[PATCH] D42191: [RFC] [TargetTransformInfo] Introduce isRegisterRich, it returns true if the target architecture is register-rich.

[Hongbin Zheng via Phabricator via llvm-commits]

etherzhhb updated this revision to Diff 130263.
etherzhhb added a comment.

Implement isRegisterRich based on getNumberOfRegisters, and introduce a threshold to tell when the number of registers if big enough to be considered as "register-rich". Also include the usage of the isRegisterRich function in GVNHoist


Repository:
  rL LLVM

https://reviews.llvm.org/D42191

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  include/llvm/Analysis/TargetTransformInfoImpl.h
  lib/Transforms/Scalar/GVNHoist.cpp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D42191.130263.patch
Type: text/x-patch
Size: 4500 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20180117/3b5f9d53/attachment.bin>