Remove needless type conversions.

llvm-svn: 301513

diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp
index b5c3054..b032dc8 100644 (file)
--- a/lld/ELF/InputFiles.cpp
+++ b/lld/ELF/InputFiles.cpp
@@ -748,7 +748,7 @@ template <class ELFT> void SharedFile<ELFT>::parseRest() {
     // with explicit versions.
     if (V) {
       StringRef VerName = this->StringTable.data() + V->getAux()->vda_name;
-      Name = Saver.save(Twine(Name) + "@" + VerName);
+      Name = Saver.save(Name + "@" + VerName);
       elf::Symtab<ELFT>::X->addShared(this, Name, Sym, V);
     }
   }
@@ -891,9 +891,9 @@ template <class ELFT> void BinaryFile::parse() {
   std::transform(Filename.begin(), Filename.end(), Filename.begin(),
                  [](char C) { return isalnum(C) ? C : '_'; });
   Filename = "_binary_" + Filename;
-  StringRef StartName = Saver.save(Twine(Filename) + "_start");
-  StringRef EndName = Saver.save(Twine(Filename) + "_end");
-  StringRef SizeName = Saver.save(Twine(Filename) + "_size");
+  StringRef StartName = Saver.save(Filename + "_start");
+  StringRef EndName = Saver.save(Filename + "_end");
+  StringRef SizeName = Saver.save(Filename + "_size");
 
   auto *Section =
       make<InputSection>(SHF_ALLOC | SHF_WRITE, SHT_PROGBITS, 8, Data, ".data");

diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 989a55a..f4d41eb 100644 (file)
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -101,7 +101,7 @@ StringRef elf::getOutputSectionName(StringRef Name) {
     for (StringRef V : {".rel.", ".rela."}) {
       if (Name.startswith(V)) {
         StringRef Inner = getOutputSectionName(Name.substr(V.size() - 1));
-        return Saver.save(Twine(V.drop_back()) + Inner);
+        return Saver.save(V.drop_back() + Inner);
       }
     }
   }
@@ -123,7 +123,7 @@ StringRef elf::getOutputSectionName(StringRef Name) {
   // ".zdebug_" is a prefix for ZLIB-compressed sections.
   // Because we decompressed input sections, we want to remove 'z'.
   if (Name.startswith(".zdebug_"))
-    return Saver.save(Twine(".") + Name.substr(2));
+    return Saver.save("." + Name.substr(2));
   return Name;
 }