Peter Waller 14dcf8214f [BOLT] Add --pad-funcs-before=func:n (#117924) ...

This complements --pad-funcs, and by using both simultaneously, enables
moving a specific function through the address space without modifying
any code
other than the targeted function (and references to it) by doing
(before+after=constant).

See also: proposed functionality to enable inserting random padding in

https://discourse.llvm.org/t/rfc-lld-feature-for-controlling-for-code-size-dependent-measurement-bias
and https://github.com/llvm/llvm-project/pull/117653

2024-12-11 09:58:52 +00:00

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