/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";
  }
  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)
      .Default(CudaVersion::UNKNOWN);
}

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

#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" }
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),                          // 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(90c),  // gfx90c
    GFX(1010), // gfx1010
    GFX(1011), // gfx1011
    GFX(1012), // gfx1012
    GFX(1030), // gfx1030
    GFX(1031), // gfx1031
    GFX(1032), // gfx1032
    GFX(1033), // gfx1033
    // 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;
  default:
    llvm_unreachable("invalid enum");
  }
}

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

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

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;
  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: 2021-01-23 06:44

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	157	const char *CudaVersionToString(CudaVersion V) {
12	157	switch (V) {
13	0	case CudaVersion::UNKNOWN:
14	0	return "unknown";
15	78	case CudaVersion::CUDA_70:
16	78	return "7.0";
17	0	case CudaVersion::CUDA_75:
18	0	return "7.5";
19	48	case CudaVersion::CUDA_80:
20	48	return "8.0";
21	12	case CudaVersion::CUDA_90:
22	12	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	3	case CudaVersion::CUDA_101:
30	3	return "10.1";
31	3	case CudaVersion::CUDA_102:
32	3	return "10.2";
33	13	case CudaVersion::CUDA_110:
34	13	return "11.0";
35	0	}
36	0	llvm_unreachable("invalid enum");
37	0	}
38
39	41	CudaVersion CudaStringToVersion(const llvm::Twine &S) {
40	41	return llvm::StringSwitch<CudaVersion>(S.str())
41	41	.Case("7.0", CudaVersion::CUDA_70)
42	41	.Case("7.5", CudaVersion::CUDA_75)
43	41	.Case("8.0", CudaVersion::CUDA_80)
44	41	.Case("9.0", CudaVersion::CUDA_90)
45	41	.Case("9.1", CudaVersion::CUDA_91)
46	41	.Case("9.2", CudaVersion::CUDA_92)
47	41	.Case("10.0", CudaVersion::CUDA_100)
48	41	.Case("10.1", CudaVersion::CUDA_101)
49	41	.Case("10.2", CudaVersion::CUDA_102)
50	41	.Case("11.0", CudaVersion::CUDA_110)
51	41	.Default(CudaVersion::UNKNOWN);
52	41	}
53
54		struct CudaArchToStringMap {
55		CudaArch arch;
56		const char *arch_name;
57		const char *virtual_arch_name;
58		};
59
60		#define SM2(sm, ca) \
61		{ CudaArch::SM_##sm, "sm_" #sm, ca }
62		#define SM(sm) SM2(sm, "compute_" #sm)
63		#define GFX(gpu) \
64		{ CudaArch::GFX##gpu, "gfx" #gpu, "compute_amdgcn" }
65		CudaArchToStringMap arch_names[] = {
66		// clang-format off
67		{CudaArch::UNUSED, "", ""},
68		SM2(20, "compute_20"), SM2(21, "compute_20"), // Fermi
69		SM(30), SM(32), SM(35), SM(37), // Kepler
70		SM(50), SM(52), SM(53), // Maxwell
71		SM(60), SM(61), SM(62), // Pascal
72		SM(70), SM(72), // Volta
73		SM(75), // Turing
74		SM(80), // Ampere
75		GFX(600), // gfx600
76		GFX(601), // gfx601
77		GFX(602), // gfx602
78		GFX(700), // gfx700
79		GFX(701), // gfx701
80		GFX(702), // gfx702
81		GFX(703), // gfx703
82		GFX(704), // gfx704
83		GFX(705), // gfx705
84		GFX(801), // gfx801
85		GFX(802), // gfx802
86		GFX(803), // gfx803
87		GFX(805), // gfx805
88		GFX(810), // gfx810
89		GFX(900), // gfx900
90		GFX(902), // gfx902
91		GFX(904), // gfx903
92		GFX(906), // gfx906
93		GFX(908), // gfx908
94		GFX(909), // gfx909
95		GFX(90c), // gfx90c
96		GFX(1010), // gfx1010
97		GFX(1011), // gfx1011
98		GFX(1012), // gfx1012
99		GFX(1030), // gfx1030
100		GFX(1031), // gfx1031
101		GFX(1032), // gfx1032
102		GFX(1033), // gfx1033
103		// clang-format on
104		};
105		#undef SM
106		#undef SM2
107		#undef GFX
108
109	1.47k	const char *CudaArchToString(CudaArch A) {
110	1.47k	auto result = std::find_if(
111	1.47k	std::begin(arch_names), std::end(arch_names),
112	8.99k	[A](const CudaArchToStringMap &map) { return A == map.arch; });
113	1.47k	if (result == std::end(arch_names))
114	0	return "unknown";
115	1.47k	return result->arch_name;
116	1.47k	}
117
118	190	const char *CudaArchToVirtualArchString(CudaArch A) {
119	190	auto result = std::find_if(
120	190	std::begin(arch_names), std::end(arch_names),
121	1.23k	[A](const CudaArchToStringMap &map) { return A == map.arch; });
122	190	if (result == std::end(arch_names))
123	0	return "unknown";
124	190	return result->virtual_arch_name;
125	190	}
126
127	1.21k	CudaArch StringToCudaArch(llvm::StringRef S) {
128	1.21k	auto result = std::find_if(
129	1.21k	std::begin(arch_names), std::end(arch_names),
130	8.89k	[S](const CudaArchToStringMap &map) { return S == map.arch_name; });
131	1.21k	if (result == std::end(arch_names))
132	22	return CudaArch::UNKNOWN;
133	1.19k	return result->arch;
134	1.19k	}
135
136	69	CudaVersion MinVersionForCudaArch(CudaArch A) {
137	69	if (A == CudaArch::UNKNOWN)
138	0	return CudaVersion::UNKNOWN;
139
140		// AMD GPUs do not depend on CUDA versions.
141	69	if (IsAMDGpuArch(A))
142	0	return CudaVersion::CUDA_70;
143
144	69	switch (A) {
145	20	case CudaArch::SM_20:
146	23	case CudaArch::SM_21:
147	27	case CudaArch::SM_30:
148	29	case CudaArch::SM_32:
149	39	case CudaArch::SM_35:
150	41	case CudaArch::SM_37:
151	51	case CudaArch::SM_50:
152	51	case CudaArch::SM_52:
153	51	case CudaArch::SM_53:
154	51	return CudaVersion::CUDA_70;
155	17	case CudaArch::SM_60:
156	18	case CudaArch::SM_61:
157	18	case CudaArch::SM_62:
158	18	return CudaVersion::CUDA_80;
159	0	case CudaArch::SM_70:
160	0	return CudaVersion::CUDA_90;
161	0	case CudaArch::SM_72:
162	0	return CudaVersion::CUDA_91;
163	0	case CudaArch::SM_75:
164	0	return CudaVersion::CUDA_100;
165	0	case CudaArch::SM_80:
166	0	return CudaVersion::CUDA_110;
167	0	default:
168	0	llvm_unreachable("invalid enum");
169	69	}
170	69	}
171
172	69	CudaVersion MaxVersionForCudaArch(CudaArch A) {
173		// AMD GPUs do not depend on CUDA versions.
174	69	if (IsAMDGpuArch(A))
175	0	return CudaVersion::LATEST;
176
177	69	switch (A) {
178	0	case CudaArch::UNKNOWN:
179	0	return CudaVersion::UNKNOWN;
180	20	case CudaArch::SM_20:
181	23	case CudaArch::SM_21:
182	23	return CudaVersion::CUDA_80;
183	46	default:
184	46	return CudaVersion::LATEST;
185	69	}
186	69	}
187
188	2.35k	CudaVersion ToCudaVersion(llvm::VersionTuple Version) {
189	2.35k	int IVer =
190	2.35k	Version.getMajor() * 10 + Version.getMinor().getValueOr(0);
191	2.35k	switch(IVer) {
192	4	case 70:
193	4	return CudaVersion::CUDA_70;
194	0	case 75:
195	0	return CudaVersion::CUDA_75;
196	86	case 80:
197	86	return CudaVersion::CUDA_80;
198	0	case 90:
199	0	return CudaVersion::CUDA_90;
200	0	case 91:
201	0	return CudaVersion::CUDA_91;
202	50	case 92:
203	50	return CudaVersion::CUDA_92;
204	0	case 100:
205	0	return CudaVersion::CUDA_100;
206	0	case 101:
207	0	return CudaVersion::CUDA_101;
208	0	case 102:
209	0	return CudaVersion::CUDA_102;
210	0	case 110:
211	0	return CudaVersion::CUDA_110;
212	2.21k	default:
213	2.21k	return CudaVersion::UNKNOWN;
214	2.35k	}
215	2.35k	}
216
217	2.34k	bool CudaFeatureEnabled(llvm::VersionTuple Version, CudaFeature Feature) {
218	2.34k	return CudaFeatureEnabled(ToCudaVersion(Version), Feature);
219	2.34k	}
220
221	2.34k	bool CudaFeatureEnabled(CudaVersion Version, CudaFeature Feature) {
222	2.34k	switch (Feature) {
223	2.34k	case CudaFeature::CUDA_USES_NEW_LAUNCH:
224	2.34k	return Version >= CudaVersion::CUDA_92;
225	7	case CudaFeature::CUDA_USES_FATBIN_REGISTER_END:
226	7	return Version >= CudaVersion::CUDA_101;
227	0	}
228	0	llvm_unreachable("Unknown CUDA feature.");
229	0	}
230		} // namespace clang