[PATCH] D119657: [OpenMP][mlir] Lowering for omp.atomic.update

[Shraiysh via Phabricator via llvm-commits]

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This patch adds lowering from omp.atomic.update to LLVM IR. Whenever a
special LLVM IR instruction is available for the operation, `atomicrmw`
instruction is emitted, otherwise a compare-exchange loop based update
is emitted.

Depends on D119522 <https://reviews.llvm.org/D119522>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D119657

Files:
  llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
  mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
  mlir/test/Target/LLVMIR/openmp-llvm.mlir

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