1 files changed, 7 insertions, 3 deletions
diff --git a/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h b/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
index 14f0c48266f0..d794535700e5 100644
--- a/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
+++ b/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
@@ -148,10 +148,14 @@ public:
   /// incremental build.
   void setCacheDir(std::string Path) { CacheOptions.Path = std::move(Path); }
 
-  /// Cache policy: interval (seconds) between two prune of the cache. Set to a
-  /// negative value (default) to disable pruning. A value of 0 will be ignored.
+  /// Cache policy: interval (seconds) between two prunes of the cache. Set to a
+  /// negative value to disable pruning. A value of 0 will be ignored.
   void setCachePruningInterval(int Interval) {
-    if (Interval)
+    if (Interval == 0)
+      return;
+    if(Interval < 0)
+      CacheOptions.Policy.Interval.reset();
+    else
       CacheOptions.Policy.Interval = std::chrono::seconds(Interval);
   }