Chris Lattner | 4587207 | 2003-08-07 05:38:11 +0000 | [diff] [blame] | 1 | //===- CodeGenWrappers.h - Code Generation Class Wrappers -------*- C++ -*-===// |
| 2 | // |
| 3 | // These classes wrap target description classes used by the various code |
| 4 | // generation TableGen backends. This makes it easier to access the data and |
| 5 | // provides a single place that needs to check it for validity. All of these |
| 6 | // classes throw exceptions on error conditions. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef CODEGENWRAPPERS_H |
| 11 | #define CODEGENWRAPPERS_H |
| 12 | |
| 13 | #include "llvm/CodeGen/ValueTypes.h" |
| 14 | #include <iosfwd> |
| 15 | #include <vector> |
| 16 | class Record; |
| 17 | class RecordKeeper; |
| 18 | |
| 19 | /// getValueType - Return the MVT::ValueType that the specified TableGen record |
| 20 | /// corresponds to. |
| 21 | MVT::ValueType getValueType(Record *Rec); |
| 22 | |
| 23 | std::ostream &operator<<(std::ostream &OS, MVT::ValueType T); |
| 24 | |
| 25 | |
| 26 | |
| 27 | /// CodeGenTarget - This class corresponds to the Target class in the .td files. |
| 28 | /// |
| 29 | class CodeGenTarget { |
| 30 | Record *TargetRec; |
| 31 | std::vector<Record*> CalleeSavedRegisters; |
| 32 | MVT::ValueType PointerType; |
| 33 | |
| 34 | public: |
| 35 | CodeGenTarget(); |
| 36 | |
| 37 | Record *getTargetRecord() const { return TargetRec; } |
| 38 | const std::string &getName() const; |
| 39 | |
| 40 | const std::vector<Record*> &getCalleeSavedRegisters() const { |
| 41 | return CalleeSavedRegisters; |
| 42 | } |
| 43 | |
Chris Lattner | 54c66fe | 2003-08-07 06:01:44 +0000 | [diff] [blame^] | 44 | MVT::ValueType getPointerType() const { return PointerType; } |
| 45 | |
Chris Lattner | 4587207 | 2003-08-07 05:38:11 +0000 | [diff] [blame] | 46 | // getInstructionSet - Return the InstructionSet object... |
| 47 | Record *getInstructionSet() const; |
| 48 | |
| 49 | // getInstructionSet - Return the CodeGenInstructionSet object for this |
| 50 | // target, lazily reading it from the record keeper as needed. |
| 51 | // CodeGenInstructionSet *getInstructionSet - |
| 52 | }; |
| 53 | |
| 54 | #endif |