[lworld] Integrated: 8370195: [lworld] Constant-fold _layout_kind loads from constant FlatArrayKlass

Mon Oct 20 11:22:08 UTC 2025

On Sun, 19 Oct 2025 17:13:18 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

> Hi,
> 
> The load to FlatArrayKlass::_layout_kind can be constant-folded if the receiver is a constant. This eliminates all checks when the array type is known statically or speculated correctly.
> 
> Please leave your reviews, thanks a lot.

This pull request has now been integrated.

Changeset: be252e23
Author:    Quan Anh Mai <qamai at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/be252e2371ced4034ccbcb5c588a465e58c4cc43
Stats:     140 lines in 4 files changed: 138 ins; 0 del; 2 mod

8370195: [lworld] Constant-fold _layout_kind loads from constant FlatArrayKlass

Reviewed-by: thartmann

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PR: https://git.openjdk.org/valhalla/pull/1687