diff options
-rw-r--r-- | include/llvm/Constants.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index a75aaf72a3..0fe9358b85 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -266,8 +266,8 @@ public: inline const APFloat& getValueAPF() const { return Val; } /// isNullValue - Return true if this is the value that would be returned by - /// getNullValue. Don't depend on == for doubles to tell us it's zero, it - /// considers -0.0 to be null as well as 0.0. :( + /// getNullValue. For ConstantFP, this is +0.0, but not -0.0. To handle the + /// two the same, use isZero(). virtual bool isNullValue() const; /// isNegativeZeroValue - Return true if the value is what would be returned |