diff --git a/llvm/include/llvm/CodeGen/Spiller.h b/llvm/include/llvm/CodeGen/Spiller.h
index 4568cdfab86288..51ad36bc6b1f8b 100644
--- a/llvm/include/llvm/CodeGen/Spiller.h
+++ b/llvm/include/llvm/CodeGen/Spiller.h
@@ -9,6 +9,9 @@
 #ifndef LLVM_CODEGEN_SPILLER_H
 #define LLVM_CODEGEN_SPILLER_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/CodeGen/Register.h"
+
 namespace llvm {
 
 class LiveRangeEdit;