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-rw-r--r--include/llvm/Module.h5
-rw-r--r--lib/VMCore/Module.cpp20
2 files changed, 25 insertions, 0 deletions
diff --git a/include/llvm/Module.h b/include/llvm/Module.h
index d94500a..cd15178 100644
--- a/include/llvm/Module.h
+++ b/include/llvm/Module.h
@@ -69,6 +69,11 @@ public:
//
bool addTypeName(const std::string &Name, const Type *Ty);
+ // getTypeName - If there is at least one entry in the symbol table for the
+ // specified type, return it.
+ //
+ std::string getTypeName(const Type *Ty);
+
// Get the underlying elements of the Module...
inline const GlobalListType &getGlobalList() const { return GlobalList; }
inline GlobalListType &getGlobalList() { return GlobalList; }
diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 74b5f4b..f3d7cd9 100644
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -86,6 +86,26 @@ bool Module::addTypeName(const std::string &Name, const Type *Ty) {
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