mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
48f2f0ae72
the latter is capable of representing either a primitive or an extended type. llvm-svn: 78713
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
//===- CodeGenIntrinsic.h - Intrinsic Class Wrapper ------------*- C++ -*--===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file 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.
|
|
|
|
/// IntrinsicSignature - This structure holds the return values and
|
|
/// parameter values of an intrinsic. If the number of return values is > 1,
|
|
/// then the intrinsic implicitly returns a first-class aggregate. The
|
|
/// numbering of the types starts at 0 with the first return value and
|
|
/// continues from there through the parameter list. This is useful for
|
|
/// "matching" types.
|
|
struct IntrinsicSignature {
|
|
/// RetVTs - The MVT::SimpleValueType for each return 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::SimpleValueType> RetVTs;
|
|
|
|
/// RetTypeDefs - The records for each return type.
|
|
std::vector<Record*> RetTypeDefs;
|
|
|
|
/// ParamVTs - The MVT::SimpleValueType for each parameter 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::SimpleValueType> ParamVTs;
|
|
|
|
/// ParamTypeDefs - The records for each parameter type.
|
|
std::vector<Record*> ParamTypeDefs;
|
|
};
|
|
|
|
IntrinsicSignature IS;
|
|
|
|
// 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;
|
|
|
|
/// isCommutative - True if the intrinsic is commutative.
|
|
bool isCommutative;
|
|
|
|
enum ArgAttribute {
|
|
NoCapture
|
|
};
|
|
std::vector<std::pair<unsigned, ArgAttribute> > ArgumentAttributes;
|
|
|
|
CodeGenIntrinsic(Record *R);
|
|
};
|
|
|
|
/// LoadIntrinsics - Read all of the intrinsics defined in the specified
|
|
/// .td file.
|
|
std::vector<CodeGenIntrinsic> LoadIntrinsics(const RecordKeeper &RC,
|
|
bool TargetOnly);
|
|
}
|
|
|
|
#endif
|