[LLVMdev] LLVM JIT

Reid Kleckner rnk at google.com
Wed Apr 1 08:42:13 PDT 2015


I updated the web page in r233815.

On Wed, Apr 1, 2015 at 8:37 AM, Reid Kleckner <rnk at google.com> wrote:

> That web page is dated. The old JIT used to use it's own encoders separate
> from the standard assembly pipeline. Today we use MCJIT, which builds
> object files the normal way in memory and then relocates and runs them.
>
> On Wed, Apr 1, 2015 at 12:27 AM, Закиров Марат <marat61 at gmail.com> wrote:
>
>> Hi folks!
>>
>> I am currently involved in project which uses LLVM JIT and I have a
>> couple of questions for you:
>>
>> 1) According to http://llvm.org/Features.html LLVM JIT supports only X86
>> and PowerPC, but LLVM code generator supports ARM too. Are there any plans
>> for JIT to make support also for ARM backend?
>> 2) Could LLVM JIT collect some hot traces from overall code and execute
>> it separately (after making aggressive optimizations on it) from the cold
>> code with higher performance?
>>
>> --
>>
>> *Regards, Marat.*
>> *С уважением Марат.*
>>
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>>
>>
>
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