Use StringSplit

Author: kparzysz

llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp

@@ -8,11 +8,11 @@
 
 #include "llvm/Frontend/OpenMP/DirectiveNameParser.h"
 #include "llvm/ADT/Sequence.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Frontend/OpenMP/OMP.h"
 
 #include <cassert>
-#include <cctype>
 #include <memory>
 
 namespace llvm::omp {
@@ -40,27 +40,7 @@ DirectiveNameParser::consume(const State *Current, StringRef Tok) const {
 
 SmallVector<StringRef> DirectiveNameParser::tokenize(StringRef Str) {
   SmallVector<StringRef> Tokens;
-
-  auto NextChar = [](StringRef N, size_t I) {
-    while (I < N.size() && isspace(N[I]))
-      ++I;
-    return I;
-  };
-  auto NextSpace = [](StringRef N, size_t I) {
-    while (I < N.size() && !isspace(N[I]))
-      ++I;
-    return I;
-  };
-
-  size_t From = NextChar(Str, 0);
-  size_t To = 0;
-
-  while (From != Str.size()) {
-    To = NextSpace(Str, From);
-    Tokens.push_back(Str.substr(From, To - From));
-    From = NextChar(Str, To);
-  }
-
+  SplitString(Str, Tokens);
   return Tokens;
 }