diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index e05ab4a..d2847a9 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -394,8 +394,7 @@
 
   // Filter out intrinsics
 
-  if (!Rec->isSubClassOf("X86Inst"))
-    return FILTER_STRONG;
+  assert(Rec->isSubClassOf("X86Inst") && "Can only filter X86 instructions");
 
   if (Form == X86Local::Pseudo ||
       (IsCodeGenOnly && Name.find("_REV") == Name.npos))
@@ -544,7 +543,7 @@
 void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
   Spec->name       = Name;
 
-  if (!Rec->isSubClassOf("X86Inst"))
+  if (!ShouldBeEmitted)
     return;
 
   switch (filter()) {
@@ -587,9 +586,6 @@
     }
   }
 
-  if (!ShouldBeEmitted)
-    return;
-
 #define HANDLE_OPERAND(class)               \
   handleOperand(false,                      \
                 operandIndex,               \