Revert previous change to IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41769 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index fcf2e51..8715f89 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -626,7 +626,7 @@
       if (Record.empty())
         return Error("Invalid FLOAT record");
       if (CurTy == Type::FloatTy)
-        V = ConstantFP::get(CurTy, APFloat((float)BitsToDouble(Record[0])));
+        V = ConstantFP::get(CurTy, APFloat(BitsToFloat(Record[0])));
       else if (CurTy == Type::DoubleTy)
         V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
       // FIXME: Make long double constants work.  BitsToDouble does not make it.