[Bug 75276] Implement VGPR Register Spilling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75276

--- Comment #32 from Christoph Haag <haagch at frickel.club> ---
Created attachment 103583
  --> https://bugs.freedesktop.org/attachment.cgi?id=103583&action=edit
backtrace of unreal engine effects demo with debug

(In reply to comment #31)
> (In reply to comment #30)
> > But every demo segfaults. Mostly in LLVMBuildBitCast().
> [...]
> > This is still a problem with register spilling that just looks different,
> > right?
> 
> No, that sounds like bug 81834.

So I built mesa with debug symbols and I guess debugging enables some
assertions because now fails at some assertion about Register.Index stuff. Full
backtrace attached.

(bug 81834 doesn't say what versions he uses. I use upstream llvm 214022 and
mesa git with the small patch I mentioned)

Of course it could be both problems at the same time.

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