[ADT] Switch a bunch of places in LLVM that were doing single-character

splits to actually use the single character split routine which does
less work, and in a debug build is *substantially* faster.

llvm-svn: 247245

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Support/GraphWriter.cpp b/llvm/lib/Support/GraphWriter.cpp
index cbf53493337..b80fbdb0d08 100644
--- a/llvm/lib/Support/GraphWriter.cpp
+++ b/llvm/lib/Support/GraphWriter.cpp
@@ -103,7 +103,7 @@ struct GraphSession {
   bool TryFindProgram(StringRef Names, std::string &ProgramPath) {
     raw_string_ostream Log(LogBuffer);
     SmallVector<StringRef, 8> parts;
-    Names.split(parts, "|");
+    Names.split(parts, '|');
     for (auto Name : parts) {
       if (ErrorOr<std::string> P = sys::findProgramByName(Name)) {
         ProgramPath = *P;