[all-commits] [llvm/llvm-project] b61144: [AArch64] Allow lowering of more types to GET_ACTI...

[Kerry McLaughlin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b61144bf77eedbcb209c0328e8867f693624aacc
      https://github.com/llvm/llvm-project/commit/b61144bf77eedbcb209c0328e8867f693624aacc
  Author: Kerry McLaughlin <kerry.mclaughlin at arm.com>
  Date:   2025-05-27 (Tue, 27 May 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll
    M llvm/test/CodeGen/AArch64/active_lane_mask.ll

  Log Message:
  -----------
  [AArch64] Allow lowering of more types to GET_ACTIVE_LANE_MASK (#140062)

Adds support for operand promotion and splitting/widening the result
of the ISD::GET_ACTIVE_LANE_MASK node.
For AArch64, shouldExpandGetActiveLaneMask now returns false for more
types which we know can be legalised.



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