[clang] [compiler-rt] [llvm] [InstrFDO][TypeProf] Implement binary instrumentation and profile read/write (PR #66825)

[Mingming Liu via cfe-commits]

minglotus-6 wrote:

New changes since last review besides clang-formats
1. Merged profile format change from main branch.
2. In instrumentation pass, emit unsupported warnings for non-ELF object file formats. 
    - Updated vtable_profile.ll and add vtable_prof_unsupported.ll as test cases.

https://github.com/llvm/llvm-project/pull/66825