[all-commits] [llvm/llvm-project] 75099c: [ConstantFolding] Fold scalable get_active_lane_ma...

[Matthew Devereau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 75099c224632b7e424e2c59e3fdee980c1483348
      https://github.com/llvm/llvm-project/commit/75099c224632b7e424e2c59e3fdee980c1483348
  Author: Matthew Devereau <matthew.devereau at arm.com>
  Date:   2025-09-11 (Thu, 11 Sep 2025)

  Changed paths:
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/test/Transforms/InstSimplify/ConstProp/active-lane-mask.ll

  Log Message:
  -----------
  [ConstantFolding] Fold scalable get_active_lane_masks (#156659)

Scalable get_active_lane_mask intrinsics with a range of 0 can be
lowered to zeroinitializer. This helps remove no-op scalable masked
stores and loads.



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