[Utils] Remove redundant calls to std::unique_ptr<T>::get (NFC) (#139352)

Author: kazutakahirata

llvm/lib/Transforms/Utils/CloneFunction.cpp

@@ -44,7 +44,7 @@ using namespace llvm;
 STATISTIC(RemappedAtomMax, "Highest global NextAtomGroup (after mapping)");
 
 void llvm::mapAtomInstance(const DebugLoc &DL, ValueToValueMapTy &VMap) {
-  auto CurGroup = DL.get()->getAtomGroup();
+  auto CurGroup = DL->getAtomGroup();
   if (!CurGroup)
     return;
 

llvm/lib/Transforms/Utils/InlineFunction.cpp

@@ -1835,7 +1835,7 @@ static void fixupLineNumbers(Function *Fn, Function::iterator FI,
   // not-nodebug instructions. FIXME: Possibly worth transferring/generating
   // an atom for the returned value, otherwise we miss stepping on inlined
   // nodebug functions (which is different to existing behaviour).
-  DebugLoc TheCallDL = TheCall->getDebugLoc().get()->getWithoutAtom();
+  DebugLoc TheCallDL = TheCall->getDebugLoc()->getWithoutAtom();
 
   auto &Ctx = Fn->getContext();
   DILocation *InlinedAtNode = TheCallDL;