[all-commits] [llvm/llvm-project] 601882: [NVPTX] Fix lowering of i1 SETCC (#115035)

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6018820c48322ee9db4971efa9b048f16521d753
      https://github.com/llvm/llvm-project/commit/6018820c48322ee9db4971efa9b048f16521d753
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2024-12-05 (Thu, 05 Dec 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
    A llvm/test/CodeGen/NVPTX/i1-icmp.ll

  Log Message:
  -----------
  [NVPTX] Fix lowering of i1 SETCC (#115035)

Add DAG legalization support for expanding i1 SETCC nodes using
appropriate logical operations to simulate integer comparisons. Use
these expansions to handle i1 SETCC in NVPTX.

fixes #58428 and #57405



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