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This PR inlines the static `InputsOk` function in clang
`Compilation.cpp` driver, because it was just a simple function call and
was called only once. In addition, inlining it allows removing the
double negation.
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Introduces the SYCL based toolchain and initial toolchain construction
when using the '-fsycl' option. This option will enable SYCL based
offloading, creating a SPIR-V based IR file packaged into the compiled
host object.
This includes early support for creating the host/device object using
the new offloading model. The device object is created using the
spir64-unknown-unknown target triple.
New/Updated Options:
-fsycl Enables SYCL offloading for host and device
-fsycl-device-only
Enables device only compilation for SYCL
-fsycl-host-only
Enables host only compilation for SYCL
RFC Reference:
https://discourse.llvm.org/t/rfc-sycl-driver-enhancements/74092
This is a reland of: https://github.com/llvm/llvm-project/pull/107493
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Identified with misc-include-cleaner.
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Reverts llvm/llvm-project#107493
Failing bots include:
https://lab.llvm.org/buildbot/#/builders/190/builds/9546
https://lab.llvm.org/buildbot/#/builders/46/builds/7938
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Introduces the SYCL based toolchain and initial toolchain construction
when using the '-fsycl' option. This option will enable SYCL based
offloading, creating a SPIR-V based IR file packaged into the compiled
host object.
This includes early support for creating the host/device object using
the new offloading model. The device object is created using the
spir64-unknown-unknown target triple.
New/Updated Options:
-fsycl Enables SYCL offloading for host and device
-fsycl-device-only
Enables device only compilation for SYCL
-fsycl-host-only
Enables host only compilation for SYCL
RFC Reference:
https://discourse.llvm.org/t/rfc-sycl-driver-enhancements/74092
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Reverts llvm/llvm-project#109165
This created a buildbot failure on
[Fuchsia](https://lab.llvm.org/buildbot/#/builders/11/builds/8080).
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The -time option prints timing information for the subcommands
(compiler, linker) in a format similar to that used by gcc/gfortran.
This partially addresses requests from #89888
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I also ran `git clang-format` to get the headers in the right order for
the new location, which has changed the order of other headers in two
files.
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These source files no longer use None, so they do not need to include
None.h.
This is part of an effort to migrate from llvm::Optional to
std::optional:
https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
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This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated. The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.
This is part of an effort to migrate from llvm::Optional to
std::optional:
https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
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This patch introduces the new -fdriver-only flag which instructs Clang to only execute the driver logic without running individual jobs. In a way, this is very similar to -###, with the following differences:
* it doesn't automatically print all jobs,
* it doesn't avoid side effects (e.g. it will generate compilation database when -MJ is specified).
This flag will be useful in testing D121997.
Reviewed By: dexonsmith, egorzhdan
Differential Revision: https://reviews.llvm.org/D127408
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C++17"
This reverts commit ef8206320769ad31422a803a0d6de6077fd231d2.
- It conflicts with the existing llvm::size in STLExtras, which will now
never be called.
- Calling it without llvm:: breaks C++17 compat
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As a conquence move llvm::array_lengthof from STLExtras.h to
STLForwardCompat.h (which is included by STLExtras.h so no build
breakage expected).
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Identified with readability-redundant-string-cstr.
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instead of OF_Text
Problem:
On SystemZ we need to open text files in text mode. On Windows, files opened in text mode adds a CRLF '\r\n' which may not be desirable.
Solution:
This patch adds two new flags
- OF_CRLF which indicates that CRLF translation is used.
- OF_TextWithCRLF = OF_Text | OF_CRLF indicates that the file is text and uses CRLF translation.
Developers should now use either the OF_Text or OF_TextWithCRLF for text files and OF_None for binary files. If the developer doesn't want carriage returns on Windows, they should use OF_Text, if they do want carriage returns on Windows, they should use OF_TextWithCRLF.
So this is the behaviour per platform with my patch:
z/OS:
OF_None: open in binary mode
OF_Text : open in text mode
OF_TextWithCRLF: open in text mode
Windows:
OF_None: open file with no carriage return
OF_Text: open file with no carriage return
OF_TextWithCRLF: open file with carriage return
The Major change is in llvm/lib/Support/Windows/Path.inc to only set text mode if the OF_CRLF is set.
```
if (Flags & OF_CRLF)
CrtOpenFlags |= _O_TEXT;
```
These following files are the ones that still use OF_Text which I left unchanged. I modified all these except raw_ostream.cpp in recent patches so I know these were previously in Binary mode on Windows.
./llvm/lib/Support/raw_ostream.cpp
./llvm/lib/TableGen/Main.cpp
./llvm/tools/dsymutil/DwarfLinkerForBinary.cpp
./llvm/unittests/Support/Path.cpp
./clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
./clang/lib/Frontend/CompilerInstance.cpp
./clang/lib/Driver/Driver.cpp
./clang/lib/Driver/ToolChains/Clang.cpp
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D99426
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The contents of the string returned by getenv() is not guaranteed across calls to getenv(). The code to handle the CC_PRINT etc env vars calls getenv() and saves the results in just a char *. The string returned by getenv() needs to be copied and saved. Switching the type of the strings from char * to std::string will do this and manage the alloated memory.
Differential Revision: https://reviews.llvm.org/D98554
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Summary:
Object of type `Compilation` now can keep a callback that is called
after each execution of `Command`. This must simplify adaptation of
clang in custom distributions and allow facilities like collection of
execution statistics.
Reviewers: rsmith, rjmccall, Eugene.Zelenko
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D78899
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The argument after -Xarch_device will be added to the arguments for CUDA/HIP
device compilation and will be removed for host compilation.
The argument after -Xarch_host will be added to the arguments for CUDA/HIP
host compilation and will be removed for device compilation.
Differential Revision: https://reviews.llvm.org/D76520
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crashing when generating crash diagnostics when '#pragma clang __debug ..."
This re-lands commits f41ec709d9d388dc43469e6ac7f51b6313f7e4af (https://reviews.llvm.org/D74076)
and commit 5fedc2b410853a6aef05e8edf19ebfc4e071e28f (https://reviews.llvm.org/D74070)
The previous build break was caused by '#pragma clang __debug llvm_unreachable' used in a non-assert build. Move it to a separate test in crash-report-with-asserts.c.
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crashing when generating crash diagnostics when '#pragma clang __debug ..."
This reverts commits f41ec709d9d388dc43469e6ac7f51b6313f7e4af and 5fedc2b410853a6aef05e8edf19ebfc4e071e28f. On some buildbots, Clang :: Driver/crash-report.c is broken with:
```
Command Output (stderr):
--
/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm-project/clang/test/Driver/crash-report.c:48:11: error: CHECK: expected string not found in input
// CHECK: Preprocessed source(s) and associated run script(s) are located at:
^
<stdin>:1:1: note: scanning from here
/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm-project/clang/test/Driver/crash-report.c:50:1: error: unknown type name 'BAZ'
```
Example: http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/21321/steps/test-stage1-compiler/logs/stdio
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Previously, when using '-MF file.d' on the command line, 'file.d' would not be deleted after a compiler crash.
The code path in Compilation::initCompilationForDiagnostics() that was modifying 'TranslatedArgs' had no effect, because 'TCArgs' was already created after the crash.
This was covered by clang/test/Driver/output-file-cleanup.c, the test was succeeding by fluke because Driver::generateCompilationDiagnostics() would fail to launch the subsequent clang -E (see D74070 for a fix for this). So the test was only covering Driver.cpp, C.CleanupFileMap().
After this patch, both cleanup and removal of -MF are exercised.
Differential Revision: https://reviews.llvm.org/D74076
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The issue was reported by @xazax.hun here: https://reviews.llvm.org/D69825#1827826
"This patch (D69825) breaks scan-build-py which parses the output of "-###" to get -cc1 command. There might be other tools with the same problems. Could we either remove (in-process) from CC1Command::Print or add a line break?
Having the last line as a valid invocation is valuable and there might be tools relying on that."
Differential Revision: https://reviews.llvm.org/D72982
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F_{None,Text,Append} are kept for compatibility since r334221.
llvm-svn: 367800
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llvm-svn: 366084
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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llvm-svn: 344352
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Summary:
In rL327851 the createUniqueFile() and createTemporaryFile()
variants that do not return the file descriptors were changed to
create empty files, rather than only check if the paths are free.
This change was done in order to make the functions race-free.
That change led to clang-tidy (and possibly other tools) leaving
behind temporary assembly files, of the form placeholder-*, when
using a target that does not support the internal assembler.
The temporary files are created when building the Compilation
object in stripPositionalArgs(), as a part of creating the
compilation database for the arguments after the double-dash. The
files are created by Driver::GetNamedOutputPath().
Fix this issue by cleaning out temporary files at the deletion of
Compilation objects.
This fixes https://bugs.llvm.org/show_bug.cgi?id=37091.
Reviewers: klimek, sepavloff, arphaman, aaron.ballman, john.brawn, mehdi_amini, sammccall, bkramer, alexfh, JDevlieghere
Reviewed By: aaron.ballman, JDevlieghere
Subscribers: erichkeane, lebedev.ri, Ka-Ka, cfe-commits
Differential Revision: https://reviews.llvm.org/D45686
llvm-svn: 333637
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There are quite differences in HIP action builder and action job creation,
which justifies to define a separate offload kind.
Differential Revision: https://reviews.llvm.org/D46471
llvm-svn: 331811
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other minor fixes (NFC).
llvm-svn: 328044
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Summary:
This is basically reverting r261774 with a tweak for clang-cl. UNIX
standard states:
When c99 encounters a compilation error that causes an object file not
to be created, it shall write a diagnostic to standard error and
continue to compile other source code operands, but it shall not perform
the link phase and it shall return a non-zero exit status
The same goes for c89 or cc. And they are all alias or shims pointing to
clang on Darwin.
The original commit was intended for CUDA so the error message doesn't
get emit twice for both host and device. It seems that the clang driver
has been changed to model the CUDA dependency differently. Now the
driver behaves the same without this commit.
rdar://problem/32223263
Reviewers: thakis, dexonsmith, tra
Reviewed By: tra
Subscribers: jlebar, cfe-commits
Differential Revision: https://reviews.llvm.org/D39502
llvm-svn: 317860
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llvm-svn: 315231
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The recent fix in D38258 was wrong: getAuxTriple() only returns
non-null values for the CUDA toolchain. That is why the now added
test for PPC and X86 failed.
Differential Revision: https://reviews.llvm.org/D38372
llvm-svn: 314902
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ToolChain::TranslateArgs() returns nullptr if no changes are performed.
This would currently mean that OpenMPArgs are lost. Patch fixes this
by falling back to simply using OpenMPArgs in that case.
Differential Revision: https://reviews.llvm.org/D38259
llvm-svn: 314330
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Parsing the argument after -Xopenmp-target allocates memory that needs
to be freed. Associate it with the final DerivedArgList after we know
which one will be used.
Differential Revision: https://reviews.llvm.org/D38257
llvm-svn: 314328
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Summary: Clang part of https://reviews.llvm.org/D37563
Reviewers: bkramer
Subscribers: vsk, cfe-commits
Differential Revision: https://reviews.llvm.org/D37564
llvm-svn: 313156
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llvm-svn: 310282
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device offloading
Summary:
OpenMP has the ability to offload target regions to devices which may have different architectures.
A new -fopenmp-target-arch flag is introduced to specify the device architecture.
In this patch I use the new flag to specify the compute capability of the underlying NVIDIA architecture for the OpenMP offloading CUDA tool chain.
Only a host-offloading test is provided since full device offloading capability will only be available when [[ https://reviews.llvm.org/D29654 | D29654 ]] lands.
Reviewers: hfinkel, Hahnfeld, carlo.bertolli, caomhin, ABataev
Reviewed By: hfinkel
Subscribers: guansong, cfe-commits
Tags: #openmp
Differential Revision: https://reviews.llvm.org/D34784
llvm-svn: 310263
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there's an error somewhere.
This is a more principled version of r303756. That change was both very
brittle about the state of the Diags object going into the driver and
also broke tooling in funny ways.
In particular it prevented tools from capturing diagnostics properly and
made the compilation database logic fail to provide arguments to the
tool, falling back to scanning directories for JSON files.
llvm-svn: 306822
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Summary:
This patch includes support for argument translation that is specific of a given offloading kind. Additionally, it implements the translation for OpenMP device kinds in the gcc tool chain.
With this patch, it is possible to compile a functional OpenMP application with offloading capabilities with no separate compilation.
Reviewers: echristo, tra, jlebar, rsmith, ABataev, hfinkel
Subscribers: whchung, mehdi_amini, cfe-commits, Hahnfeld, andreybokhanko, arpith-jacob, carlo.bertolli, caomhin
Differential Revision: https://reviews.llvm.org/D21848
llvm-svn: 285320
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llvm-svn: 283605
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Summary:
Currently output of child process, however in my use case, it
needs to be captured and presented to the user.
Add Redirect method to Compilation and use existing infrastructure
for redirecting output of commands.
Reviewers: tstellarAMD
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D21224
llvm-svn: 273997
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Summary:
This patch introduces the concept of offloading tool chain and offloading kind. Each tool chain may have associated an offloading kind that marks it as used in a given programming model that requires offloading.
It also adds the logic to iterate on the tool chains based on the kind. Currently, only CUDA is supported, but in general a programming model (an offloading kind) may have associated multiple tool chains that require supporting offloading.
This patch does not add tests - its goal is to keep the existing functionality.
This patch is the first of a series of three that attempts to make the current support of CUDA more generic and easier to extend to other programming models, namely OpenMP. It tries to capture the suggestions/improvements/concerns on the initial proposal in http://lists.llvm.org/pipermail/cfe-dev/2016-February/047547.html. It only tackles the more consensual part of the proposal, i.e.does not address the problem of intermediate files bundling yet.
Reviewers: ABataev, jlebar, echristo, hfinkel, tra
Subscribers: guansong, Hahnfeld, andreybokhanko, tcramer, mkuron, cfe-commits, arpith-jacob, carlo.bertolli, caomhin
Differential Revision: http://reviews.llvm.org/D18170
llvm-svn: 272571
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Summary:
(Re-land of r260448, which was reverted in r260522 due to a test failure
in Driver/output-file-cleanup.c that only showed up in fresh builds.)
Previously we attempted to be smart; if one job failed, we'd run all
jobs that didn't depend on the failing job.
Problem is, this doesn't work well for e.g. CUDA compilation without
-save-temps. In this case, the device-side and host-side Assemble
actions (which actually are responsible for preprocess, compile,
backend, and assemble, since we're not saving temps) are necessarily
distinct. So our clever heuristic doesn't help us, and we repeat every
error message once for host and once for each device arch.
The main effect of this change, other than fixing CUDA, is that if you
pass multiple cc files to one instance of clang and you get a compile
error, we'll stop when the first cc1 job fails.
Reviewers: echristo
Subscribers: cfe-commits, jhen, echristo, tra, rafael
Differential Revision: http://reviews.llvm.org/D17217
llvm-svn: 261774
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Also introduce inputs() that reutnrs an llvm::iterator_range.
Iterating over A->inputs() is much less mysterious than
iterating over *A. No intended behavior change.
llvm-svn: 261674
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This reverts commit r260448.
It was causing Driver/output-file-cleanup.c to fail.
llvm-svn: 260522
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Previously we attempted to be smart; if one job failed, we'd run all
jobs that didn't depend on the failing job.
Problem is, this doesn't work well for e.g. CUDA compilation without
-save-temps. In this case, the device-side and host-side Assemble
actions (which actually are responsible for preprocess, compile,
backend, and assemble, since we're not saving temps) are necessarily
distinct. So our clever heuristic doesn't help us, and we repeat every
error message once for host and once for each device arch.
The main effect of this change, other than fixing CUDA, is that if you
pass multiple cc files to one instance of clang and you get a compile
error, we'll stop when the first cc1 job fails.
Reviewers: tra, echristo
Subscribers: jhen, cfe-commits
Differential Revision: http://reviews.llvm.org/D16514
llvm-svn: 260448
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Summary:
This makes constructing Action graphs which are DAGs much simpler. It
also just simplifies in general the ownership semantics of Actions.
Depends on D15910.
Reviewers: echristo
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D15911
llvm-svn: 257407
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