[Clang] Move Hexagon / VE IAS enabling to Generic_GCC::IsIntegratedAssemblerDefault, NFC

[brad]

Summary

Move enabling of IAS back to Generic_GCC::IsIntegratedAssemblerDefault().

[brad]

Update after CSKy addition.

[MaskRay]

LGTM. The subject can be changed to mention NFC.

clang/lib/Driver/ToolChains/Gnu.cpp

bool Generic_GCC::IsIntegratedAssemblerDefault() const {
   case llvm::Triple::aarch64:
   case llvm::Triple::aarch64_be:
   case llvm::Triple::arm:
   case llvm::Triple::armeb:
   case llvm::Triple::avr:
   case llvm::Triple::bpfel:
   case llvm::Triple::bpfeb:
   case llvm::Triple::csky:
+  case llvm::Triple::hexagon:
   case llvm::Triple::thumb:
   case llvm::Triple::thumbeb:
   case llvm::Triple::ppc:
   case llvm::Triple::ppcle:
   case llvm::Triple::ppc64:
   case llvm::Triple::ppc64le:
   case llvm::Triple::riscv32:
   case llvm::Triple::riscv64:
   case llvm::Triple::sparc:
   case llvm::Triple::sparcel:
   case llvm::Triple::sparcv9:
   case llvm::Triple::systemz:
   case llvm::Triple::mips:
   case llvm::Triple::mipsel:
   case llvm::Triple::mips64:
   case llvm::Triple::mips64el:
   case llvm::Triple::msp430:
   case llvm::Triple::m68k:
+  case llvm::Triple::ve:
     return true;
   default:
     return false;
   }
 }
 
 void Generic_GCC::PushPPaths(ToolChain::path_list &PPaths) {
   // Cross-compiling binutils and GCC installations (vanilla and openSUSE at

clang/lib/Driver/ToolChains/Hexagon.h

public:
   }
 
   CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
 
   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
                            llvm::opt::ArgStringList &CmdArgs) const override;
 
   StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
-  bool IsIntegratedAssemblerDefault() const override {
-    return true;
-  }
 
   std::string getHexagonTargetDir(
       const std::string &InstalledDir,
       const SmallVectorImpl<std::string> &PrefixDirs) const;
   void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
       ToolChain::path_list &LibPaths) const;
 
   std::string getCompilerRTPath() const override;

clang/lib/Driver/ToolChains/VEToolchain.h

public:
   VEToolChain(const Driver &D, const llvm::Triple &Triple,
               const llvm::opt::ArgList &Args);
 
 protected:
   Tool *buildAssembler() const override;
   Tool *buildLinker() const override;
 
 public:
-  bool IsIntegratedAssemblerDefault() const override { return true; }
   bool isPICDefault() const override;
   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
   bool isPICDefaultForced() const override;
   bool SupportsProfiling() const override;
   bool hasBlocksRuntime() const override;
   void
   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                             llvm::opt::ArgStringList &CC1Args) const override;