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* [OpenMP] Map clause codegeneration.Samuel Antao2016-04-272-3/+3251
| | | | | | | | | | | | | | | Summary: Implement codegen for the map clause. All the new list items in 4.5 specification are supported. Fix bug in the generation of array sections that was exposed by some of the map clause tests: for pointer types the offsets have to be calculated from the pointee not the pointer. Reviewers: hfinkel, kkwli0, carlo.bertolli, arpith-jacob, ABataev Subscribers: ABataev, cfe-commits, caomhin, fraggamuffin Differential Revision: http://reviews.llvm.org/D16749 llvm-svn: 267808
* [OPENMP] Fix crash on initialization of classes with no init clause inAlexey Bataev2016-04-271-9/+21
| | | | | | | | | | declare reductions. If reduction clause is applied to instance of class with user-defined reduction operation without initialization clause, it may cause a crash. Patch fixes this issue. llvm-svn: 267695
* [OPENMP] Fix for codegen of captured variables in inlined directives.Alexey Bataev2016-04-274-4/+18
| | | | | | | | Currently there is a problem with codegen of inlined directives inside lambdas, it may cause a crash during codegen because of incorrect capturing of variables. Patch fixes this problem. llvm-svn: 267677
* [OPENMP 4.5] Codegen for 'taskloop' directive.Alexey Bataev2016-04-251-0/+198
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The taskloop construct specifies that the iterations of one or more associated loops will be executed in parallel using OpenMP tasks. The iterations are distributed across tasks created by the construct and scheduled to be executed. The next code will be generated for the taskloop directive: #pragma omp taskloop num_tasks(N) lastprivate(j) for( i=0; i<N*GRAIN*STRIDE-1; i+=STRIDE ) { int th = omp_get_thread_num(); #pragma omp atomic counter++; #pragma omp atomic th_counter[th]++; j = i; } Generated code: task = __kmpc_omp_task_alloc(NULL,gtid,1,sizeof(struct task),sizeof(struct shar),&task_entry); psh = task->shareds; psh->pth_counter = &th_counter; psh->pcounter = &counter; psh->pj = &j; task->lb = 0; task->ub = N*GRAIN*STRIDE-2; task->st = STRIDE; __kmpc_taskloop( NULL, // location gtid, // gtid task, // task structure 1, // if clause value &task->lb, // lower bound &task->ub, // upper bound STRIDE, // loop increment 0, // 1 if nogroup specified 2, // schedule type: 0-none, 1-grainsize, 2-num_tasks N, // schedule value (ignored for type 0) (void*)&__task_dup_entry // tasks duplication routine ); llvm-svn: 267395
* Debug info: Apply an empty debug location for global OpenMP destructors.Adrian Prantl2016-04-241-2/+2
| | | | | | | | | | | | LLVM really wants a debug location on every inlinable call in a function with debug info, because it otherwise cannot set up inlining debug info. This change applies an artificial line 0 debug location (which is how DWARF marks automatically generated code that has no corresponding source code) to the .__kmpc_global_dtor_. functions to avoid the LLVM Verifier complaining. llvm-svn: 267369
* [OPENMP] Fix for PR27463: Privatizing struct fields with array typeAlexey Bataev2016-04-221-8/+17
| | | | | | | | | | causes code generation failure. The codegen part of firstprivate clause for member decls used type of original variable without skipping reference type from OMPCapturedExprDecl. Patch fixes this problem. llvm-svn: 267125
* [OPENMP] Fix for LCV in simd directives in explicit clauses.Alexey Bataev2016-04-224-9/+171
| | | | | | | | If loop control variable for simd-based directives is explicitly marked as linear/lastprivate in clauses, codegen for such construct would crash. Patch fixes this problem. llvm-svn: 267101
* [OPENMP] Codegen for untied tasks.Alexey Bataev2016-04-203-13/+53
| | | | | | | | If the untied clause is present on a task construct, any thread in the team can resume the task region after a suspension. Patch adds proper codegen for untied tasks. llvm-svn: 266853
* [Clang] Remove unwanted --check-prefix=CHECK from unit tests. NFC.Mandeep Singh Grang2016-04-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Removed unwanted --check-prefix=CHECK from the following unit tests: test/CXX/special/class.copy/implicit-move-def.cpp test/CodeGen/cleanup-destslot-simple.c test/CodeGen/inline-asm-immediate-ubsan.c test/CodeGen/mips-interrupt-attr.c test/CodeGenCXX/cfi-stats.cpp test/CodeGenCXX/copy-constructor-elim.cpp test/CodeGenCXX/microsoft-templ-uuidof.cpp test/CodeGenCXX/vtable-linkage.cpp test/CodeGenObjC/messages-2.m test/Driver/noinline.c test/Index/remap-load.c test/Index/retain-comments-from-system-headers.c test/OpenMP/task_if_codegen.cpp test/Preprocessor/comment_save_macro.c Patch by: Mandeep Singh Grang (mgrang) Reviewers: rafael, ABataev, rengolin Projects: #clang-c Differential Revision: http://reviews.llvm.org/D19232 llvm-svn: 266843
* Revert "[OPENMP] Codegen for untied tasks."Alexey Bataev2016-04-193-53/+13
| | | | | | This reverts commit r266754. llvm-svn: 266755
* [OPENMP] Codegen for untied tasks.Alexey Bataev2016-04-193-13/+53
| | | | | | | | If the untied clause is present on a task construct, any thread in the team can resume the task region after a suspension. Patch adds proper codegen for untied tasks. llvm-svn: 266754
* Revert "[OPENMP] Codegen for untied tasks."Alexey Bataev2016-04-193-53/+13
| | | | | | This reverts commit 266722. llvm-svn: 266724
* [OPENMP] Codegen for untied tasks.Alexey Bataev2016-04-193-13/+53
| | | | | | If the untied clause is present on a task construct, any thread in the team can resume the task region after a suspension. Patch adds proper codegen for untied tasks. llvm-svn: 266722
* Warn if function or variable cannot be implicitly instantiatedSerge Pavlov2016-04-196-0/+15
| | | | | | | | | | | | With this patch compiler emits warning if it tries to make implicit instantiation of a template but cannot find the template definition. The warning can be suppressed by explicit instantiation declaration or by command line options -Wundefined-var-template and -Wundefined-func-template. The implementation follows the discussion of http://reviews.llvm.org/D12326. Differential Revision: http://reviews.llvm.org/D16396 llvm-svn: 266719
* [OPENMP 4.0] Fixed DSA analysis for taskloop directives.Alexey Bataev2016-04-132-6/+6
| | | | | | | Patch make clang to perform analysis for task-based directives also for taskloop-based directives. llvm-svn: 266198
* [OPENMP 4.0] Support for 'linear' clause in 'declare simd' directive.Alexey Bataev2016-04-123-28/+82
| | | | | | | | | | The linear clause declares one or more list items to be private to a SIMD lane and to have a linear relationship with respect to the iteration space of a loop. 'linear' '(' <linear-list> [ ':' <linear-step> ] ')' When a linear-step expression is specified in a linear clause it must be either a constant integer expression or an integer-typed parameter that is specified in a uniform clause on the directive. The special this pointer can be used as if was one of the arguments to the function in any of the linear, aligned, or uniform clauses. llvm-svn: 266056
* [OPENMP 4.0] Support for 'aligned' clause in 'declare simd' directive.Alexey Bataev2016-04-123-42/+85
| | | | | | | | | The aligned clause declares that the object to which each list item points is aligned to the number of bytes expressed in the optional parameter of the aligned clause. 'aligned' '(' <argument-list> [ ':' <alignment> ] ')' The optional parameter of the aligned clause, alignment, must be a constant positive integer expression. If no optional parameter is specified, implementation-defined default alignments for SIMD instructions on the target platforms are assumed. The special this pointer can be used as if was one of the arguments to the function in any of the linear, aligned, or uniform clauses. llvm-svn: 266052
* [OPENMP 4.0] Support for 'uniform' clause in 'declare simd' directive.Alexey Bataev2016-04-123-9/+33
| | | | | | | | | OpenMP 4.0 defines clause 'uniform' in 'declare simd' directive: 'uniform' '(' <argument-list> ')' The uniform clause declares one or more arguments to have an invariant value for all concurrent invocations of the function in the execution of a single SIMD loop. The special this pointer can be used as if was one of the arguments to the function in any of the linear, aligned, or uniform clauses. llvm-svn: 266041
* Lit C++11 Compatibility Patch #6Charles Li2016-04-1117-119/+510
| | | | | | | Updated the expected diagnostics of 17 OpenMP tests. The changes to each test are identical. llvm-svn: 265982
* [OPENMP 4.0] Parsing/sema analysis for 'simdlen' clause in 'declare simd'Alexey Bataev2016-04-074-10/+53
| | | | | | | | | | | | construct. OpenMP 4.0 defines '#pragma omp declare simd' construct that may have associated 'simdlen' clause with constant positive expression as an argument: simdlen(<const_expr>) Patch adds parsin and semantic analysis for simdlen clause. llvm-svn: 265668
* [OPENMP] Parsing and Sema support for 'omp declare target' directiveDmitry Polukhin2016-04-062-0/+182
| | | | | | | | | | | | | | | | | | | | Add parsing, sema analysis for 'declare target' construct for OpenMP 4.0 (4.5 support will be added in separate patch). The declare target directive specifies that variables, functions (C, C++ and Fortran), and subroutines (Fortran) are mapped to a device. The declare target directive is a declarative directive. In Clang declare target is implemented as implicit attribute for the declaration. The syntax of the declare target directive is as follows: #pragma omp declare target declarations-definition-seq #pragma omp end declare target Based on patch from Michael Wong http://reviews.llvm.org/D15321 llvm-svn: 265530
* [OPENMP] Codegen for teams directive for NVPTXCarlo Bertolli2016-04-041-0/+136
| | | | | | | | | | | | This patch implements the teams directive for the NVPTX backend. It is different from the host code generation path as it: Does not call kmpc_fork_teams. All necessary teams and threads are started upon touching the target region, when launching a CUDA kernel, and their execution is coordinated through sequential and parallel regions within the target region. Does not call kmpc_push_num_teams even if a num_teams of thread_limit clause is present. Setting the number of teams and the thread limit is implemented by the nvptx-related runtime. Please note that I am now passing a Clang Expr * to emitPushNumTeams instead of the originally chosen llvm::Value * type. The reason for that is that I want to avoid emitting expressions for num_teams and thread_limit if they are not needed in the target region. http://reviews.llvm.org/D17963 llvm-svn: 265304
* [OPENMP 4.0] Support for 'inbranch|noinbranch' clauses in 'declareAlexey Bataev2016-04-044-5/+19
| | | | | | | | | simd'. Added parsing/semantic analysis for 'inbranch|notinbranch' clauses of '#pragma omp declare simd' construct. llvm-svn: 265287
* [OPENMP 4.5] Allow data members as loop counters in loop-basedAlexey Bataev2016-04-011-0/+60
| | | | | | | | | | directives. OpenMP 4.5 allows privatization of non-static data members in non-static member functions. Patch allows to use and implicit privatization of data members used as counters in loop-based directives. llvm-svn: 265121
* Revert "[OPENMP] Allow skip expression after comma in clauses with lists."Alexey Bataev2016-04-0191-203/+215
| | | | | | | This reverts commit http://reviews.llvm.org/rL265003. After some thoughts decided to emit errors here. llvm-svn: 265119
* [OPENMP] Support dumping OpenMP specific constructs.Alexey Bataev2016-03-311-0/+68
| | | | | | | Add proper dumping support for OpenMP declarations, directives and clauses. llvm-svn: 265004
* [OPENMP] Allow skip expression after comma in clauses with lists.Alexey Bataev2016-03-3191-215/+203
| | | | | | Compatibility fix for better compatibility with the existing software. llvm-svn: 265003
* [OPENMP 4.0] Initial support for '#pragma omp declare simd' directive.Alexey Bataev2016-03-303-0/+220
| | | | | | | | | | | | | | | | Initial parsing/sema/serialization/deserialization support for '#pragma omp declare simd' directive. The 'declare simd' construct can be applied to a function to enable the creation of one or more versions that can process multiple arguments using SIMD instructions from a single invocation from a SIMD loop. If the function has any declarations, then the declare simd construct for any declaration that has one must be equivalent to the one specified for the definition. Otherwise, the result is unspecified. This pragma can be applied many times to the same declaration. Internally this pragma is represented as an attribute. But we need special processing for this pragma because it must be used before function declaration, this directive is applied to. Differential Revision: http://reviews.llvm.org/D10599 llvm-svn: 264853
* [OPENMP 4.5] Allow data members in 'aligned' clause.Alexey Bataev2016-03-296-2/+123
| | | | | | | OpenMP 4.5 allows privatization of data members OpenMP clauses. Patch adds support for data members in 'aligned' clause. llvm-svn: 264715
* [OPENMP] Remove extra code transformation.Alexey Bataev2016-03-2910-25/+28
| | | | | | | | | For better support of some specific GNU extensions some extra transformation of AST nodes were introduced. These transformations are very hard to handle. The code is improved in handling of these extensions by using captured expressions construct. llvm-svn: 264709
* [OPENMP] Allow runtime insert its own code inside OpenMP regions.Alexey Bataev2016-03-294-12/+19
| | | | | | | | | | Solution unifies interface of RegionCodeGenTy type to allow insert runtime-specific code before/after main codegen action defined in CGStmtOpenMP.cpp file. Runtime should not define its own RegionCodeGenTy for general OpenMP directives, but must be allowed to insert its own (required) code to support target specific codegen. llvm-svn: 264700
* Revert "[OPENMP] Allow runtime insert its own code inside OpenMP regions."Alexey Bataev2016-03-284-19/+12
| | | | | | Reverting because of failed tests. llvm-svn: 264577
* [OPENMP] Allow runtime insert its own code inside OpenMP regions.Alexey Bataev2016-03-284-12/+19
| | | | | | | | | | Solution unifies interface of RegionCodeGenTy type to allow insert runtime-specific code before/after main codegen action defined in CGStmtOpenMP.cpp file. Runtime should not define its own RegionCodeGenTy for general OpenMP directives, but must be allowed to insert its own (required) code to support target specific codegen. llvm-svn: 264576
* Revert "[OPENMP] Allow runtime insert its own code inside OpenMP regions."Alexey Bataev2016-03-284-19/+12
| | | | | | This reverts commit 3ee791165100607178073f14531a0dc90c622b36. llvm-svn: 264570
* [OPENMP] Allow runtime insert its own code inside OpenMP regions.Alexey Bataev2016-03-284-12/+19
| | | | | | | | | | Solution unifies interface of RegionCodeGenTy type to allow insert runtime-specific code before/after main codegen action defined in CGStmtOpenMP.cpp file. Runtime should not define its own RegionCodeGenTy for general OpenMP directives, but must be allowed to insert its own (required) code to support target specific codegen. llvm-svn: 264569
* [OpenMP] Base support for target directive codegen on NVPTX device.Arpith Chacko Jacob2016-03-221-0/+581
| | | | | | | | | | | | | | Summary: This patch adds base support for codegen of the target directive on the NVPTX device. Reviewers: ABataev Differential Revision: http://reviews.llvm.org/D17877 Reworked test case after buildbot failure on windows. Updated patch to integrate r263837 and test case nvptx_target_firstprivate_codegen.cpp. llvm-svn: 264018
* [OPENMP] Implementation of codegen for firstprivate clause of target directiveCarlo Bertolli2016-03-185-0/+838
| | | | | | | | | | | | | | | This patch implements the following aspects: It extends sema to check that a variable is not reference in both a map clause and firstprivate or private. This is needed to ensure correct functioning at codegen level, apart from being useful for the user. It implements firstprivate for target in codegen. The implementation applies to both host and nvptx devices. It adds regression tests for codegen of firstprivate, host and device side when using the host as device, and nvptx side. Please note that the regression test for nvptx codegen is missing VLAs. This is because VLAs currently require saving and restoring the stack which appears not to be a supported operation by nvptx backend. It adds a check in sema regression tests for target map, firstprivate, and private clauses. http://reviews.llvm.org/D18203 llvm-svn: 263837
* Revert r263783 as buildbot failure is being investigated.Arpith Chacko Jacob2016-03-181-587/+0
| | | | llvm-svn: 263784
* [OpenMP] Base support for target directive codegen on NVPTX device.Arpith Chacko Jacob2016-03-181-0/+587
| | | | | | | | | | | | | Summary: Reworked test case after buildbot failure on windows. This patch adds base support for codegen of the target directive on the NVPTX device. Reviewers: ABataev Differential Revision: http://reviews.llvm.org/D17877 llvm-svn: 263783
* [OPENMP 4.5] Allow to use private data members in 'copyprivate' clause.Alexey Bataev2016-03-172-5/+252
| | | | | | | | OpenMP 4.5 allows privatization of non-static data members in non-static member functions. This patch adds support of private data members in 'copyprivate' clauses. llvm-svn: 263706
* [OPENMP 4.0] Use 'declare reduction' constructs in 'reduction' clauses.Alexey Bataev2016-03-1718-144/+1140
| | | | | | | | OpenMP 4.0 allows to define custom reduction operations using '#pragma omp declare reduction' construct. Patch allows to use this custom defined reduction operations in 'reduction' clauses. llvm-svn: 263701
* [OPENMP] Support for codegen of private clause of target, host sideCarlo Bertolli2016-03-161-0/+264
| | | | | | | | This patch adds support for codegen of private clause of target and a regression test for host code generation, when the host is used as target device. I believe that code generation for nvptx backend would not require anything additional or different to what is done for the host. http://reviews.llvm.org/D18105 llvm-svn: 263654
* Revert commit http://reviews.llvm.org/D17877 to fix tests on x86.Arpith Chacko Jacob2016-03-151-587/+0
| | | | llvm-svn: 263589
* [OpenMP] Base support for target directive codegen on NVPTX device.Arpith Chacko Jacob2016-03-151-0/+587
| | | | | | | | | | | Summary: This patch adds base support for codegen of the target directive on the NVPTX device. Reviewers: ABataev Differential Revision: http://reviews.llvm.org/D17877 llvm-svn: 263587
* Reverted http://reviews.llvm.org/D17877 to fix tests.Arpith Chacko Jacob2016-03-151-587/+0
| | | | llvm-svn: 263555
* [OpenMP] Base support for target directive codegen on NVPTX device.Arpith Chacko Jacob2016-03-151-0/+587
| | | | | | | | | | | Summary: This patch adds base support for codegen of the target directive on the NVPTX device. Reviewers: ABataev Differential Revision: http://reviews.llvm.org/D17877 llvm-svn: 263552
* [OpenMP] Replace offloading option that start with -o with -fo.Samuel Antao2016-03-1411-236/+236
| | | | | | | | | | | | | | | Summary: The current offloading implementation is using -omptargets and -omp-host-ir-file-path options in the frontend. This causes the user a lot of trouble due to to the conflicts with the -o option. E.g. if the user misspells omptargets he will end up with a file with a weird name. This patches replaces these two options with -fomptargets and -fomp-host-ir-file-path to avoid these issues, and it is also more consistent with the other options like -fopenmp. Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev Subscribers: cfe-commits, caomhin, fraggamuffin Differential Revision: http://reviews.llvm.org/D18112 llvm-svn: 263442
* [OpenMP] Add support for multidimensional array sections in map clause SEMA.Samuel Antao2016-03-091-2/+122
| | | | | | | | | | | | Summary: In some cases it can be proved statically that multidimensional array section refer to contiguous storage and can therefore be allowed in a map clause. This patch adds support for those cases in SEMA. Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev Subscribers: cfe-commits, fraggamuffin, caomhin Differential Revision: http://reviews.llvm.org/D17547 llvm-svn: 263019
* [OPENMP 4.5] Codegen for data members in 'linear' clauseAlexey Bataev2016-03-092-3/+231
| | | | | | | | OpenMP 4.5 allows privatization of non-static data members in OpenMP constructs. Patch adds proper codegen support for data members in 'linear' clause llvm-svn: 263003
* Reapply r262741 [OPENMP] Codegen for distribute directiveCarlo Bertolli2016-03-071-0/+239
| | | | | | | | This patch provide basic implementation of codegen for teams directive, excluding all clauses except dist_schedule. It also fixes parts of AST reader/writer to enable correct pre-compiled header handling. http://reviews.llvm.org/D17170 llvm-svn: 262832
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