diff options
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 0bbb37295f1..900a2363e60 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -1640,9 +1640,9 @@ bool isKnownToBeAPowerOfTwo(const Value *V, bool OrZero, unsigned Depth, if (match(V, m_Shl(m_One(), m_Value()))) return true; - // (signbit) >>l X is clearly a power of two if the one is not shifted off the - // bottom. If it is shifted off the bottom then the result is undefined. - if (match(V, m_LShr(m_SignBit(), m_Value()))) + // (signmask) >>l X is clearly a power of two if the one is not shifted off + // the bottom. If it is shifted off the bottom then the result is undefined. + if (match(V, m_LShr(m_SignMask(), m_Value()))) return true; // The remaining tests are all recursive, so bail out if we hit the limit. |
