[MLIR][OpenMP] Introduce host_eval clause to omp.target #178
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skatrak
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TIFitis,
agozillon,
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This was referenced Oct 10, 2024
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Thank you for this PR, @skatrak. I have one nit in the code and 2-3 suggestions in the docs part of the PR. Of course, the suggestions for the docs are entirely subjective, so please take with a grain of salt. Otherwise, LGTM.
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Thanks for the review @bhandarkar-pranav, your comments should be addressed now. |
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This patch defines a map-like clause named `host_eval` used to capture host values for use inside of target regions on restricted cases: - As `num_teams` or `thread_limit` of a nested `omp.target` operation. - As `num_threads` of a nested `omp.parallel` operation or as bounds or steps of a nested `omp.loop_nest`, if it is a target SPMD kernel. This replaces the following `omp.target` arguments: `trip_count`, `num_threads`, `num_teams_lower`, `num_teams_upper` and `teams_thread_limit`.
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This patch defines a map-like clause named
host_evalused to capture host values for use inside of target regions on restricted cases:num_teamsorthread_limitof a nestedomp.targetoperation.num_threadsof a nestedomp.paralleloperation or as bounds or steps of a nestedomp.loop_nest, if it is a target SPMD kernel.This replaces the following
omp.targetarguments:trip_count,num_threads,num_teams_lower,num_teams_upperandteams_thread_limit.Since it's an entry block argument-generating clause, custom region parsers/printers and the
BlockArgOpenMPOpInterfaceare updated.