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[mlir][examples] Use {} instead of std::nullopt (NFC) (#146949)

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This patch fixes deprecation warnings like:

  mlir/include/mlir/IR/TypeRange.h:51:19: error: 'ArrayRef' is
  deprecated: Use {} or ArrayRef<T>() instead
  [-Werror,-Wdeprecated-declarations]
This commit is contained in:
Kazu Hirata 2025-07-03 15:49:43 -07:00 committed by GitHub
parent 2910c24638
commit 96f7f22825
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GPG Key ID: B5690EEEBB952194
6 changed files with 8 additions and 8 deletions
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2
mlir/examples/toy/Ch2/mlir/MLIRGen.cpp
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@ -120,7 +120,7 @@ private:
// Arguments type are uniformly unranked tensors. // Arguments type are uniformly unranked tensors.
llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(), llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(),
getType(VarType{})); getType(VarType{}));
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, {});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }

2
mlir/examples/toy/Ch3/mlir/MLIRGen.cpp
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@ -120,7 +120,7 @@ private:
// Arguments type are uniformly unranked tensors. // Arguments type are uniformly unranked tensors.
llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(), llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(),
getType(VarType{})); getType(VarType{}));
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, /*results=*/{});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }

2
mlir/examples/toy/Ch4/mlir/MLIRGen.cpp
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@ -120,7 +120,7 @@ private:
// Arguments type are uniformly unranked tensors. // Arguments type are uniformly unranked tensors.
llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(), llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(),
getType(VarType{})); getType(VarType{}));
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, /*results=*/{});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }

2
mlir/examples/toy/Ch5/mlir/MLIRGen.cpp
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@ -120,7 +120,7 @@ private:
// Arguments type are uniformly unranked tensors. // Arguments type are uniformly unranked tensors.
llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(), llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(),
getType(VarType{})); getType(VarType{}));
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, /*results=*/{});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }

2
mlir/examples/toy/Ch6/mlir/MLIRGen.cpp
View File

@ -120,7 +120,7 @@ private:
// Arguments type are uniformly unranked tensors. // Arguments type are uniformly unranked tensors.
llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(), llvm::SmallVector<mlir::Type, 4> argTypes(proto.getArgs().size(),
getType(VarType{})); getType(VarType{}));
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, /*results=*/{});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }

6
mlir/examples/toy/Ch7/mlir/MLIRGen.cpp
View File

@ -182,7 +182,7 @@ private:
return nullptr; return nullptr;
argTypes.push_back(type); argTypes.push_back(type);
} }
auto funcType = builder.getFunctionType(argTypes, std::nullopt); auto funcType = builder.getFunctionType(argTypes, /*results=*/{});
return builder.create<mlir::toy::FuncOp>(location, proto.getName(), return builder.create<mlir::toy::FuncOp>(location, proto.getName(),
funcType); funcType);
} }
@ -441,10 +441,10 @@ private:
for (auto &var : lit.getValues()) { for (auto &var : lit.getValues()) {
if (auto *number = llvm::dyn_cast<NumberExprAST>(var.get())) { if (auto *number = llvm::dyn_cast<NumberExprAST>(var.get())) {
attrElements.push_back(getConstantAttr(*number)); attrElements.push_back(getConstantAttr(*number));
typeElements.push_back(getType(std::nullopt)); typeElements.push_back(getType(/*shape=*/{}));
} else if (auto *lit = llvm::dyn_cast<LiteralExprAST>(var.get())) { } else if (auto *lit = llvm::dyn_cast<LiteralExprAST>(var.get())) {
attrElements.push_back(getConstantAttr(*lit)); attrElements.push_back(getConstantAttr(*lit));
typeElements.push_back(getType(std::nullopt)); typeElements.push_back(getType(/*shape=*/{}));
} else { } else {
auto *structLit = llvm::cast<StructLiteralExprAST>(var.get()); auto *structLit = llvm::cast<StructLiteralExprAST>(var.get());
auto attrTypePair = getConstantAttr(*structLit); auto attrTypePair = getConstantAttr(*structLit);