409   if (!D.SysRoot.empty())  in ConstructJob()
410     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));  in ConstructJob()
1854                                           llvm::StringRef SysRoot) {  in getGCCToolchainDir()  argument
1862   if (!SysRoot.empty())  in getGCCToolchainDir()
1896   StringRef GCCToolchainDir = getGCCToolchainDir(Args, D.SysRoot);  in init()
1904     if (!D.SysRoot.empty()) {  in init()
1905       Prefixes.push_back(D.SysRoot);  in init()
1906       AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);  in init()
1914     if (D.SysRoot.empty()) {  in init()
1916       AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);  in init()
1924   if (GCCToolchainDir == "" || GCCToolchainDir == D.SysRoot + "/usr") {  in init()
2004     StringRef SysRoot) {  in AddDefaultGCCPrefixes()  argument
2012     std::string PrefixDir = SysRoot.str() + "/usr/gcc";  in AddDefaultGCCPrefixes()
2035   if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux) {  in AddDefaultGCCPrefixes()
2045   Prefixes.push_back(SysRoot.str() + "/usr");  in AddDefaultGCCPrefixes()
2550   if (!D.getVFS().exists(D.SysRoot + GentooConfigDir))  in ScanGentooConfigs()
2569       D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/config-" +  in ScanGentooGccConfig()
2581           D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/" +  in ScanGentooGccConfig()
2615         std::string GentooPath = D.SysRoot + std::string(GentooScanPath);  in ScanGentooGccConfig()
2764                                    const std::string &SysRoot,  in AddMultilibPaths()  argument
2816     if (StringRef(LibPath).startswith(SysRoot)) {  in AddMultilibPaths()
2824                                     const std::string &SysRoot,  in AddMultiarchPaths()  argument
2831                     SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() +  in AddMultiarchPaths()
2855     if (StringRef(LibPath).startswith(SysRoot))  in AddMultiarchPaths()
2928   std::string SysRoot = computeSysRoot();  in addLibCxxIncludePaths()  local
2929   if (AddIncludePath(SysRoot + "/usr/local/include/c++"))  in addLibCxxIncludePaths()
2931   if (AddIncludePath(SysRoot + "/usr/include/c++"))  in addLibCxxIncludePaths()
2983       getDriver(), GCCInstallation.getTriple(), getDriver().SysRoot);  in addGCCLibStdCxxIncludePaths()
2985       getMultiarchTriple(getDriver(), getTriple(), getDriver().SysRoot);  in addGCCLibStdCxxIncludePaths()