[llvm-dev] [RFC] Function stack size section.

Sean Eveson via llvm-dev llvm-dev at lists.llvm.org
Thu Aug 31 07:09:50 PDT 2017

Hi All,

We have a local change in the X86AsmPrinter that outputs a section
containing metadata on function stack sizes. We use this to measure changes
to stack size between versions of the compiler and it also allows our
licensees to do the same for their code.

The section simply contains pairs of function symbol references (8 byte)
and stack sizes (unsigned LEB128).

We would like to upstream this change as a PS4 only modification, or as a
more general cross platform one.

Would people be interested in (or happy with) such a patch, target specific
or otherwise?


Sean Eveson
SN Systems - Sony Interactive Entertainment
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