diff --git a/hphp/runtime/vm/translator/hopt/hhbctranslator.cpp b/hphp/runtime/vm/translator/hopt/hhbctranslator.cpp
index 9959f8576..74f7283ac 100644
--- a/hphp/runtime/vm/translator/hopt/hhbctranslator.cpp
+++ b/hphp/runtime/vm/translator/hopt/hhbctranslator.cpp
@@ -2020,15 +2020,15 @@ void HhbcTranslator::emitCastArray() {
     push(src);
   } else if (fromType.isNull()) {
     push(m_tb->genDefConst(HphpArray::GetStaticEmptyArray()));
-  } else if (fromType.equals(Type::Bool)) {
+  } else if (fromType.isBool()) {
     push(m_tb->gen(ConvBoolToArr, src));
-  } else if (fromType.equals(Type::Dbl)) {
+  } else if (fromType.isDbl()) {
     push(m_tb->gen(ConvDblToArr, src));
-  } else if (fromType.equals(Type::Int)) {
+  } else if (fromType.isInt()) {
     push(m_tb->gen(ConvIntToArr, src));
   } else if (fromType.isString()) {
     push(m_tb->gen(ConvStrToArr, src));
-  } else if (fromType.subtypeOf(Type::Obj)) {
+  } else if (fromType.isObj()) {
     push(m_tb->gen(ConvObjToArr, src));
   } else {
     push(m_tb->gen(ConvGenToArr, src));
@@ -2044,19 +2044,19 @@ void HhbcTranslator::emitCastBool() {
 void HhbcTranslator::emitCastDouble() {
   SSATmp* src = popC();
   Type fromType = src->getType();
-  if (fromType.equals(Type::Dbl)) {
+  if (fromType.isDbl()) {
     push(src);
   } else if (fromType.isNull()) {
     push(m_tb->genDefConst(0.0));
   } else if (fromType.isArray()) {
     push(m_tb->gen(ConvArrToDbl, src));
-  } else if (fromType.equals(Type::Bool)) {
+  } else if (fromType.isBool()) {
     push(m_tb->gen(ConvBoolToDbl, src));
-  } else if (fromType.equals(Type::Int)) {
+  } else if (fromType.isInt()) {
     push(m_tb->gen(ConvIntToDbl, src));
   } else if (fromType.isString()) {
     push(m_tb->gen(ConvStrToDbl, src));
-  } else if (fromType.subtypeOf(Type::Obj)) {
+  } else if (fromType.isObj()) {
     spillStack(); // may throw
     push(m_tb->gen(ConvObjToDbl, src));
   } else {
diff --git a/hphp/runtime/vm/translator/hopt/ir.h b/hphp/runtime/vm/translator/hopt/ir.h
index a3180351c..c31e2650b 100644
--- a/hphp/runtime/vm/translator/hopt/ir.h
+++ b/hphp/runtime/vm/translator/hopt/ir.h
@@ -1161,14 +1161,30 @@ public:
     return subtypeOf(Arr);
   }
 
-  bool isString() const {
-    return subtypeOf(Str);
+  bool isBool() const {
+    return subtypeOf(Bool);
+  }
+
+  bool isDbl() const {
+    return subtypeOf(Dbl);
+  }
+
+  bool isInt() const {
+    return subtypeOf(Int);
   }
 
   bool isNull() const {
     return subtypeOf(Null);
   }
 
+  bool isObj() const {
+    return subtypeOf(Obj);
+  }
+
+  bool isString() const {
+    return subtypeOf(Str);
+  }
+
   Type innerType() const {
     assert(isBoxed());
     return Type(m_bits >> kBoxShift);