[all-commits] [llvm/llvm-project] 336428: [AArch64][GlobalISel] Select SHL({Z|S}EXT, DUP Imm...

[chuongg3 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3364284d87035eaac9662d345d4ddee2714f8fd7
      https://github.com/llvm/llvm-project/commit/3364284d87035eaac9662d345d4ddee2714f8fd7
  Author: chuongg3 <chuong.goh at arm.com>
  Date:   2024-08-05 (Mon, 05 Aug 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrFormats.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/test/CodeGen/AArch64/neon-shift-left-long.ll

  Log Message:
  -----------
  [AArch64][GlobalISel] Select SHL({Z|S}EXT, DUP Imm) into {U|S}HLL Imm (#96782)

First commit's PR is #96780

Combines the following instructions:
`ushll r0, r0, #0`
`shl r0, r0, #3`

Into:
`ushll r0, r0, #3`



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