[DebugInfo] Remove `dbg.addr` from Analysis

[jryans]

Summary

Part of dbg.addr removal
Discussed in https://discourse.llvm.org/t/what-is-the-status-of-dbg-addr/62898

Depends on D144798

[jryans]

@Orlando I suppose dbg.assign should be added to this list (in a separate patch)...?

[Orlando]

I suppose dbg.assign should be added to this list (in a separate patch)...?

Yes you're right, thanks - I think that's simple enough to land directly so I'll commit that after you land this (not in a rush as it looks like it's not/shouldn't be a functional change).

llvm/lib/Analysis/MemorySSA.cpp

if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(DefInst)) {
     // context.
     switch (II->getIntrinsicID()) {
     case Intrinsic::invariant_start:
     case Intrinsic::invariant_end:
     case Intrinsic::assume:
     case Intrinsic::experimental_noalias_scope_decl:
     case Intrinsic::pseudoprobe:
       return false;
-    case Intrinsic::dbg_addr:
     case Intrinsic::dbg_declare:
     case Intrinsic::dbg_label:
     case Intrinsic::dbg_value:
       llvm_unreachable("debuginfo shouldn't have associated defs!");
     default:
       break;
     }
   }