1 //===- unittests/Driver/ToolChainTest.cpp --- ToolChain tests -------------===//
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 // Unit tests for ToolChains.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/Driver/ToolChain.h"
14 #include "clang/Basic/DiagnosticIDs.h"
15 #include "clang/Basic/DiagnosticOptions.h"
16 #include "clang/Basic/LLVM.h"
17 #include "clang/Driver/Compilation.h"
18 #include "clang/Driver/Driver.h"
19 #include "llvm/ADT/ArrayRef.h"
20 #include "llvm/MC/TargetRegistry.h"
21 #include "llvm/Support/TargetSelect.h"
22 #include "llvm/Support/VirtualFileSystem.h"
23 #include "llvm/Support/raw_ostream.h"
24 #include "gtest/gtest.h"
25 using namespace clang;
26 using namespace clang::driver;
27 
28 namespace {
29 
30 TEST(ToolChainTest, VFSGCCInstallation) {
31   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
32 
33   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
34   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
35   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
36       new llvm::vfs::InMemoryFileSystem);
37 
38   const char *EmptyFiles[] = {
39       "foo.cpp",
40       "/bin/clang",
41       "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
42       "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtend.o",
43       "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtbegin.o",
44       "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtend.o",
45       "/usr/lib/arm-linux-gnueabi/crt1.o",
46       "/usr/lib/arm-linux-gnueabi/crti.o",
47       "/usr/lib/arm-linux-gnueabi/crtn.o",
48       "/usr/lib/arm-linux-gnueabihf/crt1.o",
49       "/usr/lib/arm-linux-gnueabihf/crti.o",
50       "/usr/lib/arm-linux-gnueabihf/crtn.o",
51       "/usr/include/arm-linux-gnueabi/.keep",
52       "/usr/include/arm-linux-gnueabihf/.keep",
53       "/lib/arm-linux-gnueabi/.keep",
54       "/lib/arm-linux-gnueabihf/.keep",
55 
56       "/sysroot/usr/lib/gcc/arm-linux-gnueabi/4.5.1/crtbegin.o",
57       "/sysroot/usr/lib/gcc/arm-linux-gnueabi/4.5.1/crtend.o",
58       "/sysroot/usr/lib/gcc/arm-linux-gnueabihf/4.5.3/crtbegin.o",
59       "/sysroot/usr/lib/gcc/arm-linux-gnueabihf/4.5.3/crtend.o",
60       "/sysroot/usr/lib/arm-linux-gnueabi/crt1.o",
61       "/sysroot/usr/lib/arm-linux-gnueabi/crti.o",
62       "/sysroot/usr/lib/arm-linux-gnueabi/crtn.o",
63       "/sysroot/usr/lib/arm-linux-gnueabihf/crt1.o",
64       "/sysroot/usr/lib/arm-linux-gnueabihf/crti.o",
65       "/sysroot/usr/lib/arm-linux-gnueabihf/crtn.o",
66       "/sysroot/usr/include/arm-linux-gnueabi/.keep",
67       "/sysroot/usr/include/arm-linux-gnueabihf/.keep",
68       "/sysroot/lib/arm-linux-gnueabi/.keep",
69       "/sysroot/lib/arm-linux-gnueabihf/.keep",
70   };
71 
72   for (const char *Path : EmptyFiles)
73     InMemoryFileSystem->addFile(Path, 0,
74                                 llvm::MemoryBuffer::getMemBuffer("\n"));
75 
76   {
77     DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
78     Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags,
79                      "clang LLVM compiler", InMemoryFileSystem);
80     std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
81         {"-fsyntax-only", "--gcc-toolchain=", "--sysroot=", "foo.cpp"}));
82     ASSERT_TRUE(C);
83     std::string S;
84     {
85       llvm::raw_string_ostream OS(S);
86       C->getDefaultToolChain().printVerboseInfo(OS);
87     }
88     if (is_style_windows(llvm::sys::path::Style::native))
89       std::replace(S.begin(), S.end(), '\\', '/');
90     EXPECT_EQ(
91         "Found candidate GCC installation: "
92         "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
93         "Selected GCC installation: /usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
94         "Candidate multilib: .;@m32\n"
95         "Selected multilib: .;@m32\n",
96         S);
97   }
98 
99   {
100     DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
101     Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags,
102                      "clang LLVM compiler", InMemoryFileSystem);
103     std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
104         {"-fsyntax-only", "--gcc-toolchain=", "--sysroot=/sysroot",
105          "foo.cpp"}));
106     ASSERT_TRUE(C);
107     std::string S;
108     {
109       llvm::raw_string_ostream OS(S);
110       C->getDefaultToolChain().printVerboseInfo(OS);
111     }
112     if (is_style_windows(llvm::sys::path::Style::native))
113       std::replace(S.begin(), S.end(), '\\', '/');
114     // Test that 4.5.3 from --sysroot is not overridden by 4.6.3 (larger
115     // version) from /usr.
116     EXPECT_EQ("Found candidate GCC installation: "
117               "/sysroot/usr/lib/gcc/arm-linux-gnueabihf/4.5.3\n"
118               "Selected GCC installation: "
119               "/sysroot/usr/lib/gcc/arm-linux-gnueabihf/4.5.3\n"
120               "Candidate multilib: .;@m32\n"
121               "Selected multilib: .;@m32\n",
122               S);
123   }
124 }
125 
126 TEST(ToolChainTest, VFSGCCInstallationRelativeDir) {
127   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
128 
129   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
130   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
131   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
132   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
133       new llvm::vfs::InMemoryFileSystem);
134   Driver TheDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
135                    "clang LLVM compiler", InMemoryFileSystem);
136 
137   const char *EmptyFiles[] = {
138       "foo.cpp", "/home/test/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
139       "/home/test/include/arm-linux-gnueabi/.keep"};
140 
141   for (const char *Path : EmptyFiles)
142     InMemoryFileSystem->addFile(Path, 0,
143                                 llvm::MemoryBuffer::getMemBuffer("\n"));
144 
145   std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
146       {"-fsyntax-only", "--gcc-toolchain=", "foo.cpp"}));
147   EXPECT_TRUE(C);
148 
149   std::string S;
150   {
151     llvm::raw_string_ostream OS(S);
152     C->getDefaultToolChain().printVerboseInfo(OS);
153   }
154   if (is_style_windows(llvm::sys::path::Style::native))
155     std::replace(S.begin(), S.end(), '\\', '/');
156   EXPECT_EQ("Found candidate GCC installation: "
157             "/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
158             "Selected GCC installation: "
159             "/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
160             "Candidate multilib: .;@m32\n"
161             "Selected multilib: .;@m32\n",
162             S);
163 }
164 
165 TEST(ToolChainTest, DefaultDriverMode) {
166   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
167 
168   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
169   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
170   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
171   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
172       new llvm::vfs::InMemoryFileSystem);
173 
174   Driver CCDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
175                   "clang LLVM compiler", InMemoryFileSystem);
176   CCDriver.setCheckInputsExist(false);
177   Driver CXXDriver("/home/test/bin/clang++", "arm-linux-gnueabi", Diags,
178                    "clang LLVM compiler", InMemoryFileSystem);
179   CXXDriver.setCheckInputsExist(false);
180   Driver CLDriver("/home/test/bin/clang-cl", "arm-linux-gnueabi", Diags,
181                   "clang LLVM compiler", InMemoryFileSystem);
182   CLDriver.setCheckInputsExist(false);
183 
184   std::unique_ptr<Compilation> CC(CCDriver.BuildCompilation(
185       { "/home/test/bin/clang", "foo.cpp"}));
186   std::unique_ptr<Compilation> CXX(CXXDriver.BuildCompilation(
187       { "/home/test/bin/clang++", "foo.cpp"}));
188   std::unique_ptr<Compilation> CL(CLDriver.BuildCompilation(
189       { "/home/test/bin/clang-cl", "foo.cpp"}));
190 
191   EXPECT_TRUE(CC);
192   EXPECT_TRUE(CXX);
193   EXPECT_TRUE(CL);
194   EXPECT_TRUE(CCDriver.CCCIsCC());
195   EXPECT_TRUE(CXXDriver.CCCIsCXX());
196   EXPECT_TRUE(CLDriver.IsCLMode());
197 }
198 TEST(ToolChainTest, InvalidArgument) {
199   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
200   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
201   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
202   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
203   Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags);
204   std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
205       {"-fsyntax-only", "-fan-unknown-option", "foo.cpp"}));
206   EXPECT_TRUE(C);
207   EXPECT_TRUE(C->containsError());
208 }
209 
210 TEST(ToolChainTest, ParsedClangName) {
211   ParsedClangName Empty;
212   EXPECT_TRUE(Empty.TargetPrefix.empty());
213   EXPECT_TRUE(Empty.ModeSuffix.empty());
214   EXPECT_TRUE(Empty.DriverMode == nullptr);
215   EXPECT_FALSE(Empty.TargetIsValid);
216 
217   ParsedClangName DriverOnly("clang", nullptr);
218   EXPECT_TRUE(DriverOnly.TargetPrefix.empty());
219   EXPECT_TRUE(DriverOnly.ModeSuffix == "clang");
220   EXPECT_TRUE(DriverOnly.DriverMode == nullptr);
221   EXPECT_FALSE(DriverOnly.TargetIsValid);
222 
223   ParsedClangName DriverOnly2("clang++", "--driver-mode=g++");
224   EXPECT_TRUE(DriverOnly2.TargetPrefix.empty());
225   EXPECT_TRUE(DriverOnly2.ModeSuffix == "clang++");
226   EXPECT_STREQ(DriverOnly2.DriverMode, "--driver-mode=g++");
227   EXPECT_FALSE(DriverOnly2.TargetIsValid);
228 
229   ParsedClangName TargetAndMode("i386", "clang-g++", "--driver-mode=g++", true);
230   EXPECT_TRUE(TargetAndMode.TargetPrefix == "i386");
231   EXPECT_TRUE(TargetAndMode.ModeSuffix == "clang-g++");
232   EXPECT_STREQ(TargetAndMode.DriverMode, "--driver-mode=g++");
233   EXPECT_TRUE(TargetAndMode.TargetIsValid);
234 }
235 
236 TEST(ToolChainTest, GetTargetAndMode) {
237   llvm::InitializeAllTargets();
238   std::string IgnoredError;
239   if (!llvm::TargetRegistry::lookupTarget("x86_64", IgnoredError))
240     return;
241 
242   ParsedClangName Res = ToolChain::getTargetAndModeFromProgramName("clang");
243   EXPECT_TRUE(Res.TargetPrefix.empty());
244   EXPECT_TRUE(Res.ModeSuffix == "clang");
245   EXPECT_TRUE(Res.DriverMode == nullptr);
246   EXPECT_FALSE(Res.TargetIsValid);
247 
248   Res = ToolChain::getTargetAndModeFromProgramName("clang++");
249   EXPECT_TRUE(Res.TargetPrefix.empty());
250   EXPECT_TRUE(Res.ModeSuffix == "clang++");
251   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
252   EXPECT_FALSE(Res.TargetIsValid);
253 
254   Res = ToolChain::getTargetAndModeFromProgramName("clang++6.0");
255   EXPECT_TRUE(Res.TargetPrefix.empty());
256   EXPECT_TRUE(Res.ModeSuffix == "clang++");
257   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
258   EXPECT_FALSE(Res.TargetIsValid);
259 
260   Res = ToolChain::getTargetAndModeFromProgramName("clang++-release");
261   EXPECT_TRUE(Res.TargetPrefix.empty());
262   EXPECT_TRUE(Res.ModeSuffix == "clang++");
263   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
264   EXPECT_FALSE(Res.TargetIsValid);
265 
266   Res = ToolChain::getTargetAndModeFromProgramName("x86_64-clang++");
267   EXPECT_TRUE(Res.TargetPrefix == "x86_64");
268   EXPECT_TRUE(Res.ModeSuffix == "clang++");
269   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
270   EXPECT_TRUE(Res.TargetIsValid);
271 
272   Res = ToolChain::getTargetAndModeFromProgramName(
273       "x86_64-linux-gnu-clang-c++");
274   EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
275   EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
276   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
277   EXPECT_TRUE(Res.TargetIsValid);
278 
279   Res = ToolChain::getTargetAndModeFromProgramName(
280       "x86_64-linux-gnu-clang-c++-tot");
281   EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
282   EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
283   EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
284   EXPECT_TRUE(Res.TargetIsValid);
285 
286   Res = ToolChain::getTargetAndModeFromProgramName("qqq");
287   EXPECT_TRUE(Res.TargetPrefix.empty());
288   EXPECT_TRUE(Res.ModeSuffix.empty());
289   EXPECT_TRUE(Res.DriverMode == nullptr);
290   EXPECT_FALSE(Res.TargetIsValid);
291 
292   Res = ToolChain::getTargetAndModeFromProgramName("x86_64-qqq");
293   EXPECT_TRUE(Res.TargetPrefix.empty());
294   EXPECT_TRUE(Res.ModeSuffix.empty());
295   EXPECT_TRUE(Res.DriverMode == nullptr);
296   EXPECT_FALSE(Res.TargetIsValid);
297 
298   Res = ToolChain::getTargetAndModeFromProgramName("qqq-clang-cl");
299   EXPECT_TRUE(Res.TargetPrefix == "qqq");
300   EXPECT_TRUE(Res.ModeSuffix == "clang-cl");
301   EXPECT_STREQ(Res.DriverMode, "--driver-mode=cl");
302   EXPECT_FALSE(Res.TargetIsValid);
303 
304   Res = ToolChain::getTargetAndModeFromProgramName("clang-dxc");
305   EXPECT_TRUE(Res.TargetPrefix.empty());
306   EXPECT_TRUE(Res.ModeSuffix == "clang-dxc");
307   EXPECT_STREQ(Res.DriverMode, "--driver-mode=dxc");
308   EXPECT_FALSE(Res.TargetIsValid);
309 }
310 
311 TEST(ToolChainTest, CommandOutput) {
312   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
313 
314   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
315   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
316   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
317   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
318       new llvm::vfs::InMemoryFileSystem);
319 
320   Driver CCDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
321                   "clang LLVM compiler", InMemoryFileSystem);
322   CCDriver.setCheckInputsExist(false);
323   std::unique_ptr<Compilation> CC(
324       CCDriver.BuildCompilation({"/home/test/bin/clang", "foo.cpp"}));
325   const JobList &Jobs = CC->getJobs();
326 
327   const auto &CmdCompile = Jobs.getJobs().front();
328   const auto &InFile = CmdCompile->getInputInfos().front().getFilename();
329   EXPECT_STREQ(InFile, "foo.cpp");
330   auto ObjFile = CmdCompile->getOutputFilenames().front();
331   EXPECT_TRUE(StringRef(ObjFile).endswith(".o"));
332 
333   const auto &CmdLink = Jobs.getJobs().back();
334   const auto LinkInFile = CmdLink->getInputInfos().front().getFilename();
335   EXPECT_EQ(ObjFile, LinkInFile);
336   auto ExeFile = CmdLink->getOutputFilenames().front();
337   EXPECT_EQ("a.out", ExeFile);
338 }
339 
340 TEST(ToolChainTest, PostCallback) {
341   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
342   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
343   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
344   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
345   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
346       new llvm::vfs::InMemoryFileSystem);
347 
348   // The executable path must not exist.
349   Driver CCDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
350                   "clang LLVM compiler", InMemoryFileSystem);
351   CCDriver.setCheckInputsExist(false);
352   std::unique_ptr<Compilation> CC(
353       CCDriver.BuildCompilation({"/home/test/bin/clang", "foo.cpp"}));
354   bool CallbackHasCalled = false;
355   CC->setPostCallback(
356       [&](const Command &C, int Ret) { CallbackHasCalled = true; });
357   const JobList &Jobs = CC->getJobs();
358   auto &CmdCompile = Jobs.getJobs().front();
359   const Command *FailingCmd = nullptr;
360   CC->ExecuteCommand(*CmdCompile, FailingCmd);
361   EXPECT_TRUE(CallbackHasCalled);
362 }
363 
364 TEST(GetDriverMode, PrefersLastDriverMode) {
365   static constexpr const char *Args[] = {"clang-cl", "--driver-mode=foo",
366                                          "--driver-mode=bar", "foo.cpp"};
367   EXPECT_EQ(getDriverMode(Args[0], llvm::makeArrayRef(Args).slice(1)), "bar");
368 }
369 
370 TEST(DxcModeTest, TargetProfileValidation) {
371   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
372   struct SimpleDiagnosticConsumer : public DiagnosticConsumer {
373     void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
374                           const Diagnostic &Info) override {
375       if (DiagLevel == DiagnosticsEngine::Level::Error) {
376         Errors.emplace_back();
377         Info.FormatDiagnostic(Errors.back());
378         Errors.back() += '\0';
379       } else {
380         Msgs.emplace_back();
381         Info.FormatDiagnostic(Msgs.back());
382         Msgs.back() += '\0';
383       }
384     }
385     void clear() override {
386       Msgs.clear();
387       Errors.clear();
388       DiagnosticConsumer::clear();
389     }
390     std::vector<SmallString<32>> Msgs;
391     std::vector<SmallString<32>> Errors;
392   };
393 
394   IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
395       new llvm::vfs::InMemoryFileSystem);
396 
397   InMemoryFileSystem->addFile("foo.hlsl", 0,
398                               llvm::MemoryBuffer::getMemBuffer("\n"));
399 
400   auto *DiagConsumer = new SimpleDiagnosticConsumer;
401   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
402   DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagConsumer);
403   Driver TheDriver("/bin/clang", "", Diags, "", InMemoryFileSystem);
404   std::unique_ptr<Compilation> C(
405       TheDriver.BuildCompilation({"clang", "--driver-mode=dxc", "foo.hlsl"}));
406   EXPECT_TRUE(C);
407   EXPECT_TRUE(!C->containsError());
408 
409   auto &TC = C->getDefaultToolChain();
410   bool ContainsError = false;
411   auto Args = TheDriver.ParseArgStrings({"-Tvs_6_0"}, false, ContainsError);
412   EXPECT_FALSE(ContainsError);
413   auto Triple = TC.ComputeEffectiveClangTriple(Args);
414   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.0-vertex");
415   EXPECT_EQ(Diags.getNumErrors(), 0u);
416 
417   Args = TheDriver.ParseArgStrings({"-Ths_6_1"}, false, ContainsError);
418   EXPECT_FALSE(ContainsError);
419   Triple = TC.ComputeEffectiveClangTriple(Args);
420   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.1-hull");
421   EXPECT_EQ(Diags.getNumErrors(), 0u);
422 
423   Args = TheDriver.ParseArgStrings({"-Tds_6_2"}, false, ContainsError);
424   EXPECT_FALSE(ContainsError);
425   Triple = TC.ComputeEffectiveClangTriple(Args);
426   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.2-domain");
427   EXPECT_EQ(Diags.getNumErrors(), 0u);
428 
429   Args = TheDriver.ParseArgStrings({"-Tds_6_2"}, false, ContainsError);
430   EXPECT_FALSE(ContainsError);
431   Triple = TC.ComputeEffectiveClangTriple(Args);
432   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.2-domain");
433   EXPECT_EQ(Diags.getNumErrors(), 0u);
434 
435   Args = TheDriver.ParseArgStrings({"-Tgs_6_3"}, false, ContainsError);
436   EXPECT_FALSE(ContainsError);
437   Triple = TC.ComputeEffectiveClangTriple(Args);
438   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.3-geometry");
439   EXPECT_EQ(Diags.getNumErrors(), 0u);
440 
441   Args = TheDriver.ParseArgStrings({"-Tps_6_4"}, false, ContainsError);
442   EXPECT_FALSE(ContainsError);
443   Triple = TC.ComputeEffectiveClangTriple(Args);
444   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.4-pixel");
445   EXPECT_EQ(Diags.getNumErrors(), 0u);
446 
447   Args = TheDriver.ParseArgStrings({"-Tcs_6_5"}, false, ContainsError);
448   EXPECT_FALSE(ContainsError);
449   Triple = TC.ComputeEffectiveClangTriple(Args);
450   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.5-compute");
451   EXPECT_EQ(Diags.getNumErrors(), 0u);
452 
453   Args = TheDriver.ParseArgStrings({"-Tms_6_6"}, false, ContainsError);
454   EXPECT_FALSE(ContainsError);
455   Triple = TC.ComputeEffectiveClangTriple(Args);
456   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.6-mesh");
457   EXPECT_EQ(Diags.getNumErrors(), 0u);
458 
459   Args = TheDriver.ParseArgStrings({"-Tas_6_7"}, false, ContainsError);
460   EXPECT_FALSE(ContainsError);
461   Triple = TC.ComputeEffectiveClangTriple(Args);
462   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.7-amplification");
463   EXPECT_EQ(Diags.getNumErrors(), 0u);
464 
465   Args = TheDriver.ParseArgStrings({"-Tlib_6_x"}, false, ContainsError);
466   EXPECT_FALSE(ContainsError);
467   Triple = TC.ComputeEffectiveClangTriple(Args);
468   EXPECT_STREQ(Triple.c_str(), "dxil--shadermodel6.15-library");
469   EXPECT_EQ(Diags.getNumErrors(), 0u);
470 
471   // Invalid tests.
472   Args = TheDriver.ParseArgStrings({"-Tpss_6_1"}, false, ContainsError);
473   EXPECT_FALSE(ContainsError);
474   Triple = TC.ComputeEffectiveClangTriple(Args);
475   EXPECT_STREQ(Triple.c_str(), "unknown-unknown-shadermodel");
476   EXPECT_EQ(Diags.getNumErrors(), 1u);
477   EXPECT_STREQ(DiagConsumer->Errors.back().data(), "invalid profile : pss_6_1");
478   Diags.Clear();
479   DiagConsumer->clear();
480 
481   Args = TheDriver.ParseArgStrings({"-Tps_6_x"}, false, ContainsError);
482   EXPECT_FALSE(ContainsError);
483   Triple = TC.ComputeEffectiveClangTriple(Args);
484   EXPECT_STREQ(Triple.c_str(), "unknown-unknown-shadermodel");
485   EXPECT_EQ(Diags.getNumErrors(), 2u);
486   EXPECT_STREQ(DiagConsumer->Errors.back().data(), "invalid profile : ps_6_x");
487   Diags.Clear();
488   DiagConsumer->clear();
489 
490   Args = TheDriver.ParseArgStrings({"-Tlib_6_1"}, false, ContainsError);
491   EXPECT_FALSE(ContainsError);
492   Triple = TC.ComputeEffectiveClangTriple(Args);
493   EXPECT_STREQ(Triple.c_str(), "unknown-unknown-shadermodel");
494   EXPECT_EQ(Diags.getNumErrors(), 3u);
495   EXPECT_STREQ(DiagConsumer->Errors.back().data(), "invalid profile : lib_6_1");
496   Diags.Clear();
497   DiagConsumer->clear();
498 
499   Args = TheDriver.ParseArgStrings({"-Tfoo"}, false, ContainsError);
500   EXPECT_FALSE(ContainsError);
501   Triple = TC.ComputeEffectiveClangTriple(Args);
502   EXPECT_STREQ(Triple.c_str(), "unknown-unknown-shadermodel");
503   EXPECT_EQ(Diags.getNumErrors(), 4u);
504   EXPECT_STREQ(DiagConsumer->Errors.back().data(), "invalid profile : foo");
505   Diags.Clear();
506   DiagConsumer->clear();
507 }
508 
509 } // end anonymous namespace.
510