[llvm] [HWASAN] Update dbg.assign intrinsics in HWAsan pass (PR #79864)

[Florian Mayer via llvm-commits]

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@@ -138,30 +156,20 @@ void StackInfoBuilder::visit(Instruction &Inst) {
     return;
   }
   if (auto *DVI = dyn_cast<DbgVariableIntrinsic>(&Inst)) {
-    for (Value *V : DVI->location_ops()) {
+    auto AddIfInteresting = [&](Value *V) {
       if (auto *AI = dyn_cast_or_null<AllocaInst>(V)) {
         if (!isInterestingAlloca(*AI))
-          continue;
+          return;
         AllocaInfo &AInfo = Info.AllocasToInstrument[AI];
         auto &DVIVec = AInfo.DbgVariableIntrinsics;
         if (DVIVec.empty() || DVIVec.back() != DVI)
           DVIVec.push_back(DVI);
       }
-    }
-  }
-
-  // Check for non-intrinsic debug-info records.
-  for (auto &DPV : Inst.getDbgValueRange()) {
-    for (Value *V : DPV.location_ops()) {
-      if (auto *AI = dyn_cast_or_null<AllocaInst>(V)) {
-        if (!isInterestingAlloca(*AI))
-          continue;
-        AllocaInfo &AInfo = Info.AllocasToInstrument[AI];
-        auto &DPVVec = AInfo.DbgVariableRecords;
-        if (DPVVec.empty() || DPVVec.back() != &DPV)
-          DPVVec.push_back(&DPV);
-      }
-    }
+    };
+    for (Value *V : DVI->location_ops())
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fmayer wrote:

optional nit: for_each

https://github.com/llvm/llvm-project/pull/79864