[all-commits] [llvm/llvm-project] 95697d: [RISCV] Make all vector binops use the _TU pseudo ...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95697deff30e678ca4c825e4b50653b357ea6214
      https://github.com/llvm/llvm-project/commit/95697deff30e678ca4c825e4b50653b357ea6214
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
    M llvm/test/CodeGen/RISCV/rvv/bitreverse-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/bswap-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/calling-conv-fastcc.ll
    M llvm/test/CodeGen/RISCV/rvv/cttz-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/stepvector.ll
    M llvm/test/CodeGen/RISCV/rvv/vector-interleave.ll
    M llvm/test/CodeGen/RISCV/rvv/vreductions-fp-sdnode.ll

  Log Message:
  -----------
  [RISCV] Make all vector binops use the _TU pseudo form

This continues towards the goal spelled out in https://discourse.llvm.org/t/riscv-transition-in-vector-pseudo-structure-policy-variants/71295. This patch switches all the binary operations (no widen, no narrow, but both int and FP) to use the _TU + implicit_def passthrough form.  Change is mechanical.

This only changes the unmasked variants. Masked variants will still go through doPeepholeMaskedRVV and end up in the unsuffixed/TA form. Fixing that will be a separate change.

Differential Revision: https://reviews.llvm.org/D152940