diff options
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index b3693b3..1b20a25 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -861,16 +861,14 @@ bool llvm::isKnownToBeAPowerOfTwo(Value *V, bool OrZero, unsigned Depth) { // Adding a power of two to the same power of two is a power of two or // zero. if (BinaryOperator *XBO = dyn_cast<BinaryOperator>(X)) - if (XBO->getOpcode() == Instruction::And || - XBO->getOpcode() == Instruction::Xor) + if (XBO->getOpcode() == Instruction::And) if (XBO->getOperand(0) == Y || XBO->getOperand(1) == Y) - if (isKnownToBeAPowerOfTwo(Y, /*OrZero*/true, Depth)) + if (isKnownToBeAPowerOfTwo(Y, OrZero, Depth)) return true; if (BinaryOperator *YBO = dyn_cast<BinaryOperator>(Y)) - if (YBO->getOpcode() == Instruction::And || - YBO->getOpcode() == Instruction::Xor) + if (YBO->getOpcode() == Instruction::And) if (YBO->getOperand(0) == X || YBO->getOperand(1) == X) - if (isKnownToBeAPowerOfTwo(X, /*OrZero*/true, Depth)) + if (isKnownToBeAPowerOfTwo(X, OrZero, Depth)) return true; } |