[all-commits] [llvm/llvm-project] 4311b1: [LSR] Recognize vscale-relative immediates (#88124)

[Graham Hunter via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4311b14e9c14c10f774ff916435ec7720b568df9
      https://github.com/llvm/llvm-project/commit/4311b14e9c14c10f774ff916435ec7720b568df9
  Author: Graham Hunter <graham.hunter at arm.com>
  Date:   2024-07-01 (Mon, 01 Jul 2024)

  Changed paths:
    M llvm/include/llvm/Support/TypeSize.h
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    A llvm/test/Transforms/LoopStrengthReduce/AArch64/vscale-fixups.ll

  Log Message:
  -----------
  [LSR] Recognize vscale-relative immediates (#88124)

Extends LoopStrengthReduce to recognize immediates multiplied by vscale, and query the current target for whether they are legal offsets for memory operations or adds.



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