diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
index f295b92e4a5b..a139399cba3b 100644
--- a/llvm/lib/Support/Unix/Path.inc
+++ b/llvm/lib/Support/Unix/Path.inc
@@ -251,9 +251,12 @@ Path::GetUserHomeDirectory() {
 
 Path
 Path::GetCurrentDirectory() {
+  if (char *pwd = getenv("PWD"))
+    return Path(pwd);
+
   char pathname[MAXPATHLEN];
-  if (!getcwd(pathname,MAXPATHLEN)) {
-    assert (false && "Could not query current working directory.");
+  if (!getcwd(pathname, MAXPATHLEN)) {
+    assert(false && "Could not query current working directory.");
     return Path();
   }