[llvm-dev] Can I control HSA config generated by AMDGPU backend?

[Matt Arsenault via llvm-dev]

> On Sep 5, 2018, at 23:17, Changdao Dong via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> 
> Finally I kind of modified llvm to generate assembly that can run on AMDGPU pro drivers. One problem is the performance of the code generated by llvm is about 10% slower than amdgpu's online compiler. Anything I can tune the performance up the performance of llvm?\
> 
This is very dependent on the case you are looking at, so without a specific example or ISA comparison between the compilers there’s no guessing

-Matt
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