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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2024/03/26 18:55:00 UTC
[jira] [Updated] (IMPALA-11917) Upgrade to LLVM 7.0.0 or higher
[ https://issues.apache.org/jira/browse/IMPALA-11917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Smith updated IMPALA-11917:
-----------------------------------
Description:
LLVM 7.0 adds a JITEventListener for integration with Linux perf in createPerfJITEventListener(). We can consider replacing our customized listener (CodegenSymbolEmitter) with it.
[https://github.com/llvm/llvm-project/commit/376a3d3659e3ee5ea47517e3e43022f0306ecc74]
[https://releases.llvm.org/7.0.0/docs/ReleaseNotes.html]
We are currently using llvm version 5. llvm 18 is the latest released version. There is scope for utilizing improved optimization passes and other improvements that come with the newer versions.
was:
LLVM 7.0 adds a JITEventListener for integration with Linux perf in createPerfJITEventListener(). We can consider replacing our customized listener (CodegenSymbolEmitter) with it.
[https://github.com/llvm/llvm-project/commit/376a3d3659e3ee5ea47517e3e43022f0306ecc74]
[https://releases.llvm.org/7.0.0/docs/ReleaseNotes.html]
> Upgrade to LLVM 7.0.0 or higher
> -------------------------------
>
> Key: IMPALA-11917
> URL: https://issues.apache.org/jira/browse/IMPALA-11917
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Michael Smith
> Priority: Major
>
> LLVM 7.0 adds a JITEventListener for integration with Linux perf in createPerfJITEventListener(). We can consider replacing our customized listener (CodegenSymbolEmitter) with it.
> [https://github.com/llvm/llvm-project/commit/376a3d3659e3ee5ea47517e3e43022f0306ecc74]
> [https://releases.llvm.org/7.0.0/docs/ReleaseNotes.html]
> We are currently using llvm version 5. llvm 18 is the latest released version. There is scope for utilizing improved optimization passes and other improvements that come with the newer versions.
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