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932142
2017 Aug 30
2
Register pressure calculation in the machine scheduler and live-through registers
> On Aug 30, 2017, at 1:43 PM, Matthias Braun <matze at braunis.de> wrote:
>
> That means you cannot use the code from RegisterPressure.{cpp|h} to compute this. The other liveness analysis we have in llvm codegen is LiveIntervals (LiveItnervalAnalysis) which gives you a list of liveness segments of a given vreg (the same representation is used in most linear scan allocators even