[PATCH] D63733: [IndVars] Use exit count reasoning to discharge obviously untaken exits

[Philip Reames via Phabricator via llvm-commits]

reames added a comment.

In D63733#1587822 <https://reviews.llvm.org/D63733#1587822>, @morehouse wrote:

> The assertion `assert(!ExitCount->isZero() && "Should have been folded above");` is failing during the unittest build on the UBSan bot:  http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap-ubsan/builds/13940


I submitted a speculative fix for this in rL366241 <https://reviews.llvm.org/rL366241>, but I'd really appreciate someone familiar with the bot extracting IR so that I can confirm there's only one issue here.


Repository:
  rL LLVM

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