[Nouveau] [Bug 90887] PhiMovesPass in register allocator broken

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90887

--- Comment #17 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Created attachment 116761
  --> https://bugs.freedesktop.org/attachment.cgi?id=116761&action=edit
another attempt

OK, I like this a bit better since it doesn't use any weird maps, and incurs
minimal costs in the common case. It unfortunately encodes the graph's
insertion strategy, but... meh.

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