1 //===- MIParser.h - Machine Instructions Parser ---------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the function that parses the machine instructions.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_CODEGEN_MIRPARSER_MIPARSER_H
15 #define LLVM_LIB_CODEGEN_MIRPARSER_MIPARSER_H
16 
17 #include "llvm/ADT/DenseMap.h"
18 #include "llvm/ADT/StringRef.h"
19 
20 namespace llvm {
21 
22 class MachineBasicBlock;
23 class MachineInstr;
24 class MachineFunction;
25 struct SlotMapping;
26 class SMDiagnostic;
27 class SourceMgr;
28 
29 struct PerFunctionMIParsingState {
30   DenseMap<unsigned, MachineBasicBlock *> MBBSlots;
31   DenseMap<unsigned, unsigned> VirtualRegisterSlots;
32 };
33 
34 bool parseMachineInstr(MachineInstr *&MI, SourceMgr &SM, MachineFunction &MF,
35                        StringRef Src, const PerFunctionMIParsingState &PFS,
36                        const SlotMapping &IRSlots, SMDiagnostic &Error);
37 
38 bool parseMBBReference(MachineBasicBlock *&MBB, SourceMgr &SM,
39                        MachineFunction &MF, StringRef Src,
40                        const PerFunctionMIParsingState &PFS,
41                        const SlotMapping &IRSlots, SMDiagnostic &Error);
42 
43 bool parseNamedRegisterReference(unsigned &Reg, SourceMgr &SM,
44                                  MachineFunction &MF, StringRef Src,
45                                  const PerFunctionMIParsingState &PFS,
46                                  const SlotMapping &IRSlots,
47                                  SMDiagnostic &Error);
48 
49 } // end namespace llvm
50 
51 #endif
52