[all-commits] [llvm/llvm-project] 594b92: [RISCV] Add Tune to DontSinkSplatOperands (#79199)

[Michael Maitland via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 594b92a7b987b839af10bd1035a816f233033826
      https://github.com/llvm/llvm-project/commit/594b92a7b987b839af10bd1035a816f233033826
  Author: Michael Maitland <michaeltmaitland at gmail.com>
  Date:   2024-01-25 (Thu, 25 Jan 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    A llvm/test/CodeGen/RISCV/rvv/dont-sink-splat-operands.ll

  Log Message:
  -----------
  [RISCV] Add Tune to DontSinkSplatOperands (#79199)

A CPU may prefer to not sink splat operands, one reason being that it
could require a S2V transfer buffer to move scalars into buffers.