Start processing function blocks in Subzero.

src/IceTypes.h

Index: src/IceTypes.h
diff --git a/src/IceTypes.h b/src/IceTypes.h
index 6bc2ded5ec63f8d9d388eef2cd14426a7a6b8928..51db075f765928590b2c70a8e4126463af80b22b 100644
--- a/src/IceTypes.h
+++ b/src/IceTypes.h
@@ -46,9 +46,13 @@ size_t typeAlignInBytes(Type Ty);
 size_t typeNumElements(Type Ty);
 Type typeElementType(Type Ty);
 
-inline bool isVectorType(Type Ty) { return typeNumElements(Ty) > 1; }
+bool isScalarIntegerType(Type Ty);
+bool isScalarFloatingType(Type Ty);
+bool isVectorType(Type Ty);
+bool isVectorIntegerType(Type Ty);
+bool isVectorFloatingType(Type Ty);
 
-template <> Ostream &operator<<(class Ostream &Str, const Type &Ty);
+Ostream &operator<<(class Ostream &Str, const Type &Ty);
 
 } // end of namespace Ice