1 //==-- LoongArch64TargetParser - Parser for LoongArch64 features --*- C++ -*-=//
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 // This file implements a target parser to recognise LoongArch hardware features
10 // such as CPU/ARCH and extension names.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/TargetParser/LoongArchTargetParser.h"
15 
16 using namespace llvm;
17 using namespace llvm::LoongArch;
18 
19 const FeatureInfo AllFeatures[] = {
20 #define LOONGARCH_FEATURE(NAME, KIND) {NAME, KIND},
21 #include "llvm/TargetParser/LoongArchTargetParser.def"
22 };
23 
24 const ArchInfo AllArchs[] = {
25 #define LOONGARCH_ARCH(NAME, KIND, FEATURES)                                   \
26   {NAME, LoongArch::ArchKind::KIND, FEATURES},
27 #include "llvm/TargetParser/LoongArchTargetParser.def"
28 };
29 
30 LoongArch::ArchKind LoongArch::parseArch(StringRef Arch) {
31   for (const auto A : AllArchs)
32     if (A.Name == Arch)
33       return A.Kind;
34 
35   return LoongArch::ArchKind::AK_INVALID;
36 }
37 
38 bool LoongArch::getArchFeatures(StringRef Arch,
39                                 std::vector<StringRef> &Features) {
40   for (const auto A : AllArchs) {
41     if (A.Name == Arch) {
42       for (const auto F : AllFeatures)
43         if ((A.Features & F.Kind) == F.Kind && F.Kind != FK_INVALID)
44           Features.push_back(F.Name);
45       return true;
46     }
47   }
48   return false;
49 }
50