llvm/llvm/lib/CodeGen/LiveRangeUtils.h

//===-- LiveRangeUtils.h - Live Range modification utilities ----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file
/// This file contains helper functions to modify live ranges.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_CODEGEN_LIVERANGEUTILS_H
#define LLVM_LIB_CODEGEN_LIVERANGEUTILS_H

#include "llvm/CodeGen/LiveInterval.h"

namespace llvm {

/// Helper function that distributes live range value numbers and the
/// corresponding segments of a primary live range \p LR to a list of newly
/// created live ranges \p SplitLRs. \p VNIClasses maps each value number in \p
/// LR to 0 meaning it should stay or to 1..N meaning it should go to a specific
/// live range in the \p SplitLRs array.
template<typename LiveRangeT, typename EqClassesT>
static void DistributeRange(LiveRangeT &LR, LiveRangeT *SplitLRs[],
                            EqClassesT VNIClasses) { … }

} // End llvm namespace

#endif