1//===- lib/MC/MCInst.cpp - MCInst implementation --------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/MC/MCInst.h"
10#include "llvm/Config/llvm-config.h"
11#include "llvm/MC/MCExpr.h"
12#include "llvm/MC/MCInstPrinter.h"
13#include "llvm/Support/Casting.h"
14#include "llvm/Support/Compiler.h"
15#include "llvm/Support/Debug.h"
16#include "llvm/Support/raw_ostream.h"
17
18using namespace llvm;
19
20void MCOperand::print(raw_ostream &OS) const {
21  OS << "<MCOperand ";
22  if (!isValid())
23    OS << "INVALID";
24  else if (isReg())
25    OS << "Reg:" << getReg();
26  else if (isImm())
27    OS << "Imm:" << getImm();
28  else if (isFPImm())
29    OS << "FPImm:" << getFPImm();
30  else if (isExpr()) {
31    OS << "Expr:(" << *getExpr() << ")";
32  } else if (isInst()) {
33    OS << "Inst:(" << *getInst() << ")";
34  } else
35    OS << "UNDEFINED";
36  OS << ">";
37}
38
39bool MCOperand::evaluateAsConstantImm(int64_t &Imm) const {
40  if (isImm()) {
41    Imm = getImm();
42    return true;
43  }
44  return false;
45}
46
47bool MCOperand::isBareSymbolRef() const {
48  assert(isExpr() &&
49         "isBareSymbolRef expects only expressions");
50  const MCExpr *Expr = getExpr();
51  MCExpr::ExprKind Kind = getExpr()->getKind();
52  return Kind == MCExpr::SymbolRef &&
53    cast<MCSymbolRefExpr>(Expr)->getKind() == MCSymbolRefExpr::VK_None;
54}
55
56#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
57LLVM_DUMP_METHOD void MCOperand::dump() const {
58  print(dbgs());
59  dbgs() << "\n";
60}
61#endif
62
63void MCInst::print(raw_ostream &OS) const {
64  OS << "<MCInst " << getOpcode();
65  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
66    OS << " ";
67    getOperand(i).print(OS);
68  }
69  OS << ">";
70}
71
72void MCInst::dump_pretty(raw_ostream &OS, const MCInstPrinter *Printer,
73                         StringRef Separator) const {
74  StringRef InstName = Printer ? Printer->getOpcodeName(getOpcode()) : "";
75  dump_pretty(OS, InstName, Separator);
76}
77
78void MCInst::dump_pretty(raw_ostream &OS, StringRef Name,
79                         StringRef Separator) const {
80  OS << "<MCInst #" << getOpcode();
81
82  // Show the instruction opcode name if we have it.
83  if (!Name.empty())
84    OS << ' ' << Name;
85
86  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
87    OS << Separator;
88    getOperand(i).print(OS);
89  }
90  OS << ">";
91}
92
93#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
94LLVM_DUMP_METHOD void MCInst::dump() const {
95  print(dbgs());
96  dbgs() << "\n";
97}
98#endif
99