[all-commits] [llvm/llvm-project] 4c43c1: [RISCV][GISEL] Add legalizer for G_BSWAP (#70226)

[Michael Maitland via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4c43c1eeef434cf0b98ee9094c776d118da1faeb
      https://github.com/llvm/llvm-project/commit/4c43c1eeef434cf0b98ee9094c776d118da1faeb
  Author: Michael Maitland <michaeltmaitland at gmail.com>
  Date:   2023-10-27 (Fri, 27 Oct 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
    A llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-bswap.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-bswap.mir

  Log Message:
  -----------
  [RISCV][GISEL] Add legalizer for G_BSWAP (#70226)

Lower G_BSWAP into simpler instructions that can be selected in
instruction selection. A future patch can handle when there is Zbb.