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// Copyright 2022 The Tint 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 SRC_TINT_IR_FUNCTION_H_
#define SRC_TINT_IR_FUNCTION_H_
#include "src/tint/ast/function.h"
#include "src/tint/ir/flow_node.h"
// Forward declarations
namespace tint::ir {
class Block;
class Terminator;
} // namespace tint::ir
namespace tint::ir {
/// An IR representation of a function
class Function : public Castable<Function, FlowNode> {
public:
/// Constructor
/// @param func the ast::Function to create from
explicit Function(const ast::Function* func);
~Function() override;
/// The ast function this ir function is created from.
const ast::Function* source;
/// The start target is the first block in a function.
Block* start_target = nullptr;
/// The end target is the end of the function. It is used as the branch target if a return is
/// encountered in the function.
Terminator* end_target = nullptr;
};
} // namespace tint::ir
#endif // SRC_TINT_IR_FUNCTION_H_