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