[PATCH] D117518: [RISCV] Obey -riscv-v-fixed-length-vector-elen-max when lowering mask BUILD_VECTORs.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 17 15:21:40 PST 2022


craig.topper created this revision.
craig.topper added reviewers: frasercrmck, rogfer01, arcbbb, khchen, kito-cheng.
Herald added subscribers: VincentWu, luke957, achieveartificialintelligence, vkmr, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, edward-jones, zzheng, jrtc27, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya.
craig.topper requested review of this revision.
Herald added subscribers: alextsao1999, eopXD, MaskRay.
Herald added a project: LLVM.

We may not be allowed to use vXiXLen vectors. Consult ELEN to
determine what is allowed. This will become even more important
when Zve32 is added.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117518

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-mask-buildvec.ll

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