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+//===- RangeOp.h - Linalg dialect RangeOp operation definition ------------===//
+//
+// Copyright 2019 The MLIR Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// =============================================================================
+
+#ifndef LINALG1_RANGEOP_H_
+#define LINALG1_RANGEOP_H_
+
+#include "mlir/IR/OpDefinition.h"
+#include "mlir/Support/LLVM.h"
+
+namespace linalg {
+
+/// A RangeOp is used to create a value of RangeType from 3 values of type index
+/// that represent the min, max and step values of the range.
+/// Note: step must be an mlir::ConstantIndexOp for now due to current
+/// `affine.for` limitations.
+class RangeOp : public mlir::Op<RangeOp, mlir::OpTrait::NOperands<3>::Impl,
+                                mlir::OpTrait::OneResult,
+                                mlir::OpTrait::HasNoSideEffect> {
+public:
+  using Op::Op;
+
+  //////////////////////////////////////////////////////////////////////////////
+  // Hooks to customize the behavior of this op.
+  //////////////////////////////////////////////////////////////////////////////
+  static llvm::StringRef getOperationName() { return "linalg.range"; }
+  static void build(mlir::Builder *b, mlir::OperationState *result,
+                    mlir::Value *min, mlir::Value *max, mlir::Value *step);
+  mlir::LogicalResult verify();
+  static bool parse(mlir::OpAsmParser *parser, mlir::OperationState *result);
+  void print(mlir::OpAsmPrinter *p);
+
+  //////////////////////////////////////////////////////////////////////////////
+  // Op-specific functionality.
+  //////////////////////////////////////////////////////////////////////////////
+  mlir::Value *getMin() { return getOperand(0); }
+  mlir::Value *getMax() { return getOperand(1); }
+  mlir::Value *getStep() { return getOperand(2); }
+};
+
+} // namespace linalg
+
+#endif // LINALG1_RANGEOP_H_