8347006: LoadRangeNode floats above array guard in arraycopy intrinsic

[TobiHartmann]

Hi all,

This pull request contains a backport of commit 82e2a791 from the openjdk/jdk repository.

The commit being backported was authored by Tobias Hartmann on 13 Jan 2025 and was reviewed by Roland Westrelin, Quan Anh Mai and Vladimir Kozlov.

Thanks!

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8347006: LoadRangeNode floats above array guard in arraycopy intrinsic (Bug - P3)

Reviewers

• Christian Hagedorn (@chhagedorn - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/23063/head:pull/23063
$ git checkout pull/23063

Update a local copy of the PR:
$ git checkout pull/23063
$ git pull https://git.openjdk.org/jdk.git pull/23063/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 23063

View PR using the GUI difftool:
$ git pr show -t 23063

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/23063.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back thartmann! A progress list of the required criteria for merging this PR into jdk24 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@TobiHartmann This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8347006: LoadRangeNode floats above array guard in arraycopy intrinsic

Reviewed-by: chagedorn

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been no new commits pushed to the jdk24 branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the jdk24 branch, type /integrate in a new comment.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@TobiHartmann The following labels will be automatically applied to this pull request:

• graal
• hotspot-compiler

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing lists. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (9a612355)

[chhagedorn]

Looks good!

[TobiHartmann]

Thanks for the review, Christian!

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit da74fbd.

[openjdk]

@TobiHartmann Pushed as commit da74fbd.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.