llvm/llvm/include/llvm/CodeGen/PseudoSourceValue.h

//===-- llvm/CodeGen/PseudoSourceValue.h ------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the PseudoSourceValue class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
#define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H

namespace llvm {

class GlobalValue;
class MachineFrameInfo;
class MachineMemOperand;
class MIRFormatter;
class PseudoSourceValue;
class raw_ostream;
class TargetMachine;

raw_ostream &operator<<(raw_ostream &OS, const PseudoSourceValue* PSV);

/// Special value supplied for machine level alias analysis. It indicates that
/// a memory access references the functions stack frame (e.g., a spill slot),
/// below the stack frame (e.g., argument space), or constant pool.
class PseudoSourceValue { … };

/// A specialized PseudoSourceValue for holding FixedStack values, which must
/// include a frame index.
class FixedStackPseudoSourceValue : public PseudoSourceValue { … };

class CallEntryPseudoSourceValue : public PseudoSourceValue { … };

/// A specialized pseudo source value for holding GlobalValue values.
class GlobalValuePseudoSourceValue : public CallEntryPseudoSourceValue { … };

/// A specialized pseudo source value for holding external symbol values.
class ExternalSymbolPseudoSourceValue : public CallEntryPseudoSourceValue { … };

} // end namespace llvm

#endif