[lldb] Remove redundant calls to std::unique_ptr<T>::get (NFC) (#139428)

Author: kazutakahirata

lldb/source/Target/RegisterContextUnwind.cpp

@@ -279,7 +279,7 @@ void RegisterContextUnwind::InitializeZerothFrame() {
       call_site_unwind_plan = func_unwinders_sp->GetUnwindPlanAtCallSite(
           process->GetTarget(), m_thread);
 
-    if (call_site_unwind_plan.get() != nullptr) {
+    if (call_site_unwind_plan != nullptr) {
       m_fallback_unwind_plan_sp = call_site_unwind_plan;
       if (TryFallbackUnwindPlan())
         cfa_status = true;
@@ -1722,10 +1722,10 @@ RegisterContextUnwind::SavedLocationForRegister(
 // tricky frame and our usual techniques can continue to be used.
 
 bool RegisterContextUnwind::TryFallbackUnwindPlan() {
-  if (m_fallback_unwind_plan_sp.get() == nullptr)
+  if (m_fallback_unwind_plan_sp == nullptr)
     return false;
 
-  if (m_full_unwind_plan_sp.get() == nullptr)
+  if (m_full_unwind_plan_sp == nullptr)
     return false;
 
   if (m_full_unwind_plan_sp.get() == m_fallback_unwind_plan_sp.get() ||
@@ -1773,7 +1773,7 @@ bool RegisterContextUnwind::TryFallbackUnwindPlan() {
   // fallback UnwindPlan. We checked if m_fallback_unwind_plan_sp was nullptr
   // at the top -- the only way it became nullptr since then is via
   // SavedLocationForRegister().
-  if (m_fallback_unwind_plan_sp.get() == nullptr)
+  if (m_fallback_unwind_plan_sp == nullptr)
     return true;
 
   // Switch the full UnwindPlan to be the fallback UnwindPlan.  If we decide
@@ -1862,10 +1862,10 @@ bool RegisterContextUnwind::TryFallbackUnwindPlan() {
 }
 
 bool RegisterContextUnwind::ForceSwitchToFallbackUnwindPlan() {
-  if (m_fallback_unwind_plan_sp.get() == nullptr)
+  if (m_fallback_unwind_plan_sp == nullptr)
     return false;
 
-  if (m_full_unwind_plan_sp.get() == nullptr)
+  if (m_full_unwind_plan_sp == nullptr)
     return false;
 
   if (m_full_unwind_plan_sp.get() == m_fallback_unwind_plan_sp.get() ||