[PATCH] D142953: [RISCV] Don't use constantpool for floating-point value if the value can be easily constructed by integer sequence and a floating-point move.

[Han-Kuan Chen via Phabricator via llvm-commits]

HanKuanChen created this revision.
HanKuanChen added reviewers: craig.topper, frasercrmck, kito-cheng.
Herald added subscribers: luke, VincentWu, vkmr, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, shiva0217, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya, arichardson.
Herald added a project: All.
HanKuanChen requested review of this revision.
Herald added subscribers: llvm-commits, pcwang-thead, eopXD, MaskRay.
Herald added a project: LLVM.

In addition, this commit does the following combine

vfmv.v.f + fmv.[dhw].x -> vmv.v.x
vfmv.s.f + fmv.[dhw].x -> vmv.s.x
vfmerge.vfm + fmv.[dhw].x -> vmerge.vxm


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142953

Files:
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
  llvm/test/CodeGen/RISCV/calling-conv-half.ll
  llvm/test/CodeGen/RISCV/calling-conv-ilp32f-ilp32d-common.ll
  llvm/test/CodeGen/RISCV/codemodel-lowering.ll
  llvm/test/CodeGen/RISCV/float-convert.ll
  llvm/test/CodeGen/RISCV/float-imm.ll
  llvm/test/CodeGen/RISCV/float-intrinsics.ll
  llvm/test/CodeGen/RISCV/float-round-conv-sat.ll
  llvm/test/CodeGen/RISCV/float-round-conv.ll
  llvm/test/CodeGen/RISCV/float-select-verify.ll
  llvm/test/CodeGen/RISCV/fp-imm.ll
  llvm/test/CodeGen/RISCV/half-convert.ll
  llvm/test/CodeGen/RISCV/half-imm.ll
  llvm/test/CodeGen/RISCV/half-intrinsics.ll
  llvm/test/CodeGen/RISCV/half-round-conv-sat.ll
  llvm/test/CodeGen/RISCV/half-round-conv.ll
  llvm/test/CodeGen/RISCV/rvv/ceil-vp.ll
  llvm/test/CodeGen/RISCV/rvv/extractelt-fp.ll
  llvm/test/CodeGen/RISCV/rvv/fceil-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/ffloor-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ceil-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-extract.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-floor-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp-buildvec.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fround.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-froundeven.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-nearbyint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-fp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-rint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-round-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundeven-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundtozero-vp.ll
  llvm/test/CodeGen/RISCV/rvv/float-round-conv.ll
  llvm/test/CodeGen/RISCV/rvv/floor-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fround-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/froundeven-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/ftrunc-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/nearbyint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/rint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/round-vp.ll
  llvm/test/CodeGen/RISCV/rvv/roundeven-vp.ll
  llvm/test/CodeGen/RISCV/rvv/roundtozero-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vreductions-fp-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vsetvli-insert-crossbb.ll
  llvm/test/CodeGen/RISCV/select-const.ll
  llvm/test/CodeGen/RISCV/select-optimize-multiple.ll
  llvm/test/CodeGen/RISCV/zfh-imm.ll
  llvm/test/CodeGen/RISCV/zfhmin-imm.ll

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