[PATCH] D74221: [TargetLowering] Add NegatibleKind enum for isNegatibleForFree return codes

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: xbolva00, arsenm, spatel, lebedev.ri.
Herald added subscribers: kerbowa, hiraditya, nhaehnle, wdng, jvesely.
Herald added a project: LLVM.

The isNegatibleForFree/getNegatedExpression methods currently rely on a raw char value to indicate whether a negation is beneficial or not.

This patch replaces the char return value with an NegatibleKind enum to more clearly demonstrate what is implied.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74221

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h

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