[PATCH] D12345: [Reassociate]: Add intermediate subtract instructions created while negating to be redone later for more reassociate opportunities

[David Majnemer via llvm-commits]

majnemer added a comment.

This approach looks reasonable to me but I'd appreciate it if @dberlin or @chandlerc could take a look.


Repository:
  rL LLVM

http://reviews.llvm.org/D12345