[all-commits] [llvm/llvm-project] cb3f32: [RISCV] Add cost model coverage for integer bitman...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cb3f32a20d7091900a115ded426a8ae493dad4df
      https://github.com/llvm/llvm-project/commit/cb3f32a20d7091900a115ded426a8ae493dad4df
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2022-08-24 (Wed, 24 Aug 2022)

  Changed paths:
    A llvm/test/Analysis/CostModel/RISCV/integer-bit-manip.ll

  Log Message:
  -----------
  [RISCV] Add cost model coverage for integer bitmanip intrinsics


  Commit: d4d6e71ea20bfdc22f57522bb118f04ecf08ef38
      https://github.com/llvm/llvm-project/commit/d4d6e71ea20bfdc22f57522bb118f04ecf08ef38
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2022-08-24 (Wed, 24 Aug 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/RISCV/integer-bit-manip.ll

  Log Message:
  -----------
  [RISCV] Add empirical costs for bswap/bitreverse/ctpop/ctlz/cttz

If anyone is looking for a source of ideas on vector codegen improvements, the lowerings for several of these seem to include pretty obvious fixits.


Compare: https://github.com/llvm/llvm-project/compare/bbf19a6745d5...d4d6e71ea20b