[PATCH] D18830: [llvm] GVN.cpp: Do not swap when both LHS and RHS are arguments.

[Chandler Carruth via llvm-commits]

chandlerc added a comment.

Ok, so this is eliminating swaps. But these are just pointer swaps -- what is the motivation for eliminating them? What does that improve?


Repository:
  rL LLVM

http://reviews.llvm.org/D18830