42     data_ = AlignDown(data + (bit_start >> kBitsPerByteLog2), kPageSize);  in BitMemoryRegion()
43     bit_start_ = bit_start + kBitsPerByte * (data - data_);  in BitMemoryRegion()
54   ALWAYS_INLINE bool IsValid() const { return data_ != nullptr; }  in IsValid()
58     return data_ + bit_start_ / kBitsPerByte;  in data()
92     return ((data_[index] >> shift) & 1) != 0;  in LoadBit()
99     data_[index] &= ~(1 << shift);  // Clear bit.  in StoreBit()
100     data_[index] |= (value ? 1 : 0) << shift;  // Set bit.  in StoreBit()
112     DCHECK(IsAligned<sizeof(Result)>(data_));  in LoadBits()
120     Result* data = reinterpret_cast<Result*>(data_);  in LoadBits()
152     data_[index] &= ~(mask << shift);  // Clear bits.  in StoreBits()
153     data_[index] |= (value << shift);  // Set bits.  in StoreBits()
156       data_[index + i] &= ~(mask >> finished_bits);  // Clear bits.  in StoreBits()
157       data_[index + i] |= (value >> finished_bits);  // Set bits.  in StoreBits()
247   uint8_t* data_ = nullptr;  // The pointer is page aligned.