diff options
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index e38622a569..dbe694fad7 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -3474,8 +3474,7 @@ static bool isMinValuePlusOne(const ConstantInt *C, bool isSigned) { // isOneBitSet - Return true if there is exactly one bit set in the specified // constant. static bool isOneBitSet(const ConstantInt *CI) { - uint64_t V = CI->getZExtValue(); - return V && (V & (V-1)) == 0; + return CI->getValue().countPopulation() == 1; } #if 0 // Currently unused |