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comparison include/llvm/MC/MCInstrInfo.h @ 95:afa8332a0e37

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 1172e4bd9c6f
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
18 #include <cassert> 18 #include <cassert>
19 19
20 namespace llvm { 20 namespace llvm {
21 21
22 //--------------------------------------------------------------------------- 22 //---------------------------------------------------------------------------
23 /// 23 /// \brief Interface to description of machine instruction set.
24 /// MCInstrInfo - Interface to description of machine instruction set
25 ///
26 class MCInstrInfo { 24 class MCInstrInfo {
27 const MCInstrDesc *Desc; // Raw array to allow static init'n 25 const MCInstrDesc *Desc; // Raw array to allow static init'n
28 const unsigned *InstrNameIndices; // Array for name indices in InstrNameData 26 const unsigned *InstrNameIndices; // Array for name indices in InstrNameData
29 const char *InstrNameData; // Instruction name string pool 27 const char *InstrNameData; // Instruction name string pool
30 unsigned NumOpcodes; // Number of entries in the desc array 28 unsigned NumOpcodes; // Number of entries in the desc array
31 29
32 public: 30 public:
33 /// InitMCInstrInfo - Initialize MCInstrInfo, called by TableGen 31 /// \brief Initialize MCInstrInfo, called by TableGen auto-generated routines.
34 /// auto-generated routines. *DO NOT USE*. 32 /// *DO NOT USE*.
35 void InitMCInstrInfo(const MCInstrDesc *D, const unsigned *NI, const char *ND, 33 void InitMCInstrInfo(const MCInstrDesc *D, const unsigned *NI, const char *ND,
36 unsigned NO) { 34 unsigned NO) {
37 Desc = D; 35 Desc = D;
38 InstrNameIndices = NI; 36 InstrNameIndices = NI;
39 InstrNameData = ND; 37 InstrNameData = ND;
40 NumOpcodes = NO; 38 NumOpcodes = NO;
41 } 39 }
42 40
43 unsigned getNumOpcodes() const { return NumOpcodes; } 41 unsigned getNumOpcodes() const { return NumOpcodes; }
44 42
45 /// get - Return the machine instruction descriptor that corresponds to the 43 /// \brief Return the machine instruction descriptor that corresponds to the
46 /// specified instruction opcode. 44 /// specified instruction opcode.
47 ///
48 const MCInstrDesc &get(unsigned Opcode) const { 45 const MCInstrDesc &get(unsigned Opcode) const {
49 assert(Opcode < NumOpcodes && "Invalid opcode!"); 46 assert(Opcode < NumOpcodes && "Invalid opcode!");
50 return Desc[Opcode]; 47 return Desc[Opcode];
51 } 48 }
52 49
53 /// getName - Returns the name for the instructions with the given opcode. 50 /// \brief Returns the name for the instructions with the given opcode.
54 const char *getName(unsigned Opcode) const { 51 const char *getName(unsigned Opcode) const {
55 assert(Opcode < NumOpcodes && "Invalid opcode!"); 52 assert(Opcode < NumOpcodes && "Invalid opcode!");
56 return &InstrNameData[InstrNameIndices[Opcode]]; 53 return &InstrNameData[InstrNameIndices[Opcode]];
57 } 54 }
58 }; 55 };