//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_CODEGEN_MREGISTERINFO_H
-#define LLVM_CODEGEN_MREGISTERINFO_H
+#ifndef LLVM_TARGET_MREGISTERINFO_H
+#define LLVM_TARGET_MREGISTERINFO_H
+#include "llvm/CodeGen/MachineBasicBlock.h"
#include <assert.h>
+class Type;
+
/// MRegisterDesc - This record contains all of the information known about a
/// particular register.
///
};
};
+class TargetRegisterClass {
+protected:
+ TargetRegisterClass() {}
+
+public:
+
+ typedef unsigned* iterator;
+ typedef unsigned* const_iterator;
+
+ iterator begin();
+ iterator end();
+ const_iterator begin() const;
+ const_iterator end() const;
+
+ virtual unsigned getNumRegs() const { return 0; }
+ virtual unsigned getRegister(unsigned idx) const { return 0; }
+
+ virtual unsigned getDataSize() const { return 0; }
+
+ //const std::vector<unsigned> &getRegsInClass(void) { return Regs; }
+ //void getAliases(void);
+};
+
+
/// MRegisterInfo base class - We assume that the target defines a static array
/// of MRegisterDesc objects that represent all of the machine registers that
/// the target has. As such, we simply have to track a pointer to this array so
///
const MRegisterDesc &get(unsigned RegNo) const { return operator[](RegNo); }
- // This will eventually get some virtual methods...
-
+
+ virtual void copyReg2PCRel(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator &MBBI,
+ unsigned SrcReg, unsigned ImmOffset,
+ unsigned dataSize) const = 0;
+
+ virtual void copyPCRel2Reg(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator &MBBI,
+ unsigned ImmOffset, unsigned DestReg,
+ unsigned dataSize) const = 0;
+
+ /// Register class iterators
+ typedef const TargetRegisterClass* const_iterator;
+
+ virtual const_iterator const_regclass_begin() const = 0;
+ virtual const_iterator const_regclass_end() const = 0;
+
+ virtual unsigned getNumRegClasses() const = 0;
+ virtual const TargetRegisterClass* getRegClassForType(const Type* Ty) const=0;
};
#endif
-//===-- llvm/Target/Machine.h - General Target Information -------*- C++ -*-==//
+//===-- llvm/Target/TargetMachine.h - General Target Information -*- C++ -*-==//
//
// This file describes the general parts of a Target machine.
//
virtual const MachineOptInfo& getOptInfo() const = 0;
/// getRegisterInfo - If register information is available, return it. If
- /// not, return null. This is kept seperate from RegInfo until RegInfo gets
+ /// not, return null. This is kept separate from RegInfo until RegInfo gets
/// straightened out.
///
virtual const MRegisterInfo* getRegisterInfo() const { return 0; }