[all-commits] [llvm/llvm-project] bffc2a: [flang][OpenMP] Translate OpenMP scopes when compi...

[Kareem Ergawy via All-commits]

  Branch: refs/heads/users/ergawy/try_to_fix_nested_target_conversion_2
  Home:   https://github.com/llvm/llvm-project
  Commit: bffc2aa5eceb1995b787e3a1d4ec329198252e2e
      https://github.com/llvm/llvm-project/commit/bffc2aa5eceb1995b787e3a1d4ec329198252e2e
  Author: ergawy <kareem.ergawy at amd.com>
  Date:   2025-03-07 (Fri, 07 Mar 2025)

  Changed paths:
    M mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
    A mlir/test/Target/LLVMIR/openmp-target-nesting-in-host-ops.mlir

  Log Message:
  -----------
  [flang][OpenMP] Translate OpenMP scopes when compiling for target device

If a `target` directive is nested in a host OpenMP directive (e.g.
parallel, task, or a worksharing loop), flang currently crashes if the
target directive-related MLIR ops (e.g. `omp.map.bounds` and
`omp.map.info` depends on SSA values defined inside the parent host
OpenMP directives/ops.

This PR tries to solve this problem by treating these parent OpenMP ops
as "SSA scopes". Whenever we are translating for the device, instead of
completely translating host ops, we just tranlate their MLIR ops as pure
SSA values.



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