File: Chipset.cpp

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//===- Chipset.cpp - AMDGPU Chipset version struct parsing -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/AMDGPU/Utils/Chipset.h"
#include "mlir/Support/LLVM.h"
#include "llvm/ADT/StringRef.h"

using namespace mlir;
using namespace mlir::amdgpu;

FailureOr<Chipset> Chipset::parse(StringRef name) {
  if (!name.startswith("gfx"))
    return failure();
  unsigned major = 0;
  unsigned minor = 0;
  StringRef majorRef = name.drop_front(3).drop_back(2);
  StringRef minorRef = name.take_back(2);
  if (majorRef.getAsInteger(10, major))
    return failure();
  if (minorRef.getAsInteger(16, minor))
    return failure();
  return Chipset(major, minor);
}