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Posted to issues@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2023/02/12 10:05:00 UTC

[jira] [Created] (IMPALA-11917) Upgrade to LLVM 7.1.0 or higher

Quanlong Huang created IMPALA-11917:
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             Summary: Upgrade to LLVM 7.1.0 or higher
                 Key: IMPALA-11917
                 URL: https://issues.apache.org/jira/browse/IMPALA-11917
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Quanlong Huang


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]



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