[llvm-objdump] Pass Twine by const reference instead of by value. NFCI.

diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 5ac25d7..3134f98 100644 (file)
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -29,6 +29,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/FaultMaps.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
 #include "llvm/DebugInfo/Symbolize/Symbolize.h"
@@ -448,7 +449,7 @@ std::string objdump::getFileNameForError(const object::Archive::Child &C,
   return "<file index: " + std::to_string(Index) + ">";
 }
 
-void objdump::reportWarning(Twine Message, StringRef File) {
+void objdump::reportWarning(const Twine &Message, StringRef File) {
   // Output order between errs() and outs() matters especially for archive
   // files where the output is per member object.
   outs().flush();
@@ -457,7 +458,7 @@ void objdump::reportWarning(Twine Message, StringRef File) {
 }
 
 LLVM_ATTRIBUTE_NORETURN void objdump::reportError(StringRef File,
-                                                  Twine Message) {
+                                                  const Twine &Message) {
   outs().flush();
   WithColor::error(errs(), ToolName) << "'" << File << "': " << Message << "\n";
   exit(1);
@@ -480,11 +481,11 @@ LLVM_ATTRIBUTE_NORETURN void objdump::reportError(Error E, StringRef FileName,
   exit(1);
 }
 
-static void reportCmdLineWarning(Twine Message) {
+static void reportCmdLineWarning(const Twine &Message) {
   WithColor::warning(errs(), ToolName) << Message << "\n";
 }
 
-LLVM_ATTRIBUTE_NORETURN static void reportCmdLineError(Twine Message) {
+LLVM_ATTRIBUTE_NORETURN static void reportCmdLineError(const Twine &Message) {
   WithColor::error(errs(), ToolName) << Message << "\n";
   exit(1);
 }

diff --git a/llvm/tools/llvm-objdump/llvm-objdump.h b/llvm/tools/llvm-objdump/llvm-objdump.h
index 4cee354..99bf191 100644 (file)
--- a/llvm/tools/llvm-objdump/llvm-objdump.h
+++ b/llvm/tools/llvm-objdump/llvm-objdump.h
@@ -18,6 +18,7 @@
 
 namespace llvm {
 class StringRef;
+class Twine;
 
 namespace object {
 class ELFObjectFileBase;
@@ -127,11 +128,11 @@ void printSymbolTable(const object::ObjectFile *O, StringRef ArchiveName,
 void printSymbol(const object::ObjectFile *O, const object::SymbolRef &Symbol,
                  StringRef FileName, StringRef ArchiveName,
                  StringRef ArchitectureName, bool DumpDynamic);
-LLVM_ATTRIBUTE_NORETURN void reportError(StringRef File, Twine Message);
+LLVM_ATTRIBUTE_NORETURN void reportError(StringRef File, const Twine &Message);
 LLVM_ATTRIBUTE_NORETURN void reportError(Error E, StringRef FileName,
                                          StringRef ArchiveName = "",
                                          StringRef ArchitectureName = "");
-void reportWarning(Twine Message, StringRef File);
+void reportWarning(const Twine &Message, StringRef File);
 
 template <typename T, typename... Ts>
 T unwrapOrError(Expected<T> EO, Ts &&... Args) {