llvm/llvm/utils/TableGen/Common/CodeGenInstAlias.cpp

//===- CodeGenInstAlias.cpp - CodeGen InstAlias Class Wrapper -------------===//
//
// 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 implements the CodeGenInstAlias class.
//
//===----------------------------------------------------------------------===//

#include "CodeGenInstAlias.h"
#include "CodeGenInstruction.h"
#include "CodeGenRegisters.h"
#include "CodeGenTarget.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"

usingnamespacellvm;

/// tryAliasOpMatch - This is a helper function for the CodeGenInstAlias
/// constructor.  It checks if an argument in an InstAlias pattern matches
/// the corresponding operand of the instruction.  It returns true on a
/// successful match, with ResOp set to the result operand to be used.
bool CodeGenInstAlias::tryAliasOpMatch(const DagInit *Result,
                                       unsigned AliasOpNo,
                                       const Record *InstOpRec, bool hasSubOps,
                                       ArrayRef<SMLoc> Loc,
                                       const CodeGenTarget &T,
                                       ResultOperand &ResOp) { … }

unsigned CodeGenInstAlias::ResultOperand::getMINumOperands() const { … }

CodeGenInstAlias::CodeGenInstAlias(const Record *R, const CodeGenTarget &T)
    : … { … }