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-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 9528cb43c8..1dcf9fda05 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -29,6 +29,7 @@
#include <iostream>
#include <set>
#include <algorithm>
+#include <cmath>
using namespace llvm;
/// makeVTList - Return an instance of the SDVTList struct initialized with the