of a std::string. This avoids copying the string to the heap in common
cases. Patch by Pratik Solanki!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52834
91177308-0d34-0410-b5e6-
96231b3b80d8
/// getFunction - Look up the specified function in the module symbol table.
/// If it does not exist, return null.
Function *getFunction(const std::string &Name) const;
+ Function *getFunction(const char *Name) const;
/// @}
/// @name Global Variable Accessors
/// @returns the value associated with the \p name
/// @brief Lookup a named Value.
Value *lookup(const std::string &name) const;
+ Value *lookup(const char *NameBegin, const char *NameEnd) const;
/// @returns true iff the symbol table is empty
/// @brief Determine if the symbol table is empty
return dyn_cast_or_null<Function>(SymTab.lookup(Name));
}
+Function *Module::getFunction(const char *Name) const {
+ const ValueSymbolTable &SymTab = getValueSymbolTable();
+ return dyn_cast_or_null<Function>(SymTab.lookup(Name, Name+strlen(Name)));
+}
+
//===----------------------------------------------------------------------===//
// Methods for easy access to the global variables in the module.
//
return 0;
}
+Value *ValueSymbolTable::lookup(const char *NameBegin,
+ const char *NameEnd) const {
+ const_iterator VI = vmap.find(NameBegin, NameEnd);
+ if (VI != vmap.end()) // We found the symbol
+ return VI->getValue();
+ return 0;
+}
+
// Insert a value into the symbol table with the specified name...
//
void ValueSymbolTable::reinsertValue(Value* V) {