e86a42940a
This patch adds a few more mbarrier intrinsics, completing support for all the mbarrier variants up to Blackwell architecture. * Docs are updated in NVPTXUsage.rst. * lit tests are added for all the variants. * lit tests are verified with PTXAS from CUDA-12.8 toolkit. Signed-off-by: Durgadoss R <durgadossr@nvidia.com>
The LLVM Compiler Infrastructure
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