523         if (ToolChain.getVFS().exists(crtbegin))  in ConstructJob()
644           if (ToolChain.getVFS().exists(crtend))  in ConstructJob()
1432   FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());  in findMIPSMultilibs()
1467     return findMipsAndroidMultilibs(D.getVFS(), Path, Flags, NonExistent,  in findMIPSMultilibs()
1506   FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());  in findAndroidArmMultilibs()
1547   FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());  in findMSP430Multilibs()
1573   FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());  in findRISCVBareMetalMultilibs()
1629   FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());  in findRISCVMultilibs()
1712       Path, TargetTriple.isOSIAMCU() ? "/libgcc.a" : "/crtbegin.o", D.getVFS());  in findBiarchMultilibs()
1946     auto &VFS = D.getVFS();  in init()
2014     for (llvm::vfs::directory_iterator LI = D.getVFS().dir_begin(PrefixDir, EC),  in AddDefaultGCCPrefixes()
2026       if (!D.getVFS().exists(CandidateLibPath))  in AddDefaultGCCPrefixes()
2517              LI = D.getVFS().dir_begin(LibDir + "/" + LibSuffix, EC),  in ScanLibDirForGCCTriple()
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()
2616         if (D.getVFS().exists(GentooPath + "/crtbegin.o")) {  in ScanGentooGccConfig()
2914     std::string IncludePath = DetectLibcxxIncludePath(getVFS(), Path);  in addLibCxxIncludePaths()
2915     if (IncludePath.empty() || !getVFS().exists(IncludePath))  in addLibCxxIncludePaths()
2940   if (!getVFS().exists(Base + Suffix))  in addLibStdCXXIncludePaths()
2949       getVFS().exists(Base + Suffix + "/" + GCCTriple + IncludeSuffix)) {  in addLibStdCXXIncludePaths()