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* [OpenMP] Fix formatting of OpenMP error message, by Wang Tianqing.Alexey Bataev2020-01-021-0/+5
| | | | | | | | | | | | | | Summary: `getListOfPossibleValues()` formatted incorrectly when there is only one value, emitting something like `expected 'conditional' or in OpenMP clause 'lastprivate'`. Reviewers: jdoerfert, ABataev Reviewed By: jdoerfert Subscribers: guansong, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D71884
* [OPENMP50]Basic support for conditional lastprivate.Alexey Bataev2019-12-241-3/+11
| | | | Added parsing/sema checks for conditional lastprivates.
* [OPENMP]Add -Wunintialized to the erroneous tests for future fix PR42392,Alexey Bataev2019-07-081-6/+6
| | | | | | NFC. llvm-svn: 365334
* [OPENMP]Initial support for 'allocate' clause.Alexey Bataev2019-03-271-1/+2
| | | | | | Added parsing/sema analysis of the allocate clause. llvm-svn: 357068
* [OpenMP] Replace predetermined shared for const variableJoel E. Denny2019-01-041-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following appears in OpenMP 3.1 sec. 2.9.1.1 as a predetermined data-sharing attribute: > Variables with const-qualified type having no mutable member are > shared. It does not appear in OpenmP 4.0, 4.5, or 5.0. This patch removes the implementation of that attribute when the requested OpenMP version is greater than 3.1. One effect of that removal is that `default(none)` affects const variables without mutable members. Also, without this patch, if a const variable without mutable members was explicitly lastprivate or private, it was an error because it was predetermined shared. Now, clang instead complains that it's const without mutable fields, which is a more intelligible diagnostic. That should be fine for all of the above versions because they all have something like the following, which is quoted from OpenMP 5.0 sec. 2.19.3: > A variable that is privatized must not have a const-qualified type > unless it is of class type with a mutable member. This restriction does > not apply to the firstprivate clause. reduction and linear clauses already have separate checks for const variables. Future patches will merge the implementations. Reviewed By: ABataev Differential Revision: https://reviews.llvm.org/D56113 llvm-svn: 350439
* [OPENMP] Support for -fopenmp-simd option with compilation of simd loopsAlexey Bataev2017-12-291-0/+2
| | | | | | | | | only. Added support for -fopenmp-simd option that allows compilation of simd-based constructs without emission of OpenMP runtime calls. llvm-svn: 321560
* [OPENMP] Fix DSA processing for member declaration.Alexey Bataev2017-07-201-2/+2
| | | | | | | | If the member declaration is captured in the OMPCapturedExprDecl, we may loose data-sharing attribute info for this declaration. Patch fixes this bug. llvm-svn: 308629
* Revert "[OPENMP] Allow skip expression after comma in clauses with lists."Alexey Bataev2016-04-011-2/+2
| | | | | | | This reverts commit http://reviews.llvm.org/rL265003. After some thoughts decided to emit errors here. llvm-svn: 265119
* [OPENMP] Allow skip expression after comma in clauses with lists.Alexey Bataev2016-03-311-2/+2
| | | | | | Compatibility fix for better compatibility with the existing software. llvm-svn: 265003
* Allow static local variables specified on data-sharing attribute clauses.Kelvin Li2015-09-151-0/+5
| | | | | | http://reviews.llvm.org/D11619 llvm-svn: 247715
* [OPENMP 4.1] Allow variables with reference types in private clauses.Alexey Bataev2015-08-181-4/+4
| | | | | | OpenMP 4.1 allows to use variables with reference types in all private clauses (private, firstprivate, lastprivate, linear etc.). Patch allows to use such variables and fixes codegen for linear variables with reference types. llvm-svn: 245268
* [OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492)Alexey Bataev2015-05-201-1/+1
| | | | | | | -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
* [OPENMP] Fix for checking of data-sharing attributes for canonical var decls ↵Alexey Bataev2015-04-161-1/+9
| | | | | | | | | | | only. Currently checks for active data-sharing attributes for variables are performed for found var decls. Instead these checks must be performed for canonical decls of these variables to avoid possible troubles with with the differently qualified re-declarations of the same variable, for example: namespace A { int x; } namespace B { using A::x; } Both A::x and B::x actually reference the same object A::x and this fact must be taken into account during data-sharing attributes analysis. llvm-svn: 235096
* [OPENMP] Codegen for 'lastprivate' clause in 'for' directive.Alexey Bataev2015-04-161-15/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | #pragma omp for lastprivate(<var>) for (i = a; i < b; ++b) <BODY>; This construct is translated into something like: <last_iter> = alloca i32 <lastprivate_var> = alloca <type> <last_iter> = 0 ; No initializer for simple variables or a default constructor is called for objects. ; For arrays perform element by element initialization by the call of the default constructor. ... OMP_FOR_START(...,<last_iter>, ..); sets <last_iter> to 1 if this is the last iteration. <BODY> ... OMP_FOR_END if (<last_iter> != 0) { <var> = <lastprivate_var> ; Update original variable with the lastprivate value. } call __kmpc_cancel_barrier() ; an implicit barrier to avoid possible data race. Differential Revision: http://reviews.llvm.org/D8658 llvm-svn: 235074
* [OPENMP] Initial support for 'sections' directive.Alexey Bataev2014-06-251-0/+309
llvm-svn: 211685
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