8262998: Vector API intrinsincs should not modify IR when bailing out

[DamonFool]

Hi all,

While I was learning [1], I found similar bugs in Vector API.
The reason is the same that make_unsafe_address [2][3] may modify IR when bailing out.
Let's fix it.

Thanks.
Best regards,
Jie

[1] #2775
[2] https://github.com/openjdk/jdk/blob/master/src/hotspot/share/opto/vectorIntrinsics.cpp#L782
[3] https://github.com/openjdk/jdk/blob/master/src/hotspot/share/opto/vectorIntrinsics.cpp#L612

---

Progress

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Issue

• JDK-8262998: Vector API intrinsincs should not modify IR when bailing out

Reviewers

• Tobias Hartmann (@TobiHartmann - Reviewer)
• Vladimir Ivanov (@iwanowww - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/2823/head:pull/2823
$ git checkout pull/2823

[DamonFool]

/issue add JDK-8262998
/test
/label add hotspot-compiler
/cc hotspot-compiler

[bridgekeeper]

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

[openjdk]

@DamonFool This issue is referenced in the PR title - it will now be updated.

[openjdk]

@DamonFool
The hotspot-compiler label was successfully added.

[openjdk]

@DamonFool The hotspot-compiler label was already applied.

[mlbridge]

Webrevs

• 00: Full (de124ad)

[TobiHartmann]

Good catch. Looks good to me.

[openjdk]

@DamonFool 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:

8262998: Vector API intrinsincs should not modify IR when bailing out

Reviewed-by: thartmann, vlivanov

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 3 new commits pushed to the master branch:

• 2251319: 8262828: Format of OS information is different on macOS
• 4cfecce: 8261730: C2 compilation fails with assert(store->find_edge(load) != -1) failed: missing precedence edge
• 7915a1f: 8262950: Restructure compiler/intrinsics/TestRotate.java for easier compilation

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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

[DamonFool]

Good catch. Looks good to me.

Thanks @TobiHartmann for your review.

[iwanowww]

Looks good.

[DamonFool]

Looks good.

Thanks @iwanowww .

[DamonFool]

/integrate

[openjdk]

@DamonFool Since your change was applied there have been 21 commits pushed to the master branch:

• 80182f9: 8260925: HttpsURLConnection does not work with other JSSE provider.
• dbef0ec: 6323374: (coll) Optimize Collections.unmodifiable* and synchronized*
• ee09bad: 8262300: jpackage app-launcher fails on linux when using JDK11 based runtime
• 351889f: 8262508: Vector API's ergonomics is incorrect
• 718d4d4: 8262989: Vectorize VectorShuffle checkIndexes, wrapIndexes and laneIsValid methods
• c8b23e2: 8262064: Make compiler/ciReplay tests ignore lambdas in compilation replay
• 02fbcb5: 8261532: Archived superinterface class cannot be accessed
• 109af7b: 8261518: jpackage looks for main module in current dir when there is no module-path
• e61a3ba: 8239386: handle ContendedPaddingWidth in vm_version_aarch64
• f56c918: 8262837: handle split_USE correctly
• ... and 11 more: https://git.openjdk.java.net/jdk/compare/84c93d5a18021c178d2f28b22869e910c391ead2...master

Your commit was automatically rebased without conflicts.

Pushed as commit d91550e.

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