[PATCH] D66803: [LV] Tail-folding with runtime memory checks
Sjoerd Meijer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 4 05:15:00 PDT 2019
SjoerdMeijer added a comment.
Hi, sorry about this.
Just looking at the `.C` file, I was surprised that it tries to emit runtime checks because `restrict` is. But running `opt` with `disable-basicaa` I can imagine it will try to do that yes; that doesn't really surprise me. And so when I ran `clang -Os -fvectorize` I am not running in to this assert.
Triggering this assert with `opt` shows its usefulness of this assert I think. But if we can trigger this from a user-facing tool clang then I think we do have a problem. Do you have a `clang` command to trigger this?
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https://reviews.llvm.org/D66803/new/
https://reviews.llvm.org/D66803
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