Add Module::getTypeName
llvm-svn: 2237
diff --git a/llvm/lib/VMCore/Module.cpp b/llvm/lib/VMCore/Module.cpp
index 74b5f4b..f3d7cd9 100644
--- a/llvm/lib/VMCore/Module.cpp
+++ b/llvm/lib/VMCore/Module.cpp
@@ -86,6 +86,26 @@
return false;
}
+// getTypeName - If there is at least one entry in the symbol table for the
+// specified type, return it.
+//
+std::string Module::getTypeName(const Type *Ty) {
+ const SymbolTable *ST = getSymbolTable();
+ if (ST == 0) return ""; // No symbol table, must not have an entry...
+ if (ST->find(Type::TypeTy) == ST->end())
+ return ""; // No names for types...
+
+ SymbolTable::type_const_iterator TI = ST->type_begin(Type::TypeTy);
+ SymbolTable::type_const_iterator TE = ST->type_end(Type::TypeTy);
+
+ while (TI != TE && TI->second != (const Value*)Ty)
+ ++TI;
+
+ if (TI != TE) // Must have found an entry!
+ return TI->first;
+ return ""; // Must not have found anything...
+}
+
// dropAllReferences() - This function causes all the subinstructions to "let
// go" of all references that they are maintaining. This allows one to