[all-commits] [llvm/llvm-project] 05b0c7: [NFC][MacroFusion] Adding the assertion if someone...

[QingShan Zhang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 05b0c76aa76ebdd77cae6c13aacb0079d49b4350
      https://github.com/llvm/llvm-project/commit/05b0c76aa76ebdd77cae6c13aacb0079d49b4350
  Author: QingShan Zhang <qshanz at cn.ibm.com>
  Date:   2019-12-10 (Tue, 10 Dec 2019)

  Changed paths:
    M llvm/lib/CodeGen/MacroFusion.cpp

  Log Message:
  -----------
  [NFC][MacroFusion] Adding the assertion if someone want to fuse more than 2 instructions

As discussed in https://reviews.llvm.org/D69998, we miss to create some dependency edges
if chained more than 2 instructions. Adding an assertion here if someone want to chain
more than 2 instructions.

Differential Revision: https://reviews.llvm.org/D71180