diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index d0a42664a6a..284b896407d 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -37,6 +37,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include <map>
 #include <set>
+#include <tuple>
 using namespace llvm;
 
 #define DEBUG_TYPE "deadargelim"
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index af0e686a521..7e8a1b7d3d1 100644
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -92,6 +92,7 @@
 #include "llvm/Transforms/Utils/VectorUtils.h"
 #include <algorithm>
 #include <map>
+#include <tuple>
 
 using namespace llvm;
 using namespace llvm::PatternMatch;