Johannes Doerfert 51bfbdce19 [OpenMP] Add match_{all,any,none} declare variant selector extensions. ... By default, all traits in the OpenMP context selector have to match for it to be acceptable. Though, we sometimes want a single property out of multiple to match (=any) or no match at all (=none). We offer these choices as extensions via `implementation={extension(match_{all,any,none})}` to the user. The choice will affect the entire context selector not only the traits following the match property. The first user will be D75788. There we can replace ``` #pragma omp begin declare variant match(device={arch(nvptx64)}) #define __CUDA__ #include <__clang_cuda_cmath.h> // TODO: Hack until we support an extension to the match clause that allows "or". #undef __CLANG_CUDA_CMATH_H__ #undef __CUDA__ #pragma omp end declare variant #pragma omp begin declare variant match(device={arch(nvptx)}) #define __CUDA__ #include <__clang_cuda_cmath.h> #undef __CUDA__ #pragma omp end declare variant ``` with the much simpler ``` #pragma omp begin declare variant match(device={arch(nvptx, nvptx64)}, implementation={extension(match_any)}) #define __CUDA__ #include <__clang_cuda_cmath.h> #undef __CUDA__ #pragma omp end declare variant ``` Reviewed By: mikerice Differential Revision: https://reviews.llvm.org/D77414		2020-04-07 23:33:24 -05:00
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OpenMP	[OpenMP] Add match_{all,any,none} declare variant selector extensions.	2020-04-07 23:33:24 -05:00
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