[all-commits] [llvm/llvm-project] c11c2f: [NVPTX] Lower i1 select with logical ops in the ge...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c11c2fe1ae2fe7b88135c51c32a66d0e30fe5431
      https://github.com/llvm/llvm-project/commit/c11c2fe1ae2fe7b88135c51c32a66d0e30fe5431
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2025-04-16 (Wed, 16 Apr 2025)

  Changed paths:
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.h
    M llvm/test/CodeGen/NVPTX/bug22246.ll
    A llvm/test/CodeGen/NVPTX/i1-select.ll
    M llvm/test/CodeGen/NVPTX/i128.ll

  Log Message:
  -----------
  [NVPTX] Lower i1 select with logical ops in the general case (#135868)

Update i1 select lowering to use an expansion based on logical ops,
unless the selected operands are truncations. This can improve generated
code quality by exposing additional potential optimizations.



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