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* [CUDA] Allow function overloads in CUDA based on host/device attributes.Artem Belevich2015-09-221-0/+3
| | | | | | | | | | | | | | | | | | | The patch makes it possible to parse CUDA files that contain host/device functions with identical signatures, but different attributes without having to physically split source into host-only and device-only parts. This change is needed in order to parse CUDA header files that have a lot of name clashes with standard include files. Gory details are in design doc here: https://goo.gl/EXnymm Feel free to leave comments there or in this review thread. This feature is controlled with CC1 option -fcuda-target-overloads and is disabled by default. Differential Revision: http://reviews.llvm.org/D12453 llvm-svn: 248295
* Emiting llvm.invariant.group.barrier when dynamic type changesPiotr Padlewski2015-09-151-0/+1
| | | | | | | | | For more goto: http://lists.llvm.org/pipermail/cfe-dev/2015-July/044227.html http://reviews.llvm.org/D12312 llvm-svn: 247723
* [CUDA] Postprocess bitcode linked in during device-side CUDA compilation.Artem Belevich2015-09-101-0/+3
| | | | | | | | Link in and internalize the symbols we need from supplied bitcode library. Differential Revision: http://reviews.llvm.org/D11664 llvm-svn: 247317
* Do not include default sanitizer blacklists into -M/-MM/-MD/-MMD output.Ivan Krasin2015-09-021-1/+1
| | | | | | | | | | | | | | | | | Summary: Do not include default sanitizer blacklists into -M/-MM/-MD/-MMD output. Introduce a frontend option -fdepfile-entry, and only insert them for the user-defined sanitizer blacklists. In frontend, grab ExtraDeps from -fdepfile-entry, instead of -fsanitize-blacklist. Reviewers: rsmith, pcc Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D12544 llvm-svn: 246700
* Add a -gmodules option to the driver and a -dwarf-ext-refs to cc1Adrian Prantl2015-08-271-0/+1
| | | | | | | | | | | | | to enable the use of external type references in the debug info (a.k.a. module debugging). The driver expands -gmodules to "-g -fmodule-format=obj -dwarf-ext-refs" and passes that to cc1. All this does at the moment is set a flag codegenopts. http://reviews.llvm.org/D11958 llvm-svn: 246192
* [modules] Add an experimental -cc1 feature to embed the contents of an inputRichard Smith2015-08-141-0/+1
| | | | | | | | | | | file in the .pcm files. This allows a smaller set of files to be sent to a remote build worker when building with explicit modules (for instance, module map files need not be sent along with the corresponding precompiled modules). This doesn't actually make the embedded files visible to header search, so it's not useful as a packaging format for public header files. llvm-svn: 245028
* [modules] For explicit module file dependencies, only list direct dependency ↵Richard Smith2015-08-131-0/+3
| | | | | | module files. llvm-svn: 244931
* Add sanitizer blacklists to the rules generated with -M/-MM/-MD/-MMD.Ivan Krasin2015-08-131-0/+4
| | | | | | | | | | | | | | | | | | | Summary: Clang sanitizers, such as AddressSanitizer, ThreadSanitizer, MemorySanitizer, Control Flow Integrity and others, use blacklists to specify which types / functions should not be instrumented to avoid false positives or suppress known failures. This change adds the blacklist filenames to the list of dependencies of the rules, generated with -M/-MM/-MD/-MMD. This lets CMake/Ninja recognize that certain C/C++/ObjC files need to be recompiled (if a blacklist is updated). Reviewers: pcc Subscribers: rsmith, honggyu.kim, pcc, cfe-commits Differential Revision: http://reviews.llvm.org/D11968 llvm-svn: 244867
* Add -fno-coverage-mapping flag.Diego Novillo2015-08-051-1/+2
| | | | | | | This new flag allows the user to disable a previous instance of -fcoverage-mapping, if needed. llvm-svn: 244170
* Remove unnecessary ClangLibdirSuffix variable. Yaron Keren2015-08-051-6/+4
| | | | | | Twine + const char * is supported. llvm-svn: 244110
* Add -gcodeview and -gdwarf to control which type Clang emitsReid Kleckner2015-08-051-3/+7
| | | | | | | | | | | | | | | Summary: By default, 'clang' emits dwarf and 'clang-cl' emits codeview. You can force emission of one or both by passing -gcodeview and -gdwarf to either driver. Reviewers: dblaikie, hans Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11742 llvm-svn: 244097
* Delete trailing whitespaceDouglas Katzman2015-08-051-16/+16
| | | | llvm-svn: 244051
* [MS ABI] Hook clang up to the new EH instructionsDavid Majnemer2015-07-311-0/+1
| | | | | | | | | | The new EH instructions make it possible for LLVM to generate .xdata tables that the MSVC personality routines will be happy about. Because this is experimental, hide it behind a -cc1 flag (-fnew-ms-eh). Differential Revision: http://reviews.llvm.org/D11405 llvm-svn: 243767
* Add support for System z vector language extensionsUlrich Weigand2015-07-301-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The z13 vector facility has an associated language extension, closely modeled on AltiVec/VSX. The main differences are: - vector long, vector float and vector pixel are not supported - vector long long and vector double are supported (like VSX) - comparison operators return a vector rather than a scalar integer - shift operators behave like the OpenCL shift operators - vector bool is only supported as argument to certain operators; some operators allow mixing a bool with a non-bool vector This patch adds clang support for the extension. It is closely modelled on the AltiVec support. Similarly to the -faltivec option, there's a new -fzvector option to enable the extensions (as well as an -mzvector alias for compatibility with GCC). There's also a separate LangOpt. The extension as implemented here is intended to be compatible with the -mzvector extension recently implemented by GCC. Based on a patch by Richard Sandiford. Differential Revision: http://reviews.llvm.org/D11001 llvm-svn: 243642
* Add -femulated-tls flag to select the emulated TLS model.Chih-Hung Hsieh2015-07-281-0/+3
| | | | | | | | | This will be used for old targets like Android that do not support ELF TLS models. Differential Revision: http://reviews.llvm.org/D10524 llvm-svn: 243441
* Fix -save-temp when using objc-arc, sanitizer and profilingSteven Wu2015-07-171-1/+11
| | | | | | | | | | | | Currently, -save-temp will cause ObjCARC optimization to be dropped, sanitizer pass to run early in the pipeline, and profiling instrumentation to run twice. Fix the issue by properly disable all passes in the optimization pipeline when generating bitcode output and parse some of the Language Options even when the input is bitcode so the passes can be setup correctly. llvm-svn: 242565
* Make the clang module container format selectable from the command line.Adrian Prantl2015-07-171-0/+2
| | | | | | | | | | | | | - introduces a new cc1 option -fmodule-format=[raw,obj] with 'raw' being the default - supports arbitrary module container formats that libclang is agnostic to - adds the format to the module hash to avoid collisions - splits the old PCHContainerOperations into PCHContainerWriter and a PCHContainerReader. Thanks to Richard Smith for reviewing this patch! llvm-svn: 242499
* [OpenMP] Add TLS-based implementation for threadprivate directive.Samuel Antao2015-07-131-0/+2
| | | | llvm-svn: 242080
* Add an experimental flag -fsanitize-memory-use-after-dtor.Evgeniy Stepanov2015-07-101-0/+2
| | | | | | | | | | | This flag will enable detection of use-after-destructor (but before memory deallocation) bugs. No actual functionality yet. https://code.google.com/p/address-sanitizer/issues/detail?id=73 Patch by Naomi Musgrave. llvm-svn: 241935
* Resubmit "Pass down the -flto option to the -cc1 job" (r239481)Teresa Johnson2015-07-061-0/+2
| | | | | | | | | | | | | | | | | | The patch is the same except for the addition of a new test for the issue that required reverting the dependent llvm commit. --Original Commit Message-- Pass down the -flto option to the -cc1 job, and from there into the CodeGenOptions and onto the PassManagerBuilder. This enables gating the new EliminateAvailableExternally module pass on whether we are preparing for LTO. If we are preparing for LTO (e.g. a -flto -c compile), the new pass is not included as we want to preserve available externally functions for possible link time inlining. llvm-svn: 241467
* [Modules] Consider -fmodule-feature in module hash and when loadingBen Langmuir2015-06-231-0/+4
| | | | | | | Any extra features from -fmodule-feature are part of the module hash and need to get validated on load. Also print them with -module-file-info. llvm-svn: 240433
* Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").Alexander Kornienko2015-06-221-1/+1
| | | | llvm-svn: 240353
* Update for LLVM API change to return by InputArgList directly (rather than ↵David Blaikie2015-06-221-18/+18
| | | | | | by pointer) from ParseArgs llvm-svn: 240349
* [modules] Add a flag to disable the feature that permits conflicting ↵Richard Smith2015-06-221-0/+2
| | | | | | | | | | | | redefinitions of internal-linkage symbols that are not visible. Such conflicts are an accident waiting to happen, and this feature conflicts with the desire to include existing headers into multiple modules and merge the results. (In an ideal world, it should not be possible to export internal linkage symbols from a module, but sadly the glibc and libstdc++ headers provide 'static inline' functions in a few cases.) llvm-svn: 240335
* Fixed/added namespace ending comments using clang-tidy. NFCAlexander Kornienko2015-06-221-1/+1
| | | | | | | | | | | | The patch is generated using this command: $ tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \ -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \ work/llvm/tools/clang To reduce churn, not touching namespaces spanning less than 10 lines. llvm-svn: 240270
* ArrayRef-ify ParseArgsDavid Blaikie2015-06-211-2/+2
| | | | llvm-svn: 240237
* Introduce -fsanitize-trap= flag.Peter Collingbourne2015-06-181-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | This flag controls whether a given sanitizer traps upon detecting an error. It currently only supports UBSan. The existing flag -fsanitize-undefined-trap-on-error has been made an alias of -fsanitize-trap=undefined. This change also cleans up some awkward behavior around the combination of -fsanitize-trap=undefined and -fsanitize=undefined. Previously we would reject command lines containing the combination of these two flags, as -fsanitize=vptr is not compatible with trapping. This required the creation of -fsanitize=undefined-trap, which excluded -fsanitize=vptr (and -fsanitize=function, but this seems like an oversight). Now, -fsanitize=undefined is an alias for -fsanitize=undefined-trap, and if -fsanitize-trap=undefined is specified, we treat -fsanitize=vptr as an "unsupported" flag, which means that we error out if the flag is specified explicitly, but implicitly disable it if the flag was implied by -fsanitize=undefined. Differential Revision: http://reviews.llvm.org/D10464 llvm-svn: 240105
* [modules] Simplify -cc1 interface for enabling implicit module maps.Richard Smith2015-06-161-4/+1
| | | | | | | | | | | | | We used to have a flag to enable module maps, and two more flags to enable implicit module maps. This is all redundant; we don't need any flag for enabling module maps in the abstract, and we don't usually have -fno- flags for -cc1. We now have just a single flag, -fimplicit-module-maps, that enables implicitly searching the file system for module map files and loading them. The driver interface is unchanged for now. We should probably rename -fmodule-maps to -fimplicit-module-maps at some point. llvm-svn: 239789
* Add `-verify-ignore-unexpected` option to ignore unexpected diagnostics in ↵Eric Fiselier2015-06-131-1/+31
| | | | | | | | | | | | | | | | | | | | | VerifyDiagnosticsConsumer Summary: The goal of this patch is to make `-verify` easier to use when testing libc++. The `notes` attached to compile error diagnostics are numerous and relatively unstable when they reference libc++ header internals. This patch allows libc++ to write stable compilation failure tests by allowing unexpected diagnostic messages to be ignored where they are not relevant. This patch adds a new CC1 flag called `-verify-ignore-unexpected`. `-verify-ignore-unexpected` tells `VerifyDiagnosticsConsumer` to ignore *all* unexpected diagnostic messages. `-verify-ignore-unexpected=<LevelList>` can be used to only ignore certain diagnostic levels. `<LevelList>` is a comma separated list of diagnostic levels to ignore. The supported levels are `note`, `remark`, `warning` and `error`. Reviewers: bogner, grosser, EricWF Reviewed By: EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D10138 llvm-svn: 239665
* Revert commit r239481 as it is dependent on reverted llvm commit r239480.Teresa Johnson2015-06-121-2/+0
| | | | llvm-svn: 239588
* add the -mrecip driver flag and process its options (3rd try)Sanjay Patel2015-06-111-1/+1
| | | | | | | | | | | | | | | | | | | The 1st and 2nd tries to land this (r238055, r238851) were reverted due to bot failures caused by the LLVM part of the patch. That was hopefully fixed after r239001. This is the front-end counterpart to D8982. The -mrecip option interface is based on maintaining compatibility with gcc: https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html#index-mrecip_003dopt-1627 https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/RS_002f6000-and-PowerPC-Options.html#index-mrecip-2289 ...while adding more functionality (allowing users to specify the number of refinement steps for each estimate type). Differential Revision: http://reviews.llvm.org/D8989 llvm-svn: 239536
* Pass down the -flto option to the -cc1 job, and from there into theTeresa Johnson2015-06-101-0/+2
| | | | | | | | | | | | CodeGenOptions and onto the PassManagerBuilder. This enables gating the new EliminateAvailableExternally module pass on whether we are preparing for LTO. If we are preparing for LTO (e.g. a -flto -c compile), the new pass is not included as we want to preserve available externally functions for possible link time inlining. llvm-svn: 239481
* Removing spurious semi colons; NFC.Aaron Ballman2015-06-091-1/+1
| | | | llvm-svn: 239400
* range-for'ify Args->filtered_begin(...) loopsSean Silva2015-06-091-108/+64
| | | | | | | We already have Args->filtered(...) which is a drop-in range-for replacement. llvm-svn: 239381
* Simplify this code a bit.Sean Silva2015-06-091-6/+5
| | | | | | We weren't using the short-circuiting property anyway. llvm-svn: 239376
* Revert "add the -mrecip driver flag and process its options (2nd try)"Rafael Espindola2015-06-031-1/+1
| | | | | | | | This reverts commit r238851. It depends on a llvm commit that was reverted. llvm-svn: 238904
* add the -mrecip driver flag and process its options (2nd try)Sanjay Patel2015-06-021-1/+1
| | | | | | | | | | | | | | | | | | | The first try to land this (r238055) was reverted due to bot failures caused by the LLVM part of the patch. That was hopefully fixed by r238788, and the LLVM patch was resubmitted at r238842. This is the front-end counterpart to D8982. The -mrecip option interface is based on maintaining compatibility with gcc: https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html#index-mrecip_003dopt-1627 https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/RS_002f6000-and-PowerPC-Options.html#index-mrecip-2289 ...while adding more functionality (allowing users to specify the number of refinement steps for each estimate type). Differential Revision: http://reviews.llvm.org/D8989 llvm-svn: 238851
* Replace push_back(Constructor(foo)) with emplace_back(foo) for non-trivial typesBenjamin Kramer2015-05-291-10/+10
| | | | | | | | | | | | | | | | | | | | If the type isn't trivially moveable emplace can skip a potentially expensive move. It also saves a couple of characters. Call sites were found with the ASTMatcher + some semi-automated cleanup. memberCallExpr( argumentCountIs(1), callee(methodDecl(hasName("push_back"))), on(hasType(recordDecl(has(namedDecl(hasName("emplace_back")))))), hasArgument(0, bindTemporaryExpr( hasType(recordDecl(hasNonTrivialDestructor())), has(constructExpr()))), unless(isInTemplateInstantiation())) No functional change intended. llvm-svn: 238601
* This reverts commit r238064 and r238055.Rafael Espindola2015-05-231-1/+1
| | | | | | They depend on a reverted llvm commit. llvm-svn: 238076
* add the -mrecip driver flag and process its optionsSanjay Patel2015-05-221-1/+1
| | | | | | | | | | | | | | | This is the front-end counterpart to D8982 (LLVM r238051). The -mrecip option interface is based on maintaining compatibility with gcc: https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html#index-mrecip_003dopt-1627 https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/RS_002f6000-and-PowerPC-Options.html#index-mrecip-2289 ...while adding more functionality (allowing users to specify the number of refinement steps for each estimate type). Differential Revision: http://reviews.llvm.org/D8989 llvm-svn: 238055
* "This adds -fconcepts-ts as a cc1 option for enabling theFaisal Vali2015-05-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | in-progress implementation of the Concepts TS. The recommended feature test macro __cpp_experimental_concepts is set to 1 (as opposed to 201501) to indicate that the feature is enabled, but the implementation is incomplete. The link to the Concepts TS in cxx_status is updated to refer to the PDTS (N4377). Additional changes related to __has_feature and __has_extension are to follow in a later change. Relevant tests include: test/Lexer/cxx-features.cpp The test file is updated with testing of the C++14 + Concepts TS mode. The expected behaviour is the same as that of the C++14 modes except for the case of __cpp_experimental_concepts." - Hubert Tong. Being committed for Hubert (as per his understanding with Richard Smith) as we start work on the concepts-ts following our preliminary strategy session earlier today. The patch is tiny and seems quite standard. Thanks Hubert! llvm-svn: 237982
* [OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492)Alexey Bataev2015-05-201-6/+2
| | | | | | | -fopenmp turns on OpenMP support and links libiomp5 as OpenMP library. Also there is -fopenmp={libiomp5|libgomp} option that allows to override effect of -fopenmp and link libgomp library (if -fopenmp=libgomp is specified). Differential Revision: http://reviews.llvm.org/D9736 llvm-svn: 237769
* [modules] Add local submodule visibility support for declarations.Richard Smith2015-05-151-0/+6
| | | | | | | | | | | | With this change, enabling -fmodules-local-submodule-visibility results in name visibility rules being applied to submodules of the current module in addition to imported modules (that is, names no longer "leak" between submodules of the same top-level module). This also makes it much safer to textually include a non-modular library into a module: each submodule that textually includes that library will get its own "copy" of that library, and so the library becomes visible no matter which including submodule you import. llvm-svn: 237473
* Add flag to enable native half typePirama Arumuga Nainar2015-05-141-1/+1
| | | | | | | | | | | | | | | | | | | Summary: r235215 enables support in LLVM for legalizing f16 type in the IR. AArch64 already had support for this. r235215 and some backend patches brought support for ARM, X86, X86-64, Mips and Mips64. This change exposes the LangOption 'NativeHalfType' in the command line, so the backend legalization can be used if desired. NativeHalfType is enabled for OpenCL (current behavior) or if '-fnative-half-type' is set. Reviewers: olista01, steven_wu, ab Subscribers: cfe-commits, srhines, aemerson Differential Revision: http://reviews.llvm.org/D9781 llvm-svn: 237406
* Make GNUInline consistent with whether we use traditional GNU inline semantics.Peter Collingbourne2015-05-131-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | Previously we were setting LangOptions::GNUInline (which controls whether we use traditional GNU inline semantics) if the language did not have the C99 feature flag set. The trouble with this is that C++ family languages also do not have that flag set, so we ended up setting this flag in C++ modes (and working around it in a few places downstream by also checking CPlusPlus). The fix is to check whether the C89 flag is set for the target language, rather than whether the C99 flag is cleared. This also lets us remove most CPlusPlus checks. We continue to test CPlusPlus when deciding whether to pre-define the __GNUC_GNU_INLINE__ macro for consistency with GCC. There is a change in semantics in two other places where we weren't checking both CPlusPlus and GNUInline (FunctionDecl::doesDeclarationForceExternallyVisibleDefinition and FunctionDecl::isInlineDefinitionExternallyVisible), but this change seems to put us back into line with GCC's semantics (test case: test/CodeGen/inline.c). While at it, forbid -fgnu89-inline in C++ modes, as GCC doesn't support it, it didn't have any effect before, and supporting it just makes things more complicated. Differential Revision: http://reviews.llvm.org/D9333 llvm-svn: 237299
* Move sanitizer parser and group expander from Driver to Basic.Peter Collingbourne2015-05-111-4/+1
| | | | | | | | No functional change. Differential Revision: http://reviews.llvm.org/D9621 llvm-svn: 237056
* Unify sanitizer kind representation between the driver and the rest of the ↵Peter Collingbourne2015-05-111-3/+3
| | | | | | | | | | compiler. No functional change. Differential Revision: http://reviews.llvm.org/D9618 llvm-svn: 237055
* [cuda] Include GPU binary into host object file and generate init/deinit code.Artem Belevich2015-05-071-0/+3
| | | | | | | | | | | | - added -fcuda-include-gpubinary option to incorporate results of device-side compilation into host-side one. - generate code to register GPU binaries and associated kernels with CUDA runtime and clean-up on exit. - added test case for init/deinit code generation. Differential Revision: http://reviews.llvm.org/D9507 llvm-svn: 236765
* [SanitizerCoverage] Give clang-cc1 the power to precisly specify needed ↵Alexey Samsonov2015-05-071-2/+8
| | | | | | | | | | | | | | | | | | sanitizier coverage mode. Summary: The next step is to add user-friendly control over these options to driver via -fsanitize-coverage= option. Test Plan: regression test suite Reviewers: kcc Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D9545 llvm-svn: 236756
* [modules] Add -fmodules-local-submodule-visibility flag.Richard Smith2015-05-011-0/+2
| | | | | | | | | | | | | | | This flag specifies that the normal visibility rules should be used even for local submodules (submodules of the currently-being-built module). Thus names will only be visible if a header / module that declares them has actually been included / imported, and not merely because a submodule that happened to be built earlier declared those names. This also removes the need to modularize bottom-up: textually-included headers will be included into every submodule that includes them, since their include guards will not leak between modules. So far, this only governs visibility of macros, not of declarations, so is not ready for real use yet. llvm-svn: 236350
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