[llvm] [clang] [lld] [Propeller] Add new flag option '-basic-block-sections=listwithlabels=' to support to use Propeller iteratively. (PR #76497)

[Rahman Lavaee via cfe-commits]

rlavaee wrote:

Thanks for looking into this. I didn't know you're still looking into this. I have a complete PR (including changes to llvm-objdump, llvm-readobj, etc.) ready here : https://github.com/rlavaee/llvm-project/tree/bb-addr-map


https://github.com/llvm/llvm-project/pull/76497