[all-commits] [llvm/llvm-project] d24eae: [RISCV] Sink vector select splat operands (#91554)

[Luke Lau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d24eaef92525d03b4b64c7b4acd07197bdfb57cc
      https://github.com/llvm/llvm-project/commit/d24eaef92525d03b4b64c7b4acd07197bdfb57cc
  Author: Luke Lau <luke at igalia.com>
  Date:   2024-05-10 (Fri, 10 May 2024)

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

  Log Message:
  -----------
  [RISCV] Sink vector select splat operands (#91554)

vmerge.vxm allows us to splat the true operand of a select, so sink it
where possible to reduce vector register pressure.



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