[objdump] Use ListSeparator (NFC)

diff --git a/llvm/tools/llvm-objdump/MachODump.cpp b/llvm/tools/llvm-objdump/MachODump.cpp
index 80886c8..6d18f60 100644 (file)
--- a/llvm/tools/llvm-objdump/MachODump.cpp
+++ b/llvm/tools/llvm-objdump/MachODump.cpp
@@ -7160,17 +7160,15 @@ static void emitComments(raw_svector_ostream &CommentStream,
   // Get the default information for printing a comment.
   StringRef CommentBegin = MAI.getCommentString();
   unsigned CommentColumn = MAI.getCommentColumn();
-  bool IsFirst = true;
+  ListSeparator LS("\n");
   while (!Comments.empty()) {
-    if (!IsFirst)
-      FormattedOS << '\n';
+    FormattedOS << LS;
     // Emit a line of comments.
     FormattedOS.PadToColumn(CommentColumn);
     size_t Position = Comments.find('\n');
     FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
     // Move after the newline character.
     Comments = Comments.substr(Position + 1);
-    IsFirst = false;
   }
   FormattedOS.flush();
 
@@ -10296,30 +10294,16 @@ static void printMachOExportsTrie(const object::MachOObjectFile *Obj) {
                        Entry.address() + BaseSegmentAddress);
     outs() << Entry.name();
     if (WeakDef || ThreadLocal || Resolver || Abs) {
-      bool NeedsComma = false;
+      ListSeparator LS;
       outs() << " [";
-      if (WeakDef) {
-        outs() << "weak_def";
-        NeedsComma = true;
-      }
-      if (ThreadLocal) {
-        if (NeedsComma)
-          outs() << ", ";
-        outs() << "per-thread";
-        NeedsComma = true;
-      }
-      if (Abs) {
-        if (NeedsComma)
-          outs() << ", ";
-        outs() << "absolute";
-        NeedsComma = true;
-      }
-      if (Resolver) {
-        if (NeedsComma)
-          outs() << ", ";
-        outs() << format("resolver=0x%08llX", Entry.other());
-        NeedsComma = true;
-      }
+      if (WeakDef)
+        outs() << LS << "weak_def";
+      if (ThreadLocal)
+        outs() << LS << "per-thread";
+      if (Abs)
+        outs() << LS << "absolute";
+      if (Resolver)
+        outs() << LS << format("resolver=0x%08llX", Entry.other());
       outs() << "]";
     }
     if (ReExport) {