[PATCH] D106574: [SelectionDAG][RISCV] Add tests showing missed scalable-splat optimizations
Fraser Cormack via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 22 10:19:26 PDT 2021
frasercrmck created this revision.
frasercrmck added reviewers: craig.topper, HsiangKai, rogfer01, evandro, khchen.
Herald added subscribers: vkmr, ecnelises, luismarques, apazos, sameer.abuasal, pengfei, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, simoncook, johnrusso, rbar, asb.
frasercrmck requested review of this revision.
Herald added subscribers: llvm-commits, MaskRay.
Herald added a project: LLVM.
These tests show missed opportunities in the SelectionDAG layer when
dealing with scalable-vector splats. All of these are handled for the
equivalent `ISD::BUILD_VECTOR` code, and the tests have largely been
translated from the equivalent X86 tests.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D106574
Files:
llvm/test/CodeGen/RISCV/rvv/combine-splats.ll
llvm/test/CodeGen/RISCV/rvv/urem-seteq-vec.ll
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