[PATCH] D18784: [PGO] Remove redundant VP runtime calls

[Mehdi AMINI via llvm-commits]

joker.eph added a comment.

If these are dead calls, why don't we constant fold them away to a no-op? 
Also do we want a separate pass or could/should it be part of ADCE?


Repository:
  rL LLVM

http://reviews.llvm.org/D18784