diff --git a/include/llvm/Support/ConstantFolder.h b/include/llvm/Support/ConstantFolder.h
index 99cb92078f3..b4589af745a 100644
--- a/include/llvm/Support/ConstantFolder.h
+++ b/include/llvm/Support/ConstantFolder.h
@@ -18,6 +18,8 @@
 #define LLVM_SUPPORT_CONSTANTFOLDER_H
 
 #include "llvm/Constants.h"
+#include "llvm/Instruction.h"
+#include "llvm/InstrTypes.h"
 
 namespace llvm {
 
diff --git a/include/llvm/Support/TargetFolder.h b/include/llvm/Support/TargetFolder.h
index 46ad9b601f7..e9cf585b670 100644
--- a/include/llvm/Support/TargetFolder.h
+++ b/include/llvm/Support/TargetFolder.h
@@ -20,6 +20,8 @@
 #define LLVM_SUPPORT_TARGETFOLDER_H
 
 #include "llvm/Constants.h"
+#include "llvm/Instruction.h"
+#include "llvm/InstrTypes.h"
 #include "llvm/Analysis/ConstantFolding.h"
 
 namespace llvm {