1//===-- TargetParser - Parser for target 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 hardware features such as
10// FPU/CPU/ARCH names as well as specific support such as HDIV, etc.
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/TargetParser/TargetParser.h"
15#include "llvm/ADT/ArrayRef.h"
16#include "llvm/TargetParser/Triple.h"
17
18using namespace llvm;
19using namespace AMDGPU;
20
21/// Find KV in array using binary search.
22static const BasicSubtargetSubTypeKV *
23find(StringRef S, ArrayRef<BasicSubtargetSubTypeKV> A) {
24 // Binary search the array
25 auto F = llvm::lower_bound(Range&: A, Value&: S);
26 // If not found then return NULL
27 if (F == A.end() || StringRef(F->Key) != S)
28 return nullptr;
29 // Return the found array item
30 return F;
31}
32
33/// For each feature that is (transitively) implied by this feature, set it.
34static void setImpliedBits(FeatureBitset &Bits, const FeatureBitset &Implies,
35 ArrayRef<BasicSubtargetFeatureKV> FeatureTable) {
36 // OR the Implies bits in outside the loop. This allows the Implies for CPUs
37 // which might imply features not in FeatureTable to use this.
38 Bits |= Implies;
39 for (const auto &FE : FeatureTable)
40 if (Implies.test(I: FE.Value))
41 setImpliedBits(Bits, Implies: FE.Implies.getAsBitset(), FeatureTable);
42}
43
44std::optional<llvm::StringMap<bool>> llvm::getCPUDefaultTargetFeatures(
45 StringRef CPU, ArrayRef<BasicSubtargetSubTypeKV> ProcDesc,
46 ArrayRef<BasicSubtargetFeatureKV> ProcFeatures) {
47 if (CPU.empty())
48 return std::nullopt;
49
50 const BasicSubtargetSubTypeKV *CPUEntry = ::find(S: CPU, A: ProcDesc);
51 if (!CPUEntry)
52 return std::nullopt;
53
54 // Set the features implied by this CPU feature if there is a match.
55 FeatureBitset Bits;
56 llvm::StringMap<bool> DefaultFeatures;
57 setImpliedBits(Bits, Implies: CPUEntry->Implies.getAsBitset(), FeatureTable: ProcFeatures);
58
59 [[maybe_unused]] unsigned BitSize = Bits.size();
60 for (const BasicSubtargetFeatureKV &FE : ProcFeatures) {
61 assert(FE.Value < BitSize && "Target Feature is out of range");
62 if (Bits[FE.Value])
63 DefaultFeatures[FE.Key] = true;
64 }
65 return DefaultFeatures;
66}
67
68namespace {
69
70struct GPUInfo {
71 StringLiteral Name;
72 StringLiteral CanonicalName;
73 AMDGPU::GPUKind Kind;
74 unsigned Features;
75};
76
77constexpr GPUInfo R600GPUs[] = {
78 // Name Canonical Kind Features
79 // Name
80 {.Name: {"r600"}, .CanonicalName: {"r600"}, .Kind: GK_R600, .Features: FEATURE_NONE },
81 {.Name: {"rv630"}, .CanonicalName: {"r600"}, .Kind: GK_R600, .Features: FEATURE_NONE },
82 {.Name: {"rv635"}, .CanonicalName: {"r600"}, .Kind: GK_R600, .Features: FEATURE_NONE },
83 {.Name: {"r630"}, .CanonicalName: {"r630"}, .Kind: GK_R630, .Features: FEATURE_NONE },
84 {.Name: {"rs780"}, .CanonicalName: {"rs880"}, .Kind: GK_RS880, .Features: FEATURE_NONE },
85 {.Name: {"rs880"}, .CanonicalName: {"rs880"}, .Kind: GK_RS880, .Features: FEATURE_NONE },
86 {.Name: {"rv610"}, .CanonicalName: {"rs880"}, .Kind: GK_RS880, .Features: FEATURE_NONE },
87 {.Name: {"rv620"}, .CanonicalName: {"rs880"}, .Kind: GK_RS880, .Features: FEATURE_NONE },
88 {.Name: {"rv670"}, .CanonicalName: {"rv670"}, .Kind: GK_RV670, .Features: FEATURE_NONE },
89 {.Name: {"rv710"}, .CanonicalName: {"rv710"}, .Kind: GK_RV710, .Features: FEATURE_NONE },
90 {.Name: {"rv730"}, .CanonicalName: {"rv730"}, .Kind: GK_RV730, .Features: FEATURE_NONE },
91 {.Name: {"rv740"}, .CanonicalName: {"rv770"}, .Kind: GK_RV770, .Features: FEATURE_NONE },
92 {.Name: {"rv770"}, .CanonicalName: {"rv770"}, .Kind: GK_RV770, .Features: FEATURE_NONE },
93 {.Name: {"cedar"}, .CanonicalName: {"cedar"}, .Kind: GK_CEDAR, .Features: FEATURE_NONE },
94 {.Name: {"palm"}, .CanonicalName: {"cedar"}, .Kind: GK_CEDAR, .Features: FEATURE_NONE },
95 {.Name: {"cypress"}, .CanonicalName: {"cypress"}, .Kind: GK_CYPRESS, .Features: FEATURE_FMA },
96 {.Name: {"hemlock"}, .CanonicalName: {"cypress"}, .Kind: GK_CYPRESS, .Features: FEATURE_FMA },
97 {.Name: {"juniper"}, .CanonicalName: {"juniper"}, .Kind: GK_JUNIPER, .Features: FEATURE_NONE },
98 {.Name: {"redwood"}, .CanonicalName: {"redwood"}, .Kind: GK_REDWOOD, .Features: FEATURE_NONE },
99 {.Name: {"sumo"}, .CanonicalName: {"sumo"}, .Kind: GK_SUMO, .Features: FEATURE_NONE },
100 {.Name: {"sumo2"}, .CanonicalName: {"sumo"}, .Kind: GK_SUMO, .Features: FEATURE_NONE },
101 {.Name: {"barts"}, .CanonicalName: {"barts"}, .Kind: GK_BARTS, .Features: FEATURE_NONE },
102 {.Name: {"caicos"}, .CanonicalName: {"caicos"}, .Kind: GK_CAICOS, .Features: FEATURE_NONE },
103 {.Name: {"aruba"}, .CanonicalName: {"cayman"}, .Kind: GK_CAYMAN, .Features: FEATURE_FMA },
104 {.Name: {"cayman"}, .CanonicalName: {"cayman"}, .Kind: GK_CAYMAN, .Features: FEATURE_FMA },
105 {.Name: {"turks"}, .CanonicalName: {"turks"}, .Kind: GK_TURKS, .Features: FEATURE_NONE }
106};
107
108// This table should be sorted by the value of GPUKind
109// Don't bother listing the implicitly true features
110constexpr GPUInfo AMDGCNGPUs[] = {
111 // clang-format off
112 // Name Canonical Kind Features
113 // Name
114 {.Name: {"gfx600"}, .CanonicalName: {"gfx600"}, .Kind: GK_GFX600, .Features: FEATURE_FAST_FMA_F32},
115 {.Name: {"tahiti"}, .CanonicalName: {"gfx600"}, .Kind: GK_GFX600, .Features: FEATURE_FAST_FMA_F32},
116 {.Name: {"gfx601"}, .CanonicalName: {"gfx601"}, .Kind: GK_GFX601, .Features: FEATURE_NONE},
117 {.Name: {"pitcairn"}, .CanonicalName: {"gfx601"}, .Kind: GK_GFX601, .Features: FEATURE_NONE},
118 {.Name: {"verde"}, .CanonicalName: {"gfx601"}, .Kind: GK_GFX601, .Features: FEATURE_NONE},
119 {.Name: {"gfx602"}, .CanonicalName: {"gfx602"}, .Kind: GK_GFX602, .Features: FEATURE_NONE},
120 {.Name: {"hainan"}, .CanonicalName: {"gfx602"}, .Kind: GK_GFX602, .Features: FEATURE_NONE},
121 {.Name: {"oland"}, .CanonicalName: {"gfx602"}, .Kind: GK_GFX602, .Features: FEATURE_NONE},
122 {.Name: {"gfx700"}, .CanonicalName: {"gfx700"}, .Kind: GK_GFX700, .Features: FEATURE_NONE},
123 {.Name: {"kaveri"}, .CanonicalName: {"gfx700"}, .Kind: GK_GFX700, .Features: FEATURE_NONE},
124 {.Name: {"gfx701"}, .CanonicalName: {"gfx701"}, .Kind: GK_GFX701, .Features: FEATURE_FAST_FMA_F32},
125 {.Name: {"hawaii"}, .CanonicalName: {"gfx701"}, .Kind: GK_GFX701, .Features: FEATURE_FAST_FMA_F32},
126 {.Name: {"gfx702"}, .CanonicalName: {"gfx702"}, .Kind: GK_GFX702, .Features: FEATURE_FAST_FMA_F32},
127 {.Name: {"gfx703"}, .CanonicalName: {"gfx703"}, .Kind: GK_GFX703, .Features: FEATURE_NONE},
128 {.Name: {"kabini"}, .CanonicalName: {"gfx703"}, .Kind: GK_GFX703, .Features: FEATURE_NONE},
129 {.Name: {"mullins"}, .CanonicalName: {"gfx703"}, .Kind: GK_GFX703, .Features: FEATURE_NONE},
130 {.Name: {"gfx704"}, .CanonicalName: {"gfx704"}, .Kind: GK_GFX704, .Features: FEATURE_NONE},
131 {.Name: {"bonaire"}, .CanonicalName: {"gfx704"}, .Kind: GK_GFX704, .Features: FEATURE_NONE},
132 {.Name: {"gfx705"}, .CanonicalName: {"gfx705"}, .Kind: GK_GFX705, .Features: FEATURE_NONE},
133 {.Name: {"gfx801"}, .CanonicalName: {"gfx801"}, .Kind: GK_GFX801, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
134 {.Name: {"carrizo"}, .CanonicalName: {"gfx801"}, .Kind: GK_GFX801, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
135 {.Name: {"gfx802"}, .CanonicalName: {"gfx802"}, .Kind: GK_GFX802, .Features: FEATURE_FAST_DENORMAL_F32},
136 {.Name: {"iceland"}, .CanonicalName: {"gfx802"}, .Kind: GK_GFX802, .Features: FEATURE_FAST_DENORMAL_F32},
137 {.Name: {"tonga"}, .CanonicalName: {"gfx802"}, .Kind: GK_GFX802, .Features: FEATURE_FAST_DENORMAL_F32},
138 {.Name: {"gfx803"}, .CanonicalName: {"gfx803"}, .Kind: GK_GFX803, .Features: FEATURE_FAST_DENORMAL_F32},
139 {.Name: {"fiji"}, .CanonicalName: {"gfx803"}, .Kind: GK_GFX803, .Features: FEATURE_FAST_DENORMAL_F32},
140 {.Name: {"polaris10"}, .CanonicalName: {"gfx803"}, .Kind: GK_GFX803, .Features: FEATURE_FAST_DENORMAL_F32},
141 {.Name: {"polaris11"}, .CanonicalName: {"gfx803"}, .Kind: GK_GFX803, .Features: FEATURE_FAST_DENORMAL_F32},
142 {.Name: {"gfx805"}, .CanonicalName: {"gfx805"}, .Kind: GK_GFX805, .Features: FEATURE_FAST_DENORMAL_F32},
143 {.Name: {"tongapro"}, .CanonicalName: {"gfx805"}, .Kind: GK_GFX805, .Features: FEATURE_FAST_DENORMAL_F32},
144 {.Name: {"gfx810"}, .CanonicalName: {"gfx810"}, .Kind: GK_GFX810, .Features: FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
145 {.Name: {"stoney"}, .CanonicalName: {"gfx810"}, .Kind: GK_GFX810, .Features: FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
146 {.Name: {"gfx900"}, .CanonicalName: {"gfx900"}, .Kind: GK_GFX900, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
147 {.Name: {"gfx902"}, .CanonicalName: {"gfx902"}, .Kind: GK_GFX902, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
148 {.Name: {"gfx904"}, .CanonicalName: {"gfx904"}, .Kind: GK_GFX904, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
149 {.Name: {"gfx906"}, .CanonicalName: {"gfx906"}, .Kind: GK_GFX906, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
150 {.Name: {"gfx908"}, .CanonicalName: {"gfx908"}, .Kind: GK_GFX908, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
151 {.Name: {"gfx909"}, .CanonicalName: {"gfx909"}, .Kind: GK_GFX909, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
152 {.Name: {"gfx90a"}, .CanonicalName: {"gfx90a"}, .Kind: GK_GFX90A, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
153 {.Name: {"gfx90c"}, .CanonicalName: {"gfx90c"}, .Kind: GK_GFX90C, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
154 {.Name: {"gfx942"}, .CanonicalName: {"gfx942"}, .Kind: GK_GFX942, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
155 {.Name: {"gfx950"}, .CanonicalName: {"gfx950"}, .Kind: GK_GFX950, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
156 {.Name: {"gfx1010"}, .CanonicalName: {"gfx1010"}, .Kind: GK_GFX1010, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_XNACK|FEATURE_WGP},
157 {.Name: {"gfx1011"}, .CanonicalName: {"gfx1011"}, .Kind: GK_GFX1011, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_XNACK|FEATURE_WGP},
158 {.Name: {"gfx1012"}, .CanonicalName: {"gfx1012"}, .Kind: GK_GFX1012, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_XNACK|FEATURE_WGP},
159 {.Name: {"gfx1013"}, .CanonicalName: {"gfx1013"}, .Kind: GK_GFX1013, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_XNACK|FEATURE_WGP},
160 {.Name: {"gfx1030"}, .CanonicalName: {"gfx1030"}, .Kind: GK_GFX1030, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
161 {.Name: {"gfx1031"}, .CanonicalName: {"gfx1031"}, .Kind: GK_GFX1031, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
162 {.Name: {"gfx1032"}, .CanonicalName: {"gfx1032"}, .Kind: GK_GFX1032, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
163 {.Name: {"gfx1033"}, .CanonicalName: {"gfx1033"}, .Kind: GK_GFX1033, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
164 {.Name: {"gfx1034"}, .CanonicalName: {"gfx1034"}, .Kind: GK_GFX1034, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
165 {.Name: {"gfx1035"}, .CanonicalName: {"gfx1035"}, .Kind: GK_GFX1035, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
166 {.Name: {"gfx1036"}, .CanonicalName: {"gfx1036"}, .Kind: GK_GFX1036, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
167 {.Name: {"gfx1100"}, .CanonicalName: {"gfx1100"}, .Kind: GK_GFX1100, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
168 {.Name: {"gfx1101"}, .CanonicalName: {"gfx1101"}, .Kind: GK_GFX1101, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
169 {.Name: {"gfx1102"}, .CanonicalName: {"gfx1102"}, .Kind: GK_GFX1102, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
170 {.Name: {"gfx1103"}, .CanonicalName: {"gfx1103"}, .Kind: GK_GFX1103, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
171 {.Name: {"gfx1150"}, .CanonicalName: {"gfx1150"}, .Kind: GK_GFX1150, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
172 {.Name: {"gfx1151"}, .CanonicalName: {"gfx1151"}, .Kind: GK_GFX1151, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
173 {.Name: {"gfx1152"}, .CanonicalName: {"gfx1152"}, .Kind: GK_GFX1152, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
174 {.Name: {"gfx1153"}, .CanonicalName: {"gfx1153"}, .Kind: GK_GFX1153, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
175 {.Name: {"gfx1200"}, .CanonicalName: {"gfx1200"}, .Kind: GK_GFX1200, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
176 {.Name: {"gfx1201"}, .CanonicalName: {"gfx1201"}, .Kind: GK_GFX1201, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
177 {.Name: {"gfx1250"}, .CanonicalName: {"gfx1250"}, .Kind: GK_GFX1250, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32},
178
179 {.Name: {"gfx9-generic"}, .CanonicalName: {"gfx9-generic"}, .Kind: GK_GFX9_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK},
180 {.Name: {"gfx10-1-generic"}, .CanonicalName: {"gfx10-1-generic"}, .Kind: GK_GFX10_1_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_XNACK|FEATURE_WGP},
181 {.Name: {"gfx10-3-generic"}, .CanonicalName: {"gfx10-3-generic"}, .Kind: GK_GFX10_3_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
182 {.Name: {"gfx11-generic"}, .CanonicalName: {"gfx11-generic"}, .Kind: GK_GFX11_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
183 {.Name: {"gfx12-generic"}, .CanonicalName: {"gfx12-generic"}, .Kind: GK_GFX12_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32|FEATURE_WGP},
184 {.Name: {"gfx9-4-generic"}, .CanonicalName: {"gfx9-4-generic"}, .Kind: GK_GFX9_4_GENERIC, .Features: FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_XNACK|FEATURE_SRAMECC},
185 // clang-format on
186};
187
188const GPUInfo *getArchEntry(AMDGPU::GPUKind AK, ArrayRef<GPUInfo> Table) {
189 GPUInfo Search = { .Name: {""}, .CanonicalName: {""}, .Kind: AK, .Features: AMDGPU::FEATURE_NONE };
190
191 auto I =
192 llvm::lower_bound(Range&: Table, Value&: Search, C: [](const GPUInfo &A, const GPUInfo &B) {
193 return A.Kind < B.Kind;
194 });
195
196 if (I == Table.end() || I->Kind != Search.Kind)
197 return nullptr;
198 return I;
199}
200
201} // namespace
202
203StringRef llvm::AMDGPU::getArchFamilyNameAMDGCN(GPUKind AK) {
204 switch (AK) {
205 case AMDGPU::GK_GFX9_GENERIC:
206 case AMDGPU::GK_GFX9_4_GENERIC:
207 return "gfx9";
208 case AMDGPU::GK_GFX10_1_GENERIC:
209 case AMDGPU::GK_GFX10_3_GENERIC:
210 return "gfx10";
211 case AMDGPU::GK_GFX11_GENERIC:
212 return "gfx11";
213 case AMDGPU::GK_GFX12_GENERIC:
214 return "gfx12";
215 default: {
216 StringRef ArchName = getArchNameAMDGCN(AK);
217 return ArchName.empty() ? "" : ArchName.drop_back(N: 2);
218 }
219 }
220}
221
222StringRef llvm::AMDGPU::getArchNameAMDGCN(GPUKind AK) {
223 if (const auto *Entry = getArchEntry(AK, Table: AMDGCNGPUs))
224 return Entry->CanonicalName;
225 return "";
226}
227
228StringRef llvm::AMDGPU::getArchNameR600(GPUKind AK) {
229 if (const auto *Entry = getArchEntry(AK, Table: R600GPUs))
230 return Entry->CanonicalName;
231 return "";
232}
233
234AMDGPU::GPUKind llvm::AMDGPU::parseArchAMDGCN(StringRef CPU) {
235 for (const auto &C : AMDGCNGPUs) {
236 if (CPU == C.Name)
237 return C.Kind;
238 }
239
240 return AMDGPU::GPUKind::GK_NONE;
241}
242
243AMDGPU::GPUKind llvm::AMDGPU::parseArchR600(StringRef CPU) {
244 for (const auto &C : R600GPUs) {
245 if (CPU == C.Name)
246 return C.Kind;
247 }
248
249 return AMDGPU::GPUKind::GK_NONE;
250}
251
252unsigned AMDGPU::getArchAttrAMDGCN(GPUKind AK) {
253 if (const auto *Entry = getArchEntry(AK, Table: AMDGCNGPUs))
254 return Entry->Features;
255 return FEATURE_NONE;
256}
257
258unsigned AMDGPU::getArchAttrR600(GPUKind AK) {
259 if (const auto *Entry = getArchEntry(AK, Table: R600GPUs))
260 return Entry->Features;
261 return FEATURE_NONE;
262}
263
264void AMDGPU::fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values) {
265 // XXX: Should this only report unique canonical names?
266 for (const auto &C : AMDGCNGPUs)
267 Values.push_back(Elt: C.Name);
268}
269
270void AMDGPU::fillValidArchListR600(SmallVectorImpl<StringRef> &Values) {
271 for (const auto &C : R600GPUs)
272 Values.push_back(Elt: C.Name);
273}
274
275AMDGPU::IsaVersion AMDGPU::getIsaVersion(StringRef GPU) {
276 AMDGPU::GPUKind AK = parseArchAMDGCN(CPU: GPU);
277 if (AK == AMDGPU::GPUKind::GK_NONE) {
278 if (GPU == "generic-hsa")
279 return {.Major: 7, .Minor: 0, .Stepping: 0};
280 if (GPU == "generic")
281 return {.Major: 6, .Minor: 0, .Stepping: 0};
282 return {.Major: 0, .Minor: 0, .Stepping: 0};
283 }
284
285 // clang-format off
286 switch (AK) {
287 case GK_GFX600: return {.Major: 6, .Minor: 0, .Stepping: 0};
288 case GK_GFX601: return {.Major: 6, .Minor: 0, .Stepping: 1};
289 case GK_GFX602: return {.Major: 6, .Minor: 0, .Stepping: 2};
290 case GK_GFX700: return {.Major: 7, .Minor: 0, .Stepping: 0};
291 case GK_GFX701: return {.Major: 7, .Minor: 0, .Stepping: 1};
292 case GK_GFX702: return {.Major: 7, .Minor: 0, .Stepping: 2};
293 case GK_GFX703: return {.Major: 7, .Minor: 0, .Stepping: 3};
294 case GK_GFX704: return {.Major: 7, .Minor: 0, .Stepping: 4};
295 case GK_GFX705: return {.Major: 7, .Minor: 0, .Stepping: 5};
296 case GK_GFX801: return {.Major: 8, .Minor: 0, .Stepping: 1};
297 case GK_GFX802: return {.Major: 8, .Minor: 0, .Stepping: 2};
298 case GK_GFX803: return {.Major: 8, .Minor: 0, .Stepping: 3};
299 case GK_GFX805: return {.Major: 8, .Minor: 0, .Stepping: 5};
300 case GK_GFX810: return {.Major: 8, .Minor: 1, .Stepping: 0};
301 case GK_GFX900: return {.Major: 9, .Minor: 0, .Stepping: 0};
302 case GK_GFX902: return {.Major: 9, .Minor: 0, .Stepping: 2};
303 case GK_GFX904: return {.Major: 9, .Minor: 0, .Stepping: 4};
304 case GK_GFX906: return {.Major: 9, .Minor: 0, .Stepping: 6};
305 case GK_GFX908: return {.Major: 9, .Minor: 0, .Stepping: 8};
306 case GK_GFX909: return {.Major: 9, .Minor: 0, .Stepping: 9};
307 case GK_GFX90A: return {.Major: 9, .Minor: 0, .Stepping: 10};
308 case GK_GFX90C: return {.Major: 9, .Minor: 0, .Stepping: 12};
309 case GK_GFX942: return {.Major: 9, .Minor: 4, .Stepping: 2};
310 case GK_GFX950: return {.Major: 9, .Minor: 5, .Stepping: 0};
311 case GK_GFX1010: return {.Major: 10, .Minor: 1, .Stepping: 0};
312 case GK_GFX1011: return {.Major: 10, .Minor: 1, .Stepping: 1};
313 case GK_GFX1012: return {.Major: 10, .Minor: 1, .Stepping: 2};
314 case GK_GFX1013: return {.Major: 10, .Minor: 1, .Stepping: 3};
315 case GK_GFX1030: return {.Major: 10, .Minor: 3, .Stepping: 0};
316 case GK_GFX1031: return {.Major: 10, .Minor: 3, .Stepping: 1};
317 case GK_GFX1032: return {.Major: 10, .Minor: 3, .Stepping: 2};
318 case GK_GFX1033: return {.Major: 10, .Minor: 3, .Stepping: 3};
319 case GK_GFX1034: return {.Major: 10, .Minor: 3, .Stepping: 4};
320 case GK_GFX1035: return {.Major: 10, .Minor: 3, .Stepping: 5};
321 case GK_GFX1036: return {.Major: 10, .Minor: 3, .Stepping: 6};
322 case GK_GFX1100: return {.Major: 11, .Minor: 0, .Stepping: 0};
323 case GK_GFX1101: return {.Major: 11, .Minor: 0, .Stepping: 1};
324 case GK_GFX1102: return {.Major: 11, .Minor: 0, .Stepping: 2};
325 case GK_GFX1103: return {.Major: 11, .Minor: 0, .Stepping: 3};
326 case GK_GFX1150: return {.Major: 11, .Minor: 5, .Stepping: 0};
327 case GK_GFX1151: return {.Major: 11, .Minor: 5, .Stepping: 1};
328 case GK_GFX1152: return {.Major: 11, .Minor: 5, .Stepping: 2};
329 case GK_GFX1153: return {.Major: 11, .Minor: 5, .Stepping: 3};
330 case GK_GFX1200: return {.Major: 12, .Minor: 0, .Stepping: 0};
331 case GK_GFX1201: return {.Major: 12, .Minor: 0, .Stepping: 1};
332 case GK_GFX1250: return {.Major: 12, .Minor: 5, .Stepping: 0};
333
334 // Generic targets return the lowest common denominator
335 // within their family. That is, the ISA that is the most
336 // restricted in terms of features.
337 //
338 // gfx9-generic is tricky because there is no lowest
339 // common denominator, so we return gfx900 which has mad-mix
340 // but this family doesn't have it.
341 //
342 // This API should never be used to check for a particular
343 // feature anyway.
344 //
345 // TODO: Split up this API depending on its caller so
346 // generic target handling is more obvious and less risky.
347 case GK_GFX9_GENERIC: return {.Major: 9, .Minor: 0, .Stepping: 0};
348 case GK_GFX9_4_GENERIC: return {.Major: 9, .Minor: 4, .Stepping: 0};
349 case GK_GFX10_1_GENERIC: return {.Major: 10, .Minor: 1, .Stepping: 0};
350 case GK_GFX10_3_GENERIC: return {.Major: 10, .Minor: 3, .Stepping: 0};
351 case GK_GFX11_GENERIC: return {.Major: 11, .Minor: 0, .Stepping: 3};
352 case GK_GFX12_GENERIC: return {.Major: 12, .Minor: 0, .Stepping: 0};
353 default: return {.Major: 0, .Minor: 0, .Stepping: 0};
354 }
355 // clang-format on
356}
357
358StringRef AMDGPU::getCanonicalArchName(const Triple &T, StringRef Arch) {
359 assert(T.isAMDGPU());
360 auto ProcKind = T.isAMDGCN() ? parseArchAMDGCN(CPU: Arch) : parseArchR600(CPU: Arch);
361 if (ProcKind == GK_NONE)
362 return StringRef();
363
364 return T.isAMDGCN() ? getArchNameAMDGCN(AK: ProcKind) : getArchNameR600(AK: ProcKind);
365}
366
367void AMDGPU::fillAMDGPUFeatureMap(StringRef GPU, const Triple &T,
368 StringMap<bool> &Features) {
369 // XXX - What does the member GPU mean if device name string passed here?
370 if (T.isSPIRV() && T.getOS() == Triple::OSType::AMDHSA) {
371 // AMDGCN SPIRV must support the union of all AMDGCN features. This list
372 // should be kept in sorted order and updated whenever new features are
373 // added.
374 Features["16-bit-insts"] = true;
375 Features["ashr-pk-insts"] = true;
376 Features["atomic-buffer-pk-add-bf16-inst"] = true;
377 Features["atomic-buffer-global-pk-add-f16-insts"] = true;
378 Features["atomic-ds-pk-add-16-insts"] = true;
379 Features["atomic-fadd-rtn-insts"] = true;
380 Features["atomic-flat-pk-add-16-insts"] = true;
381 Features["atomic-global-pk-add-bf16-inst"] = true;
382 Features["bf8-cvt-scale-insts"] = true;
383 Features["bitop3-insts"] = true;
384 Features["ci-insts"] = true;
385 Features["dl-insts"] = true;
386 Features["dot1-insts"] = true;
387 Features["dot2-insts"] = true;
388 Features["dot3-insts"] = true;
389 Features["dot4-insts"] = true;
390 Features["dot5-insts"] = true;
391 Features["dot6-insts"] = true;
392 Features["dot7-insts"] = true;
393 Features["dot8-insts"] = true;
394 Features["dot9-insts"] = true;
395 Features["dot10-insts"] = true;
396 Features["dot11-insts"] = true;
397 Features["dot12-insts"] = true;
398 Features["dot13-insts"] = true;
399 Features["dpp"] = true;
400 Features["f16bf16-to-fp6bf6-cvt-scale-insts"] = true;
401 Features["f32-to-f16bf16-cvt-sr-insts"] = true;
402 Features["fp4-cvt-scale-insts"] = true;
403 Features["fp6bf6-cvt-scale-insts"] = true;
404 Features["fp8-insts"] = true;
405 Features["fp8-conversion-insts"] = true;
406 Features["fp8-cvt-scale-insts"] = true;
407 Features["gfx8-insts"] = true;
408 Features["gfx9-insts"] = true;
409 Features["gfx90a-insts"] = true;
410 Features["gfx940-insts"] = true;
411 Features["gfx950-insts"] = true;
412 Features["gfx10-insts"] = true;
413 Features["gfx10-3-insts"] = true;
414 Features["gfx11-insts"] = true;
415 Features["gfx12-insts"] = true;
416 Features["gws"] = true;
417 Features["image-insts"] = true;
418 Features["s-memrealtime"] = true;
419 Features["s-memtime-inst"] = true;
420 Features["mai-insts"] = true;
421 Features["permlane16-swap"] = true;
422 Features["permlane32-swap"] = true;
423 Features["prng-inst"] = true;
424 Features["wavefrontsize32"] = true;
425 Features["wavefrontsize64"] = true;
426 Features["vmem-to-lds-load-insts"] = true;
427 } else if (T.isAMDGCN()) {
428 AMDGPU::GPUKind Kind = parseArchAMDGCN(CPU: GPU);
429 switch (Kind) {
430 case GK_GFX1250:
431 Features["ci-insts"] = true;
432 Features["dot7-insts"] = true;
433 Features["dot8-insts"] = true;
434 Features["dl-insts"] = true;
435 Features["16-bit-insts"] = true;
436 Features["dpp"] = true;
437 Features["gfx8-insts"] = true;
438 Features["gfx9-insts"] = true;
439 Features["gfx10-insts"] = true;
440 Features["gfx10-3-insts"] = true;
441 Features["gfx11-insts"] = true;
442 Features["gfx12-insts"] = true;
443 Features["gfx1250-insts"] = true;
444 Features["bitop3-insts"] = true;
445 Features["prng-inst"] = true;
446 Features["transpose-load-f4f6-insts"] = true;
447 Features["fp8-conversion-insts"] = true;
448 Features["permlane16-swap"] = true;
449 Features["ashr-pk-insts"] = true;
450 Features["atomic-buffer-pk-add-bf16-inst"] = true;
451 Features["atomic-fadd-rtn-insts"] = true;
452 Features["atomic-buffer-global-pk-add-f16-insts"] = true;
453 Features["atomic-flat-pk-add-16-insts"] = true;
454 Features["atomic-global-pk-add-bf16-inst"] = true;
455 Features["atomic-ds-pk-add-16-insts"] = true;
456 Features["setprio-inc-wg-inst"] = true;
457 break;
458 case GK_GFX1201:
459 case GK_GFX1200:
460 case GK_GFX12_GENERIC:
461 Features["ci-insts"] = true;
462 Features["dot7-insts"] = true;
463 Features["dot8-insts"] = true;
464 Features["dot9-insts"] = true;
465 Features["dot10-insts"] = true;
466 Features["dot11-insts"] = true;
467 Features["dot12-insts"] = true;
468 Features["dl-insts"] = true;
469 Features["atomic-ds-pk-add-16-insts"] = true;
470 Features["atomic-flat-pk-add-16-insts"] = true;
471 Features["atomic-buffer-global-pk-add-f16-insts"] = true;
472 Features["atomic-buffer-pk-add-bf16-inst"] = true;
473 Features["atomic-global-pk-add-bf16-inst"] = true;
474 Features["16-bit-insts"] = true;
475 Features["dpp"] = true;
476 Features["gfx8-insts"] = true;
477 Features["gfx9-insts"] = true;
478 Features["gfx10-insts"] = true;
479 Features["gfx10-3-insts"] = true;
480 Features["gfx11-insts"] = true;
481 Features["gfx12-insts"] = true;
482 Features["atomic-fadd-rtn-insts"] = true;
483 Features["image-insts"] = true;
484 Features["fp8-conversion-insts"] = true;
485 break;
486 case GK_GFX1153:
487 case GK_GFX1152:
488 case GK_GFX1151:
489 case GK_GFX1150:
490 case GK_GFX1103:
491 case GK_GFX1102:
492 case GK_GFX1101:
493 case GK_GFX1100:
494 case GK_GFX11_GENERIC:
495 Features["ci-insts"] = true;
496 Features["dot5-insts"] = true;
497 Features["dot7-insts"] = true;
498 Features["dot8-insts"] = true;
499 Features["dot9-insts"] = true;
500 Features["dot10-insts"] = true;
501 Features["dot12-insts"] = true;
502 Features["dl-insts"] = true;
503 Features["16-bit-insts"] = true;
504 Features["dpp"] = true;
505 Features["gfx8-insts"] = true;
506 Features["gfx9-insts"] = true;
507 Features["gfx10-insts"] = true;
508 Features["gfx10-3-insts"] = true;
509 Features["gfx11-insts"] = true;
510 Features["atomic-fadd-rtn-insts"] = true;
511 Features["image-insts"] = true;
512 Features["gws"] = true;
513 break;
514 case GK_GFX1036:
515 case GK_GFX1035:
516 case GK_GFX1034:
517 case GK_GFX1033:
518 case GK_GFX1032:
519 case GK_GFX1031:
520 case GK_GFX1030:
521 case GK_GFX10_3_GENERIC:
522 Features["ci-insts"] = true;
523 Features["dot1-insts"] = true;
524 Features["dot2-insts"] = true;
525 Features["dot5-insts"] = true;
526 Features["dot6-insts"] = true;
527 Features["dot7-insts"] = true;
528 Features["dot10-insts"] = true;
529 Features["dl-insts"] = true;
530 Features["16-bit-insts"] = true;
531 Features["dpp"] = true;
532 Features["gfx8-insts"] = true;
533 Features["gfx9-insts"] = true;
534 Features["gfx10-insts"] = true;
535 Features["gfx10-3-insts"] = true;
536 Features["image-insts"] = true;
537 Features["s-memrealtime"] = true;
538 Features["s-memtime-inst"] = true;
539 Features["gws"] = true;
540 Features["vmem-to-lds-load-insts"] = true;
541 break;
542 case GK_GFX1012:
543 case GK_GFX1011:
544 Features["dot1-insts"] = true;
545 Features["dot2-insts"] = true;
546 Features["dot5-insts"] = true;
547 Features["dot6-insts"] = true;
548 Features["dot7-insts"] = true;
549 Features["dot10-insts"] = true;
550 [[fallthrough]];
551 case GK_GFX1013:
552 case GK_GFX1010:
553 case GK_GFX10_1_GENERIC:
554 Features["dl-insts"] = true;
555 Features["ci-insts"] = true;
556 Features["16-bit-insts"] = true;
557 Features["dpp"] = true;
558 Features["gfx8-insts"] = true;
559 Features["gfx9-insts"] = true;
560 Features["gfx10-insts"] = true;
561 Features["image-insts"] = true;
562 Features["s-memrealtime"] = true;
563 Features["s-memtime-inst"] = true;
564 Features["gws"] = true;
565 Features["vmem-to-lds-load-insts"] = true;
566 break;
567 case GK_GFX950:
568 Features["bitop3-insts"] = true;
569 Features["fp6bf6-cvt-scale-insts"] = true;
570 Features["fp4-cvt-scale-insts"] = true;
571 Features["bf8-cvt-scale-insts"] = true;
572 Features["fp8-cvt-scale-insts"] = true;
573 Features["f16bf16-to-fp6bf6-cvt-scale-insts"] = true;
574 Features["f32-to-f16bf16-cvt-sr-insts"] = true;
575 Features["prng-inst"] = true;
576 Features["permlane16-swap"] = true;
577 Features["permlane32-swap"] = true;
578 Features["ashr-pk-insts"] = true;
579 Features["dot12-insts"] = true;
580 Features["dot13-insts"] = true;
581 Features["atomic-buffer-pk-add-bf16-inst"] = true;
582 Features["gfx950-insts"] = true;
583 [[fallthrough]];
584 case GK_GFX942:
585 Features["fp8-insts"] = true;
586 Features["fp8-conversion-insts"] = true;
587 if (Kind != GK_GFX950)
588 Features["xf32-insts"] = true;
589 [[fallthrough]];
590 case GK_GFX9_4_GENERIC:
591 Features["gfx940-insts"] = true;
592 Features["atomic-ds-pk-add-16-insts"] = true;
593 Features["atomic-flat-pk-add-16-insts"] = true;
594 Features["atomic-global-pk-add-bf16-inst"] = true;
595 Features["gfx90a-insts"] = true;
596 Features["atomic-buffer-global-pk-add-f16-insts"] = true;
597 Features["atomic-fadd-rtn-insts"] = true;
598 Features["dot3-insts"] = true;
599 Features["dot4-insts"] = true;
600 Features["dot5-insts"] = true;
601 Features["dot6-insts"] = true;
602 Features["mai-insts"] = true;
603 Features["dl-insts"] = true;
604 Features["dot1-insts"] = true;
605 Features["dot2-insts"] = true;
606 Features["dot7-insts"] = true;
607 Features["dot10-insts"] = true;
608 Features["gfx9-insts"] = true;
609 Features["gfx8-insts"] = true;
610 Features["16-bit-insts"] = true;
611 Features["dpp"] = true;
612 Features["s-memrealtime"] = true;
613 Features["ci-insts"] = true;
614 Features["s-memtime-inst"] = true;
615 Features["gws"] = true;
616 Features["vmem-to-lds-load-insts"] = true;
617 break;
618 case GK_GFX90A:
619 Features["gfx90a-insts"] = true;
620 Features["atomic-buffer-global-pk-add-f16-insts"] = true;
621 Features["atomic-fadd-rtn-insts"] = true;
622 [[fallthrough]];
623 case GK_GFX908:
624 Features["dot3-insts"] = true;
625 Features["dot4-insts"] = true;
626 Features["dot5-insts"] = true;
627 Features["dot6-insts"] = true;
628 Features["mai-insts"] = true;
629 [[fallthrough]];
630 case GK_GFX906:
631 Features["dl-insts"] = true;
632 Features["dot1-insts"] = true;
633 Features["dot2-insts"] = true;
634 Features["dot7-insts"] = true;
635 Features["dot10-insts"] = true;
636 [[fallthrough]];
637 case GK_GFX90C:
638 case GK_GFX909:
639 case GK_GFX904:
640 case GK_GFX902:
641 case GK_GFX900:
642 case GK_GFX9_GENERIC:
643 Features["gfx9-insts"] = true;
644 Features["vmem-to-lds-load-insts"] = true;
645 [[fallthrough]];
646 case GK_GFX810:
647 case GK_GFX805:
648 case GK_GFX803:
649 case GK_GFX802:
650 case GK_GFX801:
651 Features["gfx8-insts"] = true;
652 Features["16-bit-insts"] = true;
653 Features["dpp"] = true;
654 Features["s-memrealtime"] = true;
655 [[fallthrough]];
656 case GK_GFX705:
657 case GK_GFX704:
658 case GK_GFX703:
659 case GK_GFX702:
660 case GK_GFX701:
661 case GK_GFX700:
662 Features["ci-insts"] = true;
663 [[fallthrough]];
664 case GK_GFX602:
665 case GK_GFX601:
666 case GK_GFX600:
667 Features["image-insts"] = true;
668 Features["s-memtime-inst"] = true;
669 Features["gws"] = true;
670 break;
671 case GK_NONE:
672 break;
673 default:
674 llvm_unreachable("Unhandled GPU!");
675 }
676 } else {
677 if (GPU.empty())
678 GPU = "r600";
679
680 switch (llvm::AMDGPU::parseArchR600(CPU: GPU)) {
681 case GK_CAYMAN:
682 case GK_CYPRESS:
683 case GK_RV770:
684 case GK_RV670:
685 // TODO: Add fp64 when implemented.
686 break;
687 case GK_TURKS:
688 case GK_CAICOS:
689 case GK_BARTS:
690 case GK_SUMO:
691 case GK_REDWOOD:
692 case GK_JUNIPER:
693 case GK_CEDAR:
694 case GK_RV730:
695 case GK_RV710:
696 case GK_RS880:
697 case GK_R630:
698 case GK_R600:
699 break;
700 default:
701 llvm_unreachable("Unhandled GPU!");
702 }
703 }
704}
705
706static bool isWave32Capable(StringRef GPU, const Triple &T) {
707 bool IsWave32Capable = false;
708 // XXX - What does the member GPU mean if device name string passed here?
709 if (T.isAMDGCN()) {
710 switch (parseArchAMDGCN(CPU: GPU)) {
711 case GK_GFX1250:
712 case GK_GFX1201:
713 case GK_GFX1200:
714 case GK_GFX1153:
715 case GK_GFX1152:
716 case GK_GFX1151:
717 case GK_GFX1150:
718 case GK_GFX1103:
719 case GK_GFX1102:
720 case GK_GFX1101:
721 case GK_GFX1100:
722 case GK_GFX1036:
723 case GK_GFX1035:
724 case GK_GFX1034:
725 case GK_GFX1033:
726 case GK_GFX1032:
727 case GK_GFX1031:
728 case GK_GFX1030:
729 case GK_GFX1012:
730 case GK_GFX1011:
731 case GK_GFX1013:
732 case GK_GFX1010:
733 case GK_GFX12_GENERIC:
734 case GK_GFX11_GENERIC:
735 case GK_GFX10_3_GENERIC:
736 case GK_GFX10_1_GENERIC:
737 IsWave32Capable = true;
738 break;
739 default:
740 break;
741 }
742 }
743 return IsWave32Capable;
744}
745
746std::pair<FeatureError, StringRef>
747AMDGPU::insertWaveSizeFeature(StringRef GPU, const Triple &T,
748 StringMap<bool> &Features) {
749 bool IsWave32Capable = isWave32Capable(GPU, T);
750 const bool IsNullGPU = GPU.empty();
751 const bool HaveWave32 = Features.count(Key: "wavefrontsize32");
752 const bool HaveWave64 = Features.count(Key: "wavefrontsize64");
753 if (HaveWave32 && HaveWave64) {
754 return {AMDGPU::INVALID_FEATURE_COMBINATION,
755 "'wavefrontsize32' and 'wavefrontsize64' are mutually exclusive"};
756 }
757 if (HaveWave32 && !IsNullGPU && !IsWave32Capable) {
758 return {AMDGPU::UNSUPPORTED_TARGET_FEATURE, "wavefrontsize32"};
759 }
760 // Don't assume any wavesize with an unknown subtarget.
761 if (!IsNullGPU) {
762 // Default to wave32 if available, or wave64 if not
763 if (!HaveWave32 && !HaveWave64) {
764 StringRef DefaultWaveSizeFeature =
765 IsWave32Capable ? "wavefrontsize32" : "wavefrontsize64";
766 Features.insert(KV: std::make_pair(x&: DefaultWaveSizeFeature, y: true));
767 }
768 }
769 return {NO_ERROR, StringRef()};
770}
771