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-rw-r--r--lib/Analysis/ScalarEvolution.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 26d73fc033..87232b371c 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -78,6 +78,7 @@
#include "llvm/ADT/Statistic.h"
#include <ostream>
#include <algorithm>
+#include <cmath>
using namespace llvm;
namespace {