[all-commits] [llvm/llvm-project] 879e80: [RISCV] Apply promotion for f16 vector ops when on...

[Jianjian Guan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 879e801a916627fab9a90e2b51c9917b629c3392
      https://github.com/llvm/llvm-project/commit/879e801a916627fab9a90e2b51c9917b629c3392
  Author: Jianjian GUAN <jacquesguan at me.com>
  Date:   2023-08-23 (Wed, 23 Aug 2023)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ceil-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-floor-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fround.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-froundeven.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-i2fp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-fp-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-round-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundeven-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundtozero-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-sitofp-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-uitofp-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfabs-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfadd-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfdiv-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfma-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmax-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmax.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmin-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmin.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmul-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfneg-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfsqrt-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfsub-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/nearbyint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/rint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/round-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/roundeven-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/roundtozero-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vcopysign-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfabs-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfabs-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfadd-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfadd-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfcopysign-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfdiv-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfdiv-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmadd-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmax-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmax-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmin-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmin-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmul-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmul-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfneg-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfneg-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsqrt-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsqrt-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsub-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsub-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwadd-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwmacc-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwmacc-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwmsac-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwnmacc-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwnmsac-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vitofp-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vreductions-fp-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vsitofp-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vuitofp-vp.ll

  Log Message:
  -----------
  [RISCV] Apply promotion for f16 vector ops when only have zvfhmin

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.

Reviewed By: michaelmaitland

Differential Revision: https://reviews.llvm.org/D153848