[mlir] Use std::nullopt instead of None in comments (NFC)
authorKazu Hirata <kazu@google.com>
Mon, 5 Dec 2022 01:23:50 +0000 (17:23 -0800)
committerKazu Hirata <kazu@google.com>
Mon, 5 Dec 2022 01:23:50 +0000 (17:23 -0800)
commit70c73d1b7274bcff2bfb2e688fe7eabbf2fbf889
treed274b5269b97b881ffe7835b546cb2962334fab6
parent3c09ed006ab35dd8faac03311b14f0857b01949c
[mlir] 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
47 files changed:
mlir/include/mlir/Conversion/MemRefToSPIRV/MemRefToSPIRV.h
mlir/include/mlir/Dialect/Affine/Analysis/Utils.h
mlir/include/mlir/Dialect/Linalg/Analysis/DependenceAnalysis.h
mlir/include/mlir/Dialect/MemRef/IR/MemRef.h
mlir/include/mlir/Dialect/SCF/IR/SCFOps.td
mlir/include/mlir/Dialect/SPIRV/IR/TargetAndABI.h
mlir/include/mlir/Dialect/Utils/IndexingUtils.h
mlir/include/mlir/Dialect/Utils/ReshapeOpsUtils.h
mlir/include/mlir/IR/BuiltinAttributeInterfaces.td
mlir/include/mlir/IR/BuiltinAttributes.h
mlir/include/mlir/IR/BuiltinAttributes.td
mlir/include/mlir/IR/BuiltinTypes.h
mlir/include/mlir/IR/Operation.h
mlir/include/mlir/IR/OperationSupport.h
mlir/include/mlir/IR/PatternMatch.h
mlir/include/mlir/IR/SymbolTable.h
mlir/include/mlir/TableGen/CodeGenHelpers.h
mlir/include/mlir/TableGen/Type.h
mlir/include/mlir/Tools/PDLL/AST/Nodes.h
mlir/include/mlir/Transforms/DialectConversion.h
mlir/lib/Analysis/Presburger/Simplex.cpp
mlir/lib/AsmParser/AttributeParser.cpp
mlir/lib/AsmParser/Token.cpp
mlir/lib/AsmParser/Token.h
mlir/lib/Conversion/MemRefToSPIRV/MemRefToSPIRV.cpp
mlir/lib/Dialect/Affine/Analysis/Utils.cpp
mlir/lib/Dialect/Arith/IR/InferIntRangeInterfaceImpls.cpp
mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp
mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
mlir/lib/Dialect/SCF/IR/SCF.cpp
mlir/lib/Dialect/SCF/Transforms/StructuralTypeConversions.cpp
mlir/lib/Dialect/SPIRV/Transforms/UnifyAliasedResourcePass.cpp
mlir/lib/Dialect/SparseTensor/Transforms/SparseTensorCodegen.cpp
mlir/lib/Dialect/Traits.cpp
mlir/lib/Dialect/Vector/Transforms/VectorUnroll.cpp
mlir/lib/IR/BuiltinAttributes.cpp
mlir/lib/IR/BuiltinTypes.cpp
mlir/lib/IR/SymbolTable.cpp
mlir/lib/TableGen/CodeGenHelpers.cpp
mlir/lib/TableGen/Type.cpp
mlir/lib/Tools/lsp-server-support/SourceMgrUtils.h
mlir/lib/Tools/lsp-server-support/Transport.cpp
mlir/lib/Tools/mlir-lsp-server/MLIRServer.cpp
mlir/tools/mlir-tblgen/DialectGenUtilities.h
mlir/tools/mlir-tblgen/EnumsGen.cpp
mlir/tools/mlir-tblgen/OpFormatGen.cpp
mlir/unittests/Analysis/Presburger/IntegerPolyhedronTest.cpp