[llvm] fixed #95641 pointless string copy (PR #127325)

[via llvm-commits]

https://github.com/sommersun updated https://github.com/llvm/llvm-project/pull/127325

>From b71e4152ec50434485e6750589271fd1fb6d7c6c Mon Sep 17 00:00:00 2001
From: sxx <948074686 at qq.com>
Date: Sat, 15 Feb 2025 21:56:28 +0800
Subject: [PATCH] #95641 pointless string copy

---
 llvm/include/llvm/TableGen/Record.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/include/llvm/TableGen/Record.h b/llvm/include/llvm/TableGen/Record.h
index e04ed34823148..334007524c954 100644
--- a/llvm/include/llvm/TableGen/Record.h
+++ b/llvm/include/llvm/TableGen/Record.h
@@ -1967,7 +1967,7 @@ class RecordKeeper {
   }
 
   void saveInputFilename(std::string Filename) {
-    InputFilename = Filename;
+    InputFilename = std::move(Filename);
   }
 
   void addClass(std::unique_ptr<Record> R) {