Save getArch() in a local var instead of calling it 20 times, etc.

[dougk]

Summary

This should be NFC, but it's somewhat headache-inducing and in need of another pair of eyes.

[jroelofs]

LGTM with those fixes.

lib/Driver/Tools.cpp

1659

const?

3880

const?

7064

const?

7769

const?

7816

return should be on next line.

7819

return should be on next line.

7939

why are you changing the format of this line?

[dougk]

add 'const', and fix format issues

lib/Driver/Tools.cpp

7816

Done.

7819

Done.

7939

clang-format likes it this way. Should it be forced back the way it was?

[jroelofs]

lib/Driver/Tools.cpp

7939

hmm, weird. I don't have a strong preference, so go with what clang-format is telling you.

lib/Driver/Tools.cpp

if (Triple.getArchName() == "x86_64h") {
     Features.push_back("-rdrnd");
     Features.push_back("-aes");
     Features.push_back("-pclmul");
     Features.push_back("-rtm");
     Features.push_back("-hle");
     Features.push_back("-fsgsbase");
   }
 
+  llvm::Triple::ArchType ArchType = Triple.getArch();
   // Add features to be compatible with gcc for Android.
   if (Triple.getEnvironment() == llvm::Triple::Android) {
-    if (Triple.getArch() == llvm::Triple::x86_64) {
+    if (ArchType == llvm::Triple::x86_64) {
       Features.push_back("+sse4.2");
       Features.push_back("+popcnt");
     } else
       Features.push_back("+ssse3");
   }
 
   // Set features according to the -arch flag on MSVC.
   if (Arg *A = Args.getLastArg(options::OPT__SLASH_arch)) {
     StringRef Arch = A->getValue();
     bool ArchUsed = false;
     // First, look for flags that are shared in x86 and x86-64.
-    if (Triple.getArch() == llvm::Triple::x86_64 ||
-        Triple.getArch() == llvm::Triple::x86) {
+    if (ArchType == llvm::Triple::x86_64 || ArchType == llvm::Triple::x86) {
       if (Arch == "AVX" || Arch == "AVX2") {
         ArchUsed = true;
         Features.push_back(Args.MakeArgString("+" + Arch.lower()));
       }
     }
     // Then, look for x86-specific flags.
-    if (Triple.getArch() == llvm::Triple::x86) {
+    if (ArchType == llvm::Triple::x86) {
       if (Arch == "IA32") {
         ArchUsed = true;
       } else if (Arch == "SSE" || Arch == "SSE2") {
         ArchUsed = true;
         Features.push_back(Args.MakeArgString("+" + Arch.lower()));
       }
     }
     if (!ArchUsed)
#endif
   CheckCodeGenerationOptions(D, Args);
 
   bool PIE = getToolChain().isPIEDefault();
   bool PIC = PIE || getToolChain().isPICDefault();
   bool IsPICLevelTwo = PIC;
 
   // Android-specific defaults for PIC/PIE
   if (getToolChain().getTriple().getEnvironment() == llvm::Triple::Android) {
-    switch (getToolChain().getTriple().getArch()) {
+    switch (getToolChain().getArch()) {
     case llvm::Triple::arm:
     case llvm::Triple::armeb:
     case llvm::Triple::thumb:
     case llvm::Triple::thumbeb:
     case llvm::Triple::aarch64:
     case llvm::Triple::mips:
     case llvm::Triple::mipsel:
     case llvm::Triple::mips64:
if (getToolChain().getTriple().getEnvironment() == llvm::Triple::Android) {
 
     default:
       break;
     }
   }
 
   // OpenBSD-specific defaults for PIE
   if (getToolChain().getTriple().getOS() == llvm::Triple::OpenBSD) {
-    switch (getToolChain().getTriple().getArch()) {
+    switch (getToolChain().getArch()) {
     case llvm::Triple::mips64:
     case llvm::Triple::mips64el:
     case llvm::Triple::sparc:
     case llvm::Triple::sparcel:
     case llvm::Triple::x86:
     case llvm::Triple::x86_64:
       IsPICLevelTwo = false; // "-fpie"
       break;
default:
       // semantic analysis, etc.
       break;
     }
 
   const SanitizerArgs &Sanitize = getToolChain().getSanitizerArgs();
   Sanitize.addArgs(Args, CmdArgs);
 
   // Report an error for -faltivec on anything other than PowerPC.
-  if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
-    if (!(getToolChain().getArch() == llvm::Triple::ppc ||
-          getToolChain().getArch() == llvm::Triple::ppc64 ||
-          getToolChain().getArch() == llvm::Triple::ppc64le))
-      D.Diag(diag::err_drv_argument_only_allowed_with)
-        << A->getAsString(Args) << "ppc/ppc64/ppc64le";
+  if (const Arg *A = Args.getLastArg(options::OPT_faltivec)) {
+    llvm::Triple::ArchType Arch = getToolChain().getArch();
+    if (!(Arch == llvm::Triple::ppc || Arch == llvm::Triple::ppc64 ||
+          Arch == llvm::Triple::ppc64le))
+      D.Diag(diag::err_drv_argument_only_allowed_with) << A->getAsString(Args)
+                                                       << "ppc/ppc64/ppc64le";
+  }
 
   if (getToolChain().SupportsProfiling())
     Args.AddLastArg(CmdArgs, options::OPT_pg);
 
   // -flax-vector-conversions is default.
   if (!Args.hasFlag(options::OPT_flax_vector_conversions,
                     options::OPT_fno_lax_vector_conversions))
     CmdArgs.push_back("-fno-lax-vector-conversions");
if (Args.hasArg(options::OPT_mstack_probe_size)) {
     StringRef Size = Args.getLastArgValue(options::OPT_mstack_probe_size);
 
     if (!Size.empty())
       CmdArgs.push_back(Args.MakeArgString("-mstack-probe-size=" + Size));
     else
       CmdArgs.push_back("-mstack-probe-size=0");
   }
 
-  if (getToolChain().getTriple().getArch() == llvm::Triple::aarch64 ||
-      getToolChain().getTriple().getArch() == llvm::Triple::aarch64_be)
+  if (getToolChain().getArch() == llvm::Triple::aarch64 ||
+      getToolChain().getArch() == llvm::Triple::aarch64_be)
     CmdArgs.push_back("-fallow-half-arguments-and-returns");
 
   if (Arg *A = Args.getLastArg(options::OPT_mrestrict_it,
                                options::OPT_mno_restrict_it)) {
     if (A->getOption().matches(options::OPT_mrestrict_it)) {
       CmdArgs.push_back("-backend-option");
       CmdArgs.push_back("-arm-restrict-it");
     } else {
if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
       else
         CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
     }
   }
 
   // When ObjectiveC legacy runtime is in effect on MacOSX,
   // turn on the option to do Array/Dictionary subscripting
   // by default.
-  if (getToolChain().getTriple().getArch() == llvm::Triple::x86 &&
+  if (getToolChain().getArch() == llvm::Triple::x86 &&
       getToolChain().getTriple().isMacOSX() &&
       !getToolChain().getTriple().isMacOSXVersionLT(10, 7) &&
       objcRuntime.getKind() == ObjCRuntime::FragileMacOSX &&
       objcRuntime.isNeXTFamily())
     CmdArgs.push_back("-fobjc-subscripting-legacy-runtime");
   
   // -fencode-extended-block-signature=1 is default.
   if (getToolChain().IsEncodeExtendedBlockSignatureDefault()) {
void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs) const {
 
   // /EP should expand to -E -P.
   if (Args.hasArg(options::OPT__SLASH_EP)) {
     CmdArgs.push_back("-E");
     CmdArgs.push_back("-P");
   }
 
   unsigned VolatileOptionID;
-  if (getToolChain().getTriple().getArch() == llvm::Triple::x86_64 ||
-      getToolChain().getTriple().getArch() == llvm::Triple::x86)
+  if (getToolChain().getArch() == llvm::Triple::x86_64 ||
+      getToolChain().getArch() == llvm::Triple::x86)
     VolatileOptionID = options::OPT__SLASH_volatile_ms;
   else
     VolatileOptionID = options::OPT__SLASH_volatile_iso;
 
   if (Arg *A = Args.getLastArg(options::OPT__SLASH_volatile_Group))
     VolatileOptionID = A->getOption().getID();
 
   if (VolatileOptionID == options::OPT__SLASH_volatile_ms)
if (!Args.hasArg(options::OPT_nostdlib) &&
     if (!Args.hasArg(options::OPT_shared)) {
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lc_p");
       else
         CmdArgs.push_back("-lc");
     }
 
     StringRef MyArch;
-    switch (getToolChain().getTriple().getArch()) {
+    switch (getToolChain().getArch()) {
     case llvm::Triple::arm:
       MyArch = "arm";
       break;
     case llvm::Triple::x86:
       MyArch = "i386";
       break;
     case llvm::Triple::x86_64:
       MyArch = "amd64";
void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
   C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs));
 }
 
 void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
                                  const InputInfo &Output,
                                  const InputInfoList &Inputs,
                                  const ArgList &Args,
                                  const char *LinkingOutput) const {
-  const toolchains::FreeBSD& ToolChain = 
-    static_cast<const toolchains::FreeBSD&>(getToolChain());
+  const toolchains::FreeBSD &ToolChain =
+      static_cast<const toolchains::FreeBSD &>(getToolChain());
   const Driver &D = ToolChain.getDriver();
+  llvm::Triple::ArchType Arch = ToolChain.getArch();
   const bool IsPIE =
       !Args.hasArg(options::OPT_shared) &&
       (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
   ArgStringList CmdArgs;
 
   // Silence warning for "clang -g foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_g_Group);
   // and "clang -emit-llvm foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_emit_llvm);
   // and for "clang -w foo.o -o foo". Other warning options are already
   // handled somewhere else.
if (Args.hasArg(options::OPT_static)) {
     CmdArgs.push_back("--eh-frame-hdr");
     if (Args.hasArg(options::OPT_shared)) {
       CmdArgs.push_back("-Bshareable");
     } else {
       CmdArgs.push_back("-dynamic-linker");
       CmdArgs.push_back("/libexec/ld-elf.so.1");
     }
     if (ToolChain.getTriple().getOSMajorVersion() >= 9) {
-      llvm::Triple::ArchType Arch = ToolChain.getArch();
       if (Arch == llvm::Triple::arm || Arch == llvm::Triple::sparc ||
           Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
         CmdArgs.push_back("--hash-style=both");
       }
     }
     CmdArgs.push_back("--enable-new-dtags");
   }
 
   // When building 32-bit code on FreeBSD/amd64, we have to explicitly
   // instruct ld in the base system to link 32-bit code.
-  if (ToolChain.getArch() == llvm::Triple::x86) {
+  if (Arch == llvm::Triple::x86) {
     CmdArgs.push_back("-m");
     CmdArgs.push_back("elf_i386_fbsd");
   }
 
-  if (ToolChain.getArch() == llvm::Triple::ppc) {
+  if (Arch == llvm::Triple::ppc) {
     CmdArgs.push_back("-m");
     CmdArgs.push_back("elf32ppc_fbsd");
   }
 
   if (Output.isFilename()) {
     CmdArgs.push_back("-o");
     CmdArgs.push_back(Output.getFilename());
   } else {
static void AddLibgcc(const llvm::Triple &Triple, const Driver &D,
   // NOTE: This fixes a link error on Android MIPS as well.  The non-static
   // libgcc for MIPS relies on _Unwind_Find_FDE and dl_iterate_phdr from libdl.
   if (isAndroid && !StaticLibgcc)
     CmdArgs.push_back("-ldl");
 }
 
 static std::string getLinuxDynamicLinker(const ArgList &Args,
                                          const toolchains::Linux &ToolChain) {
+  llvm::Triple::ArchType Arch = ToolChain.getArch();
+
   if (ToolChain.getTriple().getEnvironment() == llvm::Triple::Android) {
     if (ToolChain.getTriple().isArch64Bit())
       return "/system/bin/linker64";
     else
       return "/system/bin/linker";
-  } else if (ToolChain.getArch() == llvm::Triple::x86 ||
-             ToolChain.getArch() == llvm::Triple::sparc ||
-             ToolChain.getArch() == llvm::Triple::sparcel)
+  } else if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::sparc ||
+             Arch == llvm::Triple::sparcel)
     return "/lib/ld-linux.so.2";
-  else if (ToolChain.getArch() == llvm::Triple::aarch64)
+  else if (Arch == llvm::Triple::aarch64)
     return "/lib/ld-linux-aarch64.so.1";
-  else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
+  else if (Arch == llvm::Triple::aarch64_be)
     return "/lib/ld-linux-aarch64_be.so.1";
-  else if (ToolChain.getArch() == llvm::Triple::arm ||
-           ToolChain.getArch() == llvm::Triple::thumb) {
+  else if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb) {
     if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
       return "/lib/ld-linux-armhf.so.3";
     else
       return "/lib/ld-linux.so.3";
-  } else if (ToolChain.getArch() == llvm::Triple::armeb ||
-             ToolChain.getArch() == llvm::Triple::thumbeb) {
+  } else if (Arch == llvm::Triple::armeb || Arch == llvm::Triple::thumbeb) {
+    // TODO: check which dynamic linker name.
     if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
-      return "/lib/ld-linux-armhf.so.3";        /* TODO: check which dynamic linker name.  */
+      return "/lib/ld-linux-armhf.so.3";
     else
-      return "/lib/ld-linux.so.3";              /* TODO: check which dynamic linker name.  */
-  } else if (ToolChain.getArch() == llvm::Triple::mips ||
-             ToolChain.getArch() == llvm::Triple::mipsel ||
-             ToolChain.getArch() == llvm::Triple::mips64 ||
-             ToolChain.getArch() == llvm::Triple::mips64el) {
+      return "/lib/ld-linux.so.3";
+  } else if (Arch == llvm::Triple::mips || Arch == llvm::Triple::mipsel ||
+             Arch == llvm::Triple::mips64 || Arch == llvm::Triple::mips64el) {
     StringRef CPUName;
     StringRef ABIName;
     mips::getMipsCPUAndABI(Args, ToolChain.getTriple(), CPUName, ABIName);
     bool IsNaN2008 = mips::isNaN2008(Args, ToolChain.getTriple());
 
     StringRef LibDir = llvm::StringSwitch<llvm::StringRef>(ABIName)
                            .Case("o32", "/lib")
                            .Case("n32", "/lib32")
                            .Case("n64", "/lib64")
                            .Default("/lib");
     StringRef LibName;
     if (mips::isUCLibc(Args))
       LibName = IsNaN2008 ? "ld-uClibc-mipsn8.so.0" : "ld-uClibc.so.0";
     else
       LibName = IsNaN2008 ? "ld-linux-mipsn8.so.1" : "ld.so.1";
 
     return (LibDir + "/" + LibName).str();
-  } else if (ToolChain.getArch() == llvm::Triple::ppc)
+  } else if (Arch == llvm::Triple::ppc)
     return "/lib/ld.so.1";
-  else if (ToolChain.getArch() == llvm::Triple::ppc64) {
-    if (ppc::hasPPCAbiArg(Args, "elfv2"))
-      return "/lib64/ld64.so.2";
-    return "/lib64/ld64.so.1";
-  } else if (ToolChain.getArch() == llvm::Triple::ppc64le) {
-    if (ppc::hasPPCAbiArg(Args, "elfv1"))
-      return "/lib64/ld64.so.1";
+  else if (Arch == llvm::Triple::ppc64) {
+    if (ppc::hasPPCAbiArg(Args, "elfv2")) return "/lib64/ld64.so.2";
+  } else if (Arch == llvm::Triple::ppc64le) {
+    if (ppc::hasPPCAbiArg(Args, "elfv1")) return "/lib64/ld64.so.1";
     return "/lib64/ld64.so.2";
-  } else if (ToolChain.getArch() == llvm::Triple::systemz)
+  } else if (Arch == llvm::Triple::systemz)
     return "/lib64/ld64.so.1";
-  else if (ToolChain.getArch() == llvm::Triple::sparcv9)
+  else if (Arch == llvm::Triple::sparcv9)
     return "/lib64/ld-linux.so.2";
-  else if (ToolChain.getArch() == llvm::Triple::x86_64 &&
+  else if (Arch == llvm::Triple::x86_64 &&
            ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUX32)
     return "/libx32/ld-linux-x32.so.2";
   else
     return "/lib64/ld-linux-x86-64.so.2";
 }
 
 static void AddRunTimeLibs(const ToolChain &TC, const Driver &D,
                            ArgStringList &CmdArgs, const ArgList &Args) {
static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
   }
 }
 
 void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA,
                                   const InputInfo &Output,
                                   const InputInfoList &Inputs,
                                   const ArgList &Args,
                                   const char *LinkingOutput) const {
-  const toolchains::Linux& ToolChain =
-    static_cast<const toolchains::Linux&>(getToolChain());
+  const toolchains::Linux &ToolChain =
+      static_cast<const toolchains::Linux &>(getToolChain());
   const Driver &D = ToolChain.getDriver();
+  llvm::Triple::ArchType Arch = ToolChain.getArch();
   const bool isAndroid =
       ToolChain.getTriple().getEnvironment() == llvm::Triple::Android;
   const bool IsPIE =
-    !Args.hasArg(options::OPT_shared) &&
-    !Args.hasArg(options::OPT_static) &&
+      !Args.hasArg(options::OPT_shared) && !Args.hasArg(options::OPT_static) &&
       (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
 
   ArgStringList CmdArgs;
 
   // Silence warning for "clang -g foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_g_Group);
   // and "clang -emit-llvm foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_emit_llvm);
   // and for "clang -w foo.o -o foo". Other warning options are already
   // handled somewhere else.
   Args.ClaimAllArgs(options::OPT_w);
 
   if (!D.SysRoot.empty())
     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
 
   if (IsPIE)
     CmdArgs.push_back("-pie");
 
   if (Args.hasArg(options::OPT_rdynamic))
     CmdArgs.push_back("-export-dynamic");
 
   if (Args.hasArg(options::OPT_s))
     CmdArgs.push_back("-s");
 
-  if (ToolChain.getArch() == llvm::Triple::armeb ||
-      ToolChain.getArch() == llvm::Triple::thumbeb)
-    arm::appendEBLinkFlags(Args, CmdArgs,
+  if (Arch == llvm::Triple::armeb || Arch == llvm::Triple::thumbeb)
+    arm::appendEBLinkFlags(
+        Args, CmdArgs,
         llvm::Triple(getToolChain().ComputeEffectiveClangTriple(Args)));
 
   for (const auto &Opt : ToolChain.ExtraOpts)
     CmdArgs.push_back(Opt.c_str());
 
   if (!Args.hasArg(options::OPT_static)) {
     CmdArgs.push_back("--eh-frame-hdr");
   }
 
   CmdArgs.push_back("-m");
   CmdArgs.push_back(getLDMOption(ToolChain.getTriple(), Args));
 
   if (Args.hasArg(options::OPT_static)) {
-    if (ToolChain.getArch() == llvm::Triple::arm ||
-        ToolChain.getArch() == llvm::Triple::armeb ||
-        ToolChain.getArch() == llvm::Triple::thumb ||
-        ToolChain.getArch() == llvm::Triple::thumbeb)
+    if (Arch == llvm::Triple::arm || Arch == llvm::Triple::armeb ||
+        Arch == llvm::Triple::thumb || Arch == llvm::Triple::thumbeb)
       CmdArgs.push_back("-Bstatic");
     else
       CmdArgs.push_back("-static");
   } else if (Args.hasArg(options::OPT_shared)) {
     CmdArgs.push_back("-shared");
   }
 
-  if (ToolChain.getArch() == llvm::Triple::arm ||
-      ToolChain.getArch() == llvm::Triple::armeb ||
-      ToolChain.getArch() == llvm::Triple::thumb ||
-      ToolChain.getArch() == llvm::Triple::thumbeb ||
+  if (Arch == llvm::Triple::arm || Arch == llvm::Triple::armeb ||
+      Arch == llvm::Triple::thumb || Arch == llvm::Triple::thumbeb ||
       (!Args.hasArg(options::OPT_static) &&
        !Args.hasArg(options::OPT_shared))) {
     CmdArgs.push_back("-dynamic-linker");
     CmdArgs.push_back(Args.MakeArgString(
         D.DyldPrefix + getLinuxDynamicLinker(Args, ToolChain)));
   }
 
   CmdArgs.push_back("-o");

 }
 
 
 // This is quite similar to gnutools::link::ConstructJob with changes that
 // we use static by default, do not yet support sanitizers or LTO, and a few
 // others. Eventually we can support more of that and hopefully migrate back
 // to gnutools::link.
 void nacltools::Link::ConstructJob(Compilation &C, const JobAction &JA,
                                    const InputInfo &Output,
                                    const InputInfoList &Inputs,
                                    const ArgList &Args,
                                    const char *LinkingOutput) const {
 
-  const toolchains::NaCl_TC& ToolChain =
-    static_cast<const toolchains::NaCl_TC&>(getToolChain());
+  const toolchains::NaCl_TC &ToolChain =
+      static_cast<const toolchains::NaCl_TC &>(getToolChain());
   const Driver &D = ToolChain.getDriver();
+  llvm::Triple::ArchType Arch = ToolChain.getArch();
   const bool IsStatic =
-    !Args.hasArg(options::OPT_dynamic) &&
-    !Args.hasArg(options::OPT_shared);
+      !Args.hasArg(options::OPT_dynamic) && !Args.hasArg(options::OPT_shared);
 
   ArgStringList CmdArgs;
 
   // Silence warning for "clang -g foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_g_Group);
   // and "clang -emit-llvm foo.o -o foo"
   Args.ClaimAllArgs(options::OPT_emit_llvm);
   // and for "clang -w foo.o -o foo". Other warning options are already
void nacltools::Link::ConstructJob(Compilation &C, const JobAction &JA,
   // NaCl_TC doesn't have ExtraOpts like Linux; the only relevant flag from
   // there is --build-id, which we do want.
   CmdArgs.push_back("--build-id");
 
   if (!IsStatic)
     CmdArgs.push_back("--eh-frame-hdr");
 
   CmdArgs.push_back("-m");
-  if (ToolChain.getArch() == llvm::Triple::x86)
+  if (Arch == llvm::Triple::x86)
     CmdArgs.push_back("elf_i386_nacl");
-  else if (ToolChain.getArch() == llvm::Triple::arm)
+  else if (Arch == llvm::Triple::arm)
     CmdArgs.push_back("armelf_nacl");
-  else if (ToolChain.getArch() == llvm::Triple::x86_64)
+  else if (Arch == llvm::Triple::x86_64)
     CmdArgs.push_back("elf_x86_64_nacl");
   else
-    D.Diag(diag::err_target_unsupported_arch) << ToolChain.getArchName() <<
-        "Native Client";
-
+    D.Diag(diag::err_target_unsupported_arch) << ToolChain.getArchName()
+                                              << "Native Client";
 
   if (IsStatic)
     CmdArgs.push_back("-static");
   else if (Args.hasArg(options::OPT_shared))
     CmdArgs.push_back("-shared");
 
   CmdArgs.push_back("-o");
   CmdArgs.push_back(Output.getFilename());