[PATCH] D21398: [IVUser] Add a trunc if used only by a single IV user

[Jun Bum Lim via llvm-commits]

junbuml added a comment.

> Does this patch still need review, or has it been subsumed by other changes?


I deprioritized this because I didn't see clear performance gains in benchmarks I was targeting. However, there was no other changes covering this issue, and this change is still good to be reviewed.


https://reviews.llvm.org/D21398