Integrated: 8332827: [REDO] C2: crash in compiled code because of dependency on removed range check CastIIs
Roland Westrelin
roland at openjdk.org
Thu Dec 19 16:12:02 UTC 2024
On Thu, 5 Dec 2024 09:33:43 GMT, Roland Westrelin <roland at openjdk.org> wrote:
> The failures that caused the backout were due to a bug in:
>
> `find_or_make_integer_cast()`
>
> which caused the `_range_check_dependency` field's value of the
> existing cast node to not be set in the new cast node. I re-ran some
> testing with this fixed and current jdk repo and found that a few
> vectorization tests fail now because the patch pushes range check
> `CastII` nodes through `AddI`/`SubI`. To fix this, I delayed that
> transformation to after loop opts.
This pull request has now been integrated.
Changeset: 2649a973
Author: Roland Westrelin <roland at openjdk.org>
URL: https://git.openjdk.org/jdk/commit/2649a97332b4af4f6eebc0c83af77e1c77760644
Stats: 736 lines in 8 files changed: 706 ins; 23 del; 7 mod
8332827: [REDO] C2: crash in compiled code because of dependency on removed range check CastIIs
Reviewed-by: epeter, chagedorn
-------------
PR: https://git.openjdk.org/jdk/pull/22568
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