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__probestack
2015 Jul 28
2
[LLVMdev] Adding a stack probe function attribute
...> - (future work) For LLILAC, if this attribute is present but the string
> is
> > empty, this can be a signal that the check must be emitted inline,
> either as
> > a sequence of stores or a loop.
> >
> > This also addresses David's concern with the hardcoded __probestack
> symbol
> > name.
> First of all, LLVM should be free to choose how it does stack probes,
> it could call ___chkstk_ms, ___chkstk_ms, __chkstk, _alloca, _chkstk,
> __probestack or any other stack probe function it knows about, it
> could unroll and inline it for smaller alloca...