diff --git a/include/llvm/Target/MInstructionInfo.h b/include/llvm/Target/MInstructionInfo.h deleted file mode 100644 index e8eb750f1c7..00000000000 --- a/include/llvm/Target/MInstructionInfo.h +++ /dev/null @@ -1,85 +0,0 @@ -//===- Target/MInstructionInfo.h - Target Instruction Information -*-C++-*-===// -// -// MInstruction's are completely generic instructions that provide very little -// interpretation upon their arguments and sementics. This file defines an -// interface that should be used to get information about the semantics of the -// actual instructions. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CODEGEN_MINSTRUCTIONINFO_H -#define LLVM_CODEGEN_MINSTRUCTIONINFO_H - -#include -#include -class MInstruction; -class MRegisterInfo; - -/// MInstructionDesc - This record contains all of the information known about a -/// particular instruction. Note that several instructions with the same -/// mnemonic may be represented in the target machine as different instructions. -/// -struct MInstructionDesc { - const char *Name; // Assembly language mnemonic for the instruction. - unsigned Flags; // Flags identifying inst properties (defined below) - unsigned TSFlags; // Target Specific Flags -}; - -/// MIF namespace - This namespace contains flags that pertain to machine -/// instructions -/// -namespace MIF { - enum { - // Memory flags... - LOAD = 1 << 0, // This instruction loads from memory - STORE = 1 << 1, // This instruction stores to memory - - // Control flow flags... - CALL = 1 << 2, // This instruction calls another function - RET = 1 << 3, // This instruction returns from function - BRANCH = 1 << 4, // This instruction is a branch - }; -}; - -/// MInstructionInfo base class - We assume that the target defines a static -/// array of MInstructionDesc objects that represent all of the machine -/// instructions that the target has. As such, we simply have to track a -/// pointer to this array so that we can turn an instruction opcode into an -/// instruction descriptor. -/// -class MInstructionInfo { - const MInstructionDesc *Desc; // Pointer to the descriptor array - unsigned NumInstructions; // Number of entries in the array -protected: - MInstructionInfo(const MInstructionDesc *D, unsigned NI) - : Desc(D), NumInstructions(NI) {} -public: - - enum { // Target independant constants - PHIOpcode = 0, /// Opcode for PHI instruction - NoOpOpcode = 1, /// Opcode for noop instruction - }; - - /// getRegisterInfo - MInstructionInfo is a superset of MRegister info. As - /// such, whenever a client has an instance of instruction info, it should - /// always be able to get register info as well (through this method). - /// - virtual const MRegisterInfo &getRegisterInfo() const = 0; - - const MInstructionDesc &operator[](unsigned Opcode) const { - assert(Opcode < NumInstructions && - "Attempting to access record for invalid opcode!"); - return Desc[Opcode]; - } - - /// Provide a get method, equivalent to [], but more useful if we have a - /// pointer to this object. - const MInstructionDesc &get(unsigned Opcode) const { - return operator[](Opcode); - } - - virtual void print(const MInstruction *MI, std::ostream &O) const = 0; - -}; - -#endif