCHMARK_DOWNLOAD_DEPENDENCIES` is disabled
Original discussion can be found here:
http://lists.llvm.org/pipermail/llvm-dev/2018-August/125023.html
Reviewed by: dberris, lebedev.ri
Subscribers: ilya-biryukov, ioeric, EricWF, lebedev.ri, srhines,
dschuff, mgorny, krytarowski, fedor.sergeev, mgrang, jfb, llvm-commits
Differential Revision: https://reviews.llvm.org/D50894
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This was needed way back because we didn't properly handle that the SOURCES property of a target could have things that weren't source files to compile. Almost 2 years ago Takumi fixed that, and now CMake is throwing warnings that we should get off the old behavior.
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There are several places where we use CMAKE_CONFIGURATION_TYPES to determine if we are using an IDE generator and in turn decide not to generate some of the convenience targets (like all the install-* and check-llvm-* targets). This decision is made because IDEs don't always deal well with the thousands of targets LLVM can generate.
This approach does not work for Visual Studio 15's new CMake integration. Because VS15 uses a Ninja generator, it isn't a multi-configuration build, and generating all these extra targets mucks up the UI and adds little value.
With this change we still don't generate these targets by default for Visual Studio and Xcode generators, and LLVM_ENABLE_IDE becomes a switch that can be enabled on the VS15 CMake builds, to improve the IDE experience.
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Since crash dumping landed in r268519, May 2016, I have not once seen
anyone use an uploaded minidump to debug a compiler crash. Therefore,
I'm turning this off by default. The dumps clutter up user and buildbot
temp directories. Each file is only about 56KB, but it adds up.
In the context of clang, the extra line about the minidump confuses
users, when what we really want from them is the pre-processed source
code.
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Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D50528
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Summary:
The line
cmake_minimum_required(VERSION 3.4.3)
already has the effect of setting to NEW all policies present in that
release:
https://cmake.org/cmake/help/v3.4/manual/cmake-policies.7.html
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D50407
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(PR38476)
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Summary:
Hello!
This commit adds a LLVM-C target that is always built on MSVC. A big fat warning, this is my first cmake code ever so there is a fair bit of I-have-no-idea-what-I'm-doing going on here. Which is also why I placed it outside of llvm-shlib as I was afraid of breaking things of other people. Secondly llvm-shlib builds a LLVM.so which exports all symbols and then does a thin library that points to it, but on Windows we do not build a LLVM.dll so that would have complicated the code more.
The patch includes a python script that calls dumpbin.exe to get all of the symbols from the built libraries. It then grabs all the symbols starting with LLVM and generates the export file from those. The export file is then used to create the library just like the LLVM-C that is built on darwin.
Improvements that I need help with, to follow up this review.
- Get cmake to make sure that dumpbin.exe is on the path and wire the full path to the script.
- Use LLVM-C.dll when building llvm-c-test so we can verify that the symbols are exported.
- Bundle the LLVM-C.dll with the windows installer.
Why do this? I'm building a language frontend which is self-hosting, and on windows because of various tooling issues we have a problem of consuming the LLVM*.lib directly on windows. Me and the users of my projects using LLVM would be greatly helped by having LLVM-C.dll built and shipped by the Windows installer. Not only does LLVM takes forever to build, you have to run a extra python script in order to get the final DLL.
Any comments, thoughts or help is greatly appreciated.
Cheers, Jakob.
Patch by: Wallbraker (Jakob Bornecrantz)
Reviewers: compnerd, beanz, hans, smeenai
Reviewed By: beanz
Subscribers: xbolva00, bhelyer, Memnarch, rnk, fedor.sergeev, chapuni, smeenai, john.brawn, deadalnix, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D35077
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Summary:
This option is no longer needed since r300496 added symbol
versioning by default
Reviewers: sylvestre.ledru, beanz, mgorny
Reviewed By: mgorny
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D49835
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This new JIT event listener supports generating profiling data for
the linux 'perf' profiling tool, allowing it to generate function and
instruction level profiles.
Currently this functionality is not enabled by default, but must be
enabled with LLVM_USE_PERF=yes. Given that the listener has no
dependencies, it might be sensible to enable by default once the
initial issues have been shaken out.
I followed existing precedent in registering the listener by default
in lli. Should there be a decision to enable this by default on linux,
that should probably be changed.
Please note that until https://reviews.llvm.org/D47343 is resolved,
using this functionality with mcjit rather than orcjit will not
reliably work.
Disregarding the previous comment, here's an example:
$ cat /tmp/expensive_loop.c
bool stupid_isprime(uint64_t num)
{
if (num == 2)
return true;
if (num < 1 || num % 2 == 0)
return false;
for(uint64_t i = 3; i < num / 2; i+= 2) {
if (num % i == 0)
return false;
}
return true;
}
int main(int argc, char **argv)
{
int numprimes = 0;
for (uint64_t num = argc; num < 100000; num++)
{
if (stupid_isprime(num))
numprimes++;
}
return numprimes;
}
$ clang -ggdb -S -c -emit-llvm /tmp/expensive_loop.c -o
/tmp/expensive_loop.ll
$ perf record -o perf.data -g -k 1 ./bin/lli -jit-kind=mcjit /tmp/expensive_loop.ll 1
$ perf inject --jit -i perf.data -o perf.jit.data
$ perf report -i perf.jit.data
- 92.59% lli jitted-5881-2.so [.] stupid_isprime
stupid_isprime
main
llvm::MCJIT::runFunction
llvm::ExecutionEngine::runFunctionAsMain
main
__libc_start_main
0x4bf6258d4c544155
+ 0.85% lli ld-2.27.so [.] do_lookup_x
And line-level annotations also work:
│ for(uint64_t i = 3; i < num / 2; i+= 2) {
│1 30: movq $0x3,-0x18(%rbp)
0.03 │1 38: mov -0x18(%rbp),%rax
0.03 │ mov -0x10(%rbp),%rcx
│ shr $0x1,%rcx
3.63 │ ┌──cmp %rcx,%rax
│ ├──jae 6f
│ │ if (num % i == 0)
0.03 │ │ mov -0x10(%rbp),%rax
│ │ xor %edx,%edx
89.00 │ │ divq -0x18(%rbp)
│ │ cmp $0x0,%rdx
0.22 │ │↓ jne 5f
│ │ return false;
│ │ movb $0x0,-0x1(%rbp)
│ │↓ jmp 73
│ │ }
3.22 │1 5f:│↓ jmp 61
│ │ for(uint64_t i = 3; i < num / 2; i+= 2) {
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D44892
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This is a new modernized VS integration installer. It adds a
Visual Studio .sln file which, when built, outputs a VSIX that can
be used to install ourselves as a "real" Visual Studio Extension.
We can even upload this extension to the visual studio marketplace.
This fixes a longstanding problem where we didn't support installing
into VS 2017 and higher. In addition to supporting VS 2017, due
to the way this is written we now longer need to do anything special
to support future versions of VS as well. Everything should
"just work". This also fixes several bugs with our old integration,
such as MSBuild triggering full rebuilds when /Zi was used.
Finally, we add a new UI page called "LLVM" which becomes visible
when the LLVM toolchain is selected. For now this only contains
one option which is the path to clang-cl.exe, but in the future
we can add more things here.
Differential Revision: https://reviews.llvm.org/D42762
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Automatically codesign all executables and dynamic libraries if a
codesigning identity is given (via LLVM_CODESIGNING_IDENTITY). This
option is darwin only for now.
Also update platforms/iOS.cmake to pick up the right versions of
codesign and codesign_allocate.
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This change adds a support for multiarch style runtimes layout, so in
addition to the existing layout where runtimes get installed to:
lib/clang/$version/lib/$os
Clang now allows runtimes to be installed to:
lib/clang/$version/$target/lib
This also includes libc++, libc++abi and libunwind; today those are
assumed to be in Clang library directory built for host, with the
new layout it is possible to install libc++, libc++abi and libunwind
into the runtime directory built for different targets.
The use of new layout is enabled by setting the
LLVM_ENABLE_RUNTIME_TARGET_DIR CMake variable and is supported by both
projects and runtimes layouts. The runtimes CMake build has been further
modified to use the new layout when building runtimes for multiple
targets.
Differential Revision: https://reviews.llvm.org/D45604
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This can happen on macOS if the user's Xcode is at a path with spaces in it.
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This reverts commit r334543.
My understanding is, that commit is intended to make the llvm-build
invocation have a correct "--enable-optional-components" value, but:
- it already has a value: it's quoted in the command line a few lines
below, and, if I hack llvm-build to print sys.argv, it does look correct:
-- llvm-build output: ['.../utils/llvm-build/llvm-build',
'--native-target', 'X86', '--enable-targets', 'X86;ARM;AArch64',
'--enable-optional-components', '',
'--write-library-table',
'.../build/tools/llvm-config/LibraryDependencies.inc',
'--write-cmake-fragment', '.../build/LLVMBuild.cmake']
- the " " string seems to evaluate to TRUE in CMake (*sigh*), so this
basically force-enables LLVM_USE_INTEL_JITEVENTS, regardless of the
value of the option.
On Darwin, JITEvents is not supported, so this bypasses that OS check
but is guaranteed to fail later.
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Patch by Force.Charlie-I
If LLVM_USE_INTEL_JITEVENTS and LLVM_USE_OPROFILE not set,
"${LLVMOPTIONALCOMPONENTS}" is empty, but
**--enable-optional-components** need arg, Cause
**--write-library-table** to be skipped parsed.
Differential Revision: https://reviews.llvm.org/D47982
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This dependency was accidentally dropped in r319480, causing
install-distribution and install-llvm-headers to install an incomplete
set of headers (the generated Intrinsics and Attributes would be
missing).
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Differential Revision: https://reviews.llvm.org/D42026
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Summary:
This patch adds a new internal variable
LLVM_RUNTIME_DISTRIBUTION_COMPONENTS which specifies distribution
components that are part of runtime projects, and thus should be exposed
from runtime configuraitons up into the top-level CMake configurations.
This is required for allowing runtime components to be included in
LLVM_DISTRIBUTION_COMPONENTS because we verify that the build and
install targets exist for every component specified for the
distribution.
Without this patch runtimes and builtins can only be included in
distributions in whole, not by component.
Reviewers: phosek
Reviewed By: phosek
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D46705
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This behavior has been the default for a long time, so the default value is On, however this can make it difficult to debug sanitizer failures, so we should have an option to turn it off.
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It used to symlink dsymutil to llvm-dsymutil, but after r327790 llvm's dsymutil
binary is now called dsymutil without prefix.
r327792 then reversed the direction of the symlink if
LLVM_INSTALL_CCTOOLS_SYMLINKS was set, but that looks like a buildfix and not
like something anyone should need.
https://reviews.llvm.org/D45966
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Summary: Fixes PR37053.
Reviewers: uabelho, gchatelet
Subscribers: mgorny, tschuett, llvm-commits
Differential Revision: https://reviews.llvm.org/D45436
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These should exist in all toolchains LLVM supports nowadays.
Enables making DataTypes.h a regular header instead of a .h.cmake file and
allows deleting a bunch of cmake goop (which should also speed up cmake
configure time a bit).
All the code this removes is 9+ years old.
https://reviews.llvm.org/D45155
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Compiler.h is used by Demangle (which Support depends on) - so sink it
into Demangle to avoid a circular dependency
DataTypes.h is used by llvm-c (which Support depends on) - so sink it
into llvm-c.
DataTypes.h could probably be fixed the other way - making llvm-c depend
on Support instead of Support depending on llvm-c - if anyone feels
that's the better option, happy to work with them on that.
I /think/ this'll address the layering issues that previous attempts to
commit this have triggered in the Modules buildbot, but I haven't been
able to reproduce that build so can't say for sure. If anyone's having
trouble with this - it might be worth taking a look to see if there's a
quick fix/something small I missed rather than revert, but no worries.
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