diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -43,7 +43,7 @@
   }
 
   inline const char *separators(Style style) {
-    if (real_style(style) == Style::windows)
+    if (is_style_windows(style))
       return "\\/";
     return "/";
   }
@@ -546,7 +546,7 @@
 void native(SmallVectorImpl<char> &Path, Style style) {
   if (Path.empty())
     return;
-  if (real_style(style) == Style::windows) {
+  if (is_style_windows(style)) {
     std::replace(Path.begin(), Path.end(), '/', '\\');
     if (Path[0] == '~' && (Path.size() == 1 || is_separator(Path[1], style))) {
       SmallString<128> PathHome;
@@ -560,7 +560,7 @@
 }
 
 std::string convert_to_slash(StringRef path, Style style) {
-  if (real_style(style) != Style::windows)
+  if (!is_style_windows(style))
     return std::string(path);
 
   std::string s = path.str();