[all-commits] [llvm/llvm-project] 25c077: [OpenACC][CIR] Implement 'private' clause lowering...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 25c07763f76700fdfe8fa568ae2b1e36bc8a7e84
      https://github.com/llvm/llvm-project/commit/25c07763f76700fdfe8fa568ae2b1e36bc8a7e84
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2025-08-01 (Fri, 01 Aug 2025)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenDecl.cpp
    M clang/lib/CIR/CodeGen/CIRGenFunction.h
    M clang/lib/CIR/CodeGen/CIRGenOpenACC.cpp
    M clang/lib/CIR/CodeGen/CIRGenOpenACCClause.cpp
    A clang/test/CIR/CodeGenOpenACC/combined-private-clause.cpp
    A clang/test/CIR/CodeGenOpenACC/compute-private-clause.cpp
    A clang/test/CIR/CodeGenOpenACC/loop-private-clause.cpp
    M clang/test/CIR/CodeGenOpenACC/openacc-not-implemented.cpp
    M mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
    M mlir/lib/Dialect/OpenACC/IR/OpenACC.cpp

  Log Message:
  -----------
  [OpenACC][CIR] Implement 'private' clause lowering. (#151360)

The private clause is the first with 'recipes', so a lot of
infrastructure is included here, including some MLIR dialect changes
that allow simple adding of a privatization. We'll likely get similar
for firstprivate and reduction.

Also, we have quite a bit of infrastructure in clause lowering to make
sure we have most cases we could think of covered.

At the moment, ONLY private is implemented, so all it requires is an
'init' segment (that doesn't call any copy operations), and potentially
a 'destroy' segment. However, actually calling 'init' functions on each
of the elements in them are not properly implemented, and will be in a
followup patch.

This patch implements all of that, and adds tests in a way that will be
useful for firstprivate as well.



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