[Driver][FreeBSD][NFC] A bit of clean up

Author: brad0

clang/lib/Driver/ToolChains/FreeBSD.cpp

@@ -30,13 +30,16 @@ void freebsd::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
                                       const InputInfoList &Inputs,
                                       const ArgList &Args,
                                       const char *LinkingOutput) const {
-  claimNoWarnArgs(Args);
-  ArgStringList CmdArgs;
+  const auto &ToolChain = static_cast<const FreeBSD &>(getToolChain());
   const auto &D = getToolChain().getDriver();
+  const llvm::Triple &Triple = ToolChain.getTriple();
+  ArgStringList CmdArgs;
+
+  claimNoWarnArgs(Args);
 
   // When building 32-bit code on FreeBSD/amd64, we have to explicitly
   // instruct as in the base system to assemble 32-bit code.
-  switch (getToolChain().getArch()) {
+  switch (ToolChain.getArch()) {
   default:
     break;
   case llvm::Triple::x86:
@@ -52,15 +55,15 @@ void freebsd::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
   case llvm::Triple::mips64el: {
     StringRef CPUName;
     StringRef ABIName;
-    mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
+    mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName);
 
     CmdArgs.push_back("-march");
     CmdArgs.push_back(CPUName.data());
 
     CmdArgs.push_back("-mabi");
     CmdArgs.push_back(mips::getGnuCompatibleMipsABIName(ABIName).data());
 
-    if (getToolChain().getTriple().isLittleEndian())
+    if (Triple.isLittleEndian())
       CmdArgs.push_back("-EL");
     else
       CmdArgs.push_back("-EB");
@@ -71,14 +74,14 @@ void freebsd::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
       A->claim();
     }
 
-    AddAssemblerKPIC(getToolChain(), Args, CmdArgs);
+    AddAssemblerKPIC(ToolChain, Args, CmdArgs);
     break;
   }
   case llvm::Triple::arm:
   case llvm::Triple::armeb:
   case llvm::Triple::thumb:
   case llvm::Triple::thumbeb: {
-    arm::FloatABI ABI = arm::getARMFloatABI(getToolChain(), Args);
+    arm::FloatABI ABI = arm::getARMFloatABI(ToolChain, Args);
 
     if (ABI == arm::FloatABI::Hard)
       CmdArgs.push_back("-mfpu=vfp");
@@ -89,10 +92,9 @@ void freebsd::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
     break;
   }
   case llvm::Triple::sparcv9: {
-    std::string CPU = getCPUName(D, Args, getToolChain().getTriple());
-    CmdArgs.push_back(
-        sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple()));
-    AddAssemblerKPIC(getToolChain(), Args, CmdArgs);
+    std::string CPU = getCPUName(D, Args, Triple);
+    CmdArgs.push_back(sparc::getSparcAsmModeForCPU(CPU, Triple));
+    AddAssemblerKPIC(ToolChain, Args, CmdArgs);
     break;
   }
   }
@@ -118,7 +120,7 @@ void freebsd::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
   for (const auto &II : Inputs)
     CmdArgs.push_back(II.getFilename());
 
-  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
+  const char *Exec = Args.MakeArgString(ToolChain.GetProgramPath("as"));
   C.addCommand(std::make_unique<Command>(JA, *this,
                                          ResponseFileSupport::AtFileCurCP(),
                                          Exec, CmdArgs, Inputs, Output));
@@ -366,10 +368,12 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
                    options::OPT_r)) {
+    const char *crtend = nullptr;
     if (Args.hasArg(options::OPT_shared) || IsPIE)
-      CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
+      crtend = "crtendS.o";
     else
-      CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
+      crtend = "crtend.o";
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
   }