Support/PathV1: Deprecate GetRootDirectory.

llvm-svn: 122580

llvm/include/llvm/Support/PathV1.h

@@ -98,7 +98,8 @@ namespace sys {
       /// it is file:///. Other operating systems may have different notions of
       /// what the root directory is or none at all. In that case, a consistent
       /// default root directory will be used.
-      static Path GetRootDirectory();
+      LLVM_ATTRIBUTE_DEPRECATED(static Path GetRootDirectory(),
+        LLVMV_PATH_DEPRECATED_MSG(NOTHING));
 
       /// Construct a path to a unique temporary directory that is created in
       /// a "standard" place for the operating system. The directory is

llvm/lib/Support/Unix/Path.inc

@@ -242,12 +242,11 @@ Path::GetLLVMDefaultConfigDir() {
 Path
 Path::GetUserHomeDirectory() {
   const char* home = getenv("HOME");
-  if (home) {
-    Path result;
-    if (result.set(home))
-      return result;
-  }
-  return GetRootDirectory();
+  Path result;
+  if (home && result.set(home))
+    return result;
+  result.set("/");
+  return result;
 }
 
 Path