[llvm-dev] Proper way to do thinlto (from code)

[Carlo Kok via llvm-dev]

Thanks! 

I'll create a wrapper for WriteBitcodePass. Do I still need the
PrepareForThinTLO pass or is the writeBitCodePass enough?

On Fri, Mar 30, 2018, at 10:02, Peter Collingbourne wrote:
> You need to make sure that your bitcode file has a module summary
> index. You can do that either by creating a WriteBitcodePass with
> EmitSummaryIndex set to true or by calling WriteBitcodeToFile with a
> module summary index that you created yourself. It doesn't look like
> either of those options are hooked up to the c API, though.> 
> Peter
> 
> On Fri, Mar 30, 2018, 00:50 Carlo Kok via llvm-dev <llvm-
> dev at lists.llvm.org> wrote:>> __
>> I'm using llvm-c (but if needed can call c++ stuff too if nedeed);
>> what's the proper way to emit bitcode with thinlto info so the linker
>> can parallelize ?>> I'm currently using: 
>> unwrap(PMB)->PrepareForThinLTO = b;
>> 
>> on the pass manager builder, but that doesn't seem to be enough?
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