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8263450: Simplify LambdaForm.useCount #2940

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@cl4es cl4es commented Mar 11, 2021

Simplify useCount and avoid calling lastUseIndex for a small startup win.


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$ git fetch pull/2940/head:pull/2940
$ git checkout pull/2940

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@bridgekeeper bridgekeeper bot commented Mar 11, 2021

👋 Welcome back redestad! 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 openjdk bot added the rfr label Mar 11, 2021
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@openjdk openjdk bot commented Mar 11, 2021

@cl4es The following labels will be automatically applied to this pull request:

  • core-libs
  • 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.


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@mlbridge mlbridge bot commented Mar 11, 2021



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@openjdk openjdk bot commented Mar 15, 2021

@cl4es This change now passes all automated pre-integration checks.

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

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

8263450: Simplify LambdaForm.useCount

Reviewed-by: rriggs

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 64 new commits pushed to the master branch:

  • d6b5e18: 8263191: Consolidate ThreadInVMfromJavaNoAsyncException and ThreadBlockInVMWithDeadlockCheck with existing wrappers
  • 80cdf78: 8263544: Unused argument in ConstantPoolCacheEntry::set_field()
  • c0176c4: 8263552: Use String.valueOf() for char-to-String conversions
  • fac39fe: 8263508: Remove dead code in MethodHandleImpl
  • 7b4aefe: 8263530: sun.awt.X11.ListHelper.removeAll() should use clear()
  • 32c7fcc: 8263490: [macos] Crash occurs on JPasswordField with activated InputMethod
  • 8afec70: 8260931: Implement JEP 382: New macOS Rendering Pipeline
  • 0638303: 8263497: Clean up
  • ba22e6f: 8263446: Avoid unary minus over unsigned type in ObjectSynchronizer::dec_in_use_list_ceiling
  • b371f90: 8263504: Some OutputMachOpcodes fields are uninitialized
  • ... and 54 more:

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.


@openjdk openjdk bot added the ready label Mar 15, 2021
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@cl4es cl4es commented Mar 16, 2021

Thanks, Roger!



@openjdk openjdk bot closed this Mar 16, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels Mar 16, 2021
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@openjdk openjdk bot commented Mar 16, 2021

@cl4es Since your change was applied there have been 86 commits pushed to the master branch:

  • 75ef6f5: 8263427: Shenandoah: Trigger weak-LRB even when heap is stable
  • 4517d72: 8263612: Unused variables in C1 runtime
  • 83a9a02: 8263509: LdapSchemaParser.readNextTag checks array length incorrectly
  • 9c50b8e: 8263587: C2: JVMS not cloned when needs_clone_jvms() is true
  • 68deb24: 8080272: Refactor I/O stream copying to use InputStream.transferTo/readAllBytes and Files.copy
  • a31a23d: 8263595: Remove oop type punning in JavaCallArguments
  • a1f6591: 8263589: Introduce JavaValue::get_oop/set_oop
  • 20297a1: 8263577: C2: reachable nodes shouldn't have dead uses at the end of optimizations
  • c484d89: 8263557: Possible NULL dereference in Arena::destruct_contents()
  • ba35193: 8263559: Add missing initializers to VM_PopulateDumpSharedSpace
  • ... and 76 more:

Your commit was automatically rebased without conflicts.

Pushed as commit e33bfb3.

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


@cl4es cl4es deleted the useCount branch Mar 16, 2021
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