diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index ab3a68b70f5d..a5c08b405914 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1068,8 +1068,8 @@ StringRef Darwin::getPlatformFamily() const {
 
 StringRef Darwin::getSDKName(StringRef isysroot) {
   // Assume SDK has path: SOME_PATH/SDKs/PlatformXX.YY.sdk
-  auto BeginSDK = llvm::sys::path::begin(isysroot);
-  auto EndSDK = llvm::sys::path::end(isysroot);
+  auto BeginSDK = llvm::sys::path::rbegin(isysroot);
+  auto EndSDK = llvm::sys::path::rend(isysroot);
   for (auto IT = BeginSDK; IT != EndSDK; ++IT) {
     StringRef SDK = *IT;
     if (SDK.endswith(".sdk"))