[AMDGPU] gfx1010 SearchableTableEmitter patch for NSA

This part was accidentally missing from NSA image support commit.

Differential Revision: https://reviews.llvm.org/D61868

llvm-svn: 360623
diff --git a/llvm/utils/TableGen/SearchableTableEmitter.cpp b/llvm/utils/TableGen/SearchableTableEmitter.cpp
index dc5660a..954b63e 100644
--- a/llvm/utils/TableGen/SearchableTableEmitter.cpp
+++ b/llvm/utils/TableGen/SearchableTableEmitter.cpp
@@ -141,7 +141,7 @@
   bool compareBy(Record *LHS, Record *RHS, const SearchIndex &Index);
 
   bool isIntegral(Init *I) {
-    return isa<BitsInit>(I) || isIntrinsic(I);
+    return isa<BitsInit>(I) || isa<CodeInit>(I) || isIntrinsic(I);
   }
 
   std::string searchableFieldType(const GenericField &Field, TypeContext Ctx) {