[PATCH] D110422: [AIX] Enable PGO without LTO

[Jinsong Ji via Phabricator via cfe-commits]

jsji added a comment.

Pos_Rel __profc_weak_func notation is just the normal relocation to symbol __profc_weak_func.

The relocation here is to calculate the relative pointer (offset) to __profc__weak_func from __profd__weak__func.

In example above, the offsets value after binding will be the same for both instances, as the symbol __profc__weak__func will be the one that is chosen by binder. Let us say it is the value of first instances.

Then when we calculate the profc_weak_func pointer for 2nd instances, we get garbage value.


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  https://reviews.llvm.org/D110422/new/

https://reviews.llvm.org/D110422