[llvm] [ADT] Add a range/iterator-based Split()

Add a llvm::Split() implementation that can be used via range-for loop,
e.g.:

    for (StringRef x : llvm::Split("foo,bar,baz", ','))
      ...

The implementation uses an additional SplittingIterator class that
uses StringRef::split() internally.

Differential Revision: https://reviews.llvm.org/D110496

1 files changed, 1 insertions, 4 deletions

diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
index 1ad838b..cd85378 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
@@ -3656,10 +3656,7 @@ GDBRemoteCommunicationServerLLGS::Handle_qSaveCore(
   StringRef packet_str{packet.GetStringRef()};
   assert(packet_str.startswith("qSaveCore"));
   if (packet_str.consume_front("qSaveCore;")) {
-    llvm::SmallVector<llvm::StringRef, 2> fields;
-    packet_str.split(fields, ';');
-
-    for (auto x : fields) {
+    for (auto x : llvm::Split(packet_str, ';')) {
       if (x.consume_front("path-hint:"))
         StringExtractor(x).GetHexByteString(path_hint);
       else