60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
//===- lib/MC/MCValue.cpp - MCValue implementation ------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/MC/MCValue.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();
|
|
}
|
|
|
|
LLVM_DUMP_METHOD void MCValue::dump() const {
|
|
print(dbgs());
|
|
}
|
|
|
|
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;
|
|
|
|
MCSymbolRefExpr::VariantKind Kind = A->getKind();
|
|
if (Kind == MCSymbolRefExpr::VK_WEAKREF)
|
|
return MCSymbolRefExpr::VK_None;
|
|
return Kind;
|
|
}
|