[PATCH] D108921: [SCEV] If max BTC is zero, then so is the exact BTC

Mon Aug 30 09:49:54 PDT 2021

reames added a comment.

In D108921#2972436 <https://reviews.llvm.org/D108921#2972436>, @reames wrote:

> FYI, fixed the description.  The current max trip code is correct, but only due to a subtle invariant I keep forgetting.  I've now made exactly this same mistake at least 3 times...

So that there isn't a fourth time, I added a clarifying comment and test in 301fbf9b <https://reviews.llvm.org/rG301fbf9b8115620480db851d091cbbb516cd983d>.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108921/new/

https://reviews.llvm.org/D108921