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//===- lib/MC/MCValue.cpp - MCValue implementation ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCValue.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
void MCValue::print(raw_ostream &OS) const {
if (isAbsolute()) {
OS << getConstant();
return;
}
// FIXME: prints as a number, which isn't ideal. But the meaning will be
// target-specific anyway.
if (getRefKind())
OS << ':' << getRefKind() << ':';
OS << *getSymA();
if (getSymB()) {
OS << " - ";
OS << *getSymB();
}
if (getConstant())
OS << " + " << getConstant();
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void MCValue::dump() const {
print(dbgs());
}
#endif
MCSymbolRefExpr::VariantKind MCValue::getAccessVariant() const {
const MCSymbolRefExpr *B = getSymB();
if (B) {
if (B->getKind() != MCSymbolRefExpr::VK_None)
llvm_unreachable("unsupported");
}
const MCSymbolRefExpr *A = getSymA();
if (!A)
return MCSymbolRefExpr::VK_None;
return A->getKind();
}
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