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-rw-r--r--gnu/llvm/clang/unittests/Driver/ToolChainTest.cpp262
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diff --git a/gnu/llvm/clang/unittests/Driver/ToolChainTest.cpp b/gnu/llvm/clang/unittests/Driver/ToolChainTest.cpp
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+++ b/gnu/llvm/clang/unittests/Driver/ToolChainTest.cpp
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+//===- unittests/Driver/ToolChainTest.cpp --- ToolChain tests -------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Unit tests for ToolChains.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/ToolChain.h"
+#include "clang/Basic/DiagnosticIDs.h"
+#include "clang/Basic/DiagnosticOptions.h"
+#include "clang/Basic/LLVM.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/VirtualFileSystem.h"
+#include "llvm/Support/raw_ostream.h"
+#include "gtest/gtest.h"
+using namespace clang;
+using namespace clang::driver;
+
+namespace {
+
+TEST(ToolChainTest, VFSGCCInstallation) {
+ IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ struct TestDiagnosticConsumer : public DiagnosticConsumer {};
+ DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
+ IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
+ new llvm::vfs::InMemoryFileSystem);
+ Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags,
+ InMemoryFileSystem);
+
+ const char *EmptyFiles[] = {
+ "foo.cpp",
+ "/bin/clang",
+ "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
+ "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtend.o",
+ "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtbegin.o",
+ "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtend.o",
+ "/usr/lib/arm-linux-gnueabi/crt1.o",
+ "/usr/lib/arm-linux-gnueabi/crti.o",
+ "/usr/lib/arm-linux-gnueabi/crtn.o",
+ "/usr/lib/arm-linux-gnueabihf/crt1.o",
+ "/usr/lib/arm-linux-gnueabihf/crti.o",
+ "/usr/lib/arm-linux-gnueabihf/crtn.o",
+ "/usr/include/arm-linux-gnueabi/.keep",
+ "/usr/include/arm-linux-gnueabihf/.keep",
+ "/lib/arm-linux-gnueabi/.keep",
+ "/lib/arm-linux-gnueabihf/.keep"};
+
+ for (const char *Path : EmptyFiles)
+ InMemoryFileSystem->addFile(Path, 0,
+ llvm::MemoryBuffer::getMemBuffer("\n"));
+
+ std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
+ {"-fsyntax-only", "--gcc-toolchain=", "--sysroot=", "foo.cpp"}));
+ EXPECT_TRUE(C);
+
+ std::string S;
+ {
+ llvm::raw_string_ostream OS(S);
+ C->getDefaultToolChain().printVerboseInfo(OS);
+ }
+#if _WIN32
+ std::replace(S.begin(), S.end(), '\\', '/');
+#endif
+ EXPECT_EQ(
+ "Found candidate GCC installation: "
+ "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
+ "Selected GCC installation: /usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
+ "Candidate multilib: .;@m32\n"
+ "Selected multilib: .;@m32\n",
+ S);
+}
+
+TEST(ToolChainTest, VFSGCCInstallationRelativeDir) {
+ IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ struct TestDiagnosticConsumer : public DiagnosticConsumer {};
+ DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
+ IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
+ new llvm::vfs::InMemoryFileSystem);
+ Driver TheDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
+ InMemoryFileSystem);
+
+ const char *EmptyFiles[] = {
+ "foo.cpp", "/home/test/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
+ "/home/test/include/arm-linux-gnueabi/.keep"};
+
+ for (const char *Path : EmptyFiles)
+ InMemoryFileSystem->addFile(Path, 0,
+ llvm::MemoryBuffer::getMemBuffer("\n"));
+
+ std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
+ {"-fsyntax-only", "--gcc-toolchain=", "foo.cpp"}));
+ EXPECT_TRUE(C);
+
+ std::string S;
+ {
+ llvm::raw_string_ostream OS(S);
+ C->getDefaultToolChain().printVerboseInfo(OS);
+ }
+#if _WIN32
+ std::replace(S.begin(), S.end(), '\\', '/');
+#endif
+ EXPECT_EQ("Found candidate GCC installation: "
+ "/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
+ "Selected GCC installation: "
+ "/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
+ "Candidate multilib: .;@m32\n"
+ "Selected multilib: .;@m32\n",
+ S);
+}
+
+TEST(ToolChainTest, DefaultDriverMode) {
+ IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ struct TestDiagnosticConsumer : public DiagnosticConsumer {};
+ DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
+ IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
+ new llvm::vfs::InMemoryFileSystem);
+
+ Driver CCDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
+ InMemoryFileSystem);
+ CCDriver.setCheckInputsExist(false);
+ Driver CXXDriver("/home/test/bin/clang++", "arm-linux-gnueabi", Diags,
+ InMemoryFileSystem);
+ CXXDriver.setCheckInputsExist(false);
+ Driver CLDriver("/home/test/bin/clang-cl", "arm-linux-gnueabi", Diags,
+ InMemoryFileSystem);
+ CLDriver.setCheckInputsExist(false);
+
+ std::unique_ptr<Compilation> CC(CCDriver.BuildCompilation(
+ { "/home/test/bin/clang", "foo.cpp"}));
+ std::unique_ptr<Compilation> CXX(CXXDriver.BuildCompilation(
+ { "/home/test/bin/clang++", "foo.cpp"}));
+ std::unique_ptr<Compilation> CL(CLDriver.BuildCompilation(
+ { "/home/test/bin/clang-cl", "foo.cpp"}));
+
+ EXPECT_TRUE(CC);
+ EXPECT_TRUE(CXX);
+ EXPECT_TRUE(CL);
+ EXPECT_TRUE(CCDriver.CCCIsCC());
+ EXPECT_TRUE(CXXDriver.CCCIsCXX());
+ EXPECT_TRUE(CLDriver.IsCLMode());
+}
+TEST(ToolChainTest, InvalidArgument) {
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ struct TestDiagnosticConsumer : public DiagnosticConsumer {};
+ IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+ DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
+ Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags);
+ std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
+ {"-fsyntax-only", "-fan-unknown-option", "foo.cpp"}));
+ EXPECT_TRUE(C);
+ EXPECT_TRUE(C->containsError());
+}
+
+TEST(ToolChainTest, ParsedClangName) {
+ ParsedClangName Empty;
+ EXPECT_TRUE(Empty.TargetPrefix.empty());
+ EXPECT_TRUE(Empty.ModeSuffix.empty());
+ EXPECT_TRUE(Empty.DriverMode == nullptr);
+ EXPECT_FALSE(Empty.TargetIsValid);
+
+ ParsedClangName DriverOnly("clang", nullptr);
+ EXPECT_TRUE(DriverOnly.TargetPrefix.empty());
+ EXPECT_TRUE(DriverOnly.ModeSuffix == "clang");
+ EXPECT_TRUE(DriverOnly.DriverMode == nullptr);
+ EXPECT_FALSE(DriverOnly.TargetIsValid);
+
+ ParsedClangName DriverOnly2("clang++", "--driver-mode=g++");
+ EXPECT_TRUE(DriverOnly2.TargetPrefix.empty());
+ EXPECT_TRUE(DriverOnly2.ModeSuffix == "clang++");
+ EXPECT_STREQ(DriverOnly2.DriverMode, "--driver-mode=g++");
+ EXPECT_FALSE(DriverOnly2.TargetIsValid);
+
+ ParsedClangName TargetAndMode("i386", "clang-g++", "--driver-mode=g++", true);
+ EXPECT_TRUE(TargetAndMode.TargetPrefix == "i386");
+ EXPECT_TRUE(TargetAndMode.ModeSuffix == "clang-g++");
+ EXPECT_STREQ(TargetAndMode.DriverMode, "--driver-mode=g++");
+ EXPECT_TRUE(TargetAndMode.TargetIsValid);
+}
+
+TEST(ToolChainTest, GetTargetAndMode) {
+ llvm::InitializeAllTargets();
+ std::string IgnoredError;
+ if (!llvm::TargetRegistry::lookupTarget("x86_64", IgnoredError))
+ return;
+
+ ParsedClangName Res = ToolChain::getTargetAndModeFromProgramName("clang");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix == "clang");
+ EXPECT_TRUE(Res.DriverMode == nullptr);
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("clang++");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix == "clang++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("clang++6.0");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix == "clang++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("clang++-release");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix == "clang++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("x86_64-clang++");
+ EXPECT_TRUE(Res.TargetPrefix == "x86_64");
+ EXPECT_TRUE(Res.ModeSuffix == "clang++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_TRUE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName(
+ "x86_64-linux-gnu-clang-c++");
+ EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
+ EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_TRUE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName(
+ "x86_64-linux-gnu-clang-c++-tot");
+ EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
+ EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
+ EXPECT_TRUE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("qqq");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix.empty());
+ EXPECT_TRUE(Res.DriverMode == nullptr);
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("x86_64-qqq");
+ EXPECT_TRUE(Res.TargetPrefix.empty());
+ EXPECT_TRUE(Res.ModeSuffix.empty());
+ EXPECT_TRUE(Res.DriverMode == nullptr);
+ EXPECT_FALSE(Res.TargetIsValid);
+
+ Res = ToolChain::getTargetAndModeFromProgramName("qqq-clang-cl");
+ EXPECT_TRUE(Res.TargetPrefix == "qqq");
+ EXPECT_TRUE(Res.ModeSuffix == "clang-cl");
+ EXPECT_STREQ(Res.DriverMode, "--driver-mode=cl");
+ EXPECT_FALSE(Res.TargetIsValid);
+}
+} // end anonymous namespace.
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