Coverage Report

Created: 2019-02-21 13:17

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/MC/MCParser/MCParsedAsmOperand.h
Line
Count
Source (jump to first uncovered line)
1
//===- llvm/MC/MCParsedAsmOperand.h - Asm Parser Operand --------*- C++ -*-===//
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
#ifndef LLVM_MC_MCPARSER_MCPARSEDASMOPERAND_H
10
#define LLVM_MC_MCPARSER_MCPARSEDASMOPERAND_H
11
12
#include "llvm/ADT/StringRef.h"
13
#include "llvm/Support/SMLoc.h"
14
#include <string>
15
16
namespace llvm {
17
18
class raw_ostream;
19
20
/// MCParsedAsmOperand - This abstract class represents a source-level assembly
21
/// instruction operand.  It should be subclassed by target-specific code.  This
22
/// base class is used by target-independent clients and is the interface
23
/// between parsing an asm instruction and recognizing it.
24
class MCParsedAsmOperand {
25
  /// MCOperandNum - The corresponding MCInst operand number.  Only valid when
26
  /// parsing MS-style inline assembly.
27
  unsigned MCOperandNum;
28
29
  /// Constraint - The constraint on this operand.  Only valid when parsing
30
  /// MS-style inline assembly.
31
  std::string Constraint;
32
33
protected:
34
  // This only seems to need to be movable (by ARMOperand) but ARMOperand has
35
  // lots of members and MSVC doesn't support defaulted move ops, so to avoid
36
  // that verbosity, just rely on defaulted copy ops. It's only the Constraint
37
  // string member that would benefit from movement anyway.
38
2.04M
  MCParsedAsmOperand() = default;
39
8
  MCParsedAsmOperand(const MCParsedAsmOperand &RHS) = default;
40
16
  MCParsedAsmOperand &operator=(const MCParsedAsmOperand &) = default;
41
42
public:
43
2.04M
  virtual ~MCParsedAsmOperand() = default;
44
45
739
  void setConstraint(StringRef C) { Constraint = C.str(); }
46
135
  StringRef getConstraint() { return Constraint; }
47
48
739
  void setMCOperandNum (unsigned OpNum) { MCOperandNum = OpNum; }
49
308
  unsigned getMCOperandNum() { return MCOperandNum; }
50
51
0
  virtual StringRef getSymName() { return StringRef(); }
52
0
  virtual void *getOpDecl() { return nullptr; }
53
54
  /// isToken - Is this a token operand?
55
  virtual bool isToken() const = 0;
56
  /// isImm - Is this an immediate operand?
57
  virtual bool isImm() const = 0;
58
  /// isReg - Is this a register operand?
59
  virtual bool isReg() const = 0;
60
  virtual unsigned getReg() const = 0;
61
62
  /// isMem - Is this a memory operand?
63
  virtual bool isMem() const = 0;
64
65
  /// getStartLoc - Get the location of the first token of this operand.
66
  virtual SMLoc getStartLoc() const = 0;
67
  /// getEndLoc - Get the location of the last token of this operand.
68
  virtual SMLoc getEndLoc() const = 0;
69
70
  /// needAddressOf - Do we need to emit code to get the address of the
71
  /// variable/label?   Only valid when parsing MS-style inline assembly.
72
0
  virtual bool needAddressOf() const { return false; }
73
74
  /// isOffsetOf - Do we need to emit code to get the offset of the variable,
75
  /// rather then the value of the variable?   Only valid when parsing MS-style
76
  /// inline assembly.
77
0
  virtual bool isOffsetOf() const { return false; }
78
79
  /// getOffsetOfLoc - Get the location of the offset operator.
80
0
  virtual SMLoc getOffsetOfLoc() const { return SMLoc(); }
81
82
  /// print - Print a debug representation of the operand to the given stream.
83
  virtual void print(raw_ostream &OS) const = 0;
84
85
  /// dump - Print to the debug stream.
86
  virtual void dump() const;
87
};
88
89
//===----------------------------------------------------------------------===//
90
// Debugging Support
91
92
0
inline raw_ostream& operator<<(raw_ostream &OS, const MCParsedAsmOperand &MO) {
93
0
  MO.print(OS);
94
0
  return OS;
95
0
}
96
97
} // end namespace llvm
98
99
#endif // LLVM_MC_MCPARSER_MCPARSEDASMOPERAND_H