Commit Graph

3890 Commits

Author SHA1 Message Date
Alex Lorenz e1b7b95901 Recommit r315738 "[clang-refactor] Apply source replacements"
The fixed commit ensures that ParsedSourceRange works correctly
with Windows paths.

Original message:

This commit actually brings clang-refactor to a usable state as it can now
apply the refactoring changes to source files.
The -selection option is now also fully supported.

Differential Revision: https://reviews.llvm.org/D38402

llvm-svn: 315918
2017-10-16 17:31:16 +00:00
Alexander Richardson 6d989436d0 Convert clang::LangAS to a strongly typed enum
Summary:
Convert clang::LangAS to a strongly typed enum

Currently both clang AST address spaces and target specific address spaces
are represented as unsigned which can lead to subtle errors if the wrong
type is passed. It is especially confusing in the CodeGen files as it is
not possible to see what kind of address space should be passed to a
function without looking at the implementation.
I originally made this change for our LLVM fork for the CHERI architecture
where we make extensive use of address spaces to differentiate between
capabilities and pointers. When merging the upstream changes I usually
run into some test failures or runtime crashes because the wrong kind of
address space is passed to a function. By converting the LangAS enum to a
C++11 we can catch these errors at compile time. Additionally, it is now
obvious from the function signature which kind of address space it expects.

I found the following errors while writing this patch:

- ItaniumRecordLayoutBuilder::LayoutField was passing a clang AST address
  space to  TargetInfo::getPointer{Width,Align}()
- TypePrinter::printAttributedAfter() prints the numeric value of the
  clang AST address space instead of the target address space.
  However, this code is not used so I kept the current behaviour
- initializeForBlockHeader() in CGBlocks.cpp was passing
  LangAS::opencl_generic to TargetInfo::getPointer{Width,Align}()
- CodeGenFunction::EmitBlockLiteral() was passing a AST address space to
  TargetInfo::getPointerWidth()
- CGOpenMPRuntimeNVPTX::translateParameter() passed a target address space
  to Qualifiers::addAddressSpace()
- CGOpenMPRuntimeNVPTX::getParameterAddress() was using
  llvm::Type::getPointerTo() with a AST address space
- clang_getAddressSpace() returns either a LangAS or a target address
  space. As this is exposed to C I have kept the current behaviour and
  added a comment stating that it is probably not correct.

Other than this the patch should not cause any functional changes.

Reviewers: yaxunl, pcc, bader

Reviewed By: yaxunl, bader

Subscribers: jlebar, jholewinski, nhaehnle, Anastasia, cfe-commits

Differential Revision: https://reviews.llvm.org/D38816

llvm-svn: 315871
2017-10-15 18:48:14 +00:00
Alex Lorenz 9ce566fc18 Revert r315738
The ParsedSourceRange class does not work correctly on Windows with the ':'
drive separators

llvm-svn: 315774
2017-10-13 22:47:44 +00:00
Alex Lorenz 3e3dd1dbd7 Fix -Woverloaded-virtual warning in clang-refactor
llvm-svn: 315755
2017-10-13 21:15:25 +00:00
Alex Lorenz 57e060b309 [clang-refactor] Apply source replacements
This commit actually brings clang-refactor to a usable state as it can now
apply the refactoring changes to source files.
The -selection option is now also fully supported.

Differential Revision: https://reviews.llvm.org/D38402

llvm-svn: 315738
2017-10-13 19:42:05 +00:00
Alex Lorenz ad38fbffad Recommit r315087 "[refactor] add support for refactoring options"
The recommit fixes a UB bug that occurred only on a small number of bots.

Original message:

This commit adds initial support for refactoring options. One can now use
optional and required std::string options.

This commit also adds a NewNameOption for the local-rename refactoring action to
allow rename to work with custom names.

Differential Revision: https://reviews.llvm.org/D37856

llvm-svn: 315661
2017-10-13 01:53:13 +00:00
Matt Morehouse fd688c6f35 [cmake] Rename LIB_FUZZING_ENGINE to LLVM_LIB_FUZZING_ENGINE.
llvm-svn: 315630
2017-10-12 22:00:09 +00:00
Matt Morehouse d9cc80975e [clang-format] Allow building fuzzer with OSS-Fuzz flags.
Reviewers: kcc, bogner

Reviewed By: kcc

Subscribers: cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D38853

llvm-svn: 315603
2017-10-12 18:39:10 +00:00
Lang Hames 95d1004bba Update cc1as_main for MCCodeEmitter ownership change in r315531.
llvm-svn: 315532
2017-10-11 23:35:27 +00:00
Matt Morehouse 6c108b363e [clang-fuzzer] Allow linking with any fuzzing engine.
Summary:
Makes clang-[proto-]fuzzer compatible with flags specified by OSS-Fuzz.

https://llvm.org/pr34314

Reviewers: vitalybuka, kcc

Reviewed By: kcc

Subscribers: cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D38812

llvm-svn: 315486
2017-10-11 18:29:24 +00:00
Matt Morehouse 7b6010cdde Reland "[clang-fuzzer] Allow building without coverage instrumentation."
This relands r315336 after fixing bot breakage.

llvm-svn: 315465
2017-10-11 15:51:12 +00:00
Matt Morehouse eb1701fe76 [clang-fuzzer] Fix shared library dependencies.
llvm-svn: 315463
2017-10-11 15:13:53 +00:00
Lang Hames 492cf98a8a Update cc1as_main for MCAsmBackend ownership change in r315410.
llvm-svn: 315411
2017-10-11 01:58:08 +00:00
Matt Morehouse 51e4481cfe Revert "[clang-fuzzer] Allow building without coverage instrumentation."
This reverts r315336 due to build breakage with gcc.
http://lab.llvm.org:8011/builders/ubuntu-gcc7.1-werror/builds/2173

llvm-svn: 315355
2017-10-10 20:13:13 +00:00
Matt Morehouse 6e5f158642 [clang-fuzzer] Build proto-to-cxx with fuzzer-no-link.
Makes it possible to build with any sanitizer or none at all.

llvm-svn: 315339
2017-10-10 17:59:37 +00:00
Matt Morehouse bb380c3c72 [clang-fuzzer] Allow building without coverage instrumentation.
Summary:
Compile with DummyClangFuzzer.cpp as entry point rather than
libFuzzer's main when coverage instrumentation is missing.

https://llvm.org/pr34314

Reviewers: kcc, bogner, vitalybuka

Reviewed By: vitalybuka

Subscribers: cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D38642

llvm-svn: 315336
2017-10-10 17:41:43 +00:00
Haojian Wu 21cc138f35 [clang-refactor] Fix clang-tidy misc-move-const-arg warning.
NFC

llvm-svn: 315290
2017-10-10 09:48:38 +00:00
Alex Lorenz cdb9a05a81 Revert r315087
clang-refactor crashes on some bots after this commit

llvm-svn: 315095
2017-10-06 19:49:29 +00:00
Alex Lorenz 15da33480b [refactor] add support for refactoring options
This commit adds initial support for refactoring options. One can now use
optional and required std::string options.

This commit also adds a NewNameOption for the local-rename refactoring action to
allow rename to work with custom names.

Differential Revision: https://reviews.llvm.org/D37856

llvm-svn: 315087
2017-10-06 18:12:29 +00:00
Andrew Gozillon 572bbb0754 Dependent Address Space Support
This patch relates to: https://reviews.llvm.org/D33666 This adds support
for template parameters to be passed to the address_space attribute. 
The main goal is to add further flexibility to the attribute and allow 
for it to be used easily with templates.

The main additions are a new type (DependentAddressSpaceType) alongside 
its TypeLoc and its mangling. As well as the logic required to support 
dependent address spaces which mainly resides in TreeTransform.h and 
SemaType.cpp.

llvm-svn: 314649
2017-10-02 06:25:51 +00:00
Sean Callanan 967d438439 Add support for remembering origins to ExternalASTMerger
ExternalASTMerger has hitherto relied on being able to look up 
any Decl through its named DeclContext chain. This works for 
many cases, but causes problems for function-local structs, 
which cannot be looked up in their containing FunctionDecl. An
example case is

void f() {
  { struct S { int a; }; }
  { struct S { bool b; }; }
}

It is not possible to lookup either of the two Ses individually 
(or even to provide enough information to disambiguate) after 
parsing is over; and there is typically no need to, since they 
are invisible to the outside world.

However, ExternalASTMerger needs to be able to complete either 
S on demand. This led to an XFAIL on test/Import/local-struct, 
which this patch removes. The way the patch works is:

It defines a new data structure, ExternalASTMerger::OriginMap,
which clients are expected to maintain (default-constructing 
if the origin does not have an ExternalASTMerger servicing it)
As DeclContexts are imported, if they cannot be looked up by 
name they are placed in the OriginMap. This allows 
ExternalASTMerger to complete them later if necessary.
As DeclContexts are imported from an origin that already has 
its own OriginMap, the origins are forwarded – but only for 
those DeclContexts that are actually used. This keeps the 
amount of stored data minimal.

The patch also applies several improvements from review:

- Thoroughly documents the interface to ExternalASTMerger;
- Adds optional logging to help track what's going on; and
- Cleans up a bunch of braces and dangling elses.

Differential Revision: https://reviews.llvm.org/D38208

llvm-svn: 314336
2017-09-27 19:57:58 +00:00
Hans Wennborg 978419bf37 clang-format plugin: Add missing NL (new line) at EOF (end of file)
clang-format.exe removes trailing new lines at end of file.

However, if no NL is found at EOF one should be added.

Patch by Teodor MICU!

Differential Revision: https://reviews.llvm.org/D37732

llvm-svn: 314033
2017-09-22 21:47:39 +00:00
Dave Lee 1a532c9e1d [index] Generate class & metaclass manglings for objc
Summary:
ObjC classes have two associated symbols, one for the class and one for the
metaclass.

This change overloads `CodegenNameGenerator::getAllManglings` to produce both
class and metaclass symbols.

While this function is called by `clang_Cursor_getCXXManglings`, it's only
called for CXXRecordDecl and CXXMethodDecl, and so libclang's behavior is
unchanged.

Reviewers: arphaman, abdulras, alexshap, compnerd

Reviewed By: compnerd

Subscribers: compnerd

Differential Revision: https://reviews.llvm.org/D37671

llvm-svn: 313997
2017-09-22 16:58:57 +00:00
Gabor Horvath e350b0a196 Add Cross Translation Unit support library
This patch introduces a class that can help to build tools that require cross
translation unit facilities. This class allows function definitions to be loaded
from external AST files based on an index. In order to use this functionality an
index is required. The index format is a flat text file but it might be
replaced with a different solution in the near future. USRs are used as names to
look up the functions definitions. This class also does caching to avoid
redundant loading of AST files.

Right now only function defnitions can be loaded using this API because this is
what the in progress cross translation unit feature of the Static Analyzer
requires. In to future this might be extended to classes, types etc.

Differential Revision: https://reviews.llvm.org/D34512

llvm-svn: 313975
2017-09-22 11:11:01 +00:00
Serge Pavlov 3b7d381169 Put target deduced from executable name at the start of argument list
When clang is called as 'target-clang', put deduced target option at
the start of argument list so that option '--target=' specified in command
line could override it.

This change fixes PR34671.

llvm-svn: 313760
2017-09-20 15:22:27 +00:00
Alex Lorenz 3d712c46e6 [refactor] Use CommonOptionsParser in clang-refactor
This commit ensures that CommonOptionsParser works with subcommands. This allows
clang-refactor to use the CommonOptionsParser.

Differential Revision: https://reviews.llvm.org/D37618

llvm-svn: 313260
2017-09-14 13:16:14 +00:00
Alex Lorenz 23cd4d7c17 Link clang-refactor with clangFormat
This is an attempt to fix
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage after r313244.

llvm-svn: 313252
2017-09-14 10:46:29 +00:00
Alex Lorenz a2765181cc Link clang-refactor with clangAST and clangLex
This is an attempt to fix http://bb.pgr.jp/builders/clang-i686-linux-RA/ after
r313244.

llvm-svn: 313249
2017-09-14 10:38:04 +00:00
Alex Lorenz b54ef6a2a4 [refactor] add clang-refactor tool with initial testing support and
local-rename action

This commit introduces the clang-refactor tool alongside the local-rename action
which uses the existing renaming engine used by clang-rename. The tool
doesn't actually perform the source transformations yet, it just provides
testing support. This commit also moves only one test from clang-rename over to
test/Refactor. I will continue to move the other tests throughout
development of clang-refactor.

The following options are supported by clang-refactor:

-v: use verbose output
-selection: The source range that corresponds to the portion of the source
 that's selected (currently only special command test:<file> is supported).

Please note that a follow-up commit will migrate clang-refactor to
libTooling's common option parser, so clang-refactor will be able to use
the common interface with compilation database and options like -p, -extra-arg,
etc.

The testing support provided by clang-refactor is described below:

When -selection=test:<file> is given, clang-refactor will parse the selection
commands from that file. The selection commands are grouped and the specified
refactoring action invoked by the tool. Each command in a group is expected to
produce an identical result. The precise syntax for the selection commands is
described in a comment in TestSupport.h.

Differential Revision: https://reviews.llvm.org/D36574

llvm-svn: 313244
2017-09-14 10:06:52 +00:00
Saleem Abdulrasool 50bc565f3f libclang: expose `clang_getCursorTLSKind`
Introduce the 'TLS Kind' property of variable declarations through
libclang. Additionally, provide a Python accessor for it, and test that
functionality.

Patch by Masud Rahman!

llvm-svn: 313111
2017-09-13 02:15:09 +00:00
Hans Wennborg 99b3265496 clang-format-vs: Update the VSIX ID.
We're moving the extension to a new account on the VS Marketplace, and
apparently it's not possible to re-upload an extension with an existing
ID on a new account.

llvm-svn: 313060
2017-09-12 18:38:34 +00:00
Vedant Kumar 3919a501f3 [Lexer] Report more precise skipped regions (PR34166)
This patch teaches the preprocessor to report more precise source ranges for
code that is skipped due to conditional directives.

The new behavior includes the '#' from the opening directive and the full text
of the line containing the closing directive in the skipped area. This matches
up clang's behavior (we don't IRGen the code between the closing "endif" and
the end of a line).

This also affects the code coverage implementation. See llvm.org/PR34166 (this
also happens to be rdar://problem/23224058).

The old behavior (report the end of the skipped range as the end
location of the 'endif' token) is preserved for indexing clients.

Differential Revision: https://reviews.llvm.org/D36642

llvm-svn: 312947
2017-09-11 20:47:42 +00:00
Miklos Vajna bf0d49c437 clang-rename: let -force handle multiple renames
Summary:
The use case is that renaming multiple symbols in a large enough codebase is
much faster if all of these can be done with a single invocation, but
there will be multiple translation units where one or more symbols are
not found.

Old behavior was to exit with an error (default) or exit without
reporting an error (-force). New behavior is that -force results in a
best-effort rename: rename symbols which are found and just ignore the
rest.

The existing help for -force sort of already implies this behavior.

Reviewers: cfe-commits, klimek, arphaman

Reviewed By: klimek

Differential Revision: https://reviews.llvm.org/D37634

llvm-svn: 312942
2017-09-11 20:18:38 +00:00
Sjoerd Meijer cc623ad071 Recommit "Add _Float16 as a C/C++ source language type"
This is a recommit of r312781; in some build configurations
variable names are omitted, so changed the new regression
test accordingly.

llvm-svn: 312794
2017-09-08 15:15:00 +00:00
Sjoerd Meijer 9aeedde7ff Revert "Add _Float16 as a C/C++ source language type"
The clang-with-lto-ubuntu bot didn't like the new regression
test, revert while I investigate the issue.

llvm-svn: 312784
2017-09-08 10:20:52 +00:00
Sjoerd Meijer ab36f33db8 Add _Float16 as a C/C++ source language type
This adds _Float16 as a source language type, which is a 16-bit floating point
type defined in C11 extension ISO/IEC TS 18661-3.

In follow up patches documentation and more tests will be added.

Differential Revision: https://reviews.llvm.org/D33719

llvm-svn: 312781
2017-09-08 09:42:32 +00:00
Rafael Espindola 79d9a6964d Update for llvm change.
llvm-svn: 312766
2017-09-08 00:01:26 +00:00
Jonas Devlieghere 5dc87861d6 [diagtool] Change default tree behavior to print only flags
This patch changes the default behavior of `diagtool tree` to only
display warning flags and not the internal warnings flags. The latter is
an implementation detail of the compiler and usually not what the users
wants.

Furthermore, flags that are enabled by default are now also printed in
green. Originally, this was only the case for the diagnostic names.

Differential revision: https://reviews.llvm.org/D37390

llvm-svn: 312546
2017-09-05 18:04:40 +00:00
Jonas Devlieghere e4563d1733 [NFC] Loop modernization in diagtool
Precommit for https://reviews.llvm.org/D37390

llvm-svn: 312545
2017-09-05 18:04:34 +00:00
Krasimir Georgiev 8a048c718a [clang-format] Fix lines=all case in clang-format.py
llvm-svn: 312536
2017-09-05 13:58:53 +00:00
Erik Verbruggen 284848d00c [libclang]: Honor LIBCLANG_NOTHREADS for clang_parseTranslationUnit*
Looks like this one was forgotten for clang_parseTranslationUnit*, as
LIBCLANG_NOTHREADS is checked for/in:

clang_saveTranslationUnit()
clang_reparseTranslationUnit()
clang_codeCompleteAt()
clang_indexTranslationUnit()
clang_indexSourceFile()

Patch by Nikolai Kosjar!

Differential Revision: https://reviews.llvm.org/D36821

llvm-svn: 311990
2017-08-29 09:08:02 +00:00
Serge Pavlov 4e769847c2 Use class to pass information about executable name
Information about clang executable name components, such as target and
driver mode, was passes in std::pair. With this change it is passed in
a special structure. It improves readability and makes access to this
information more convenient.

NFC.

Differential Revision: https://reviews.llvm.org/D36057

llvm-svn: 311981
2017-08-29 05:22:26 +00:00
George Karpenkov 8d15bbb019 Fix ClangFormatFuzzer.
llvm-svn: 311621
2017-08-24 00:30:28 +00:00
Matt Morehouse c01994b5fe [clang-proto-fuzzer] Fix clang-proto-to-cxx build.
llvm-svn: 311592
2017-08-23 19:58:07 +00:00
Johannes Altmanninger 38df0fa640 [clang-diff] Properly clear the selection in HTML diff
Reviewers: arphaman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D37072

llvm-svn: 311575
2017-08-23 16:52:15 +00:00
Johannes Altmanninger 8796049fc5 [clang-diff] HTML diff navigation
Summary:
This adds shortcuts j and k to jump between changes.
It is especially useful in diffs with few changes.

Reviewers: arphaman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D36685

llvm-svn: 311570
2017-08-23 16:32:13 +00:00
George Karpenkov ac385b7775 Update Clang fuzzers to use libFuzzer bundled with the toolchain.
Differential Revision: https://reviews.llvm.org/D37043

llvm-svn: 311516
2017-08-23 00:42:22 +00:00
Jacob Gravelle 46307d7350 [clang-diff] Refactor stop-after command-line flag
Summary:
Rename stop-after to stop-diff-after. When building LLVM with
-DLLVM_BUILD_LLVM_DYLIB=ON, stop-after collides with the stop-after
already present in LLVM.

Reviewers: johannes, arphaman

Subscribers: klimek, aheejin, cfe-commits

Differential Revision: https://reviews.llvm.org/D36989

llvm-svn: 311476
2017-08-22 17:42:44 +00:00
Krasimir Georgiev 5fb51ddf29 [clang-format] Fix lines regression in clang-format.py
Summary:
This patch fixes a regression after https://reviews.llvm.org/rL305665,
which updates the structure of the `lines` variable.

Reviewers: djasper

Reviewed By: djasper

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D37011

llvm-svn: 311456
2017-08-22 14:28:01 +00:00
Matt Morehouse bf6c9bb84b [clang-proto-fuzzer] Update README.
Add instructions on how to modify the compiler invocation.

llvm-svn: 311345
2017-08-21 16:18:43 +00:00