[PATCH] D141033: [VP][RISCV] Add vp.abs and RISC-V support.

[Yeting Kuo via Phabricator via llvm-commits]

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RISC-V uses ISD::ABS lower method (abs x) -> (smax_vl x (sub_vl 0, x)) for ISD::VP_ABS.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141033

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/IR/Intrinsics.td
  llvm/include/llvm/IR/VPIntrinsics.def
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/rvv/abs-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-abs-vp.ll
  llvm/unittests/IR/VPIntrinsicTest.cpp

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