[all-commits] [llvm/llvm-project] 9e37da: [mlir][OpenMP] Convert reduction alloc region to L...

[Tom Eccles via All-commits]

  Branch: refs/heads/users/tblah/separate-init-alloc_2
  Home:   https://github.com/llvm/llvm-project
  Commit: 9e37da3b2eaace309d3b68fa36384430b5dc97cd
      https://github.com/llvm/llvm-project/commit/9e37da3b2eaace309d3b68fa36384430b5dc97cd
  Author: Tom Eccles <tom.eccles at arm.com>
  Date:   2024-08-22 (Thu, 22 Aug 2024)

  Changed paths:
    M mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
    M mlir/test/Target/LLVMIR/openmp-private.mlir
    M mlir/test/Target/LLVMIR/openmp-reduction-array-sections.mlir
    M mlir/test/Target/LLVMIR/openmp-reduction-byref.mlir

  Log Message:
  -----------
  [mlir][OpenMP] Convert reduction alloc region to LLVMIR

The intention of this change is to ensure that allocas end up in the
entry block not spread out amongst complex reduction variable
initialization code.

The tests we have are quite minimized for readability and
maintainability, making the benefits less obvious. The use case for this
is when there are multiple reduction variables each will multiple blocks
inside of the init region for that reduction.



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