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2018-04-09Merging r329052:Tom Stellard
------------------------------------------------------------------------ r329052 | hans | 2018-04-03 02:28:21 -0700 (Tue, 03 Apr 2018) | 1 line UsersManual.rst: update text for /GX- to match r328708 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@329625 91177308-0d34-0410-b5e6-96231b3b80d8
2018-03-02ReleaseNotes: move the retpoline bullets higherHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326550 91177308-0d34-0410-b5e6-96231b3b80d8
2018-03-02Add some minimal release notes for retpolines.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326540 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-28Fix a typo in the section about C++2a features; it follows C++17, not C++14Martin Storsjo
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326317 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-28A few release notes updates for C++ support in Clang 6.0.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326297 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-27Regenerate docs/AttributeReference.rstHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326197 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-27ReleaseNotes: tidy upHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@326190 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-23Regenerate DiagnosticsReference.rstHans Wennborg
$ bin/clang-tblgen -gen-diag-docs -I../cfe.src/include/clang/Basic \ ../cfe.src/include/clang/Basic/Diagnostic.td \ -o ../cfe.src/docs/DiagnosticsReference.rst git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325889 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-22Regenerate ClangCommandLineReference.rstHans Wennborg
$ bin/clang-tblgen -gen-opt-docs -I../cfe.src/include \ -I../cfe.src/include/clang/Driver -I../llvm.src/include \ ../cfe.src/include/clang/Driver/ClangOptionDocs.td \ -o ../cfe.src/docs/ClangCommandLineReference.rst git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325793 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-22docs: remove in-progress warningsHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325787 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-22ReleaseNotes: mention new -nostdlib++ flag, and clang-cl exposing --versionHans Wennborg
By Nico Weber git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325781 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-22ReleaseNotes: mention improvements to -Wdelete-non-virtual-dtor and ↵Hans Wennborg
-Wunreachable-code By Nico Weber! git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325780 91177308-0d34-0410-b5e6-96231b3b80d8
2018-02-05[ReleaseNotes] Add note for the new -fexperimental-isel flag.Hans Wennborg
Patch by Amara Emerson. Differential Revision: https://reviews.llvm.org/D42860 git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@324212 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-31[Docs] Added release notes for OpenCL.Anastasia Stulova
Differential Revision: https://reviews.llvm.org/D42307 git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@323875 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-23[ReleaseNotes] Mention OpenMP Tools Interface in runtime libraryJonas Hahnfeld
The OpenMP runtime has no dedicated Release Notes, so add it to Clang's section about OpenMP. Differential Revision: https://reviews.llvm.org/D42352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@323179 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-22[6.0.0 Release] Release notes for configuration files in clangSerge Pavlov
Differential Revision: https://reviews.llvm.org/D42360 git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@323132 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-22Merging r323123:Jonas Hahnfeld
------------------------------------------------------------------------ r323123 | hahnfeld | 2018-01-22 16:27:45 +0100 (Mon, 22 Jan 2018) | 6 lines [DOCS] Mention OpenMP Tools Interface in runtime library Also list supported configurations (architectures + operating systems). Differential Revision: https://reviews.llvm.org/D42349 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@323128 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-21[docs] Fix typo in Release NotesJonas Hahnfeld
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@323066 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-16Merging r322018:Hans Wennborg
------------------------------------------------------------------------ r322018 | abataev | 2018-01-08 11:02:51 -0800 (Mon, 08 Jan 2018) | 9 lines [OPENMP] Current status of OpenMP support. Summary: Some info about supported features of OpenMP 4.5-5.0. Reviewers: hfinkel, rsmith Subscribers: kkwli0, Hahnfeld, cfe-commits Differential Revision: https://reviews.llvm.org/D39457 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@322564 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-04[docs] Mention support for Windows/ARM64 in the release notesMartin Storsjo
Differential Revision: https://reviews.llvm.org/D41711 git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@321788 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-03Regenerate ClangCommandLineReference.rstHans Wennborg
$ bin/clang-tblgen -gen-opt-docs -I../cfe.src/include \ -I../cfe.src/include/clang/Driver -I../llvm.src/include \ ../cfe.src/include/clang/Driver/ClangOptionDocs.td \ -o ../cfe.src/docs/ClangCommandLineReference.rst git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@321745 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-03Generate docs/AttributeReference.rstHans Wennborg
$ bin/clang-tblgen -gen-attr-docs -I../cfe.src/include \ ../cfe.src/include/clang/Basic/Attr.td \ -o ../cfe.src/docs/AttributeReference.rst git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@321744 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-03UserManual: Update with the latest clang-cl flagsHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321705 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-01Fixed markup formattingSerge Pavlov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321623 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-01Enable configuration files in clangSerge Pavlov
Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321621 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-30Reverted 321587: Enable configuration files in clangSerge Pavlov
Need to check targets in tests more carefully. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321588 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-30Enable configuration files in clangSerge Pavlov
Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321587 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-29[docs] Added description of `-f[no]-openmp-simd` option to UsersManual.Alexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321562 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-29[docs] Updated ReleaseNotes for OpenMP part.Alexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321561 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-22[Modules] Change private modules rules and warningsBruno Cardoso Lopes
We used to advertise private modules to be declared as submodules (Foo.Private). This has proven to not scale well since private headers might carry several dependencies, introducing unwanted content into the main module and often causing dep cycles. Change the canonical way to name it to Foo_Private, forcing private modules as top level ones, and provide warnings under -Wprivate-module to suggest fixes for other private naming. Update documentation to reflect that. rdar://problem/31173501 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321337 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-21[ubsan] Diagnose noreturn functions which returnVedant Kumar
Diagnose 'unreachable' UB when a noreturn function returns. 1. Insert a check at the end of functions marked noreturn. 2. A decl may be marked noreturn in the caller TU, but not marked in the TU where it's defined. To diagnose this scenario, strip away the noreturn attribute on the callee and insert check after calls to it. Testing: check-clang, check-ubsan, check-ubsan-minimal, D40700 rdar://33660464 Differential Revision: https://reviews.llvm.org/D40698 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321231 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-18[hwasan] update the design docKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321027 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14Harmonize GNU- and C++-style attribute spellings.Aaron Ballman
Most attributes will now use the Clang<"name"> construct to provide both __attribute__((name)) and [[clang::name]] syntaxes for the attribute. Attributes deviating from this should be marked with a comment explaining why they are not supported under both spellings. Common reasons are: the attribute is provided by some other specification that controls the syntax or the attribute cannot be exposed under a particular spelling for some given reason. Because this is a mechanical change that only introduces new spellings, there are no test cases for the commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320752 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[Preprocessor] Implement __is_target_{arch|vendor|os|environment} function-likeAlex Lorenz
builtin macros This patch implements the __is_target_arch, __is_target_vendor, __is_target_os, and __is_target_environment Clang preprocessor extensions that were proposed by @compnerd in Bob's cfe-dev post: http://lists.llvm.org/pipermail/cfe-dev/2017-November/056166.html. These macros can be used to examine the components of the target triple at compile time. A has_builtin(is_target_???) preprocessor check can be used to check for their availability. __is_target_arch allows you to check if an arch is specified without worring about a specific subarch, e.g. __is_target_arch(arm) returns 1 for the target arch "armv7" __is_target_arch(armv7) returns 1 for the target arch "armv7" __is_target_arch(armv6) returns 0 for the target arch "armv7" __is_target_vendor and __is_target_environment match the specific vendor or environment. __is_target_os matches the specific OS, but __is_target_os(darwin) will match any Darwin-based OS. "Unknown" can be used to test if the triple's component is specified. rdar://35753116 Differential Revision: https://reviews.llvm.org/D41087 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320734 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-11[Driver][CodeGen] Add -mprefer-vector-width driver option and attribute ↵Craig Topper
during CodeGen. This adds a new command line option -mprefer-vector-width to specify a preferred vector width for the vectorizers. Valid values are 'none' and unsigned integers. The driver will check that it meets those constraints. Specific supported integers will be managed by the targets in the backend. Clang will take the value and add it as a new function attribute during CodeGen. This represents the alternate direction proposed by Sanjay in this RFC: http://lists.llvm.org/pipermail/llvm-dev/2017-November/118734.html The syntax here matches gcc, though gcc treats it as an x86 specific command line argument. gcc only allows values of 128, 256, and 512. I'm not having clang check any values. Differential Revision: https://reviews.llvm.org/D40230 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320419 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-11[Docs] Regenerate command line documentation.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320418 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-09Switch to gnu++14 as the default dialect.Tim Northover
This is C++14 with conforming GNU extensions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320250 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-08[hwasan] typo in docsKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320168 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-07Add new language mode flags for C17.Aaron Ballman
This adds -std=c17, -std=gnu17, and -std=iso9899:2017 as language mode flags for C17 and updates the value of __STDC_VERSION__ to the value based on the C17 FDIS. Given that this ballot cannot succeed until 2018, it is expected that we (and GCC) will add c18 flags as aliases once the ballot passes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320089 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-07Add support for the __has_c_attribute builtin preprocessor macro.Aaron Ballman
This behaves similar to the __has_cpp_attribute builtin macro in that it allows users to detect whether an attribute is supported with the [[]] spelling syntax, which can be enabled in C with -fdouble-square-bracket-attributes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320088 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-07update hwasan docsKostya Serebryany
Summary: * use more readable name * document the hwasan attribute Reviewers: eugenis Reviewed By: eugenis Subscribers: llvm-commits, cfe-commits Differential Revision: https://reviews.llvm.org/D40938 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320075 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-05[clang-format] Releasenotes for rL319024 : Add option to group multiple ↵Sylvestre Ledru
#include blocks when sorting includes Summary: This change adds missing releasenotes for commit rL319024 https://reviews.llvm.org/rL319024 Patch by Krzysztof Kapusta Reviewers: sylvestre.ledru Reviewed By: sylvestre.ledru Differential Revision: https://reviews.llvm.org/D40827 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319748 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-04design document for a hardware-assisted memory safety (HWAMS) tool, similar ↵Kostya Serebryany
to AddressSanitizer Summary: preliminary design document for a hardware-assisted memory safety (HWAMS) tool, similar to AddressSanitizer The name TaggedAddressSanitizer and the rest of the document, are early draft, suggestions are welcome. The code will follow shortly. Reviewers: eugenis, alekseyshl Reviewed By: eugenis Subscribers: davidxl, cryptoad, fedor.sergeev, cfe-commits, llvm-commits Differential Revision: https://reviews.llvm.org/D40568 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319684 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-30[analyzer] Fix false negative on post-increment of uninitialized variable.Roman Lebedev
Summary: Currently clang static analyzer does warn on: ``` int x; x+=1; x-=1; x=x+1; x=x-1; ``` But does warn on: ``` int x; x++; x--; --x; ++x; ``` This differential should fix that. Fixes https://bugs.llvm.org/show_bug.cgi?id=35419 Reviewers: dcoughlin, NoQ Reviewed By: dcoughlin Subscribers: NoQ, xazax.hun, szepet, cfe-commits, a.sidorin Tags: #clang Differential Revision: https://reviews.llvm.org/D40463 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319411 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-29Add the hasDefinition() AST matcher to match class declarations that also ↵Aaron Ballman
have a definition. Patch by Julie Hockett. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319360 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-29Toolchain: Normalize dwarf, sjlj and seh ehMartell Malone
This is a re-apply of r319294. adds -fseh-exceptions and -fdwarf-exceptions flags clang will check if the user has specified an exception model flag, in the absense of specifying the exception model clang will then check the driver default and append the model flag for that target to cc1 -fno-exceptions has a higher priority then specifying the model move __SEH__ macro definitions out of Targets into InitPreprocessor behind the -fseh-exceptions flag move __ARM_DWARF_EH__ macrodefinitions out of verious targets and into InitPreprocessor behind the -fdwarf-exceptions flag and arm|thumb check remove unused USESEHExceptions from the MinGW Driver fold USESjLjExceptions into a new GetExceptionModel function that gives the toolchain classes more flexibility with eh models Reviewers: rnk, mstorsjo Differential Revision: https://reviews.llvm.org/D39673 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319297 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-29Revert "Toolchain: Normalize dwarf, sjlj and seh eh"Martell Malone
This reverts rL319294. The windows sanitizer does not like seh on x86. Will re apply with None type for x86 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319295 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-29Toolchain: Normalize dwarf, sjlj and seh ehMartell Malone
adds -fseh-exceptions and -fdwarf-exceptions flags clang will check if the user has specified an exception model flag, in the absense of specifying the exception model clang will then check the driver default and append the model flag for that target to cc1 clang cc1 assumes dwarf is the default if none is passed and -fno-exceptions has a higher priority then specifying the model move __SEH__ macro definitions out of Targets into InitPreprocessor behind the -fseh-exceptions flag move __ARM_DWARF_EH__ macrodefinitions out of verious targets and into InitPreprocessor behind the -fdwarf-exceptions flag and arm|thumb check remove unused USESEHExceptions from the MinGW Driver fold USESjLjExceptions into a new GetExceptionModel function that gives the toolchain classes more flexibility with eh models Reviewers: rnk, mstorsjo Differential Revision: https://reviews.llvm.org/D39673 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319294 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-27[clang-format] Add option to group multiple #include blocks when sorting ↵Krasimir Georgiev
includes Summary: This patch allows grouping multiple #include blocks together and sort all includes as one big block. Additionally, sorted includes can be regrouped after sorting based on configured categories. Contributed by @KrzysztofKapusta! Reviewers: krasimir Reviewed By: krasimir Subscribers: cfe-commits, klimek Differential Revision: https://reviews.llvm.org/D40288 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319024 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-23[ASTMatchers] Matchers for new[] operatorsAdam Balogh
Two new matchers for `CXXNewExpr` are added which may be useful e.g. in `clang-tidy` checkers. One of them is `isArray` which matches `new[]` but not plain `new`. The other one, `hasArraySize` matches `new[]` for a given size. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@318909 91177308-0d34-0410-b5e6-96231b3b80d8
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