418   if (!D.SysRoot.empty())  in ConstructJob()
419     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));  in ConstructJob()
1873                                           llvm::StringRef SysRoot) {  in getGCCToolchainDir()  argument
1881   if (!SysRoot.empty())  in getGCCToolchainDir()
1913   StringRef GCCToolchainDir = getGCCToolchainDir(Args, D.SysRoot);  in init()
1921     if (!D.SysRoot.empty()) {  in init()
1922       Prefixes.push_back(D.SysRoot);  in init()
1923       AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);  in init()
1931     if (D.SysRoot.empty()) {  in init()
1933       AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);  in init()
2023     StringRef SysRoot) {  in AddDefaultGCCPrefixes()  argument
2031     std::string PrefixDir = SysRoot.str() + "/usr/gcc";  in AddDefaultGCCPrefixes()
2054   if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux) {  in AddDefaultGCCPrefixes()
2065   Prefixes.push_back(SysRoot.str() + "/usr");  in AddDefaultGCCPrefixes()
2580   if (!D.getVFS().exists(D.SysRoot + GentooConfigDir))  in ScanGentooConfigs()
2599       D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/config-" +  in ScanGentooGccConfig()
2611           D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/" +  in ScanGentooGccConfig()
2645         std::string GentooPath = D.SysRoot + std::string(GentooScanPath);  in ScanGentooGccConfig()
2791                                    const std::string &SysRoot,  in AddMultilibPaths()  argument
2844     if (StringRef(LibPath).startswith(SysRoot))  in AddMultilibPaths()
2850                                     const std::string &SysRoot,  in AddMultiarchPaths()  argument
2904   std::string SysRoot = computeSysRoot();  in addLibCxxIncludePaths()  local
2930   if (AddIncludePath(SysRoot + "/usr/local/include"))  in addLibCxxIncludePaths()
2932   if (AddIncludePath(SysRoot + "/usr/include"))  in addLibCxxIncludePaths()