[llvm-dev] Regarding PBQP register allocator not working for X86

[David Blaikie via llvm-dev]

+Lang Hames <lhames at gmail.com> for PBQP questions

On Tue, Dec 28, 2021 at 11:49 AM Siddharth Jain via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi All,
>
> I am building LLVM 10.0.1 from source for X86 target, the build completed
> successfully but when I am compiling using clang(build from source) with
> “regalloc” flag set to “pbqp”, following error is thrown
>
> "clang (LLVM option parsing): for the --regalloc option: Cannot find
> option named 'pbqp'!"
>
> My query is how can I use the pbqp register allocator with clang(build
> from source) for the X86 target?
>
> Regards,
>
> Siddharth Jain
>
>
>
>
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