/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Basic/Cuda.cpp

Source (jump to first uncovered line)
#include "clang/Basic/Cuda.h"

#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/VersionTuple.h"

namespace clang {

const char *CudaVersionToString(CudaVersion V) {
  switch (V) {
  case CudaVersion::UNKNOWN:
    return "unknown";
  case CudaVersion::CUDA_70:
    return "7.0";
  case CudaVersion::CUDA_75:
    return "7.5";
  case CudaVersion::CUDA_80:
    return "8.0";
  case CudaVersion::CUDA_90:
    return "9.0";
  case CudaVersion::CUDA_91:
    return "9.1";
  case CudaVersion::CUDA_92:
    return "9.2";
  case CudaVersion::CUDA_100:
    return "10.0";
  case CudaVersion::CUDA_101:
    return "10.1";
  case CudaVersion::CUDA_102:
    return "10.2";
  case CudaVersion::CUDA_110:
    return "11.0";
  case CudaVersion::CUDA_111:
    return "11.1";
  case CudaVersion::CUDA_112:
    return "11.2";
  case CudaVersion::CUDA_113:
    return "11.3";
  case CudaVersion::CUDA_114:
    return "11.4";
  case CudaVersion::NEW:
    return "";
  }
  llvm_unreachable("invalid enum");
}

CudaVersion CudaStringToVersion(const llvm::Twine &S) {
  return llvm::StringSwitch<CudaVersion>(S.str())
      .Case("7.0", CudaVersion::CUDA_70)
      .Case("7.5", CudaVersion::CUDA_75)
      .Case("8.0", CudaVersion::CUDA_80)
      .Case("9.0", CudaVersion::CUDA_90)
      .Case("9.1", CudaVersion::CUDA_91)
      .Case("9.2", CudaVersion::CUDA_92)
      .Case("10.0", CudaVersion::CUDA_100)
      .Case("10.1", CudaVersion::CUDA_101)
      .Case("10.2", CudaVersion::CUDA_102)
      .Case("11.0", CudaVersion::CUDA_110)
      .Case("11.1", CudaVersion::CUDA_111)
      .Case("11.2", CudaVersion::CUDA_112)
      .Case("11.3", CudaVersion::CUDA_113)
      .Case("11.4", CudaVersion::CUDA_114)
      .Default(CudaVersion::UNKNOWN);
}

namespace {
struct CudaArchToStringMap {
  CudaArch arch;
  const char *arch_name;
  const char *virtual_arch_name;
};
} // namespace

#define SM2(sm, ca)                                                            \
  { CudaArch::SM_##sm, "sm_" #sm, ca }
#define SM(sm) SM2(sm, "compute_" #sm)
#define GFX(gpu)                                                               \
  { CudaArch::GFX##gpu, "gfx" #gpu, "compute_amdgcn" }
static const CudaArchToStringMap arch_names[] = {
    // clang-format off
    {CudaArch::UNUSED, "", ""},
    SM2(20, "compute_20"), SM2(21, "compute_20"), // Fermi
    SM(30), SM(32), SM(35), SM(37),  // Kepler
    SM(50), SM(52), SM(53),          // Maxwell
    SM(60), SM(61), SM(62),          // Pascal
    SM(70), SM(72),                  // Volta
    SM(75),                          // Turing
    SM(80), SM(86),                  // Ampere
    GFX(600),  // gfx600
    GFX(601),  // gfx601
    GFX(602),  // gfx602
    GFX(700),  // gfx700
    GFX(701),  // gfx701
    GFX(702),  // gfx702
    GFX(703),  // gfx703
    GFX(704),  // gfx704
    GFX(705),  // gfx705
    GFX(801),  // gfx801
    GFX(802),  // gfx802
    GFX(803),  // gfx803
    GFX(805),  // gfx805
    GFX(810),  // gfx810
    GFX(900),  // gfx900
    GFX(902),  // gfx902
    GFX(904),  // gfx903
    GFX(906),  // gfx906
    GFX(908),  // gfx908
    GFX(909),  // gfx909
    GFX(90a),  // gfx90a
    GFX(90c),  // gfx90c
    GFX(1010), // gfx1010
    GFX(1011), // gfx1011
    GFX(1012), // gfx1012
    GFX(1013), // gfx1013
    GFX(1030), // gfx1030
    GFX(1031), // gfx1031
    GFX(1032), // gfx1032
    GFX(1033), // gfx1033
    GFX(1034), // gfx1034
    GFX(1035), // gfx1035
    // clang-format on
};
#undef SM
#undef SM2
#undef GFX

const char *CudaArchToString(CudaArch A) {
  auto result = std::find_if(
      std::begin(arch_names), std::end(arch_names),
      [A](const CudaArchToStringMap &map) { return A == map.arch; });
  if (result == std::end(arch_names))
    return "unknown";
  return result->arch_name;
}

const char *CudaArchToVirtualArchString(CudaArch A) {
  auto result = std::find_if(
      std::begin(arch_names), std::end(arch_names),
      [A](const CudaArchToStringMap &map) { return A == map.arch; });
  if (result == std::end(arch_names))
    return "unknown";
  return result->virtual_arch_name;
}

CudaArch StringToCudaArch(llvm::StringRef S) {
  auto result = std::find_if(
      std::begin(arch_names), std::end(arch_names),
      [S](const CudaArchToStringMap &map) { return S == map.arch_name; });
  if (result == std::end(arch_names))
    return CudaArch::UNKNOWN;
  return result->arch;
}

CudaVersion MinVersionForCudaArch(CudaArch A) {
  if (A == CudaArch::UNKNOWN)
    return CudaVersion::UNKNOWN;

  // AMD GPUs do not depend on CUDA versions.
  if (IsAMDGpuArch(A))
    return CudaVersion::CUDA_70;

  switch (A) {
  case CudaArch::SM_20:
  case CudaArch::SM_21:
  case CudaArch::SM_30:
  case CudaArch::SM_32:
  case CudaArch::SM_35:
  case CudaArch::SM_37:
  case CudaArch::SM_50:
  case CudaArch::SM_52:
  case CudaArch::SM_53:
    return CudaVersion::CUDA_70;
  case CudaArch::SM_60:
  case CudaArch::SM_61:
  case CudaArch::SM_62:
    return CudaVersion::CUDA_80;
  case CudaArch::SM_70:
    return CudaVersion::CUDA_90;
  case CudaArch::SM_72:
    return CudaVersion::CUDA_91;
  case CudaArch::SM_75:
    return CudaVersion::CUDA_100;
  case CudaArch::SM_80:
    return CudaVersion::CUDA_110;
  case CudaArch::SM_86:
    return CudaVersion::CUDA_111;
  default:
    llvm_unreachable("invalid enum");
  }
}

CudaVersion MaxVersionForCudaArch(CudaArch A) {
  // AMD GPUs do not depend on CUDA versions.
  if (IsAMDGpuArch(A))
    return CudaVersion::NEW;

  switch (A) {
  case CudaArch::UNKNOWN:
    return CudaVersion::UNKNOWN;
  case CudaArch::SM_20:
  case CudaArch::SM_21:
    return CudaVersion::CUDA_80;
  case CudaArch::SM_30:
    return CudaVersion::CUDA_110;
  default:
    return CudaVersion::NEW;
  }
}

CudaVersion ToCudaVersion(llvm::VersionTuple Version) {
  int IVer =
      Version.getMajor() * 10 + Version.getMinor().getValueOr(0);
  switch(IVer) {
  case 70:
    return CudaVersion::CUDA_70;
  case 75:
    return CudaVersion::CUDA_75;
  case 80:
    return CudaVersion::CUDA_80;
  case 90:
    return CudaVersion::CUDA_90;
  case 91:
    return CudaVersion::CUDA_91;
  case 92:
    return CudaVersion::CUDA_92;
  case 100:
    return CudaVersion::CUDA_100;
  case 101:
    return CudaVersion::CUDA_101;
  case 102:
    return CudaVersion::CUDA_102;
  case 110:
    return CudaVersion::CUDA_110;
  case 111:
    return CudaVersion::CUDA_111;
  case 112:
    return CudaVersion::CUDA_112;
  case 113:
    return CudaVersion::CUDA_113;
  case 114:
    return CudaVersion::CUDA_114;
  default:
    return CudaVersion::UNKNOWN;
  }
}

bool CudaFeatureEnabled(llvm::VersionTuple  Version, CudaFeature Feature) {
  return CudaFeatureEnabled(ToCudaVersion(Version), Feature);
}

bool CudaFeatureEnabled(CudaVersion Version, CudaFeature Feature) {
  switch (Feature) {
  case CudaFeature::CUDA_USES_NEW_LAUNCH:
    return Version >= CudaVersion::CUDA_92;
  case CudaFeature::CUDA_USES_FATBIN_REGISTER_END:
    return Version >= CudaVersion::CUDA_101;
  }
  llvm_unreachable("Unknown CUDA feature.");
}
} // namespace clang

Coverage Report

Created: 2021-08-24 07:12

Line	Count	Source (jump to first uncovered line)
1		#include "clang/Basic/Cuda.h"
2
3		#include "llvm/ADT/StringRef.h"
4		#include "llvm/ADT/StringSwitch.h"
5		#include "llvm/ADT/Twine.h"
6		#include "llvm/Support/ErrorHandling.h"
7		#include "llvm/Support/VersionTuple.h"
8
9		namespace clang {
10
11	240	const char *CudaVersionToString(CudaVersion V) {
12	240	switch (V) {
13	0	case CudaVersion::UNKNOWN:
14	0	return "unknown";
15	141	case CudaVersion::CUDA_70:
16	141	return "7.0";
17	0	case CudaVersion::CUDA_75:
18	0	return "7.5";
19	39	case CudaVersion::CUDA_80:
20	39	return "8.0";
21	18	case CudaVersion::CUDA_90:
22	18	return "9.0";
23	0	case CudaVersion::CUDA_91:
24	0	return "9.1";
25	0	case CudaVersion::CUDA_92:
26	0	return "9.2";
27	0	case CudaVersion::CUDA_100:
28	0	return "10.0";
29	0	case CudaVersion::CUDA_101:
30	0	return "10.1";
31	0	case CudaVersion::CUDA_102:
32	0	return "10.2";
33	0	case CudaVersion::CUDA_110:
34	0	return "11.0";
35	0	case CudaVersion::CUDA_111:
36	0	return "11.1";
37	0	case CudaVersion::CUDA_112:
38	0	return "11.2";
39	0	case CudaVersion::CUDA_113:
40	0	return "11.3";
41	26	case CudaVersion::CUDA_114:
42	26	return "11.4";
43	16	case CudaVersion::NEW:
44	16	return "";
45	240	}
46	0	llvm_unreachable("invalid enum");
47	0	}
48
49	0	CudaVersion CudaStringToVersion(const llvm::Twine &S) {
50	0	return llvm::StringSwitch<CudaVersion>(S.str())
51	0	.Case("7.0", CudaVersion::CUDA_70)
52	0	.Case("7.5", CudaVersion::CUDA_75)
53	0	.Case("8.0", CudaVersion::CUDA_80)
54	0	.Case("9.0", CudaVersion::CUDA_90)
55	0	.Case("9.1", CudaVersion::CUDA_91)
56	0	.Case("9.2", CudaVersion::CUDA_92)
57	0	.Case("10.0", CudaVersion::CUDA_100)
58	0	.Case("10.1", CudaVersion::CUDA_101)
59	0	.Case("10.2", CudaVersion::CUDA_102)
60	0	.Case("11.0", CudaVersion::CUDA_110)
61	0	.Case("11.1", CudaVersion::CUDA_111)
62	0	.Case("11.2", CudaVersion::CUDA_112)
63	0	.Case("11.3", CudaVersion::CUDA_113)
64	0	.Case("11.4", CudaVersion::CUDA_114)
65	0	.Default(CudaVersion::UNKNOWN);
66	0	}
67
68		namespace {
69		struct CudaArchToStringMap {
70		CudaArch arch;
71		const char *arch_name;
72		const char *virtual_arch_name;
73		};
74		} // namespace
75
76		#define SM2(sm, ca) \
77		{ CudaArch::SM_##sm, "sm_" #sm, ca }
78		#define SM(sm) SM2(sm, "compute_" #sm)
79		#define GFX(gpu) \
80		{ CudaArch::GFX##gpu, "gfx" #gpu, "compute_amdgcn" }
81		static const CudaArchToStringMap arch_names[] = {
82		// clang-format off
83		{CudaArch::UNUSED, "", ""},
84		SM2(20, "compute_20"), SM2(21, "compute_20"), // Fermi
85		SM(30), SM(32), SM(35), SM(37), // Kepler
86		SM(50), SM(52), SM(53), // Maxwell
87		SM(60), SM(61), SM(62), // Pascal
88		SM(70), SM(72), // Volta
89		SM(75), // Turing
90		SM(80), SM(86), // Ampere
91		GFX(600), // gfx600
92		GFX(601), // gfx601
93		GFX(602), // gfx602
94		GFX(700), // gfx700
95		GFX(701), // gfx701
96		GFX(702), // gfx702
97		GFX(703), // gfx703
98		GFX(704), // gfx704
99		GFX(705), // gfx705
100		GFX(801), // gfx801
101		GFX(802), // gfx802
102		GFX(803), // gfx803
103		GFX(805), // gfx805
104		GFX(810), // gfx810
105		GFX(900), // gfx900
106		GFX(902), // gfx902
107		GFX(904), // gfx903
108		GFX(906), // gfx906
109		GFX(908), // gfx908
110		GFX(909), // gfx909
111		GFX(90a), // gfx90a
112		GFX(90c), // gfx90c
113		GFX(1010), // gfx1010
114		GFX(1011), // gfx1011
115		GFX(1012), // gfx1012
116		GFX(1013), // gfx1013
117		GFX(1030), // gfx1030
118		GFX(1031), // gfx1031
119		GFX(1032), // gfx1032
120		GFX(1033), // gfx1033
121		GFX(1034), // gfx1034
122		GFX(1035), // gfx1035
123		// clang-format on
124		};
125		#undef SM
126		#undef SM2
127		#undef GFX
128
129	1.52k	const char *CudaArchToString(CudaArch A) {
130	1.52k	auto result = std::find_if(
131	1.52k	std::begin(arch_names), std::end(arch_names),
132	10.7k	[A](const CudaArchToStringMap &map) { return A == map.arch; });
133	1.52k	if (result == std::end(arch_names))
134	0	return "unknown";
135	1.52k	return result->arch_name;
136	1.52k	}
137
138	154	const char *CudaArchToVirtualArchString(CudaArch A) {
139	154	auto result = std::find_if(
140	154	std::begin(arch_names), std::end(arch_names),
141	893	[A](const CudaArchToStringMap &map) { return A == map.arch; });
142	154	if (result == std::end(arch_names))
143	0	return "unknown";
144	154	return result->virtual_arch_name;
145	154	}
146
147	1.01k	CudaArch StringToCudaArch(llvm::StringRef S) {
148	1.01k	auto result = std::find_if(
149	1.01k	std::begin(arch_names), std::end(arch_names),
150	7.18k	[S](const CudaArchToStringMap &map) { return S == map.arch_name; });
151	1.01k	if (result == std::end(arch_names))
152	21	return CudaArch::UNKNOWN;
153	990	return result->arch;
154	1.01k	}
155
156	123	CudaVersion MinVersionForCudaArch(CudaArch A) {
157	123	if (A == CudaArch::UNKNOWN)
158	0	return CudaVersion::UNKNOWN;
159
160		// AMD GPUs do not depend on CUDA versions.
161	123	if (IsAMDGpuArch(A))
162	0	return CudaVersion::CUDA_70;
163
164	123	switch (A) {
165	8	case CudaArch::SM_20:
166	11	case CudaArch::SM_21:
167	15	case CudaArch::SM_30:
168	17	case CudaArch::SM_32:
169	95	case CudaArch::SM_35:
170	97	case CudaArch::SM_37:
171	107	case CudaArch::SM_50:
172	107	case CudaArch::SM_52:
173	107	case CudaArch::SM_53:
174	107	return CudaVersion::CUDA_70;
175	15	case CudaArch::SM_60:
176	16	case CudaArch::SM_61:
177	16	case CudaArch::SM_62:
178	16	return CudaVersion::CUDA_80;
179	0	case CudaArch::SM_70:
180	0	return CudaVersion::CUDA_90;
181	0	case CudaArch::SM_72:
182	0	return CudaVersion::CUDA_91;
183	0	case CudaArch::SM_75:
184	0	return CudaVersion::CUDA_100;
185	0	case CudaArch::SM_80:
186	0	return CudaVersion::CUDA_110;
187	0	case CudaArch::SM_86:
188	0	return CudaVersion::CUDA_111;
189	0	default:
190	0	llvm_unreachable("invalid enum");
191	123	}
192	123	}
193
194	123	CudaVersion MaxVersionForCudaArch(CudaArch A) {
195		// AMD GPUs do not depend on CUDA versions.
196	123	if (IsAMDGpuArch(A))
197	0	return CudaVersion::NEW;
198
199	123	switch (A) {
200	0	case CudaArch::UNKNOWN:
201	0	return CudaVersion::UNKNOWN;
202	8	case CudaArch::SM_20:
203	11	case CudaArch::SM_21:
204	11	return CudaVersion::CUDA_80;
205	4	case CudaArch::SM_30:
206	4	return CudaVersion::CUDA_110;
207	108	default:
208	108	return CudaVersion::NEW;
209	123	}
210	123	}
211
212	5.79k	CudaVersion ToCudaVersion(llvm::VersionTuple Version) {
213	5.79k	int IVer =
214	5.79k	Version.getMajor() * 10 + Version.getMinor().getValueOr(0);
215	5.79k	switch(IVer) {
216	4	case 70:
217	4	return CudaVersion::CUDA_70;
218	0	case 75:
219	0	return CudaVersion::CUDA_75;
220	89	case 80:
221	89	return CudaVersion::CUDA_80;
222	0	case 90:
223	0	return CudaVersion::CUDA_90;
224	0	case 91:
225	0	return CudaVersion::CUDA_91;
226	65	case 92:
227	65	return CudaVersion::CUDA_92;
228	0	case 100:
229	0	return CudaVersion::CUDA_100;
230	0	case 101:
231	0	return CudaVersion::CUDA_101;
232	0	case 102:
233	0	return CudaVersion::CUDA_102;
234	0	case 110:
235	0	return CudaVersion::CUDA_110;
236	0	case 111:
237	0	return CudaVersion::CUDA_111;
238	0	case 112:
239	0	return CudaVersion::CUDA_112;
240	0	case 113:
241	0	return CudaVersion::CUDA_113;
242	0	case 114:
243	0	return CudaVersion::CUDA_114;
244	5.63k	default:
245	5.63k	return CudaVersion::UNKNOWN;
246	5.79k	}
247	5.79k	}
248
249	5.78k	bool CudaFeatureEnabled(llvm::VersionTuple Version, CudaFeature Feature) {
250	5.78k	return CudaFeatureEnabled(ToCudaVersion(Version), Feature);
251	5.78k	}
252
253	5.78k	bool CudaFeatureEnabled(CudaVersion Version, CudaFeature Feature) {
254	5.78k	switch (Feature) {
255	5.77k	case CudaFeature::CUDA_USES_NEW_LAUNCH:
256	5.77k	return Version >= CudaVersion::CUDA_92;
257	8	case CudaFeature::CUDA_USES_FATBIN_REGISTER_END:
258	8	return Version >= CudaVersion::CUDA_101;
259	5.78k	}
260	0	llvm_unreachable("Unknown CUDA feature.");
261	0	}
262		} // namespace clang