diff --git a/llvm/unittests/Analysis/ProfileSummaryInfoTest.cpp b/llvm/unittests/Analysis/ProfileSummaryInfoTest.cpp
index cbd2236e4cb3..f36d3ba99775 100644
--- a/llvm/unittests/Analysis/ProfileSummaryInfoTest.cpp
+++ b/llvm/unittests/Analysis/ProfileSummaryInfoTest.cpp
@@ -17,6 +17,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/SourceMgr.h"