| 1 | //===- Chipset.cpp - AMDGPU Chipset version struct parsing ----------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "mlir/Dialect/AMDGPU/Utils/Chipset.h" |
| 10 | #include "llvm/ADT/StringRef.h" |
| 11 | |
| 12 | namespace mlir::amdgpu { |
| 13 | |
| 14 | FailureOr<Chipset> Chipset::parse(StringRef name) { |
| 15 | if (!name.consume_front(Prefix: "gfx")) |
| 16 | return failure(); |
| 17 | if (name.size() < 3) |
| 18 | return failure(); |
| 19 | |
| 20 | unsigned major = 0; |
| 21 | unsigned minor = 0; |
| 22 | unsigned stepping = 0; |
| 23 | |
| 24 | StringRef majorRef = name.drop_back(N: 2); |
| 25 | StringRef minorRef = name.take_back(N: 2).drop_back(N: 1); |
| 26 | StringRef steppingRef = name.take_back(N: 1); |
| 27 | if (majorRef.getAsInteger(Radix: 10, Result&: major)) |
| 28 | return failure(); |
| 29 | if (minorRef.getAsInteger(Radix: 16, Result&: minor)) |
| 30 | return failure(); |
| 31 | if (steppingRef.getAsInteger(Radix: 16, Result&: stepping)) |
| 32 | return failure(); |
| 33 | return Chipset(major, minor, stepping); |
| 34 | } |
| 35 | |
| 36 | } // namespace mlir::amdgpu |
| 37 |