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/MCAsmInfo.h"
12#include "llvm/MC/MCContext.h"
13#include "llvm/MC/MCExpr.h"
14#include "llvm/MC/MCInstPrinter.h"
15#include "llvm/MC/MCRegisterInfo.h"
16#include "llvm/Support/Casting.h"
17#include "llvm/Support/Compiler.h"
18#include "llvm/Support/Debug.h"
19#include "llvm/Support/raw_ostream.h"
20
21using namespace llvm;
22
23void MCOperand::print(raw_ostream &OS, const MCContext *Ctx) const {
24 OS << "<MCOperand ";
25 if (!isValid())
26 OS << "INVALID";
27 else if (isReg()) {
28 OS << "Reg:";
29 if (Ctx && Ctx->getRegisterInfo())
30 OS << Ctx->getRegisterInfo()->getName(RegNo: getReg());
31 else
32 OS << getReg();
33 } else if (isImm())
34 OS << "Imm:" << getImm();
35 else if (isSFPImm())
36 OS << "SFPImm:" << bit_cast<float>(from: getSFPImm());
37 else if (isDFPImm())
38 OS << "DFPImm:" << bit_cast<double>(from: getDFPImm());
39 else if (isExpr()) {
40 OS << "Expr:";
41 if (Ctx)
42 Ctx->getAsmInfo()->printExpr(OS, *getExpr());
43 else
44 getExpr()->print(OS, MAI: nullptr);
45 } else if (isInst()) {
46 OS << "Inst:(";
47 if (const auto *Inst = getInst())
48 Inst->print(OS, Ctx);
49 else
50 OS << "NULL";
51 OS << ")";
52 } else
53 OS << "UNDEFINED";
54 OS << ">";
55}
56
57bool MCOperand::evaluateAsConstantImm(int64_t &Imm) const {
58 if (isImm()) {
59 Imm = getImm();
60 return true;
61 }
62 return false;
63}
64
65bool MCOperand::isBareSymbolRef() const {
66 assert(isExpr() &&
67 "isBareSymbolRef expects only expressions");
68 const MCExpr *Expr = getExpr();
69 MCExpr::ExprKind Kind = getExpr()->getKind();
70 return Kind == MCExpr::SymbolRef &&
71 cast<MCSymbolRefExpr>(Val: Expr)->getSpecifier() == 0;
72}
73
74#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
75LLVM_DUMP_METHOD void MCOperand::dump() const {
76 print(dbgs());
77 dbgs() << "\n";
78}
79#endif
80
81void MCInst::print(raw_ostream &OS, const MCContext *Ctx) const {
82 OS << "<MCInst " << getOpcode();
83 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
84 OS << " ";
85 getOperand(i).print(OS, Ctx);
86 }
87 OS << ">";
88}
89
90void MCInst::dump_pretty(raw_ostream &OS, const MCInstPrinter *Printer,
91 StringRef Separator, const MCContext *Ctx) const {
92 StringRef InstName = Printer ? Printer->getOpcodeName(Opcode: getOpcode()) : "";
93 dump_pretty(OS, Name: InstName, Separator, Ctx);
94}
95
96void MCInst::dump_pretty(raw_ostream &OS, StringRef Name, StringRef Separator,
97 const MCContext *Ctx) const {
98 OS << "<MCInst #" << getOpcode();
99
100 // Show the instruction opcode name if we have it.
101 if (!Name.empty())
102 OS << ' ' << Name;
103
104 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
105 OS << Separator;
106 getOperand(i).print(OS, Ctx);
107 }
108 OS << ">";
109}
110
111#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
112LLVM_DUMP_METHOD void MCInst::dump() const {
113 print(dbgs());
114 dbgs() << "\n";
115}
116#endif
117