llvm-project/mlir/lib/Conversion/AMDGPUToROCDL/Chipset.cpp

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C++

//===- 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/Conversion/AMDGPUToROCDL/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);
}