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//===- TargetFeaturesEmitter.h- Generate CPU Target features ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Defines the TargetFeaturesEmitter class, which is used to export
// CPU target features and CPU subtypes.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_UTILS_TABLEGEN_BASIC_EMITTARGETFEATURE_H
#define LLVM_UTILS_TABLEGEN_BASIC_EMITTARGETFEATURE_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/TableGen/Record.h"
namespace llvm {
/// Sorting predicate to sort record pointers by their
/// FieldName field.
struct LessRecordFieldFieldName {
bool operator()(const Record *Rec1, const Record *Rec2) const {
return Rec1->getValueAsString("FieldName") <
Rec2->getValueAsString("FieldName");
}
};
using FeatureMapTy = DenseMap<const Record *, unsigned>;
class TargetFeaturesEmitter {
protected:
const RecordKeeper &Records;
std::string Target;
public:
TargetFeaturesEmitter(const RecordKeeper &R);
static void printFeatureMask(raw_ostream &OS,
ArrayRef<const Record *> FeatureList,
const FeatureMapTy &FeatureMap);
FeatureMapTy enumeration(raw_ostream &OS);
void printFeatureKeyValues(raw_ostream &OS, const FeatureMapTy &FeatureMap);
void printCPUKeyValues(raw_ostream &OS, const FeatureMapTy &FeatureMap);
virtual void run(raw_ostream &O);
virtual ~TargetFeaturesEmitter() {};
};
} // namespace llvm
#endif
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