mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
b31322328a
No functional changes. The documentation is coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224829 91177308-0d34-0410-b5e6-96231b3b80d8
126 lines
4.0 KiB
C++
126 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_IR_INTRINSICS_H
|
|
#define LLVM_IR_INTRINSICS_H
|
|
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
|
|
class Type;
|
|
class FunctionType;
|
|
class Function;
|
|
class LLVMContext;
|
|
class Module;
|
|
class AttributeSet;
|
|
|
|
/// This namespace contains an enum with a value for every intrinsic/builtin
|
|
/// function known by LLVM. The 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/IR/Intrinsics.gen"
|
|
#undef GET_INTRINSIC_ENUM_VALUES
|
|
, num_intrinsics
|
|
};
|
|
|
|
/// Return the LLVM name for an intrinsic, such as "llvm.ppc.altivec.lvx".
|
|
std::string getName(ID id, ArrayRef<Type*> Tys = None);
|
|
|
|
/// Return the function type for an intrinsic.
|
|
FunctionType *getType(LLVMContext &Context, ID id,
|
|
ArrayRef<Type*> Tys = None);
|
|
|
|
/// Returns true if the intrinsic can be overloaded.
|
|
bool isOverloaded(ID id);
|
|
|
|
/// Return the attributes for an intrinsic.
|
|
AttributeSet getAttributes(LLVMContext &C, ID id);
|
|
|
|
/// Create or insert an LLVM Function declaration for an intrinsic, and return
|
|
/// it.
|
|
///
|
|
/// The Tys parameter is for intrinsics with overloaded types (e.g., those
|
|
/// using iAny, fAny, vAny, or iPTRAny). For a declaration of an overloaded
|
|
/// intrinsic, Tys must provide exactly one type for each overloaded type in
|
|
/// the intrinsic.
|
|
Function *getDeclaration(Module *M, ID id, ArrayRef<Type*> Tys = None);
|
|
|
|
/// Map a GCC builtin name to an intrinsic ID.
|
|
ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
|
|
|
|
/// Map a MS builtin name to an intrinsic ID.
|
|
ID getIntrinsicForMSBuiltin(const char *Prefix, const char *BuiltinName);
|
|
|
|
/// This is a type descriptor which explains the type requirements of an
|
|
/// intrinsic. This is returned by getIntrinsicInfoTableEntries.
|
|
struct IITDescriptor {
|
|
enum IITDescriptorKind {
|
|
Void, VarArg, MMX, Metadata, Half, Float, Double,
|
|
Integer, Vector, Pointer, Struct,
|
|
Argument, ExtendArgument, TruncArgument, HalfVecArgument,
|
|
SameVecWidthArgument, PtrToArgument
|
|
} 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 == ExtendArgument ||
|
|
Kind == TruncArgument || Kind == HalfVecArgument ||
|
|
Kind == SameVecWidthArgument || Kind == PtrToArgument);
|
|
return Argument_Info >> 2;
|
|
}
|
|
ArgKind getArgumentKind() const {
|
|
assert(Kind == Argument || Kind == ExtendArgument ||
|
|
Kind == TruncArgument || Kind == HalfVecArgument ||
|
|
Kind == SameVecWidthArgument || Kind == PtrToArgument);
|
|
return (ArgKind)(Argument_Info & 3);
|
|
}
|
|
|
|
static IITDescriptor get(IITDescriptorKind K, unsigned Field) {
|
|
IITDescriptor Result = { K, { Field } };
|
|
return Result;
|
|
}
|
|
};
|
|
|
|
/// 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
|