llvm-6502/include/llvm/Target/TargetIntrinsicInfo.h

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//===-- llvm/Target/TargetIntrinsicInfo.h - Instruction Info ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the target intrinsic instructions to the code generator.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_TARGETINTRINSICINFO_H
#define LLVM_TARGET_TARGETINTRINSICINFO_H
namespace llvm {
class Function;
class Module;
class Type;
//---------------------------------------------------------------------------
///
/// TargetIntrinsicInfo - Interface to description of machine instruction set
///
class TargetIntrinsicInfo {
const char **Intrinsics; // Raw array to allow static init'n
unsigned NumIntrinsics; // Number of entries in the desc array
TargetIntrinsicInfo(const TargetIntrinsicInfo &); // DO NOT IMPLEMENT
void operator=(const TargetIntrinsicInfo &); // DO NOT IMPLEMENT
public:
TargetIntrinsicInfo(const char **desc, unsigned num);
virtual ~TargetIntrinsicInfo();
unsigned getNumIntrinsics() const { return NumIntrinsics; }
virtual Function *getDeclaration(Module *M, const char *BuiltinName) const {
return 0;
}
// Returns the Function declaration for intrinsic BuiltinName. If the
// intrinsic can be overloaded, uses Tys to return the correct function.
virtual Function *getDeclaration(Module *M, const char *BuiltinName,
const Type **Tys, unsigned numTys) const {
return 0;
}
// Returns true if the Builtin can be overloaded.
virtual bool isOverloaded(Module *M, const char *BuiltinName) const {
return false;
}
virtual unsigned getIntrinsicID(Function *F) const { return 0; }
};
} // End llvm namespace
#endif