[all-commits] [llvm/llvm-project] 6915c7: [RISCV] Don't use DCI.CombineTo to replace a singl...

[Craig Topper via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6915c76e103ae8acda09ed315fe5fcf039be1654
      https://github.com/llvm/llvm-project/commit/6915c76e103ae8acda09ed315fe5fcf039be1654
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2020-10-30 (Fri, 30 Oct 2020)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp

  Log Message:
  -----------
  [RISCV] Don't use DCI.CombineTo to replace a single result. NFCI

Just return the new node, which is the standard practice.

I also noticed what appeared to be an unnecessary attempt at
creating an ANY_EXTEND where the type should already be correct.
I replace with an assert to verify the type.

Differential Revision: https://reviews.llvm.org/D90444