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cmd/compile: regalloc's liveness analysis is quadratic #25120

josharian opened this issue Apr 27, 2018 · 1 comment


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@josharian josharian commented Apr 27, 2018

This is a known, difficult issue. It has been around since the SSA compiler was first merged. This is a tracking issue for it.

@josharian josharian added the ToolSpeed label Apr 27, 2018
@josharian josharian added this to the Unplanned milestone Apr 27, 2018

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@josharian josharian commented May 9, 2018

Keith experimented with one approach here:

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