Change if-conversion to keep track of the extra cost due to microcoded

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGPrinter.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 6cae804422ce649f5c58dfc93741cfefdf59ad93..8313de5e32bbafa4287f3786a3541d18c7224b21 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -199,7 +199,7 @@ const std::string SelectionDAG::getGraphAttrs(const SDNode *N) const {
 #else
   errs() << "SelectionDAG::getGraphAttrs is only available in debug builds"
          << " on systems with Graphviz or gv!\n";
-  return std::string("");
+  return std::string();
 #endif
 }