[PATCH] D15649: AMDGPU: Implement getMemoryOpCost

[Matt Arsenault via llvm-commits]

arsenm added a comment.

In http://reviews.llvm.org/D15649#314036, @nhaehnle wrote:

> Out of curiosity, what is the meaning underlying these cost numbers? Something like cycles?


See the comment on TargetCostConstants in TargetTransformInfo.h


http://reviews.llvm.org/D15649