[all-commits] [llvm/llvm-project] e305b1: [RISCV] Pre-process integer ISD::SPLAT_VECTOR to R...

Craig Topper via All-commits all-commits at lists.llvm.org
Wed Feb 9 08:10:37 PST 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e305b1de7ebdc6b7f701cae01e6d2615357cda5a
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-02-09 (Wed, 09 Feb 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td

  Log Message:
  [RISCV] Pre-process integer ISD::SPLAT_VECTOR to RISCISD::VMV_V_X_VL before isel.

This allows us to remove some isel patterns that exist for both
operations. Saving nearly 3000 bytes from the isel table.

Reviewed By: frasercrmck

Differential Revision: https://reviews.llvm.org/D119197

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