[PATCH] D19955: [MBB] Let MachineBasicBlock::updateTerminator() return if it updates the terminator or not. NFC.

[Haicheng Wu via llvm-commits]

haicheng added a comment.

This is part of my effort of enabling tail merging in mbp.  I am going to use the return value to decide if I need to call the tail merging.


Repository:
  rL LLVM

http://reviews.llvm.org/D19955