[all-commits] [llvm/llvm-project] 009fb5: [AArch64] Add patterns for combining qxtn+rshr to ...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 009fb567ceb9a8afea3c13b5eb943a1f15fdf3b5
      https://github.com/llvm/llvm-project/commit/009fb567ceb9a8afea3c13b5eb943a1f15fdf3b5
  Author: David Green <david.green at arm.com>
  Date:   2024-10-21 (Mon, 21 Oct 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    A llvm/test/CodeGen/AArch64/rqshrn.ll

  Log Message:
  -----------
  [AArch64] Add patterns for combining qxtn+rshr to qrshrn

Similar to bd861d0e690cfd05184d86, this adds some patterns for converting
signed and unsigned variants of rshr+qxtn to qrshrn.



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