[PATCH] D153848: [RISCV] Apply promotion for f16 vector ops when only have zvfhmin.

[Jianjian Guan via Phabricator via llvm-commits]

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For most fp16 vector ops, we could promote it to fp32 vector when zvfhmin is enable but zvfh is not.
But for nxv32f16, we need to split it first since nxv32f32 is not a valid MVT.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153848

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ceil-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-floor-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fround.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-froundeven.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-fp-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-round-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundeven-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundtozero-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfabs-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfadd-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfdiv-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfma-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmax-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmax.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmin-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmin.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmul-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfneg-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfsqrt-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfsub-vp.ll
  llvm/test/CodeGen/RISCV/rvv/nearbyint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/rint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/round-vp.ll
  llvm/test/CodeGen/RISCV/rvv/roundeven-vp.ll
  llvm/test/CodeGen/RISCV/rvv/roundtozero-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vcopysign-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfabs-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfabs-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfadd-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfadd-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfcopysign-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfdiv-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfdiv-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfmadd-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfmax-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfmax-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfmin-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfmin-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfmul-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfmul-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfneg-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfneg-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfsqrt-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfsqrt-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vfsub-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfsub-vp.ll
  llvm/test/CodeGen/RISCV/rvv/vreductions-fp-vp.ll