[all-commits] [llvm/llvm-project] 8a7cbe: [llvm] Use std::nullopt instead of None in comment...

[kazutakahirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8a7cbea525ceb4bd67e8fe097bf071c449a8e525
      https://github.com/llvm/llvm-project/commit/8a7cbea525ceb4bd67e8fe097bf071c449a8e525
  Author: Kazu Hirata <kazu at google.com>
  Date:   2022-12-08 (Thu, 08 Dec 2022)

  Changed paths:
    M llvm/include/llvm/Analysis/InlineCost.h
    M llvm/include/llvm/Analysis/LoopCacheAnalysis.h
    M llvm/include/llvm/Analysis/LoopInfo.h
    M llvm/include/llvm/Analysis/ScalarEvolution.h
    M llvm/include/llvm/BinaryFormat/Dwarf.h
    M llvm/include/llvm/IR/GlobalValue.h
    M llvm/include/llvm/IR/Instructions.h
    M llvm/include/llvm/Support/CheckedArithmetic.h
    M llvm/include/llvm/Support/Threading.h
    M llvm/include/llvm/Transforms/IPO/Attributor.h
    M llvm/include/llvm/Transforms/Utils/LoopUtils.h
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUMachineModuleInfo.h
    M llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp
    M llvm/lib/Target/SPIRV/SPIRVBuiltins.h
    M llvm/lib/Transforms/Scalar/GVNSink.cpp
    M llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp

  Log Message:
  -----------
  [llvm] Use std::nullopt instead of None in comments (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716