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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
263 lines
9.9 KiB
C++
263 lines
9.9 KiB
C++
//===- unittests/Driver/ToolChainTest.cpp --- ToolChain tests -------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Unit tests for ToolChains.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Driver/ToolChain.h"
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#include "clang/Basic/DiagnosticIDs.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "clang/Basic/LLVM.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Driver.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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using namespace clang;
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using namespace clang::driver;
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namespace {
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TEST(ToolChainTest, VFSGCCInstallation) {
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IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
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IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
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struct TestDiagnosticConsumer : public DiagnosticConsumer {};
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DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
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IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
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new llvm::vfs::InMemoryFileSystem);
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Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags,
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InMemoryFileSystem);
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const char *EmptyFiles[] = {
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"foo.cpp",
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"/bin/clang",
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"/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
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"/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtend.o",
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"/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtbegin.o",
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"/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtend.o",
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"/usr/lib/arm-linux-gnueabi/crt1.o",
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"/usr/lib/arm-linux-gnueabi/crti.o",
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"/usr/lib/arm-linux-gnueabi/crtn.o",
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"/usr/lib/arm-linux-gnueabihf/crt1.o",
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"/usr/lib/arm-linux-gnueabihf/crti.o",
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"/usr/lib/arm-linux-gnueabihf/crtn.o",
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"/usr/include/arm-linux-gnueabi/.keep",
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"/usr/include/arm-linux-gnueabihf/.keep",
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"/lib/arm-linux-gnueabi/.keep",
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"/lib/arm-linux-gnueabihf/.keep"};
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for (const char *Path : EmptyFiles)
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InMemoryFileSystem->addFile(Path, 0,
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llvm::MemoryBuffer::getMemBuffer("\n"));
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std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
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{"-fsyntax-only", "--gcc-toolchain=", "foo.cpp"}));
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EXPECT_TRUE(C);
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std::string S;
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{
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llvm::raw_string_ostream OS(S);
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C->getDefaultToolChain().printVerboseInfo(OS);
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}
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#if _WIN32
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std::replace(S.begin(), S.end(), '\\', '/');
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#endif
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EXPECT_EQ(
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"Found candidate GCC installation: "
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"/usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
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"Selected GCC installation: /usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
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"Candidate multilib: .;@m32\n"
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"Selected multilib: .;@m32\n",
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S);
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}
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TEST(ToolChainTest, VFSGCCInstallationRelativeDir) {
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IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
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IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
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struct TestDiagnosticConsumer : public DiagnosticConsumer {};
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DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
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IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
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new llvm::vfs::InMemoryFileSystem);
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Driver TheDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
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InMemoryFileSystem);
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const char *EmptyFiles[] = {
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"foo.cpp", "/home/test/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
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"/home/test/include/arm-linux-gnueabi/.keep"};
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for (const char *Path : EmptyFiles)
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InMemoryFileSystem->addFile(Path, 0,
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llvm::MemoryBuffer::getMemBuffer("\n"));
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std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
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{"-fsyntax-only", "--gcc-toolchain=", "foo.cpp"}));
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EXPECT_TRUE(C);
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std::string S;
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{
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llvm::raw_string_ostream OS(S);
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C->getDefaultToolChain().printVerboseInfo(OS);
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}
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#if _WIN32
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std::replace(S.begin(), S.end(), '\\', '/');
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#endif
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EXPECT_EQ("Found candidate GCC installation: "
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"/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
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"Selected GCC installation: "
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"/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
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"Candidate multilib: .;@m32\n"
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"Selected multilib: .;@m32\n",
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S);
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}
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TEST(ToolChainTest, DefaultDriverMode) {
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IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
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IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
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struct TestDiagnosticConsumer : public DiagnosticConsumer {};
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DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
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IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem(
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new llvm::vfs::InMemoryFileSystem);
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Driver CCDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
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InMemoryFileSystem);
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CCDriver.setCheckInputsExist(false);
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Driver CXXDriver("/home/test/bin/clang++", "arm-linux-gnueabi", Diags,
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InMemoryFileSystem);
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CXXDriver.setCheckInputsExist(false);
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Driver CLDriver("/home/test/bin/clang-cl", "arm-linux-gnueabi", Diags,
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InMemoryFileSystem);
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CLDriver.setCheckInputsExist(false);
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std::unique_ptr<Compilation> CC(CCDriver.BuildCompilation(
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{ "/home/test/bin/clang", "foo.cpp"}));
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std::unique_ptr<Compilation> CXX(CXXDriver.BuildCompilation(
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{ "/home/test/bin/clang++", "foo.cpp"}));
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std::unique_ptr<Compilation> CL(CLDriver.BuildCompilation(
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{ "/home/test/bin/clang-cl", "foo.cpp"}));
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EXPECT_TRUE(CC);
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EXPECT_TRUE(CXX);
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EXPECT_TRUE(CL);
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EXPECT_TRUE(CCDriver.CCCIsCC());
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EXPECT_TRUE(CXXDriver.CCCIsCXX());
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EXPECT_TRUE(CLDriver.IsCLMode());
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}
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TEST(ToolChainTest, InvalidArgument) {
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IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
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struct TestDiagnosticConsumer : public DiagnosticConsumer {};
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IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
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DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
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Driver TheDriver("/bin/clang", "arm-linux-gnueabihf", Diags);
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std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
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{"-fsyntax-only", "-fan-unknown-option", "foo.cpp"}));
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EXPECT_TRUE(C);
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EXPECT_TRUE(C->containsError());
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}
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TEST(ToolChainTest, ParsedClangName) {
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ParsedClangName Empty;
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EXPECT_TRUE(Empty.TargetPrefix.empty());
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EXPECT_TRUE(Empty.ModeSuffix.empty());
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EXPECT_TRUE(Empty.DriverMode == nullptr);
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EXPECT_FALSE(Empty.TargetIsValid);
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ParsedClangName DriverOnly("clang", nullptr);
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EXPECT_TRUE(DriverOnly.TargetPrefix.empty());
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EXPECT_TRUE(DriverOnly.ModeSuffix == "clang");
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EXPECT_TRUE(DriverOnly.DriverMode == nullptr);
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EXPECT_FALSE(DriverOnly.TargetIsValid);
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ParsedClangName DriverOnly2("clang++", "--driver-mode=g++");
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EXPECT_TRUE(DriverOnly2.TargetPrefix.empty());
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EXPECT_TRUE(DriverOnly2.ModeSuffix == "clang++");
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EXPECT_STREQ(DriverOnly2.DriverMode, "--driver-mode=g++");
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EXPECT_FALSE(DriverOnly2.TargetIsValid);
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ParsedClangName TargetAndMode("i386", "clang-g++", "--driver-mode=g++", true);
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EXPECT_TRUE(TargetAndMode.TargetPrefix == "i386");
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EXPECT_TRUE(TargetAndMode.ModeSuffix == "clang-g++");
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EXPECT_STREQ(TargetAndMode.DriverMode, "--driver-mode=g++");
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EXPECT_TRUE(TargetAndMode.TargetIsValid);
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}
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TEST(ToolChainTest, GetTargetAndMode) {
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llvm::InitializeAllTargets();
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std::string IgnoredError;
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if (!llvm::TargetRegistry::lookupTarget("x86_64", IgnoredError))
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return;
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ParsedClangName Res = ToolChain::getTargetAndModeFromProgramName("clang");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix == "clang");
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EXPECT_TRUE(Res.DriverMode == nullptr);
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("clang++");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix == "clang++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("clang++6.0");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix == "clang++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("clang++-release");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix == "clang++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("x86_64-clang++");
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EXPECT_TRUE(Res.TargetPrefix == "x86_64");
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EXPECT_TRUE(Res.ModeSuffix == "clang++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_TRUE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName(
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"x86_64-linux-gnu-clang-c++");
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EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
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EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_TRUE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName(
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"x86_64-linux-gnu-clang-c++-tot");
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EXPECT_TRUE(Res.TargetPrefix == "x86_64-linux-gnu");
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EXPECT_TRUE(Res.ModeSuffix == "clang-c++");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=g++");
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EXPECT_TRUE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("qqq");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix.empty());
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EXPECT_TRUE(Res.DriverMode == nullptr);
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("x86_64-qqq");
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EXPECT_TRUE(Res.TargetPrefix.empty());
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EXPECT_TRUE(Res.ModeSuffix.empty());
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EXPECT_TRUE(Res.DriverMode == nullptr);
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EXPECT_FALSE(Res.TargetIsValid);
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Res = ToolChain::getTargetAndModeFromProgramName("qqq-clang-cl");
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EXPECT_TRUE(Res.TargetPrefix == "qqq");
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EXPECT_TRUE(Res.ModeSuffix == "clang-cl");
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EXPECT_STREQ(Res.DriverMode, "--driver-mode=cl");
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EXPECT_FALSE(Res.TargetIsValid);
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}
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} // end anonymous namespace.
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