1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/HotColdSplitting.cpp b/llvm/lib/Transforms/IPO/HotColdSplitting.cpp
index 79a5a9b80a9..49937a727fe 100644
--- a/llvm/lib/Transforms/IPO/HotColdSplitting.cpp
+++ b/llvm/lib/Transforms/IPO/HotColdSplitting.cpp
@@ -659,6 +659,11 @@ bool HotColdSplitting::outlineColdRegions(Function &F, bool HasProfileSummary) {
     } while (!Region.empty());
   }
 
+  // We need to explicitly clear the assumption cache since the value tracking
+  // may now be invalid as part of the function has changed.
+  if (Changed)
+    if (AssumptionCache *AC = LookupAC(F))
+      AC->clear();
   return Changed;
 }