[TableGen] Use StringRef instead of std::string for CodeGenInstruction namespace. NFC
llvm-svn: 307362
diff --git a/llvm/utils/TableGen/CodeGenTarget.h b/llvm/utils/TableGen/CodeGenTarget.h
index c822e94..ff624ea5 100644
--- a/llvm/utils/TableGen/CodeGenTarget.h
+++ b/llvm/utils/TableGen/CodeGenTarget.h
@@ -86,7 +86,7 @@
/// getInstNamespace - Return the target-specific instruction namespace.
///
- std::string getInstNamespace() const;
+ StringRef getInstNamespace() const;
/// getInstructionSet - Return the InstructionSet object.
///