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liveregs
2014 Oct 14
2
[LLVMdev] Thoughts on maintaining liveness information for stackmaps
I think what's happening is BranchFolder::MaintainLiveIns is using a
forward analysis on top of these missing kill flags, and updating the
BB-live-ins/live-outs with an incorrect set of registers. Then when the
stackmaps liveness analysis happens, it's not doing anything wrong, but it
starts with the wrong set of live registers and will propagate those to the
point of the