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TuneCPU to the AST serialization
This patch defaults to -mtune=generic unless -march is present. If -march is present we'll use the empty string unless its overridden by mtune. The back should use the target cpu if the tune-cpu isn't present.
It also adds AST serialization support to fix some tests that emit AST and parse it back. These tests diff the IR against the output from not going through AST. So if we don't serialize the tune CPU we fail the diff.
Differential Revision: https://reviews.llvm.org/D86488
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declarations in AST dumps.
Includes a testcase for deduction guide transformation that makes use of
this new dumping feature.
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DiagnosticErrorTrap is usually inappropriate because it indicates
whether an error message was rendered in a given region (and is
therefore affected by -ferror-limit and by suppression of errors if we
see an invalid declaration).
hasErrorOccurred() is usually inappropriate because it indicates
whethere an "error:" message was displayed, regardless of whether the
message was a warning promoted to an error, and therefore depends on
things like -Werror that are usually irrelevant.
Where applicable, CodeSynthesisContexts are used to attach notes to
the first diagnostic produced in a region of code, isnstead of using an
error trap and then attaching a note to whichever diagnostic happened to
be produced last (or suppressing the note if the final diagnostic is a
disabled warning!).
This is mostly NFC.
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Saves ~400 includes of related headers:
$ diff -u <(sort thedeps-before.txt) <(sort thedeps-after.txt) \
| grep '^[-+] ' | sort | uniq -c | sort -nr
468 - llvm-project/clang/include/clang/Basic/TargetInfo.h
468 - llvm-project/clang/include/clang/Basic/TargetCXXABI.h
368 - llvm-project/llvm/include/llvm/Support/CodeGen.h
368 - llvm-project/clang/include/clang/Basic/XRayInstr.h
368 - llvm-project/clang/include/clang/Basic/CodeGenOptions.h
368 - llvm-project/clang/include/clang/Basic/CodeGenOptions.def
367 - llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h
367 - llvm-project/clang/include/clang/Basic/DebugInfoOptions.h
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This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.
This is mostly mechanical from a custom clang-tidy check, with a lot of
manual fixups. It uncovers a lot of minor inefficiencies.
This doesn't actually modify StringRef yet, I'll do that in a follow-up.
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Implement support for C++2a requires-expressions.
Re-commit after compilation failure on some platforms due to alignment issues with PointerIntPair.
Differential Revision: https://reviews.llvm.org/D50360
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This reverts commit 027931899763409e2c61a84bdee6057b5e838ffa.
There have been some failing tests on some platforms, reverting while investigating.
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Implement support for C++2a requires-expressions.
Differential Revision: https://reviews.llvm.org/D50360
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Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.
Re-commit after fixing another crash (added regression test).
Differential Revision: https://reviews.llvm.org/D41910
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This reverts commit d3f5769d5e93b30d4a8b4696381d5e4a304992fa.
Causes crashes on Chromium. Have reproducer, will reduce and send along.
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Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.
Re-commit after fixing some crashes and warnings.
Differential Revision: https://reviews.llvm.org/D41910
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This time making sure to initialize FrontendOptions::UseTemporary.
Patch by Zachary Henkel!
Differential revision: https://reviews.llvm.org/D70615
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These changes caused LibcxxVariantDataFormatterTestCase in lldb to fail
with an assert:
Assertion failed: (Idx < size() && "Out-of-bounds Bit access."),
function operator[], file
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/ADT/SmallBitVector.h,
line 452.
In:
7 clang-10 0x00000001094b79d9 isAtLeastAsSpecializedAs(clang::Sema&, clang::SourceLocation, clang::FunctionTemplateDecl*, clang::FunctionTemplateDecl*, clang::TemplatePartialOrderingContext, unsigned int) + 1865
8 clang-10 0x00000001094b7111 clang::Sema::getMoreSpecializedTemplate(clang::FunctionTemplateDecl*, clang::FunctionTemplateDecl*, clang::SourceLocation, clang::TemplatePartialOrderingContext, unsigned int, unsigned int) + 97
9 clang-10 0x000000010939bf88 clang::isBetterOverloadCandidate(clang::Sema&, clang::OverloadCandidate const&, clang::OverloadCandidate const&, clang::SourceLocation, clang::OverloadCandidateSet::CandidateSetKind) + 1128
Revert "[Concepts] Fix incorrect move out of temporary in D41910"
This reverts commit 11d5fa6e87e3584f72056ecc2b17f88c58323dde.
Revert "[Concepts] Fix crash in D41910"
This reverts commit 12038be20ee6a903cdbd3fddce65535ef683e31d.
Revert "[Concepts] Constrained partial specializations and function overloads."
This reverts commit fc0731b98a67c793862288f8ae334322666214dc.
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Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.
Phabricator: D41910
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This reverts commit d129aa1d5369781deff6c6b854cb612e160d3fb2.
This broke the MSan buildbots. More information available in the
original PR: https://reviews.llvm.org/D70615
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Our build system does not handle randomly named files created during
the build well. We'd prefer to write compilation output directly
without creating a temporary file. Function parameters already
existed to control this behavior but were not exposed all the way out
to the command line.
Patch by Zachary Henkel!
Differential revision: https://reviews.llvm.org/D70615
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For each defaulted operator<=> in a class that doesn't explicitly
declare any operator==, also inject a matching implicit defaulted
operator==.
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This adds support for rewriting <, >, <=, and >= to a normal or reversed
call to operator<=>, for rewriting != to a normal or reversed call to
operator==, and for rewriting <=> and == to reversed forms of those same
operators.
Note that this is a breaking change for various C++17 code patterns,
including some in use in LLVM. The most common patterns (where an
operator== becomes ambiguous with a reversed form of itself) are still
accepted under this patch, as an extension (with a warning). I'm hopeful
that we can get the language rules fixed before C++20 ships, and the
extension warning is aimed primarily at providing data to inform that
decision.
llvm-svn: 375306
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Part of C++20 Concepts implementation effort. Added Concept Specialization Expressions that are created when a concept is refe$
D41217 on Phabricator.
(recommit after fixing failing Parser test on windows)
llvm-svn: 374903
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This reverts commit ec87b003823d63f3342cf648f55a134c1522e612.
The test fails on Windows, see e.g.
http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/11533/steps/stage%201%20check/logs/stdio
Also revert follow-up r374893.
llvm-svn: 374899
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Part of C++20 Concepts implementation effort. Added Concept Specialization Expressions that are created when a concept is referenced with arguments, and tests thereof.
llvm-svn: 374882
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Summary:
They can be confusing -- what does it mean to call a setter without a
value? Also, some setters, like `setPrintTemplateTree` had `false` as
the default value!
The callers are largely not using these default arguments anyway.
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67491
llvm-svn: 371731
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dependencies
when the FileManager is reused across invocations
This commit introduces a parallel API to FileManager's getFile: getFileEntryRef, which returns
a reference to the FileEntry, and the name that was used to access the file. In the case of
a VFS with 'use-external-names', the FileEntyRef contains the external name of the file,
not the filename that was used to access it.
The new API is adopted only in the HeaderSearch and Preprocessor for include file lookup, so that the
accessed path can be propagated to SourceManager's FileInfo. SourceManager's FileInfo now can report this accessed path, using
the new getName method. This API is then adopted in the dependency collector, which now correctly reports dependencies when a file
is included both using a symlink and a real path in the case when the FileManager is reused across multiple Preprocessor invocations.
Note that this patch does not fix all dependency collector issues, as the same problem is still present in other cases when dependencies
are obtained using FileSkipped, InclusionDirective, and HasInclude. This will be fixed in follow-up commits.
Differential Revision: https://reviews.llvm.org/D65907
llvm-svn: 369680
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Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.
Differential revision: https://reviews.llvm.org/D66259
llvm-svn: 368942
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This patch is a prerequisite for using LangStandard from Driver in
https://reviews.llvm.org/D64793.
It moves LangStandard* and InputKind::Language to Basic. It is mostly
mechanical, with only a few changes of note:
- enum Language has been changed into enum class Language : uint8_t to
avoid a clash between OpenCL in enum Language and OpenCL in enum
LangFeatures and not to increase the size of class InputKind.
- Now that getLangStandardForName, which is currently unused, also checks
both canonical and alias names, I've introduced a helper getLangKind
which factors out a code pattern already used 3 times.
The patch has been tested on x86_64-pc-solaris2.11, sparcv9-sun-solaris2.11,
and x86_64-pc-linux-gnu.
There's a companion patch for lldb which uses LangStandard.h
(https://reviews.llvm.org/D65717).
While polly includes isl which in turn uses InputKind::C, that part of the
code isn't even built inside the llvm tree. I've posted a patch to allow
for both InputKind::C and Language::C upstream
(https://groups.google.com/forum/#!topic/isl-development/6oEvNWOSQFE).
Differential Revision: https://reviews.llvm.org/D65562
llvm-svn: 367864
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F_{None,Text,Append} are kept for compatibility since r334221.
llvm-svn: 367800
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This patch applies clang-tidy's bugprone-argument-comment tool
to LLVM, clang and lld source trees. Here is how I created this
patch:
$ git clone https://github.com/llvm/llvm-project.git
$ cd llvm-project
$ mkdir build
$ cd build
$ cmake -GNinja -DCMAKE_BUILD_TYPE=Debug \
-DLLVM_ENABLE_PROJECTS='clang;lld;clang-tools-extra' \
-DCMAKE_EXPORT_COMPILE_COMMANDS=On -DLLVM_ENABLE_LLD=On \
-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ ../llvm
$ ninja
$ parallel clang-tidy -checks='-*,bugprone-argument-comment' \
-config='{CheckOptions: [{key: StrictMode, value: 1}]}' -fix \
::: ../llvm/lib/**/*.{cpp,h} ../clang/lib/**/*.{cpp,h} ../lld/**/*.{cpp,h}
llvm-svn: 366177
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that might affect the dependency list for a compilation
This commit introduces a dependency directives source minimizer to clang
that minimizes header and source files to the minimum necessary preprocessor
directives for evaluating includes. It reduces the source down to #define, #include,
The source minimizer works by lexing the input with a custom fast lexer that recognizes
the preprocessor directives it cares about, and emitting those directives in the minimized source.
It ignores source code, comments, and normalizes whitespace. It gives up and fails if seems
any directives that it doesn't recognize as valid (e.g. #define 0).
In addition to the source minimizer this patch adds a
-print-dependency-directives-minimized-source CC1 option that allows you to invoke the minimizer
from clang directly.
Differential Revision: https://reviews.llvm.org/D55463
llvm-svn: 362459
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This adds the -ast-dump=json cc1 flag (in addition to -ast-dump=default, which is the default if no dump format is specified), as well as some initial AST dumping functionality and tests.
llvm-svn: 360622
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modules when -std=c++2a is specified.
llvm-svn: 358355
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Add an option to cache the generated PCH in the ModuleCache when
emitting it. This protects clients that build PCHs and read them in the
same process, allowing them to avoid race conditions between parallel
jobs the same way that Clang's implicit module build system does.
rdar://problem/48740787
llvm-svn: 355950
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Change MemoryBufferCache to InMemoryModuleCache, moving it from Basic to
Serialization. Another patch will start using it to manage module build
more explicitly, but this is split out because it's mostly mechanical.
Because of the move to Serialization we can no longer abuse the
Preprocessor to forward it to the ASTReader. Besides the rename and
file move, that means Preprocessor::Preprocessor has one fewer parameter
and ASTReader::ASTReader has one more.
llvm-svn: 355777
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When a framework with the same name is available at multiple framework
search paths, we use the first matching location. If a framework at this
location doesn't have all the headers, it can be confusing for
developers because they see only an error `'Foo/Foo.h' file not found`,
can find the complete framework with required header, and don't know the
incomplete framework was used instead.
Add a note explaining a framework without required header was found.
Also mention framework directory path to make it easier to find the
incomplete framework.
rdar://problem/39246514
Reviewers: arphaman, erik.pilkington, jkorous
Reviewed By: jkorous
Subscribers: jkorous, dexonsmith, cfe-commits
Differential Revision: https://reviews.llvm.org/D56561
llvm-svn: 353231
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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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When debugging a boost build with a modified
version of Clang, I discovered that the PTH implementation
stores TokenKind in 8 bits. However, we currently have 368
TokenKinds.
The result is that the value gets truncated and the wrong token
gets picked up when including PTH files. It seems that this will
go wrong every time someone uses a token that uses the 9th bit.
Upon asking on IRC, it was brought up that this was a highly
experimental features that was considered a failure. I discovered
via googling that BoostBuild (mostly Boost.Math) is the only user of
this
feature, using the CC1 flag directly. I believe that this can be
transferred over to normal PCH with minimal effort:
https://github.com/boostorg/build/issues/367
Based on advice on IRC and research showing that this is a nearly
completely unused feature, this patch removes it entirely.
Note: I considered leaving the build-flags in place and making them
emit an error/warning, however since I've basically identified and
warned the only user, it seemed better to just remove them.
Differential Revision: https://reviews.llvm.org/D54547
Change-Id: If32744275ef1f585357bd6c1c813d96973c4d8d9
llvm-svn: 348266
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Summary: Its job is covered by -ast-dump. The option is rarely used and lacks many AST nodes which will lead to llvm_unreachable() crash.
Reviewers: rsmith, arphaman
Reviewed By: rsmith
Subscribers: jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D52529
llvm-svn: 343660
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llvm-svn: 342306
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headaer files.
llvm-svn: 342304
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Fix a bug in the deserialization of IMPORTS section and allow for
imported modules to also be printed with -module-file-info.
rdar://problem/43867753
llvm-svn: 341902
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destructors.
We previously tried to patch up the exception specification after
completing the class, which went wrong when the exception specification
was needed within the class body (in particular, by a friend
redeclaration of the destructor in a nested class). We now mark the
destructor as having a not-yet-computed exception specification
immediately after creating it.
This requires delaying various checks against the exception
specification (where we'd previously have just got the wrong exception
specification, and now find we have an exception specification that we
can't compute yet) when those checks fire while the class is being
defined.
This also exposed an issue that we were missing a CodeSynthesisContext
for computation of exception specifications (otherwise we'd fail to make
the module containing the definition of the class visible when computing
its members' exception specs). Adding that incidentally also gives us a
diagnostic quality improvement.
This has also exposed an pre-existing problem: making the exception
specification evaluation context a non-SFINAE context (as it should be)
results in a bootstrap failure; PR38850 filed for this.
llvm-svn: 341499
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338291
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This patch improves traceability of duplicated header files which end
up in multiple pcms.
Differential Revision: https://reviews.llvm.org/D47118
llvm-svn: 337353
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With MSVC, PCH files are created along with an object file that needs to
be linked into the final library or executable. That object file
contains the code generated when building the headers. In particular, it
will include definitions of inline dllexport functions, and because they
are emitted in this object file, other files using the PCH do not need
to emit them. See the bug for an example.
This patch makes clang-cl match MSVC's behaviour in this regard, causing
significant compile-time savings when building dlls using precompiled
headers.
For example, in a 64-bit optimized shared library build of Chromium with
PCH, it reduces the binary size and compile time of
stroke_opacity_custom.obj from 9315564 bytes to 3659629 bytes and 14.6
to 6.63 s. The wall-clock time of building blink_core.dll goes from
38m41s to 22m33s. ("user" time goes from 1979m to 1142m).
Differential Revision: https://reviews.llvm.org/D48426
llvm-svn: 335466
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Add the ability to dump compiler option-related information to a JSON file via the -compiler-options-dump option. Specifically, it dumps the features/extensions lists -- however, this output could be extended to other information should it be useful. In order to support features and extensions, I moved them into a .def file so that we could build the various lists we care about from them without a significant increase in maintenance burden.
llvm-svn: 333653
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This is similar to the LLVM change https://reviews.llvm.org/D46290.
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.
Patch produced by
for i in $(git grep -l '\@brief'); do perl -pi -e 's/\@brief //g' $i & done
for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done
Differential Revision: https://reviews.llvm.org/D46320
llvm-svn: 331834
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HIP is a language similar to CUDA (https://github.com/ROCm-Developer-Tools/HIP/blob/master/docs/markdown/hip_kernel_language.md ).
The language syntax is very similar, which allows a hip program to be compiled as a CUDA program by Clang. The main difference
is the host API. HIP has a set of vendor neutral host API which can be implemented on different platforms. Currently there is open source
implementation of HIP runtime on amdgpu target (https://github.com/ROCm-Developer-Tools/HIP).
This patch adds support of input kind and language standard hip.
When hip file is compiled, both LangOpts.CUDA and LangOpts.HIP is turned on. This allows compilation of hip program as CUDA
in most cases and only special handling of hip program is needed LangOpts.HIP is checked.
This patch also adds support of kernel launching of HIP program using HIP host API.
When -x hip is not specified, there is no behaviour change for CUDA.
Patch by Greg Rodgers.
Revised and lit test added by Yaxun Liu.
Differential Revision: https://reviews.llvm.org/D44984
llvm-svn: 330790
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https://reviews.llvm.org/D43578.
llvm-svn: 329739
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The current support of the feature produces only 2 lines in report:
-Some general Code Generation Time;
-Total time of Backend Consumer actions.
This patch extends Clang time report with new lines related to Preprocessor, Include Filea Search, Parsing, etc.
Differential Revision: https://reviews.llvm.org/D43578
llvm-svn: 329684
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Summary:
`ASTPrinter` allows setting the ouput to any O-Stream, but that printer creates source-code-like syntax (and is also marked with a `FIXME`). The nice, colourful, mostly human-readable `ASTDumper` only works on the standard output, which is not feasible in case a user wants to see the AST of a file through a code navigation/comprehension tool.
This small addition of an overload solves generating a nice colourful AST block for the users of a tool I'm working on, [[ http://github.com/Ericsson/CodeCompass | CodeCompass ]], as opposed to having to duplicate the behaviour of definitions that only exist in the anonymous namespace of implementation TUs related to this module.
Reviewers: alexfh, klimek, rsmith
Reviewed By: alexfh
Subscribers: rnkovacs, dkrupp, gsd, xazax.hun, cfe-commits, #clang
Tags: #clang
Patch by Whisperity!
Differential Revision: https://reviews.llvm.org/D45096
llvm-svn: 329391
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llvm-svn: 324809
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