[all-commits] [llvm/llvm-project] 116177: [RISCV] Use SRLIWPat in the PACKUW pattern.

[Craig Topper via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 116177afcce88d807c1beffcb9221999ad8a69a9
      https://github.com/llvm/llvm-project/commit/116177afcce88d807c1beffcb9221999ad8a69a9
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2021-01-24 (Sun, 24 Jan 2021)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfoB.td

  Log Message:
  -----------
  [RISCV] Use SRLIWPat in the PACKUW pattern.

This makes the code more tolerant if we ever change SimplifyDemandedBits
to not remove 1s from the lsbs of a contiguous mask.