1 files changed, 3 insertions, 1 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 21d4566a08..6874906cfd 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -719,7 +719,9 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
       bool ignored;
       bool isHalf = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEhalf;
       bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
-      if (!isHalf) {
+      bool isInf = CFP->getValueAPF().isInfinity();
+      bool isNaN = CFP->getValueAPF().isNaN();
+      if (!isHalf && !isInf && !isNaN) {
         double Val = isDouble ? CFP->getValueAPF().convertToDouble() :
                                 CFP->getValueAPF().convertToFloat();
         SmallString<128> StrVal;