[all-commits] [llvm/llvm-project] 6dd54d: [OpenMP][mlir] Lowering for omp.atomic.update

[Shraiysh via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6dd54da5a51db6ec674d69366ab883b3057c73a6
      https://github.com/llvm/llvm-project/commit/6dd54da5a51db6ec674d69366ab883b3057c73a6
  Author: Shraiysh Vaishay <Shraiysh.Vaishay at amd.com>
  Date:   2022-03-10 (Thu, 10 Mar 2022)

  Changed paths:
    M llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
    M mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
    M mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
    M mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
    M mlir/test/Dialect/OpenMP/invalid.mlir
    A mlir/test/Target/LLVMIR/openmp-llvm-invalid.mlir
    M mlir/test/Target/LLVMIR/openmp-llvm.mlir

  Log Message:
  -----------
  [OpenMP][mlir] Lowering for omp.atomic.update

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

Reviewed By: ftynse, peixin

Differential Revision: https://reviews.llvm.org/D119657