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Summary

  1. [RISCV] Add intrinsics for vrgather instruction (details)
Commit 912740a864feeac37064844a8cb4743582aec558 by shihpo.hung
[RISCV] Add intrinsics for vrgather instruction

This patch defines vrgather intrinsics and lower to V instructions.

We work with @rogfer01 from BSC to come out this patch.

Authored-by: Roger Ferrer Ibanez <rofirrim@gmail.com>
Co-Authored-by: ShihPo Hung <shihpo.hung@sifive.com>

Differential revision: https://reviews.llvm.org/D93797
The file was addedllvm/test/CodeGen/RISCV/rvv/vrgather-rv64.ll
The file was addedllvm/test/CodeGen/RISCV/rvv/vrgather-rv32.ll
The file was modifiedllvm/include/llvm/IR/IntrinsicsRISCV.td
The file was modifiedllvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td