139 Features  section in The Loop Vectorizer
145 Loops with unknown trip count
162 Runtime Checks of Pointers
184 Reductions
205 Inductions
218 If Conversion
236 Pointer Induction Variables
250 Reverse Iterators
262 Scatter / Gather
278 Vectorization of Mixed Types
292 Global Structures Alias Analysis
311 Vectorization of function calls
348 Partial unrolling during vectorization
373 Epilogue Vectorization