diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -29,6 +29,7 @@
 #include <cassert>
 #include <climits>
 #include <memory>
+#include <optional>
 #include <string>
 #include <utility>
 
@@ -500,8 +501,8 @@
                                     StringRef Component,
                                     FileType Type = ToolChain::FT_Static) const;
 
-  // Returns target specific runtime paths.
-  path_list getRuntimePaths() const;
+  // Returns the target specific runtime path if it exists.
+  std::optional<std::string> getRuntimePath() const;
 
   // Returns target specific standard library paths.
   path_list getStdlibPaths() const;
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -2163,16 +2163,8 @@
   }
 
   if (C.getArgs().hasArg(options::OPT_print_runtime_dir)) {
-    std::string RuntimePath;
-    // Get the first existing path, if any.
-    for (auto Path : TC.getRuntimePaths()) {
-      if (getVFS().exists(Path)) {
-        RuntimePath = Path;
-        break;
-      }
-    }
-    if (!RuntimePath.empty())
-      llvm::outs() << RuntimePath << '\n';
+    if (std::optional<std::string> RuntimePath = TC.getRuntimePath())
+      llvm::outs() << *RuntimePath << '\n';
     else
       llvm::outs() << TC.getCompilerRTPath() << '\n';
     return false;
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -86,8 +86,8 @@
       List.push_back(Path);
   };
 
-  for (const auto &Path : getRuntimePaths())
-    addIfExists(getLibraryPaths(), Path);
+  if (std::optional<std::string> Path = getRuntimePath())
+    getLibraryPaths().push_back(*Path);
   for (const auto &Path : getStdlibPaths())
     addIfExists(getFilePaths(), Path);
   for (const auto &Path : getArchSpecificLibPaths())
@@ -677,15 +677,18 @@
   return Args.MakeArgString(getCompilerRT(Args, Component, Type));
 }
 
-ToolChain::path_list ToolChain::getRuntimePaths() const {
-  path_list Paths;
-  auto addPathForTriple = [this, &Paths](const llvm::Triple &Triple) {
+std::optional<std::string> ToolChain::getRuntimePath() const {
+  auto getPathForTriple =
+      [this](const llvm::Triple &Triple) -> std::optional<std::string> {
     SmallString<128> P(D.ResourceDir);
     llvm::sys::path::append(P, "lib", Triple.str());
-    Paths.push_back(std::string(P.str()));
+    if (getVFS().exists(P))
+      return std::string(P);
+    return {};
   };
 
-  addPathForTriple(getTriple());
+  if (auto Path = getPathForTriple(getTriple()))
+    return *Path;
 
   // When building with per target runtime directories, various ways of naming
   // the Arm architecture may have been normalised to simply "arm".
@@ -705,7 +708,8 @@
   if (getTriple().getArch() == Triple::arm && !getTriple().isArmMClass()) {
     llvm::Triple ArmTriple = getTriple();
     ArmTriple.setArch(Triple::arm);
-    addPathForTriple(ArmTriple);
+    if (auto Path = getPathForTriple(ArmTriple))
+      return *Path;
   }
 
   // Android targets may include an API level at the end. We still want to fall
@@ -714,10 +718,11 @@
       getTriple().getEnvironmentName() != "android") {
     llvm::Triple TripleWithoutLevel = getTriple();
     TripleWithoutLevel.setEnvironmentName("android");
-    addPathForTriple(TripleWithoutLevel);
+    if (auto Path = getPathForTriple(TripleWithoutLevel))
+      return *Path;
   }
 
-  return Paths;
+  return {};
 }
 
 ToolChain::path_list ToolChain::getStdlibPaths() const {