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* [OPENMP] Codegen for 'firstprivate' clause.Alexey Bataev2014-10-081-14/+14
| | | | | | | | This patch generates some helper variables that used as private copies of the corresponding original variables inside an OpenMP 'parallel' directive. These generated variables are initialized by copy using values of the original variables (with the copy constructor, if any). For arrays, initializator is generated for single element and in the codegen procedure this initial value is automatically propagated between all elements of the private copy. In outlined function, references to original variables are replaced by the references to these private helper variables. At the end of the initialization of the private variables an implicit barier is generated by calling __kmpc_barrier(...) runtime function to be sure that all threads were initialized using original values of the variables. Differential Revision: http://reviews.llvm.org/D5140 llvm-svn: 219306
* Revert commit r219297.Alexey Bataev2014-10-081-14/+14
| | | | | | Still troubles with OpenMP/parallel_firstprivate_codegen.cpp (now in ARM buildbots). llvm-svn: 219298
* [OPENMP] Codegen for 'firstprivate' clause.Alexey Bataev2014-10-081-14/+14
| | | | | | | | This patch generates some helper variables that used as private copies of the corresponding original variables inside an OpenMP 'parallel' directive. These generated variables are initialized by copy using values of the original variables (with the copy constructor, if any). For arrays, initializator is generated for single element and in the codegen procedure this initial value is automatically propagated between all elements of the private copy. In outlined function, references to original variables are replaced by the references to these private helper variables. At the end of the initialization of the private variables an implicit barier is generated by calling __kmpc_barrier(...) runtime function to be sure that all threads were initialized using original values of the variables. Differential Revision: http://reviews.llvm.org/D5140 llvm-svn: 219297
* Revert back r219295.Alexey Bataev2014-10-081-14/+14
| | | | | | To fix issues with test OpenMP/parallel_firstprivate_codegen.cpp llvm-svn: 219296
* [OPENMP] Codegen for 'firstprivate' clause.Alexey Bataev2014-10-081-14/+14
| | | | | | | | This patch generates some helper variables that used as private copies of the corresponding original variables inside an OpenMP 'parallel' directive. These generated variables are initialized by copy using values of the original variables (with the copy constructor, if any). For arrays, initializator is generated for single element and in the codegen procedure this initial value is automatically propagated between all elements of the private copy. In outlined function, references to original variables are replaced by the references to these private helper variables. At the end of the initialization of the private variables an implicit barier is generated by calling __kmpc_barrier(...) runtime function to be sure that all threads were initialized using original values of the variables. Differential Revision: http://reviews.llvm.org/D5140 llvm-svn: 219295
* [OPENMP] Parsing and sema analysis for 'omp parallel sections' directive.Alexey Bataev2014-07-081-0/+295
llvm-svn: 212516
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