[PATCH] D64197: [HardwareLoops] NFC - move hardware loop checking code to isHardwareLoopProfitable()

[ChenZheng via Phabricator via llvm-commits]

shchenz created this revision.
shchenz added reviewers: hfinkel, samparker, jsji, nemanjai, qshanz.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

Move more hardware checking codes into `isHardwareLoopProfitable()`:
1: a more accurate result about hardware loop converting for target hook `canSaveCmp()` (Currently only used in PowerPC)
2: counter `NumHWLoops` is also more accurate.

This is a NFC patch.


https://reviews.llvm.org/D64197

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/CodeGen/HardwareLoops.cpp

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