[all-commits] [llvm/llvm-project] 3f42c6: [DirectX] Scalarize `extractelement` and `insertel...

[Deric C. via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3f42c6bddd2495710331c82ce117ee7d5a58856d
      https://github.com/llvm/llvm-project/commit/3f42c6bddd2495710331c82ce117ee7d5a58856d
  Author: Deric C. <cheung.deric at gmail.com>
  Date:   2025-06-20 (Fri, 20 Jun 2025)

  Changed paths:
    M llvm/lib/Target/DirectX/DXILDataScalarization.cpp
    A llvm/test/CodeGen/DirectX/scalarize-dynamic-vector-index.ll

  Log Message:
  -----------
  [DirectX] Scalarize `extractelement` and `insertelement` with dynamic indices (#141676)

Fixes #141136

- Implement `visitExtractElementInst` and `visitInsertElementInst` in
`DXILDataScalarizerVisitor` to scalarize `extractelement` and
`insertelement` instructions whose index operand is not a `ConstantInt`
by converting the vector to an array and then loading from the array
- Rename the `replaceVectorWithArray` helper function to
`equivalentArrayTypeFromVector`, relocate the function toward the top of
the file, and remove the unused `Ctx` parameter



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