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r206765
2014 Jan 17
3
[LLVMdev] Artificial deps and stores
Andy, et al.,
In ScheduleDAGInstrs::buildSchedGraph, the code for handling stores has this:
if (!ExitSU.isPred(SU))
// Push store's up a bit to avoid them getting in between cmp
// and branches.
ExitSU.addPred(SDep(SU, SDep::Artificial));
This code does not seem to be in any way specific to compares; and in any case, at least on the PPC A2, scheduling stores in