MCInst.cpp
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//===- lib/MC/MCInst.cpp - MCInst 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/MCInst.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
void MCOperand::print(raw_ostream &OS) const {
OS << "<MCOperand ";
if (!isValid())
OS << "INVALID";
else if (isReg())
OS << "Reg:" << getReg();
else if (isImm())
OS << "Imm:" << getImm();
else if (isFPImm())
OS << "FPImm:" << getFPImm();
else if (isExpr()) {
OS << "Expr:(" << *getExpr() << ")";
} else if (isInst()) {
OS << "Inst:(" << *getInst() << ")";
} else
OS << "UNDEFINED";
OS << ">";
}
bool MCOperand::evaluateAsConstantImm(int64_t &Imm) const {
if (isImm()) {
Imm = getImm();
return true;
}
return false;
}
bool MCOperand::isBareSymbolRef() const {
assert(isExpr() &&
"isBareSymbolRef expects only expressions");
const MCExpr *Expr = getExpr();
MCExpr::ExprKind Kind = getExpr()->getKind();
return Kind == MCExpr::SymbolRef &&
cast<MCSymbolRefExpr>(Expr)->getKind() == MCSymbolRefExpr::VK_None;
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void MCOperand::dump() const {
print(dbgs());
dbgs() << "\n";
}
#endif
void MCInst::print(raw_ostream &OS) const {
OS << "<MCInst " << getOpcode();
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
OS << " ";
getOperand(i).print(OS);
}
OS << ">";
}
void MCInst::dump_pretty(raw_ostream &OS, const MCInstPrinter *Printer,
StringRef Separator) const {
StringRef InstName = Printer ? Printer->getOpcodeName(getOpcode()) : "";
dump_pretty(OS, InstName, Separator);
}
void MCInst::dump_pretty(raw_ostream &OS, StringRef Name,
StringRef Separator) const {
OS << "<MCInst #" << getOpcode();
// Show the instruction opcode name if we have it.
if (!Name.empty())
OS << ' ' << Name;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
OS << Separator;
getOperand(i).print(OS);
}
OS << ">";
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void MCInst::dump() const {
print(dbgs());
dbgs() << "\n";
}
#endif