[jira] [Resolved] (KUDU-1783) Use binary bitcode format for precompiled LLVM IR

["Todd Lipcon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved KUDU-1783.
-------------------------------
       Resolution: Duplicate
    Fix Version/s: n/a

Oops, double-filed this. Airplane wifi flaky.

> Use binary bitcode format for precompiled LLVM IR
> -------------------------------------------------
>
>                 Key: KUDU-1783
>                 URL: https://issues.apache.org/jira/browse/KUDU-1783
>             Project: Kudu
>          Issue Type: Improvement
>          Components: codegen
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: n/a
>
>
> - instead of compiling with '-S', should compile with '-c'
> - should use the extension '.bc' instead of '.ll' and update the variables accordingly
> - change 'xxd' wrapper to use unsigned char instead of char
> In a quick test, things still seem to work, and the resulting bitcode is about 25% the size (~300kb vs 1150KB). Seems like an easy win to shave a few MB off our packages and probably speed up IR parsing during codegen.



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