caio/clang-p2996
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clang-p2996/clang/lib/CodeGen/CGOpenMPRuntime.cpp
Alexey Bataev c3028cac24 [OPENMP][NVPTX]Mark __kmpc_barrier functions as convergent. 
__kmpc_barrier runtime functions must be marked as convergent to prevent
some dangerous optimizations. Also, for NVPTX target all barriers must
be emitted as simple barriers.

llvm-svn: 348271
2018-12-04 15:03:25 +00:00

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