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-rw-r--r--llvm/lib/Analysis/ConstantFolding.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index 1b355b6478b..359766d444f 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -20,6 +20,7 @@
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include <cerrno>
+#include <cmath>
using namespace llvm;
//===----------------------------------------------------------------------===//
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