Remove unused checking function for unboxed types.

Tag #1030

js/src/jit/MIR.cpp

@@ -2630,40 +2630,6 @@ jit::EqualTypes(MIRType type1, TemporaryTypeSet* typeset1,
     return typeset1->equals(typeset2);
 }
 
-// Tests whether input/inputTypes can always be stored to an unboxed
-// object/array property with the given unboxed type.
-bool
-jit::CanStoreUnboxedType(TempAllocator& alloc,
-                         JSValueType unboxedType, MIRType input, TypeSet* inputTypes)
-{
-    TemporaryTypeSet types;
-
-    switch (unboxedType) {
-      case JSVAL_TYPE_BOOLEAN:
-      case JSVAL_TYPE_INT32:
-      case JSVAL_TYPE_DOUBLE:
-      case JSVAL_TYPE_STRING:
-        types.addType(TypeSet::PrimitiveType(unboxedType), alloc.lifoAlloc());
-        break;
-
-      case JSVAL_TYPE_OBJECT:
-        types.addType(TypeSet::AnyObjectType(), alloc.lifoAlloc());
-        types.addType(TypeSet::NullType(), alloc.lifoAlloc());
-        break;
-
-      default:
-        MOZ_CRASH("Bad unboxed type");
-    }
-
-    return TypeSetIncludes(&types, input, inputTypes);
-}
-
-static bool
-CanStoreUnboxedType(TempAllocator& alloc, JSValueType unboxedType, MDefinition* value)
-{
-    return CanStoreUnboxedType(alloc, unboxedType, value->type(), value->resultTypeSet());
-}
-
 bool
 MPhi::specializeType(TempAllocator& alloc)
 {