[all-commits] [llvm/llvm-project] c1e0fa: [DirectX] replace byte splitting via vector bitcas...

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c1e0faecfc47cc078014f4d64214f90c492b7db8
      https://github.com/llvm/llvm-project/commit/c1e0faecfc47cc078014f4d64214f90c492b7db8
  Author: Farzon Lotfi <farzonlotfi at microsoft.com>
  Date:   2025-06-04 (Wed, 04 Jun 2025)

  Changed paths:
    M llvm/lib/Target/DirectX/DXILLegalizePass.cpp
    A llvm/test/CodeGen/DirectX/legalize-i64-high-low-vec-split.ll

  Log Message:
  -----------
  [DirectX] replace byte splitting via vector bitcast with scalar (#140167)

instructions
- instead of bitcasting and extract element lets use trunc or trunc and
logical shift right to split.
- fixes #139020



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