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
18 using namespace llvm;
19
print(raw_ostream & OS) const20 void 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
evaluateAsConstantImm(int64_t & Imm) const39 bool MCOperand::evaluateAsConstantImm(int64_t &Imm) const {
40 if (isImm()) {
41 Imm = getImm();
42 return true;
43 }
44 return false;
45 }
46
isBareSymbolRef() const47 bool 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)
dump() const57 LLVM_DUMP_METHOD void MCOperand::dump() const {
58 print(dbgs());
59 dbgs() << "\n";
60 }
61 #endif
62
print(raw_ostream & OS) const63 void 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
dump_pretty(raw_ostream & OS,const MCInstPrinter * Printer,StringRef Separator) const72 void 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
dump_pretty(raw_ostream & OS,StringRef Name,StringRef Separator) const78 void 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)
dump() const94 LLVM_DUMP_METHOD void MCInst::dump() const {
95 print(dbgs());
96 dbgs() << "\n";
97 }
98 #endif
99