diff --git a/llvm/include/llvm/Analysis/LazyValueInfo.h b/llvm/include/llvm/Analysis/LazyValueInfo.h
index 754391e10630282..24c2bfcc74b9cd3 100644
--- a/llvm/include/llvm/Analysis/LazyValueInfo.h
+++ b/llvm/include/llvm/Analysis/LazyValueInfo.h
@@ -114,6 +114,9 @@ class LazyValueInfo {
   /// Inform the analysis cache that we have erased a block.
   void eraseBlock(BasicBlock *BB);
 
+  /// Complete flush all previously computed values
+  void clear(const Module *M);
+
   /// Print the \LazyValueInfo Analysis.
   /// We pass in the DTree that is required for identifying which basic blocks
   /// we can solve/print for, in the LVIPrinter.
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 0d0f186ddbfe42b..d1593333763a99c 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -1885,6 +1885,11 @@ void LazyValueInfo::eraseBlock(BasicBlock *BB) {
   }
 }
 
+void LazyValueInfo::clear(const Module *M) {
+  if (PImpl) {
+    getImpl(PImpl, AC, M).clear();
+  }
+}
 
 void LazyValueInfo::printLVI(Function &F, DominatorTree &DTree, raw_ostream &OS) {
   if (PImpl) {