476     if (char *env = ::getenv("SDKROOT")) {  in AddDeploymentTarget()  local
479       if (llvm::sys::path::is_absolute(env) && getVFS().exists(env) &&  in AddDeploymentTarget()
480           StringRef(env) != "/") {  in AddDeploymentTarget()
482             nullptr, Opts.getOption(options::OPT_isysroot), env));  in AddDeploymentTarget()
516     if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))  in AddDeploymentTarget()  local
517       OSXTarget = env;  in AddDeploymentTarget()
518     if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))  in AddDeploymentTarget()  local
519       iOSTarget = env;  in AddDeploymentTarget()
520     if (char *env = ::getenv("TVOS_DEPLOYMENT_TARGET"))  in AddDeploymentTarget()  local
521       TvOSTarget = env;  in AddDeploymentTarget()
522     if (char *env = ::getenv("WATCHOS_DEPLOYMENT_TARGET"))  in AddDeploymentTarget()  local
523       WatchOSTarget = env;  in AddDeploymentTarget()
1769                               StringRef Path, const ArgList &Args,  in findMIPSMultilibs()  argument
1796   FilterNonExistent NonExistent(Path, D.getVFS());  in findMIPSMultilibs()
2099                                 StringRef Path, const ArgList &Args,  in findBiarchMultilibs()  argument
2129   FilterNonExistent NonExistent(Path, D.getVFS());  in findBiarchMultilibs()
2478     for (const auto &Path : IncludePaths)  in AddClangSystemIncludeArgs()  local
2479       addExternCSystemIncludeIfExists(DriverArgs, CC1Args, Path);  in AddClangSystemIncludeArgs()
2526     for (const auto &Path : IncludePaths) {  in AddClangCXXStdlibIncludeArgs()  local
2527       if (llvm::sys::fs::exists(Path + "/c++/v1")) {  in AddClangCXXStdlibIncludeArgs()
2528         addSystemInclude(DriverArgs, CC1Args, Path + "/c++/v1");  in AddClangCXXStdlibIncludeArgs()
2548   SmallString<128> Path(getDriver().ResourceDir);  in getCompilerRT()  local
2549   llvm::sys::path::append(Path, SelectedMultilib.osSuffix(), "lib" + LibSuffix,  in getCompilerRT()
2551   llvm::sys::path::append(Path, Twine("libclang_rt." + Component + "-" +  in getCompilerRT()
2553   return Path.str();  in getCompilerRT()
2930   std::string Path(getDriver().Dir);  in TCEToolChain()  local
2932   Path += "/../libexec";  in TCEToolChain()
2933   getProgramPaths().push_back(Path);  in TCEToolChain()
3284 static void addPathIfExists(const Driver &D, const Twine &Path,  in addPathIfExists()  argument
3286   if (D.getVFS().exists(Path))  in addPathIfExists()
3287     Paths.push_back(Path.str());  in addPathIfExists()
3831   std::string Path =  in computeSysRoot()  local
3835   if (getVFS().exists(Path))  in computeSysRoot()
3836     return Path;  in computeSysRoot()
3838   Path = (InstallDir + "/../../../../sysroot" + Multilib.osSuffix()).str();  in computeSysRoot()
3840   if (getVFS().exists(Path))  in computeSysRoot()
3841     return Path;  in computeSysRoot()
3889       for (const auto &Path : IncludePaths)  in AddClangSystemIncludeArgs()  local
3890         addExternCSystemIncludeIfExists(DriverArgs, CC1Args, Path);  in AddClangSystemIncludeArgs()