Revert r122114 (CallbackVH observing use-list changes) because it caused severe slowd...

[oota-llvm.git] / lib / Support / PathV2.cpp

diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index 6d2ca4eecd066fffeff06b23da2f6cf46ba8d202..335f7ff91944475350da1456d0ac4672a9c5d98a 100644 (file)
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -502,6 +502,13 @@ bool has_root_path(const Twine &path) {
   return !root_path(p).empty();
 }
 
+bool has_relative_path(const Twine &path) {
+  SmallString<128> path_storage;
+  StringRef p = path.toStringRef(path_storage);
+
+  return !relative_path(p).empty();
+}
+
 bool has_filename(const Twine &path) {
   SmallString<128> path_storage;
   StringRef p = path.toStringRef(path_storage);