Doxygenize the documentation comments

src/IceTypes.h

 //===- subzero/src/IceTypes.h - Primitive ICE types -------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares a few properties of the primitive types allowed
@@ skipping 23 matching lines @@
 #undef X
       TargetArch_NUM
 };
 
 const char *targetArchString(TargetArch Arch);
 
 inline Ostream &operator<<(Ostream &Stream, TargetArch Arch) {
   return Stream << targetArchString(Arch);
 }
 
-// The list of all target instruction sets. Individual targets will
-// map this to include only what is valid for the target.
+/// The list of all target instruction sets. Individual targets will
+/// map this to include only what is valid for the target.
 enum TargetInstructionSet {
   // Represents baseline that can be assumed for a target (usually "Begin").
   BaseInstructionSet,
   X86InstructionSet_Begin,
   X86InstructionSet_SSE2 = X86InstructionSet_Begin,
   X86InstructionSet_SSE4_1,
   X86InstructionSet_End,
   ARM32InstructionSet_Begin,
   ARM32InstructionSet_Neon = ARM32InstructionSet_Begin,
   ARM32InstructionSet_HWDivArm,
@@ skipping 25 matching lines @@
 bool isLoadStoreType(Type Ty);
 
 /// Returns type generated by applying the compare instructions (icmp and fcmp)
 /// to arguments of the given type. Returns IceType_void if compare is not
 /// allowed.
 Type getCompareResultType(Type Ty);
 
 /// Returns the number of bits in a scalar integer type.
 SizeT getScalarIntBitWidth(Type Ty);
 
-// Check if a type is byte sized (slight optimization over typeWidthInBytes).
+/// Check if a type is byte sized (slight optimization over typeWidthInBytes).
 inline bool isByteSizedType(Type Ty) {
   bool result = Ty == IceType_i8 || Ty == IceType_i1;
   assert(result == (1 == typeWidthInBytes(Ty)));
   return result;
 }
 
-// Check if Ty is byte sized and specifically i8. Assert that it's not
-// byte sized due to being an i1.
+/// Check if Ty is byte sized and specifically i8. Assert that it's not
+/// byte sized due to being an i1.
 inline bool isByteSizedArithType(Type Ty) {
   assert(Ty != IceType_i1);
   return Ty == IceType_i8;
 }
 
-// Return true if Ty is i32. This asserts that Ty is either i32 or i64.
+/// Return true if Ty is i32. This asserts that Ty is either i32 or i64.
 inline bool isInt32Asserting32Or64(Type Ty) {
   bool result = Ty == IceType_i32;
   assert(result || Ty == IceType_i64);
   return result;
 }
 
-// Return true if Ty is f32. This asserts that Ty is either f32 or f64.
+/// Return true if Ty is f32. This asserts that Ty is either f32 or f64.
 inline bool isFloat32Asserting32Or64(Type Ty) {
   bool result = Ty == IceType_f32;
   assert(result || Ty == IceType_f64);
   return result;
 }
 
 template <typename StreamType>
 inline StreamType &operator<<(StreamType &Str, const Type &Ty) {
   Str << typeString(Ty);
   return Str;
 }
 
 /// Models a type signature for a function.
 class FuncSigType {
   FuncSigType &operator=(const FuncSigType &Ty) = delete;
 
 public:
   typedef std::vector<Type> ArgListType;
 
-  // Creates a function signature type with the given return type.
-  // Parameter types should be added using calls to appendArgType.
+  /// Creates a function signature type with the given return type.
+  /// Parameter types should be added using calls to appendArgType.
   FuncSigType() = default;
   FuncSigType(const FuncSigType &Ty) = default;
 
   void appendArgType(Type ArgType) { ArgList.push_back(ArgType); }
 
   Type getReturnType() const { return ReturnType; }
   void setReturnType(Type NewType) { ReturnType = NewType; }
   SizeT getNumArgs() const { return ArgList.size(); }
   Type getArgType(SizeT Index) const {
     assert(Index < ArgList.size());
     return ArgList[Index];
   }
   const ArgListType &getArgList() const { return ArgList; }
   void dump(Ostream &Stream) const;
 
 private:
-  // The return type.
+  /// The return type.
   Type ReturnType = IceType_void;
-  // The list of parameters.
+  /// The list of parameters.
   ArgListType ArgList;
 };
 
 inline Ostream &operator<<(Ostream &Stream, const FuncSigType &Sig) {
   Sig.dump(Stream);
   return Stream;
 }
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETYPES_H