[PATCH] D110368: [AA] Move earliest escape tracking from DSE to AA

Hans Wennborg via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 18 11:51:29 PST 2021


hans added a comment.

In D110368#3131219 <https://reviews.llvm.org/D110368#3131219>, @hans wrote:

> A Chromium developer reported compiler non-determinism that we bisected to this change. see https://bugs.chromium.org/p/chromium/issues/detail?id=1268247#c12 for a reproducer with preprocessed source.

Using that reproducer, it seems the non-deterministic output is coming from DSE: sometimes a store before a call is removed, and sometimes not (see comment at https://bugs.chromium.org/p/chromium/issues/detail?id=1268247#c16)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110368/new/

https://reviews.llvm.org/D110368



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