[llvm] [BOLT] Add validation for direct call/branch targets, bypassing invalid functions (PR #165406)

[Jinjie Huang via llvm-commits]

Jinjie-Huang wrote:

Thanks for review! A test for AArch64 has been added. Additionally, it seems that detecting data in code is more straightforward on ARM, so a check has also been added to verify if the target address points to data.

https://github.com/llvm/llvm-project/pull/165406