[clang] [Clang][ByteCode][NFC] Avoid copies by using move in Disasm.cpp (PR #146127)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Shafik Yaghmour (shafik)

<details>
<summary>Changes</summary>

Static analysis flagged some cases we could avoid copies by using std::move in Disasm.cpp.

---
Full diff: https://github.com/llvm/llvm-project/pull/146127.diff


1 Files Affected:

- (modified) clang/lib/AST/ByteCode/Disasm.cpp (+4-4) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/Disasm.cpp b/clang/lib/AST/ByteCode/Disasm.cpp
index a3eecd06369b1..f64501f4a31e8 100644
--- a/clang/lib/AST/ByteCode/Disasm.cpp
+++ b/clang/lib/AST/ByteCode/Disasm.cpp
@@ -63,7 +63,7 @@ template <> inline std::string printArg<Floating>(Program &P, CodePtr &OpPC) {
 
   std::string S;
   llvm::raw_string_ostream SS(S);
-  SS << Result;
+  SS << std::move(Result);
   return S;
 }
 
@@ -81,7 +81,7 @@ inline std::string printArg<IntegralAP<false>>(Program &P, CodePtr &OpPC) {
 
   std::string Str;
   llvm::raw_string_ostream SS(Str);
-  SS << Result;
+  SS << std::move(Result);
   return Str;
 }
 
@@ -99,7 +99,7 @@ inline std::string printArg<IntegralAP<true>>(Program &P, CodePtr &OpPC) {
 
   std::string Str;
   llvm::raw_string_ostream SS(Str);
-  SS << Result;
+  SS << std::move(Result);
   return Str;
 }
 
@@ -109,7 +109,7 @@ template <> inline std::string printArg<FixedPoint>(Program &P, CodePtr &OpPC) {
 
   std::string Result;
   llvm::raw_string_ostream SS(Result);
-  SS << F;
+  SS << std::move(F);
   return Result;
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/146127