[SchedModel] Record::getName() returns StringRef - avoid std::string creation. NFCI.

llvm-svn: 328437

diff --git a/llvm/utils/TableGen/CodeGenSchedule.cpp b/llvm/utils/TableGen/CodeGenSchedule.cpp
index b73e076..ff5353d 100644 (file)
--- a/llvm/utils/TableGen/CodeGenSchedule.cpp
+++ b/llvm/utils/TableGen/CodeGenSchedule.cpp
@@ -387,9 +387,9 @@ void CodeGenSchedModels::collectSchedRW() {
     RecVec RWDefs = Records.getAllDerivedDefinitions("SchedReadWrite");
     for (Record *RWDef : RWDefs) {
       if (!getSchedRWIdx(RWDef, RWDef->isSubClassOf("SchedRead"))) {
-        const std::string &Name = RWDef->getName();
+        StringRef Name = RWDef->getName();
         if (Name != "NoWrite" && Name != "ReadDefault")
-          dbgs() << "Unused SchedReadWrite " << RWDef->getName() << '\n';
+          dbgs() << "Unused SchedReadWrite " << Name << '\n';
       }
     });
 }