[PATCH] D95352: NFC: Migrate SimpleLoopUnswitch to work on InstructionCost

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen created this revision.
sdesmalen added reviewers: david-arm, lebedev.ri, ctetreau, dmgreen.
Herald added subscribers: dexonsmith, hiraditya.
sdesmalen requested review of this revision.
Herald added a project: LLVM.

This patch migrates cost values and arithmetic to work on InstructionCost.
When the interfaces to TargetTransformInfo are changed, any InstructionCost
state will propagate naturally.

See this patch for the introduction of the type: https://reviews.llvm.org/D91174
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2020-November/146408.html


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95352

Files:
  llvm/include/llvm/Support/InstructionCost.h
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp

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