[clang] Add MorphOS Target

[js]

Summary

This adds MorphOS to Target and sets up the required defines.

clang/lib/Basic/Targets.cpp

       return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
     case llvm::Triple::AIX:
       return new AIXPPC32TargetInfo(Triple, Opts);
+    case llvm::Triple::MorphOS:
+      return new MorphOSTargetInfo<PPC32TargetInfo>(Triple, Opts);
     default:
       return new PPC32TargetInfo(Triple, Opts);
     }

clang/lib/Basic/Targets/OSTargets.h

   }
 };
 
+// MorphOS target
+template <typename Target>
+class LLVM_LIBRARY_VISIBILITY MorphOSTargetInfo : public OSTargetInfo<Target> {
+protected:
+  void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
+                    MacroBuilder &Builder) const override {
+    Builder.defineMacro("__MORPHOS__");
+    Builder.defineMacro("__morphos__");
+    Builder.defineMacro("__amigaos");
+    Builder.defineMacro("__amigaos__");
+    Builder.defineMacro("amigaos");
+    Builder.defineMacro("AMIGA");
+    Builder.defineMacro("_AMIGA");
+    Builder.defineMacro("__AMIGA");
+    Builder.defineMacro("__ELF__");
+    Builder.defineMacro("_CALL_SYSV");
+    Builder.defineMacro("__saveds", "__attribute__((__saveds__))");
+  }
+
+public:
+  MorphOSTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+      : OSTargetInfo<Target>(Triple, Opts) {
+    this->SizeType = TargetInfo::UnsignedInt;
+    this->IntPtrType = TargetInfo::SignedLong;
+    this->PtrDiffType = TargetInfo::SignedLong;
+    this->TLSSupported = false;
+  }
+};
+
 } // namespace targets
 } // namespace clang
 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_OSTARGETS_H

clang/lib/Basic/Targets/PPC.h

   using AIXTargetInfo::AIXTargetInfo;
 };
 
+class LLVM_LIBRARY_VISIBILITY MorphOSPPC32TargetInfo :
+  public MorphOSTargetInfo<PPC32TargetInfo> {
+public:
+  using MorphOSTargetInfo::MorphOSTargetInfo;
+};
+
 } // namespace targets
 } // namespace clang
 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_PPC_H

clang/test/Sema/tls.c

 // Haiku does not support TLS.
 // RUN: not %clang_cc1 -triple i586-pc-haiku -fsyntax-only %s
 
+// MorphOS does not support TLS.
+// RUN: not %clang_cc1 -triple ppc-morphos -fsyntax-only %s
+
 __thread int x;