[Flang][OpenMP] Update DO CONCURRENT conversion for the device #136
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skatrak
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This was referenced Aug 7, 2024
This patch removes the `LoopWrapperInterface` from `omp.parallel` and updates the semantics of the interface to make loop wrapper restrictions mandatory to operations that have it, rather than a role they might optionally take. MLIR operation verifiers are updated to expect the "hoisted omp.parallel" representation for `distribute parallel do`, to be later implemented in place of a loop wrapper `omp.parallel`.
This patch updates the Flang lowering process for `distribute parallel do` to follow the "hoisted `omp.parallel`" representation. Now temporary allocations produced while lowering the loop body reside inside of that operation instead of the loop wrappers' parent region. Special handling of `omp.parallel` with regards to alloca creation is removed, as it's no longer necessary to make this distinction. Impacted Lit tests are updated according to the new representation.
This patch makes changes to the `DoConcurrentConversion` pass to follow the "hoisted omp.parallel" representation when converting `do concurrent` constructs into `target teams distribute parallel do`.
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This patch makes changes to the
DoConcurrentConversionpass to follow the "hoisted omp.parallel" representation when convertingdo concurrentconstructs intotarget teams distribute parallel do.Complete PR stack: