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llvm-svn: 347141
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We haven't supported compiling ObjC1 for a long time (and never will again), so
there isn't any reason to keep these separate. This patch replaces
LangOpts::ObjC1 and LangOpts::ObjC2 with LangOpts::ObjC.
Differential revision: https://reviews.llvm.org/D53547
llvm-svn: 345637
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Reviewers: ilya-biryukov
Subscribers: arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D53135
llvm-svn: 344337
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This patch moves the virtual file system form clang to llvm so it can be
used by more projects.
Concretely the patch:
- Moves VirtualFileSystem.{h|cpp} from clang/Basic to llvm/Support.
- Moves the corresponding unit test from clang to llvm.
- Moves the vfs namespace from clang::vfs to llvm::vfs.
- Formats the lines affected by this change, mostly this is the result of
the added llvm namespace.
RFC on the mailing list:
http://lists.llvm.org/pipermail/llvm-dev/2018-October/126657.html
Differential revision: https://reviews.llvm.org/D52783
llvm-svn: 344140
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llvm-svn: 342306
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headaer files.
llvm-svn: 342304
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Summary:
Most callers I can find are using only `getName()`. Type is used by the
recursive iterator.
Now we don't have to call stat() on every listed file (on most platforms).
Exceptions are e.g. Solaris where readdir() doesn't include type information.
On those platforms we'll still stat() - see D51918.
The result is significantly faster (stat() can be slow).
My motivation: this may allow us to improve clang IO on large TUs with long
include search paths. Caching readdir() results may allow us to skip many stat()
and open() operations on nonexistent files.
Reviewers: bkramer
Subscribers: fedor.sergeev, cfe-commits
Differential Revision: https://reviews.llvm.org/D51921
llvm-svn: 342232
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338291
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Consider:
1) Generate PCH with -fmodules and -fmodule-map-file
2) Use PCH with -fmodules and the same -fmodule-map-file
If we don't load -fmodule-map-file content before including PCHs,
the modules that are dependencies in PCHs cannot get loaded,
since there's no matching module map file when reading back the AST.
rdar://problem/40852867
Differential Revision: https://reviews.llvm.org/D48685
llvm-svn: 337447
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This is useful to understand and debug the lazy template specializations
used in the pch and modules.
Differential Revision: https://reviews.llvm.org/D41785
llvm-svn: 332817
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Second attempt. Proper line endings.
The parsing that is done for code completion is a special case that will
discard any generated diagnostics, so avoid running plugins for this
case in the first place to avoid performance penalties due to the
plugins.
A scenario for this is for example libclang with extra plugins like tidy.
Patch by Nikolai Kosjar
Differential Revision: https://reviews.llvm.org/D46050
llvm-svn: 332586
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Windows line endings.
Requires proper resubmission.
llvm-svn: 332585
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The parsing that is done for code completion is a special case that will
discard any generated diagnostics, so avoid running plugins for this
case in the first place to avoid performance penalties due to the
plugins.
A scenario for this is for example libclang with extra plugins like tidy.
Patch by Nikolai Kosjar
Differential Revision: https://reviews.llvm.org/D46050
llvm-svn: 332469
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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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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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This is a follow up to r321855, closing the gap between our internal shadow
modules implementation and upstream. It has been tested for longer and
provides a better approach for tracking shadow modules. Mostly NFCI.
rdar://problem/23612102
llvm-svn: 321906
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Summary:
The CompilerInstance should create its default VFS from its CompilerInvocation. Right now the
user has to manually create the VFS before creating the FileManager even though
`-ivfsoverlay file.yaml` was passed via the CompilerInvocation (which is exactly how we worked
around this issue in `FrontendAction.cpp` so far).
This patch uses the invocation's VFS by default and also tests this behavior now from the
point of view of a program that uses the clang API.
Reviewers: benlangmuir, v.g.vassilev
Reviewed By: v.g.vassilev
Subscribers: mgorny, cfe-commits, v.g.vassilev
Differential Revision: https://reviews.llvm.org/D37416
llvm-svn: 313049
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This fixes a possible crash on certain kinds of corrupted AST file, but
checking in an AST file corrupted in just the right way will be a maintenance
nightmare because the format changes frequently.
llvm-svn: 312851
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not the ASTContext state.
We use this when running a preprocessor-only action on an AST file in order to
avoid paying the runtime cost of loading the extra information.
llvm-svn: 306760
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those when preprocessing from that .pcm file.
llvm-svn: 306628
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Both of these steps are immediately overwritten by the FrontendAction setup.
llvm-svn: 306325
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No-one was using this, and it's not meaningful in general -- FrontendActions
can be run on inputs that don't have a corresponding source file. The current
frontend input can be obtained by asking the FrontendAction if any future
action actually needs it.
llvm-svn: 305045
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preprocessed text for an AST file.
llvm-svn: 304756
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Inspired by post-commit review of r304190.
llvm-svn: 304728
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replay the steps taken to create the AST file with the preprocessor-only action
installed to produce preprocessed output.
This can be used to produce the preprocessed text for an existing .pch or .pcm
file.
llvm-svn: 304726
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This patch adds support for a `header` declaration in a module map to specify
certain `stat` information (currently, size and mtime) about that header file.
This has two purposes:
- It removes the need to eagerly `stat` every file referenced by a module map.
Instead, we track a list of unresolved header files with each size / mtime
(actually, for simplicity, we track submodules with such headers), and when
attempting to look up a header file based on a `FileEntry`, we check if there
are any unresolved header directives with that `FileEntry`'s size / mtime and
perform deferred `stat`s if so.
- It permits a preprocessed module to be compiled without the original files
being present on disk. The only reason we used to need those files was to get
the `stat` information in order to do header -> module lookups when using the
module. If we're provided with the `stat` information in the preprocessed
module, we can avoid requiring the files to exist.
Unlike most `header` directives, if a `header` directive with `stat`
information has no corresponding on-disk file the enclosing module is *not*
marked unavailable (so that behavior is consistent regardless of whether we've
resolved a header directive, and so that preprocessed modules don't get marked
unavailable). We could actually do this for all `header` directives: the only
reason we mark the module unavailable if headers are missing is to give a
diagnostic slightly earlier (rather than waiting until we actually try to build
the module / load and validate its .pcm file).
Differential Revision: https://reviews.llvm.org/D33703
llvm-svn: 304515
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to the original module map.
Also use the path and name of the original module map when emitting that
information into the .pcm file. The upshot of this is that the produced .pcm
file will track information for headers in their original locations (where the
module was preprocessed), not relative to whatever directory the preprocessed
module map was in when it was built.
llvm-svn: 304346
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This allows #line directives to appear in system headers that have code
that clang would normally warn on. This is compatible with GCC, which is
easy to test by running `gcc -E`.
Fixes PR30752
llvm-svn: 303582
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To support this, an optional marker "#pragma clang module contents" is
recognized in module map files, and the rest of the module map file from that
point onwards is treated as the source of the module. Preprocessing a module
map produces the input module followed by the marker and then the preprocessed
contents of the module.
Ignoring line markers, a preprocessed module might look like this:
module A {
header "a.h"
}
#pragma clang module contents
#pragma clang module begin A
// ... a.h ...
#pragma clang module end
The preprocessed output generates line markers, which are not accepted by the
module map parser, so -x c++-module-map-cpp-output should be used to compile
such outputs.
A couple of major parts do not work yet:
1) The files that are listed in the module map must exist on disk, in order to
build the on-disk header -> module lookup table in the PCM file. To fix
this, we need the preprocessed output to track the file size and other stat
information we might use to build the lookup table.
2) Declaration ownership semantics don't work properly yet, since mapping from
a source location to a module relies on mapping from FileIDs to modules,
which we can't do if module transitions can occur in the middle of a file.
llvm-svn: 302309
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action to the general FrontendAction infrastructure.
This permits applying -E, -ast-dump, -fsyntax-only, and so on to a module map
compilation. (The -E form is not currently especially useful yet as there's no
good way to take the output and use it to actually build a module.)
In order to support this, -cc1 now accepts -x <lang>-module-map in all cases
where it accepts -x <lang> for a language we can parse (not ir/ast). And for
uniformity, we also accept -x <lang>-header for all such languages (we used
to reject for cuda and renderscript), and -x <lang>-cpp-output for all such
languages (we used to reject for c, cl, and renderscript).
(None of these new alternatives are accepted by the driver yet, so no
user-visible changes.)
llvm-svn: 301610
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distinct kind of input.
No functionality change intended.
llvm-svn: 301442
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Summary:
This is a revised version of D28796. Included test is changed to
resolve the target compatibility issue reported (rL293032).
Reviewers: inglorion, dblaikie, echristo, aprantl, probinson
Reviewed By: inglorion
Subscribers: mehdi_amini, cfe-commits
Differential Revision: https://reviews.llvm.org/D30663
llvm-svn: 297194
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llvm-svn: 294512
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llvm-svn: 294359
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This reverts commit r293004 because it broke the buildbots with "unknown CPU"
errors. I tried to fix it in r293026, but that broke on Green Dragon with this
kind of error:
error: expected string not found in input
// CHECK: l{{ +}}df{{ +}}*ABS*{{ +}}{{0+}}{{.+}}preprocessed-input.c{{$}}
^
<stdin>:2:1: note: scanning from here
/Users/buildslave/jenkins/sharedspace/incremental@2/clang-build/tools/clang/test/Frontend/Output/preprocessed-input.c.tmp.o: file format Mach-O 64-bit x86-64
^
<stdin>:2:67: note: possible intended match here
/Users/buildslave/jenkins/sharedspace/incremental@2/clang-build/tools/clang/test/Frontend/Output/preprocessed-input.c.tmp.o: file format Mach-O 64-bit x86-64
I suppose this means that llvm-objdump doesn't support Mach-O, so the test
should indeed check for linux (but not for x86). I'll leave it to someone that
knows better.
llvm-svn: 293032
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Summary:
Clang appears to always use name as specified on the command
line, whereas gcc uses the name as specified in the linemarker at the
first line when compiling a preprocessed source. This results mismatch
between two compilers in FILE symbol table entry. This patch makes clang
to resemble gcc's behavior in finding the original source file name and
use it as an input file name.
Even with this patch, values of FILE symbol table entry may still be
different because clang uses dirname+basename for the entry whlie gcc
uses basename only. I'll write a patch for that once this patch is
committed.
Reviewers: dblaikie, inglorion
Reviewed By: inglorion
Subscribers: inglorion, aprantl, bruno
Differential Revision: https://reviews.llvm.org/D28796
llvm-svn: 293004
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llvm-svn: 291166
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Use the vfs lookup instead of real filesytem and handle the case where
-include-pch is a directory and this dir is searched for a PCH.
llvm-svn: 289459
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a registry"
This differs from the previous version by being more careful about template
instantiation/specialization in order to prevent errors when building with
clang -Werror. Specifically:
* begin is not defined in the template and is instead instantiated when Head
is. I think the warning when we don't do that is wrong (PR28815) but for now
at least do it this way to avoid the warning.
* Instead of performing template specializations in LLVM_INSTANTIATE_REGISTRY
instead provide a template definition then do explicit instantiation. No
compiler I've tried has problems with doing it the other way, but strictly
speaking it's not permitted by the C++ standard so better safe than sorry.
Original commit message:
Currently the Registry class contains the vestiges of a previous attempt to
allow plugins to be used on Windows without using BUILD_SHARED_LIBS, where a
plugin would have its own copy of a registry and export it to be imported by
the tool that's loading the plugin. This only works if the plugin is entirely
self-contained with the only interface between the plugin and tool being the
registry, and in particular this conflicts with how IR pass plugins work.
This patch changes things so that instead the add_node function of the registry
is exported by the tool and then imported by the plugin, which solves this
problem and also means that instead of every plugin having to export every
registry they use instead LLVM only has to export the add_node functions. This
allows plugins that use a registry to work on Windows if
LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is used.
llvm-svn: 277806
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registry"
Buildbot failures when building with clang -Werror. Reverting while I try to
figure this out.
llvm-svn: 277008
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a registry"
This version has two fixes compared to the original:
* In Registry.h the template static members are instantiated before they are
used, as clang gives an error if you do it the other way around.
* The use of the Registry template in clang-tidy is updated in the same way as
has been done everywhere else.
Original commit message:
Currently the Registry class contains the vestiges of a previous attempt to
allow plugins to be used on Windows without using BUILD_SHARED_LIBS, where a
plugin would have its own copy of a registry and export it to be imported by
the tool that's loading the plugin. This only works if the plugin is entirely
self-contained with the only interface between the plugin and tool being the
registry, and in particular this conflicts with how IR pass plugins work.
This patch changes things so that instead the add_node function of the registry
is exported by the tool and then imported by the plugin, which solves this
problem and also means that instead of every plugin having to export every
registry they use instead LLVM only has to export the add_node functions. This
allows plugins that use a registry to work on Windows if
LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is used.
llvm-svn: 276973
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registry"
This is causing a huge pile of buildbot failures.
llvm-svn: 276857
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Currently the Registry class contains the vestiges of a previous attempt to
allow plugins to be used on Windows without using BUILD_SHARED_LIBS, where a
plugin would have its own copy of a registry and export it to be imported by
the tool that's loading the plugin. This only works if the plugin is entirely
self-contained with the only interface between the plugin and tool being the
registry, and in particular this conflicts with how IR pass plugins work.
This patch changes things so that instead the add_node function of the registry
is exported by the tool and then imported by the plugin, which solves this
problem and also means that instead of every plugin having to export every
registry they use instead LLVM only has to export the add_node functions. This
allows plugins that use a registry to work on Windows if
LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is used.
Differential Revision: http://reviews.llvm.org/D21385
llvm-svn: 276856
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Summary: Removed unused headers, replaced some headers with forward class declarations
Patch by: Eugene <claprix@yandex.ru>
Differential Revision: https://reviews.llvm.org/D20100
llvm-svn: 275882
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Currently when an AST plugin is loaded it must then be enabled by passing
-plugin pluginname or -add-plugin pluginname to the -cc1 command line. This
patch adds a method to PluginASTAction which allows it to declare that the
action happens before, instead of, or after the main AST action, plus the
relevant changes to make the plugin action happen at that time automatically.
Differential Revision: http://reviews.llvm.org/D17959
llvm-svn: 263546
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calling BeginSourceFileAction.
I don't have a test case to add unfortunately.
llvm-svn: 260937
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using unique_ptr.
llvm-svn: 260048
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Summary: It breaks the build for the ASTMatchers
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D13893
llvm-svn: 250827
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Summary: Replace empty bodies of default constructors and destructors with '= default'.
Reviewers: bkramer, klimek
Subscribers: klimek, alexfh, cfe-commits
Differential Revision: http://reviews.llvm.org/D13890
llvm-svn: 250822
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