ayermolo added inline comments.

================
Comment at: bolt/include/bolt/Core/DebugData.h:375-377
+    if (Optional<uint64_t> DWOId = Unit.getDWOId())
+      return *DWOId;
+    return Unit.getOffset();
----------------
ayermolo wrote:
> dblaikie wrote:
> > That seems like a somewhat problematic API - returning two very different 
> > kinds of data (the DWO_ID or the unit offset) seems quite easy to misuse 
> > this?
> The idea I had behind this APIS is for it to return unique ID representing 
> the CU. As it applies to .debug_addr. For monolithic case is its offset with 
> .debug_info for Split Dwarf case is its DWO ID. At least in my head viewed in 
> that context the return data is the same. It's just something that uniquely 
> identifies this CU, and logic is encapsulated in it.
> 
@dblaikie What do you think?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122988/new/

https://reviews.llvm.org/D122988

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