[all-commits] [llvm/llvm-project] 15f66c: [RISCV] Add isel patterns to optimize slli.uw patt...

[Craig Topper via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 15f66cf749695ba3bce44a38d29d59a4383b11cf
      https://github.com/llvm/llvm-project/commit/15f66cf749695ba3bce44a38d29d59a4383b11cf
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2021-01-25 (Mon, 25 Jan 2021)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfo.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoB.td
    M llvm/test/CodeGen/RISCV/rv64Zba.ll

  Log Message:
  -----------
  [RISCV] Add isel patterns to optimize slli.uw patterns without Zba extension.

This pattern can occur when an unsigned is used to index an array
on RV64.

Reviewed By: luismarques

Differential Revision: https://reviews.llvm.org/D95290