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//===- BlackfinIntrinsicInfo.cpp - Intrinsic Information --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Blackfin implementation of TargetIntrinsicInfo.
//
//===----------------------------------------------------------------------===//
#include "BlackfinIntrinsicInfo.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Intrinsics.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
using namespace llvm;
namespace bfinIntrinsic {
enum ID {
last_non_bfin_intrinsic = Intrinsic::num_intrinsics-1,
#define GET_INTRINSIC_ENUM_VALUES
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_ENUM_VALUES
, num_bfin_intrinsics
};
}
std::string BlackfinIntrinsicInfo::getName(unsigned IntrID, const Type **Tys,
unsigned numTys) const {
static const char *const names[] = {
#define GET_INTRINSIC_NAME_TABLE
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_NAME_TABLE
};
assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
if (IntrID < Intrinsic::num_intrinsics)
return 0;
assert(IntrID < bfinIntrinsic::num_bfin_intrinsics && "Invalid intrinsic ID");
std::string Result(names[IntrID - Intrinsic::num_intrinsics]);
return Result;
}
unsigned
BlackfinIntrinsicInfo::lookupName(const char *Name, unsigned Len) const {
if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l'
|| Name[2] != 'v' || Name[3] != 'm')
return 0; // All intrinsics start with 'llvm.'
#define GET_FUNCTION_RECOGNIZER
#include "BlackfinGenIntrinsics.inc"
#undef GET_FUNCTION_RECOGNIZER
return 0;
}
bool BlackfinIntrinsicInfo::isOverloaded(unsigned IntrID) const {
// Overload Table
const bool OTable[] = {
#define GET_INTRINSIC_OVERLOAD_TABLE
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_OVERLOAD_TABLE
};
if (IntrID == 0)
return false;
else
return OTable[IntrID - Intrinsic::num_intrinsics];
}
/// This defines the "getAttributes(ID id)" method.
#define GET_INTRINSIC_ATTRIBUTES
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_ATTRIBUTES
static const FunctionType *getType(LLVMContext &Context, unsigned id) {
const Type *ResultTy = NULL;
std::vector<Type*> ArgTys;
bool IsVarArg = false;
#define GET_INTRINSIC_GENERATOR
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_GENERATOR
return FunctionType::get(ResultTy, ArgTys, IsVarArg);
}
Function *BlackfinIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
const Type **Tys,
unsigned numTy) const {
assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
AttrListPtr AList = getAttributes((bfinIntrinsic::ID) IntrID);
return cast<Function>(M->getOrInsertFunction(getName(IntrID),
getType(M->getContext(), IntrID),
AList));
}
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