gistfile1.txt

(lldb) po [[UIWindow keyWindow] _autolayoutTrace]
$0 = 0x0b536fa0 
*<UIWindow:0xa25d4e0>
|   *<UIView:0xa2635c0>
|   |   *<UILabel:0xa262e80>
|   |   *<UILabel:0xa2611a0>
|   |   *<UIImageView:0xa2636c0>
|   |   *<UIScrollView:0xa260c50>
|   |   |   *<UIImageView:0xa269fc0>
|   |   |   *<UIImageView:0xa26c480>
|   |   |   <UIImageView:0xb536ed0>
|   |   |   <UIImageView:0xb536d60>
(lldb) po [0xa269fc0 constraintsAffectingLayoutForAxis:0]
$1 = 0x0b53aa50 <__NSArrayM 0xb53aa50>(
<NSLayoutConstraint:0xa26b110 H:|-(0)-[UIImageView:0xa269fc0]   (Names: '|':UIScrollView:0xa260c50 )>,
<NSContentSizeLayoutConstraint:0xb2a0f40 H:[UIImageView:0xa269fc0(320)] Hug:1 CompressionResistance:1>
)