diff --git a/clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h b/clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
--- a/clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
+++ b/clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
@@ -489,11 +489,16 @@
   ///
   /// The visitors should be used when the default trace is not sufficient.
   /// For example, they allow constructing a more elaborate trace.
-  /// \sa registerConditionVisitor(), registerTrackNullOrUndefValue(),
-  /// registerFindLastStore(), registerNilReceiverVisitor(), and
-  /// registerVarDeclsLastStore().
+  /// @{
   void addVisitor(std::unique_ptr<BugReporterVisitor> visitor);
 
+  template <class VisitorType, class... Args>
+  void addVisitor(Args &&... ConstructorArgs) {
+    addVisitor(
+        std::make_unique<VisitorType>(std::forward<Args>(ConstructorArgs)...));
+  }
+  /// @}
+
   /// Remove all visitors attached to this bug report.
   void clearVisitors();
 
diff --git a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
--- a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
@@ -2123,7 +2123,7 @@
                                                       os.str(), N);
     R->markInteresting(Sym);
     R->addRange(Range);
-    R->addVisitor(std::make_unique<MallocBugVisitor>(Sym));
+    R->addVisitor<MallocBugVisitor>(Sym);
     C.emitReport(std::move(R));
   }
 }
@@ -2216,7 +2216,7 @@
 
     R->markInteresting(Sym);
     R->addRange(Range);
-    R->addVisitor(std::make_unique<MallocBugVisitor>(Sym));
+    R->addVisitor<MallocBugVisitor>(Sym);
 
     if (AF == AF_InnerBuffer)
       R->addVisitor(allocation_state::getInnerPointerBRVisitor(Sym));
@@ -2252,7 +2252,7 @@
     R->markInteresting(Sym);
     if (PrevSym)
       R->markInteresting(PrevSym);
-    R->addVisitor(std::make_unique<MallocBugVisitor>(Sym));
+    R->addVisitor<MallocBugVisitor>(Sym);
     C.emitReport(std::move(R));
   }
 }
@@ -2278,7 +2278,7 @@
         *BT_DoubleDelete, "Attempt to delete released memory", N);
 
     R->markInteresting(Sym);
-    R->addVisitor(std::make_unique<MallocBugVisitor>(Sym));
+    R->addVisitor<MallocBugVisitor>(Sym);
     C.emitReport(std::move(R));
   }
 }
@@ -2308,7 +2308,7 @@
     R->addRange(Range);
     if (Sym) {
       R->markInteresting(Sym);
-      R->addVisitor(std::make_unique<MallocBugVisitor>(Sym));
+      R->addVisitor<MallocBugVisitor>(Sym);
     }
     C.emitReport(std::move(R));
   }
@@ -2578,7 +2578,7 @@
       *BT_Leak[*CheckKind], os.str(), N, LocUsedForUniqueing,
       AllocNode->getLocationContext()->getDecl());
   R->markInteresting(Sym);
-  R->addVisitor(std::make_unique<MallocBugVisitor>(Sym, true));
+  R->addVisitor<MallocBugVisitor>(Sym, true);
   C.emitReport(std::move(R));
 }
 
diff --git a/clang/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp
--- a/clang/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp
@@ -170,7 +170,7 @@
     auto R = std::make_unique<PathSensitiveBugReport>(*BT, Msg, N);
     if (Region) {
       R->markInteresting(Region);
-      R->addVisitor(std::make_unique<NullabilityBugVisitor>(Region));
+      R->addVisitor<NullabilityBugVisitor>(Region);
     }
     if (ValueExpr) {
       R->addRange(ValueExpr->getSourceRange());
diff --git a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
--- a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
@@ -846,7 +846,7 @@
     : PathSensitiveBugReport(D, D.getDescription(), n), Sym(sym),
       isLeak(isLeak) {
   if (!isLeak)
-    addVisitor(std::make_unique<RefCountReportVisitor>(sym));
+    addVisitor<RefCountReportVisitor>(sym);
 }
 
 RefCountReport::RefCountReport(const RefCountBug &D, const LangOptions &LOpts,
@@ -854,7 +854,7 @@
                                StringRef endText)
     : PathSensitiveBugReport(D, D.getDescription(), endText, n) {
 
-  addVisitor(std::make_unique<RefCountReportVisitor>(sym));
+  addVisitor<RefCountReportVisitor>(sym);
 }
 
 void RefLeakReport::deriveParamLocation(CheckerContext &Ctx) {
@@ -984,9 +984,9 @@
     //       something like derived regions if we want to construct SVal from
     //       Sym. Instead, we take the value that is definitely stored in that
     //       region, thus guaranteeing that FindLastStoreBRVisitor will work.
-    addVisitor(std::make_unique<FindLastStoreBRVisitor>(
+    addVisitor<FindLastStoreBRVisitor>(
         AllVarBindings[0].second.castAs<KnownSVal>(), AllocBindingToReport,
-        false, bugreporter::TrackingKind::Thorough));
+        false, bugreporter::TrackingKind::Thorough);
   } else {
     AllocBindingToReport = AllocFirstBinding;
   }
@@ -1005,5 +1005,5 @@
 
   createDescription(Ctx);
 
-  addVisitor(std::make_unique<RefLeakReportVisitor>(Sym, AllocBindingToReport));
+  addVisitor<RefLeakReportVisitor>(Sym, AllocBindingToReport);
 }
diff --git a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
--- a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -2810,12 +2810,12 @@
 
     // Register refutation visitors first, if they mark the bug invalid no
     // further analysis is required
-    R->addVisitor(std::make_unique<LikelyFalsePositiveSuppressionBRVisitor>());
+    R->addVisitor<LikelyFalsePositiveSuppressionBRVisitor>();
 
     // Register additional node visitors.
-    R->addVisitor(std::make_unique<NilReceiverBRVisitor>());
-    R->addVisitor(std::make_unique<ConditionBRVisitor>());
-    R->addVisitor(std::make_unique<TagVisitor>());
+    R->addVisitor<NilReceiverBRVisitor>();
+    R->addVisitor<ConditionBRVisitor>();
+    R->addVisitor<TagVisitor>();
 
     BugReporterContext BRC(Reporter);
 
@@ -2828,7 +2828,7 @@
         // If crosscheck is enabled, remove all visitors, add the refutation
         // visitor and check again
         R->clearVisitors();
-        R->addVisitor(std::make_unique<FalsePositiveRefutationBRVisitor>());
+        R->addVisitor<FalsePositiveRefutationBRVisitor>();
 
         // We don't overwrite the notes inserted by other visitors because the
         // refutation manager does not add any new note to the path
diff --git a/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
--- a/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
+++ b/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
@@ -852,10 +852,10 @@
         bool EnableNullFPSuppression, PathSensitiveBugReport &BR,
         const SVal V) {
     AnalyzerOptions &Options = N->getState()->getAnalysisManager().options;
-    if (EnableNullFPSuppression &&
-        Options.ShouldSuppressNullReturnPaths && V.getAs<Loc>())
-      BR.addVisitor(std::make_unique<MacroNullReturnSuppressionVisitor>(
-              R->getAs<SubRegion>(), V));
+    if (EnableNullFPSuppression && Options.ShouldSuppressNullReturnPaths &&
+        V.getAs<Loc>())
+      BR.addVisitor<MacroNullReturnSuppressionVisitor>(R->getAs<SubRegion>(),
+                                                       V);
   }
 
   void* getTag() const {
@@ -1011,14 +1011,12 @@
     AnalyzerOptions &Options = State->getAnalysisManager().options;
 
     bool EnableNullFPSuppression = false;
-    if (InEnableNullFPSuppression &&
-        Options.ShouldSuppressNullReturnPaths)
+    if (InEnableNullFPSuppression && Options.ShouldSuppressNullReturnPaths)
       if (Optional<Loc> RetLoc = RetVal.getAs<Loc>())
         EnableNullFPSuppression = State->isNull(*RetLoc).isConstrainedTrue();
 
-    BR.addVisitor(std::make_unique<ReturnVisitor>(CalleeContext,
-                                                   EnableNullFPSuppression,
-                                                   Options, TKind));
+    BR.addVisitor<ReturnVisitor>(CalleeContext, EnableNullFPSuppression,
+                                 Options, TKind);
   }
 
   PathDiagnosticPieceRef visitNodeInitial(const ExplodedNode *N,
@@ -1589,8 +1587,8 @@
               dyn_cast_or_null<BlockDataRegion>(V.getAsRegion())) {
           if (const VarRegion *OriginalR = BDR->getOriginalRegion(VR)) {
             if (auto KV = State->getSVal(OriginalR).getAs<KnownSVal>())
-              BR.addVisitor(std::make_unique<FindLastStoreBRVisitor>(
-                  *KV, OriginalR, EnableNullFPSuppression, TKind, OriginSFC));
+              BR.addVisitor<FindLastStoreBRVisitor>(
+                  *KV, OriginalR, EnableNullFPSuppression, TKind, OriginSFC);
           }
         }
       }
@@ -2070,8 +2068,7 @@
   // TODO: Shouldn't we track control dependencies of every bug location, rather
   // than only tracked expressions?
   if (LVState->getAnalysisManager().getAnalyzerOptions().ShouldTrackConditions)
-    report.addVisitor(std::make_unique<TrackControlDependencyCondBRVisitor>(
-          InputNode));
+    report.addVisitor<TrackControlDependencyCondBRVisitor>(InputNode);
 
   // The message send could be nil due to the receiver being nil.
   // At this point in the path, the receiver should be live since we are at the
@@ -2098,8 +2095,8 @@
     // got initialized.
     if (RR && !LVIsNull)
       if (auto KV = LVal.getAs<KnownSVal>())
-        report.addVisitor(std::make_unique<FindLastStoreBRVisitor>(
-            *KV, RR, EnableNullFPSuppression, TKind, SFC));
+        report.addVisitor<FindLastStoreBRVisitor>(
+            *KV, RR, EnableNullFPSuppression, TKind, SFC);
 
     // In case of C++ references, we want to differentiate between a null
     // reference and reference to null pointer.
@@ -2112,20 +2109,19 @@
 
       // Mark both the variable region and its contents as interesting.
       SVal V = LVState->getRawSVal(loc::MemRegionVal(R));
-      report.addVisitor(
-          std::make_unique<NoStoreFuncVisitor>(cast<SubRegion>(R), TKind));
+      report.addVisitor<NoStoreFuncVisitor>(cast<SubRegion>(R), TKind);
 
       MacroNullReturnSuppressionVisitor::addMacroVisitorIfNecessary(
           LVNode, R, EnableNullFPSuppression, report, V);
 
       report.markInteresting(V, TKind);
-      report.addVisitor(std::make_unique<UndefOrNullArgVisitor>(R));
+      report.addVisitor<UndefOrNullArgVisitor>(R);
 
       // If the contents are symbolic and null, find out when they became null.
       if (V.getAsLocSymbol(/*IncludeBaseRegions=*/true))
         if (LVState->isNull(V).isConstrainedTrue())
-          report.addVisitor(std::make_unique<TrackConstraintBRVisitor>(
-              V.castAs<DefinedSVal>(), false));
+          report.addVisitor<TrackConstraintBRVisitor>(V.castAs<DefinedSVal>(),
+                                                      false);
 
       // Add visitor, which will suppress inline defensive checks.
       if (auto DV = V.getAs<DefinedSVal>())
@@ -2135,14 +2131,13 @@
           // was evaluated. InputNode may as well be too early here, because
           // the symbol is already dead; this, however, is fine because we can
           // still find the node in which it collapsed to null previously.
-          report.addVisitor(
-              std::make_unique<SuppressInlineDefensiveChecksVisitor>(
-                  *DV, InputNode));
+          report.addVisitor<SuppressInlineDefensiveChecksVisitor>(*DV,
+                                                                  InputNode);
         }
 
       if (auto KV = V.getAs<KnownSVal>())
-        report.addVisitor(std::make_unique<FindLastStoreBRVisitor>(
-            *KV, R, EnableNullFPSuppression, TKind, SFC));
+        report.addVisitor<FindLastStoreBRVisitor>(
+            *KV, R, EnableNullFPSuppression, TKind, SFC);
       return true;
     }
   }
@@ -2177,19 +2172,18 @@
       RVal = LVState->getSVal(L->getRegion());
 
     if (CanDereference) {
-      report.addVisitor(
-          std::make_unique<UndefOrNullArgVisitor>(L->getRegion()));
+      report.addVisitor<UndefOrNullArgVisitor>(L->getRegion());
 
       if (auto KV = RVal.getAs<KnownSVal>())
-        report.addVisitor(std::make_unique<FindLastStoreBRVisitor>(
-            *KV, L->getRegion(), EnableNullFPSuppression, TKind, SFC));
+        report.addVisitor<FindLastStoreBRVisitor>(
+            *KV, L->getRegion(), EnableNullFPSuppression, TKind, SFC);
     }
 
     const MemRegion *RegionRVal = RVal.getAsRegion();
-    if (RegionRVal && isa<SymbolicRegion>(RegionRVal)) {
+    if (isa_and_nonnull<SymbolicRegion>(RegionRVal)) {
       report.markInteresting(RegionRVal, TKind);
-      report.addVisitor(std::make_unique<TrackConstraintBRVisitor>(
-            loc::MemRegionVal(RegionRVal), /*assumption=*/false));
+      report.addVisitor<TrackConstraintBRVisitor>(loc::MemRegionVal(RegionRVal),
+                                                  /*assumption=*/false);
     }
   }