mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
//===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- 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 set of enums which allow processing of intrinsic
|
|
// functions. Values of these enum types are returned by
|
|
// Function::getIntrinsicID.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_INTRINSICS_H
|
|
#define LLVM_INTRINSICS_H
|
|
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
|
|
class Type;
|
|
class FunctionType;
|
|
class Function;
|
|
class LLVMContext;
|
|
class Module;
|
|
class AttrListPtr;
|
|
|
|
/// Intrinsic Namespace - This namespace contains an enum with a value for
|
|
/// every intrinsic/builtin function known by LLVM. These enum values are
|
|
/// returned by Function::getIntrinsicID().
|
|
///
|
|
namespace Intrinsic {
|
|
enum ID {
|
|
not_intrinsic = 0, // Must be zero
|
|
|
|
// Get the intrinsic enums generated from Intrinsics.td
|
|
#define GET_INTRINSIC_ENUM_VALUES
|
|
#include "llvm/Intrinsics.gen"
|
|
#undef GET_INTRINSIC_ENUM_VALUES
|
|
, num_intrinsics
|
|
};
|
|
|
|
/// Intrinsic::getName(ID) - Return the LLVM name for an intrinsic, such as
|
|
/// "llvm.ppc.altivec.lvx".
|
|
std::string getName(ID id, ArrayRef<Type*> Tys = ArrayRef<Type*>());
|
|
|
|
/// Intrinsic::getType(ID) - Return the function type for an intrinsic.
|
|
///
|
|
FunctionType *getType(LLVMContext &Context, ID id,
|
|
ArrayRef<Type*> Tys = ArrayRef<Type*>());
|
|
|
|
/// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be
|
|
/// overloaded.
|
|
bool isOverloaded(ID id);
|
|
|
|
/// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic.
|
|
///
|
|
AttrListPtr getAttributes(ID id);
|
|
|
|
/// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function
|
|
/// declaration for an intrinsic, and return it.
|
|
///
|
|
/// The Tys and numTys parameters are for intrinsics with overloaded types
|
|
/// (e.g., those using iAny, fAny, vAny, or iPTRAny). For a declaration for an
|
|
/// overloaded intrinsic, Tys should point to an array of numTys pointers to
|
|
/// Type, and must provide exactly one type for each overloaded type in the
|
|
/// intrinsic.
|
|
Function *getDeclaration(Module *M, ID id,
|
|
ArrayRef<Type*> Tys = ArrayRef<Type*>());
|
|
|
|
/// Map a GCC builtin name to an intrinsic ID.
|
|
ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
|
|
|
|
/// IITDescriptor - This is a type descriptor which explains the type
|
|
/// requirements of an intrinsic. This is returned by
|
|
/// getIntrinsicInfoTableEntries.
|
|
struct IITDescriptor {
|
|
enum IITDescriptorKind {
|
|
Void, MMX, Metadata, Float, Double,
|
|
Integer, Vector, Pointer, Struct,
|
|
Argument, ExtendVecArgument, TruncVecArgument
|
|
} Kind;
|
|
|
|
union {
|
|
unsigned Integer_Width;
|
|
unsigned Float_Width;
|
|
unsigned Vector_Width;
|
|
unsigned Pointer_AddressSpace;
|
|
unsigned Struct_NumElements;
|
|
unsigned Argument_Info;
|
|
};
|
|
|
|
enum ArgKind {
|
|
AK_AnyInteger,
|
|
AK_AnyFloat,
|
|
AK_AnyVector,
|
|
AK_AnyPointer
|
|
};
|
|
unsigned getArgumentNumber() const {
|
|
assert(Kind == Argument || Kind == ExtendVecArgument ||
|
|
Kind == TruncVecArgument);
|
|
return Argument_Info >> 2;
|
|
}
|
|
ArgKind getArgumentKind() const {
|
|
assert(Kind == Argument || Kind == ExtendVecArgument ||
|
|
Kind == TruncVecArgument);
|
|
return (ArgKind)(Argument_Info&3);
|
|
}
|
|
|
|
static IITDescriptor get(IITDescriptorKind K, unsigned Field) {
|
|
IITDescriptor Result = { K, { Field } };
|
|
return Result;
|
|
}
|
|
};
|
|
|
|
/// getIntrinsicInfoTableEntries - Return the IIT table descriptor for the
|
|
/// specified intrinsic into an array of IITDescriptors.
|
|
///
|
|
void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl<IITDescriptor> &T);
|
|
|
|
} // End Intrinsic namespace
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|