Use StringRef in Pass/PassManager APIs (NFC)

llvm-svn: 283004
diff --git a/llvm/lib/Target/Sparc/SparcISelDAGToDAG.cpp b/llvm/lib/Target/Sparc/SparcISelDAGToDAG.cpp
index 07948a3..77d44ce 100644
--- a/llvm/lib/Target/Sparc/SparcISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Sparc/SparcISelDAGToDAG.cpp
@@ -53,7 +53,7 @@
                                     unsigned ConstraintID,
                                     std::vector<SDValue> &OutOps) override;
 
-  const char *getPassName() const override {
+  StringRef getPassName() const override {
     return "SPARC DAG->DAG Pattern Instruction Selection";
   }