llvm-6502/utils/TableGen/CodeGenIntrinsics.h
2007-04-26 19:43:14 +00:00

65 lines
2.2 KiB
C++

//===- CodeGenIntrinsic.h - Intrinsic Class Wrapper ------------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a wrapper class for the 'Intrinsic' TableGen class.
//
//===----------------------------------------------------------------------===//
#ifndef CODEGEN_INTRINSIC_H
#define CODEGEN_INTRINSIC_H
#include <string>
#include <vector>
#include "llvm/CodeGen/ValueTypes.h"
namespace llvm {
class Record;
class RecordKeeper;
class CodeGenTarget;
struct CodeGenIntrinsic {
Record *TheDef; // The actual record defining this intrinsic.
std::string Name; // The name of the LLVM function "llvm.bswap.i32"
std::string EnumName; // The name of the enum "bswap_i32"
std::string GCCBuiltinName;// Name of the corresponding GCC builtin, or "".
std::string TargetPrefix; // Target prefix, e.g. "ppc" for t-s intrinsics.
/// ArgTypes - The type primitive enum value for the return value and all
/// of the arguments. These are things like Type::IntegerTyID.
std::vector<std::string> ArgTypes;
/// ArgVTs - The MVT::ValueType for each argument type. Note that this list
/// is only populated when in the context of a target .td file. When
/// building Intrinsics.td, this isn't available, because we don't know the
/// target pointer size.
std::vector<MVT::ValueType> ArgVTs;
/// ArgTypeDefs - The records for each argument type.
///
std::vector<Record*> ArgTypeDefs;
// Memory mod/ref behavior of this intrinsic.
enum {
NoMem, ReadArgMem, ReadMem, WriteArgMem, WriteMem
} ModRef;
// This is set to true if the intrinsic is overloaded by its argument
// types.
bool isOverloaded;
CodeGenIntrinsic(Record *R, CodeGenTarget *CGT);
};
/// LoadIntrinsics - Read all of the intrinsics defined in the specified
/// .td file.
std::vector<CodeGenIntrinsic> LoadIntrinsics(const RecordKeeper &RC);
}
#endif