[PATCH] D140530: [RISCV] Add integer scalar instructions to isAssociativeAndCommutative

[Hsiangkai Wang via Phabricator via llvm-commits]

HsiangKai created this revision.
HsiangKai added reviewers: craig.topper, kito-cheng, asb, luismarques.
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Inspired by D138107 <https://reviews.llvm.org/D138107>.

We can add ADD, AND, OR, XOR, MUL to isAssociativeAndCommutative to
increase instruction-level parallelism by the existing MachineCombiner
pass.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D140530

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
  llvm/test/CodeGen/RISCV/addc-adde-sube-subc.ll
  llvm/test/CodeGen/RISCV/addcarry.ll
  llvm/test/CodeGen/RISCV/addimm-mulimm.ll
  llvm/test/CodeGen/RISCV/alu64.ll
  llvm/test/CodeGen/RISCV/bswap-bitreverse.ll
  llvm/test/CodeGen/RISCV/calling-conv-ilp32-ilp32f-common.ll
  llvm/test/CodeGen/RISCV/calling-conv-ilp32-ilp32f-ilp32d-common.ll
  llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-lp64d-common.ll
  llvm/test/CodeGen/RISCV/copysign-casts.ll
  llvm/test/CodeGen/RISCV/div-by-constant.ll
  llvm/test/CodeGen/RISCV/div-pow2.ll
  llvm/test/CodeGen/RISCV/div.ll
  llvm/test/CodeGen/RISCV/fpclamptosat.ll
  llvm/test/CodeGen/RISCV/fpclamptosat_vec.ll
  llvm/test/CodeGen/RISCV/machine-combiner.ll
  llvm/test/CodeGen/RISCV/mul.ll
  llvm/test/CodeGen/RISCV/rv32zbb.ll
  llvm/test/CodeGen/RISCV/rv64zbb.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-elen.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-unaligned.ll
  llvm/test/CodeGen/RISCV/sadd_sat.ll
  llvm/test/CodeGen/RISCV/sadd_sat_plus.ll
  llvm/test/CodeGen/RISCV/select-binop-identity.ll
  llvm/test/CodeGen/RISCV/shadowcallstack.ll
  llvm/test/CodeGen/RISCV/split-udiv-by-constant.ll
  llvm/test/CodeGen/RISCV/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/RISCV/uadd_sat.ll
  llvm/test/CodeGen/RISCV/uadd_sat_plus.ll
  llvm/test/CodeGen/RISCV/umulo-128-legalisation-lowering.ll
  llvm/test/CodeGen/RISCV/unaligned-load-store.ll
  llvm/test/CodeGen/RISCV/urem-seteq-illegal-types.ll
  llvm/test/CodeGen/RISCV/vararg.ll
  llvm/test/CodeGen/RISCV/xaluo.ll

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