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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
//===- lib/MC/MCInst.cpp - MCInst implementation --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/MC/MCInst.h"
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#include "llvm/Config/llvm-config.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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void MCOperand::print(raw_ostream &OS) const {
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OS << "<MCOperand ";
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if (!isValid())
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OS << "INVALID";
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else if (isReg())
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OS << "Reg:" << getReg();
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else if (isImm())
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OS << "Imm:" << getImm();
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else if (isFPImm())
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OS << "FPImm:" << getFPImm();
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else if (isExpr()) {
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OS << "Expr:(" << *getExpr() << ")";
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} else if (isInst()) {
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OS << "Inst:(" << *getInst() << ")";
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} else
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OS << "UNDEFINED";
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OS << ">";
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}
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bool MCOperand::evaluateAsConstantImm(int64_t &Imm) const {
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if (isImm()) {
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Imm = getImm();
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return true;
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}
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return false;
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}
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bool MCOperand::isBareSymbolRef() const {
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assert(isExpr() &&
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"isBareSymbolRef expects only expressions");
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const MCExpr *Expr = getExpr();
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MCExpr::ExprKind Kind = getExpr()->getKind();
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return Kind == MCExpr::SymbolRef &&
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cast<MCSymbolRefExpr>(Expr)->getKind() == MCSymbolRefExpr::VK_None;
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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LLVM_DUMP_METHOD void MCOperand::dump() const {
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print(dbgs());
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dbgs() << "\n";
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}
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#endif
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void MCInst::print(raw_ostream &OS) const {
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OS << "<MCInst " << getOpcode();
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for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
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OS << " ";
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getOperand(i).print(OS);
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}
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OS << ">";
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}
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void MCInst::dump_pretty(raw_ostream &OS, const MCInstPrinter *Printer,
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StringRef Separator) const {
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StringRef InstName = Printer ? Printer->getOpcodeName(getOpcode()) : "";
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dump_pretty(OS, InstName, Separator);
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}
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void MCInst::dump_pretty(raw_ostream &OS, StringRef Name,
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StringRef Separator) const {
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OS << "<MCInst #" << getOpcode();
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// Show the instruction opcode name if we have it.
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if (!Name.empty())
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OS << ' ' << Name;
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for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
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OS << Separator;
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getOperand(i).print(OS);
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}
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OS << ">";
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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LLVM_DUMP_METHOD void MCInst::dump() const {
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print(dbgs());
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dbgs() << "\n";
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}
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#endif
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