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* [Coverage] Emit gap areas in braces-optional statements (PR35387)Vedant Kumar2017-11-2912-47/+57
| | | | | | | | | | | | Emit a gap area starting after the r-paren location and ending at the start of the body for the braces-optional statements (for, for-each, while, etc). The count for the gap area equal to the body's count. This extends the fix in r317758. Fixes PR35387, rdar://35570345 Testing: stage2 coverage-enabled build of clang, check-clang llvm-svn: 319373
* [EH] Use __CxxFrameHandler3 for C++ EH in MS environmentsReid Kleckner2017-11-291-0/+20
| | | | | | | | Fixes regression introduced by r319297. MSVC environments still use SEH unwind opcodes but they should use the Microsoft C++ EH personality, not the mingw one. llvm-svn: 319363
* [OPENMP] Allow only loop control variables in distribute simdAlexey Bataev2017-11-2914-440/+174
| | | | | | | | | directives. According to the OpenMP standard, only loop control variables can be used in linear clauses of distribute-based simd directives. llvm-svn: 319362
* [analyzer] Fix unreachable creating PathDiagnosticLocation with widen-loops=trueDevin Coughlin2017-11-291-0/+72
| | | | | | | | | | | | | In the original design of the analyzer, it was assumed that a BlockEntrance doesn't create a new binding on the Store, but this assumption isn't true when 'widen-loops' is set to true. Fix this by finding an appropriate location BlockEntrace program points. Patch by Henry Wong! Differential Revision: https://reviews.llvm.org/D37187 llvm-svn: 319333
* [OPENMP] Do not allow `linear` clauses on non-simd distributeAlexey Bataev2017-11-298-890/+11
| | | | | | | | directives. `linear` clause is not allowed on non-simd distribute-based directives. llvm-svn: 319332
* [Driver] Turns out the GNU assembler does support falkor/saphira.Chad Rosier2017-11-291-6/+0
| | | | llvm-svn: 319323
* Toolchain: Normalize dwarf, sjlj and seh ehMartell Malone2017-11-294-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 llvm-svn: 319297
* Revert "Toolchain: Normalize dwarf, sjlj and seh eh"Martell Malone2017-11-294-27/+1
| | | | | | | | This reverts rL319294. The windows sanitizer does not like seh on x86. Will re apply with None type for x86 llvm-svn: 319295
* Toolchain: Normalize dwarf, sjlj and seh ehMartell Malone2017-11-294-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 llvm-svn: 319294
* Reland "Fix vtable not receiving hidden visibility when using push(visibility)"Jake Ehrlich2017-11-291-0/+20
| | | | | | | | | | I had to reland this change in order to make the test work on windows This change should resolve https://bugs.llvm.org/show_bug.cgi?id=35022 https://reviews.llvm.org/D39627 llvm-svn: 319269
* [OPENMP] Generalize capturing of clauses expressions.Alexey Bataev2017-11-281-7/+3
| | | | | | | The handling and capturing of the non-constant expressions of some of the capturable clauses in combined directives is generalized. llvm-svn: 319227
* [CUDA] Report "unsupported VLA" errors only on device side.Artem Belevich2017-11-283-4/+4
| | | | | | | | | | | | This fixes erroneously reported CUDA compilation errors in host-side code during device-side compilation. I've also restricted OpenMP-specific checks to trigger only if we're compiling with OpenMP enabled. Differential Revision: https://reviews.llvm.org/D40275 llvm-svn: 319201
* [test] Fix a typo in a test comment. NFC.Martin Storsjo2017-11-281-1/+1
| | | | llvm-svn: 319145
* [clang-cl] Alias /Wall to -WeverythingReid Kleckner2017-11-271-1/+2
| | | | | | | cl interprets this option to mean enable every supported warning, which is what Clang's -Weverything flag does. llvm-svn: 319116
* [OPENMP] Codegen for `distribute parallel for simd` directive.Alexey Bataev2017-11-277-0/+4240
| | | | | | | Initial codegen for `#pragma omp distribute parallel for simd` directive and its clauses. llvm-svn: 319079
* Switch CPU names not recognized by GNU assemblerPirama Arumuga Nainar2017-11-271-0/+17
| | | | | | | | | | | | | | | | Summary: Switch CPU names not recognized by GNU assembler to a close CPU that it does recognize. In this patch, kryo, falkor and saphira all get replaced by cortex-a57 when invoking the assembler. In addition, krait was already being replaced by cortex-a15. Reviewers: weimingz Subscribers: srhines, cfe-commits Differential Revision: https://reviews.llvm.org/D40476 llvm-svn: 319077
* [analyzer] pr34766: Fix a crash on explicit std::initializer_list constructor.Artem Dergachev2017-11-271-1/+5
| | | | | | | | | | | | | | | | We didn't support the following syntax: (std::initializer_list<int>){12} which suddenly produces CompoundLiteralExpr that contains CXXStdInitializerListExpr. Lift the assertion and instead pass the value through CompoundLiteralExpr transparently, as it doesn't add much. Differential Revision: https://reviews.llvm.org/D39803 llvm-svn: 319058
* [analyzer] pr34404: Fix a crash on modeling pointers to indirect members.Artem Dergachev2017-11-271-0/+39
| | | | | | | | | | | | | | | | | We were crashing whenever a C++ pointer-to-member was taken, that was pointing to a member of an anonymous structure field within a class, eg. struct A { struct { int x; }; }; // ... &A::x; Differential Revision: https://reviews.llvm.org/D39800 llvm-svn: 319055
* [OPENMP] Improve handling of cancel directives in target-basedAlexey Bataev2017-11-271-0/+2
| | | | | | | | | constructs, NFC. Improved handling of cancel|cancellation point directives inside target-based for directives. llvm-svn: 319046
* [lit] Set shlibpath_var on SolarisFedor Sergeev2017-11-271-1/+1
| | | | | | | | | | | | | | | | | | | | | Summary: During make check-all on Solaris, lit complains llvm-lit: /vol/gcc/src/llvm/llvm/dist/tools/clang/test/Unit/lit.cfg.py:57: warning: unable to inject shared library path on 'SunOS' The following patch avoids this: Solaris uses LD_LIBRARY_PATH like several other targets. In theory, one could also handle LD_LIBRARY_PATH_{32,64} which take precedence over LD_LIBRARY_PATH if set, but let's cross that bridge when we get there. Patch by Rainer Orth. Reviewers: rsmith, lichray Reviewed By: lichray Differential Revision: https://reviews.llvm.org/D39640 llvm-svn: 319026
* [OpenCL] Add extensions cl_intel_subgroups and cl_intel_subgroups_shortAlexey Sotkin2017-11-271-0/+18
| | | | | | | | | | | | Reviewers: yaxunl, Anastasia, bader Reviewed By: Anastasia, bader Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D39936 llvm-svn: 319011
* Determine the attribute subject for diagnostics based on declarative ↵Aaron Ballman2017-11-2648-150/+150
| | | | | | | | | | information in DeclNodes.td. This greatly reduces the number of enumerated values used for more complex diagnostics; these are now only required when the "attribute only applies to" diagnostic needs to be generated manually as part of semantic processing. This also clarifies some terminology used by the diagnostic (methods -> Objective-C methods, fields -> non-static data members, etc). Many of the tests needed to be updated in multiple places for the diagnostic wording tweaks. The first instance of the diagnostic for that attribute is fully specified and subsequent instances cut off the complete list (to make it easier if additional subjects are added in the future for the attribute). llvm-svn: 319002
* Control-Flow Enforcement Technology - Shadow Stack and Indirect Branch ↵Oren Ben Simhon2017-11-264-2/+113
| | | | | | | | | | | | | | | | | | Tracking support (Clang side) Shadow stack solution introduces a new stack for return addresses only. The stack has a Shadow Stack Pointer (SSP) that points to the last address to which we expect to return. If we return to a different address an exception is triggered. This patch includes shadow stack intrinsics as well as the corresponding CET header. It includes CET clang flags for shadow stack and Indirect Branch Tracking. For more information, please see the following: https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf Differential Revision: https://reviews.llvm.org/D40224 Change-Id: I79ad0925a028bbc94c8ecad75f6daa2f214171f1 llvm-svn: 318995
* [X86] Use separate builtins for fma4 scalar intrinsics. Use negations to ↵Craig Topper2017-11-252-14/+30
| | | | | | | | | | remove some of the scalar fma3 builtins. fma4 instructions zero the upper bits of the xmm register. fma3 instructions leave the bits unmodified. This requires separate builtins for the different semantics. While we're cleaning up the scalar builtins this also removes the fma3 fmsub/fnmadd/fnmsub builtins by using negates in the header file. llvm-svn: 318985
* [analyzer] Teach RetainCountChecker about CoreMedia APIsDevin Coughlin2017-11-251-0/+45
| | | | | | | | | | Teach the retain-count checker that CoreMedia reference types use CoreFoundation-style reference counting. This enables the checker to catch leaks and over releases of those types. rdar://problem/33599757 llvm-svn: 318979
* [OPENMP] Add support for cancel constructs in `target teams distributeAlexey Bataev2017-11-221-1/+4
| | | | | | | | | parallel for`. Add support for cancel/cancellation point directives inside `target teams distribute parallel for` directives. llvm-svn: 318881
* [OPENMP] Add support for cancel constructs in [teams] distributeAlexey Bataev2017-11-224-0/+22
| | | | | | | | | parallel for directives. Added codegen/sema support for cancel constructs in [teams] distribute parallel for directives. llvm-svn: 318872
* Revert "[CodeGen] Fix vtable not receiving hidden visibility when using ↵Petr Hosek2017-11-221-21/+0
| | | | | | | | push(visibility)" This reverts commit r318853: tests are failing on Windows bots llvm-svn: 318866
* [OPENMP] Added missed checks for for [simd] based directives.Alexey Bataev2017-11-225-2/+352
| | | | | | | Added missed checks/analysis for safelen/simdlen clauses + linear clause in for [simd] based directives. llvm-svn: 318860
* [CodeGen] Fix vtable not receiving hidden visibility when using push(visibility)Petr Hosek2017-11-221-0/+21
| | | | | | | | | | This change should resolve https://bugs.llvm.org/show_bug.cgi?id=35022 Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D39627 llvm-svn: 318853
* [OPENMP] Do not mark captured variables as artificial in debug info.Alexey Bataev2017-11-221-0/+10
| | | | | | | Captured variables should not be marked as artificial parameters in outlined functions in debug info. llvm-svn: 318843
* [OpenMP] Adjust arguments of nvptx runtime functionsJonas Hahnfeld2017-11-224-13/+13
| | | | | | | | | | | | | In the future the compiler will analyze whether the OpenMP runtime needs to be (fully) initialized and avoid that overhead if possible. The functions already take an argument to transfer that information to the runtime, so pass in the default value 1. (This is needed for binary compatibility with libomptarget-nvptx currently being upstreamed.) Differential Revision: https://reviews.llvm.org/D40354 llvm-svn: 318836
* [OPENMP] Codegen for `target teams` directive.Alexey Bataev2017-11-222-9/+36
| | | | | | Added codegen of the clauses for `target teams` directive. llvm-svn: 318834
* [Driver] Make the use of relax relocations a per target optionPetr Hosek2017-11-221-0/+1
| | | | | | | | | | | | | The support for relax relocations is dependent on the linker and different toolchains within the same compiler can be using different linkers some of which may or may not support relax relocations. Give toolchains the option to control whether they want to use relax relocations in addition to the existing (global) build system option. Differential Revision: https://reviews.llvm.org/D39831 llvm-svn: 318816
* [OpenMP] Fix tests after r318789Richard Trieu2017-11-214-15/+15
| | | | | | Update use of __tgt_target that had some 32bit types updated to 64bit. llvm-svn: 318811
* Avoid unecessary opsize byte in segment move to memoryNirav Dave2017-11-211-6/+6
| | | | | | | | | | | | | | | | | Segment moves to memory are always 16-bit. Remove invalid 32 and 64 bit variants. Recommiting with missing clang inline assembly test change. Fixes PR34478. Reviewers: rnk, craig.topper Subscribers: llvm-commits, hiraditya Differential Revision: https://reviews.llvm.org/D39847 llvm-svn: 318797
* The offsetof macro is intended to work with subobjects rather than simple ↵Aaron Ballman2017-11-211-4/+4
| | | | | | identifiers designating a member, making the -Wextended-offsetof diagnostic obsolete as this construct is not an extension. Implements WG14 DR496. llvm-svn: 318796
* [Clang][OpenMP] New clang/libomptarget map interface: new function ↵George Rokos2017-11-2130-564/+576
| | | | | | | | | | | signatures, clang-side This clang patch changes the __tgt_* API function signatures in preparation for the new map interface. Changes are: Device IDs 32bits --> 64bits, Flags 32bits --> 64bits Differential revision: https://reviews.llvm.org/D40281 llvm-svn: 318789
* Add -finstrument-function-entry-bare flagHans Wennborg2017-11-211-0/+13
| | | | | | | | | | | | | | | | | This is an instrumentation flag that's similar to -finstrument-functions, but it only inserts calls on function entry, the calls are inserted post-inlining, and they don't take any arugments. This is intended for users who want to instrument function entry with minimal overhead. (-pg would be another alternative, but forces frame pointer emission and affects link flags, so is probably best left alone to be used for generating gcov data.) Differential revision: https://reviews.llvm.org/D40276 llvm-svn: 318785
* Fix test/OpenMP/nvptx_data_sharing.cppJonas Hahnfeld2017-11-211-2/+2
| | | | | | This was an oversight that stayed in the test from development. llvm-svn: 318779
* [ASTImporter] Support new AST nodes:Aleksei Sidorin2017-11-213-3/+67
| | | | | | | | | | | | | | | | * UnresolvedUsingType * EmptyDecl * NamespaceAliasDecl * UsingDecl * UsingShadowDecl * UsingDirectiveDecl * UnresolvedUsingValueDecl * UnresolvedUsingTypenameDecl Refactor error handling in ImportTemplateArgumentLoc() method. Add a test for inline namespaces. llvm-svn: 318776
* [OpenMP] Add implicit data sharing support when offloading to NVIDIA GPUs ↵Gheorghe-Teodor Bercea2017-11-213-13/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | using OpenMP device offloading Summary: This patch is part of the development effort to add support in the current OpenMP GPU offloading implementation for implicitly sharing variables between a target region executed by the team master thread and the worker threads within that team. This patch is the first of three required for successfully performing the implicit sharing of master thread variables with the worker threads within a team. The remaining two patches are: - Patch D38978 to the LLVM NVPTX backend which ensures the lowering of shared variables to an device memory which allows the sharing of references; - Patch (coming soon) is a patch to libomptarget runtime library which ensures that a list of references to shared variables is properly maintained. A simple code snippet which illustrates an implicit data sharing situation is as follows: ``` #pragma omp target { // master thread only int v; #pragma omp parallel { // worker threads // use v } } ``` Variable v is implicitly shared from the team master thread which executes the code in between the target and parallel directives. The worker threads must operate on the latest version of v, including any updates performed by the master. The code generated in this patch relies on the LLVM NVPTX patch (mentioned above) which prevents v from being lowered in the thread local memory of the master thread thus making the reference to this variable un-shareable with the workers. This ensures that the code generated by this patch is correct. Since the parallel region is outlined the passing of arguments to the outlined regions must preserve the original order of arguments. The runtime therefore maintains a list of references to shared variables thus ensuring their passing in the correct order. The passing of arguments to the outlined parallel function is performed in a separate function which the data sharing infrastructure constructs in this patch. The function is inlined when optimizations are enabled. Reviewers: hfinkel, carlo.bertolli, arpith-jacob, Hahnfeld, ABataev, caomhin Reviewed By: ABataev Subscribers: cfe-commits, jholewinski Differential Revision: https://reviews.llvm.org/D38976 llvm-svn: 318773
* Add target triples to openmp-offload-gpu.cJonas Hahnfeld2017-11-211-3/+6
| | | | | | This might fix the failure on Green Dragon. llvm-svn: 318767
* [OpenMP] Consistently use cubin extension for nvlinkJonas Hahnfeld2017-11-211-25/+54
| | | | | | | | | | | | This was previously done in some places, but for example not for bundling so that single object compilation with -c failed. In addition cubin was used for all file types during unbundling which is incorrect for assembly files that are passed to ptxas. Tighten up the tests so that we can't regress in that area. Differential Revision: https://reviews.llvm.org/D40250 llvm-svn: 318763
* [MINGW] normalize WIN32 macrosMartell Malone2017-11-211-0/+58
| | | | | | | | | | | | | | move _WIN64 and _WIN32 defines to lib/Basic/Targets/OSTargets.h move WIN32, WIN64 and __MINGW64__ to addMinGWDefines fixes __MINGW64__ not being defined for aarch64 adds WIN32 definition for x64 Reviewers: mstorsjo Differential Revision: https://reviews.llvm.org/D40285 llvm-svn: 318755
* [Analyzer] Stable iteration on indirect goto LabelDecl's to avoid ↵Aleksei Sidorin2017-11-211-0/+96
| | | | | | | | | | | | | | | | | | | | non-determinism (attempt 2) CFG wass built in non-deterministic order due to the fact that indirect goto labels' declarations (LabelDecl's) are stored in the llvm::SmallSet container. LabelDecl's are pointers, whose order is not deterministic, and llvm::SmallSet sorts them by their non-deterministic addresses after "small" container is exceeded. This leads to non-deterministic processing of the elements of the container. The fix is to use llvm::SmallSetVector that was designed to have deterministic iteration order. Patch by Ilya Palachev! Differential Revision: https://reviews.llvm.org/D40073 llvm-svn: 318754
* [Analyzer] Revert r318750 because incorrect files were added for commit.Aleksei Sidorin2017-11-211-96/+0
| | | | | | Sorry for the noise. llvm-svn: 318753
* [Analyzer] Non-determinism: stable iteration on indirect goto LabelDecl'sAleksei Sidorin2017-11-211-0/+96
| | | | | | | | | | | | | | | | | | CFG wass built in non-deterministic order due to the fact that indirect goto labels' declarations (LabelDecl's) are stored in the llvm::SmallSet container. LabelDecl's are pointers, whose order is not deterministic, and llvm::SmallSet sorts them by their non-deterministic addresses after "small" container is exceeded. This leads to non-deterministic processing of the elements of the container. The fix is to use llvm::SmallSetVector that was designed to have deterministic iteration order. Patch by Ilya Palachev! Differential Revision: https://reviews.llvm.org/D40073 llvm-svn: 318750
* [Modules TS] Added module re-export support.Hamza Sood2017-11-212-4/+40
| | | | | | | This implements [dcl.modules.export] from the C++ Modules TS, which lets a module re-export another module with the "export import" syntax. Differential Revision: https://reviews.llvm.org/D40270 llvm-svn: 318744
* [x86][inline-asm] allow recognition of MPX regs inside ms inline-asm blobCoby Tayree2017-11-211-0/+11
| | | | | | Differential Revision: https://reviews.llvm.org/D38445 llvm-svn: 318739
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