DEFTIMEVAR (TV_COMPLETE_UNROLL , "complete unrolling")
DEFTIMEVAR (TV_TREE_VECTORIZATION , "tree vectorization")
DEFTIMEVAR (TV_TREE_LINEAR_TRANSFORM , "tree loop linear")
+DEFTIMEVAR (TV_TREE_PREFETCH , "tree prefetching")
DEFTIMEVAR (TV_TREE_LOOP_IVOPTS , "tree iv optimization")
DEFTIMEVAR (TV_TREE_LOOP_INIT , "tree loop init")
DEFTIMEVAR (TV_TREE_LOOP_FINI , "tree loop fini")