https://bugs.freedesktop.org/show_bug.cgi?id=106246
--- Comment #4 from Timothy Arceri <t_arc...@yahoo.com.au> ---
(In reply to Nicolai Hähnle from comment #3)
> As long as scratch buffer support is robust, removing LLVM IR optimization
> passes is probably not a problem, though you really do want mem2reg and I
> don't think we spend much time in the others (at least radeonsi didn't, last
> time I checked).
>
> Using the -O0 settings for the codegen backend is a lot riskier. Our compute
> folks have done some work fixing bugs there, but I really wouldn't recommend
> it.
Yeah I've done some experimenting with the Blacksmith demo. I'm not sure we can
get much benefit implementing VK_PIPELINE_CREATE_DISABLE_OPTIMIZATION_BIT with
the current state of things.
Default:
Sum of shader compile times: 325933 ms
With only LLVM DCE opt (compilation fails without this):
Sum of shader compile times: 326451 ms
No NIR linking plus single pass over NIR opts (compilation fails without this):
Sum of shader compile times: 294788 ms
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