diff options
Diffstat (limited to 'include/llvm/Constants.h')
| -rw-r--r-- | include/llvm/Constants.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index b727de3..143f3ad 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -270,6 +270,12 @@ public: /// 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. :( virtual bool isNullValue() const; + + /// isNegativeZeroValue - Return true if the value is what would be returned + /// by getZeroValueForNegation. + virtual bool isNegativeZeroValue() const { + return Val.isZero() && Val.isNegative(); + } /// isExactlyValue - We don't rely on operator== working on double values, as /// it returns true for things that are clearly not equal, like -0.0 and 0.0. |