[PATCH] D152553: [RISCV] Use tail undisturbed vmv.v.v instead of vadd.vi with 0 for vp.merge with all ones mask.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: luke, reames, frasercrmck, fakepaper56.
Herald added subscribers: jobnoorman, VincentWu, vkmr, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya, arichardson.
Herald added a project: All.
craig.topper requested review of this revision.
Herald added subscribers: pcwang-thead, eopXD, MaskRay.
Herald added a project: LLVM.

No idea what I was thinking when I suggested vadd.vi.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152553

Files:
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
  llvm/test/CodeGen/RISCV/rvv/rvv-vmerge-to-vadd.ll

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