[analyzer][NFC] Simplify and eliminate redundant map lookups (#125272)

Author: steakhal

clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h

@@ -353,12 +353,7 @@ class SMTConstraintManager : public clang::ento::SimpleConstraintManager {
     addStateConstraints(NewState);
 
     std::optional<bool> res = Solver->check();
-    if (!res)
-      Cached[hash] = ConditionTruthVal();
-    else
-      Cached[hash] = ConditionTruthVal(*res);
-
-    return Cached[hash];
+    return Cached[hash] = res ? ConditionTruthVal(*res) : ConditionTruthVal();
   }
 
   // Cache the result of an SMT query (true, false, unknown). The key is the

clang/lib/StaticAnalyzer/Checkers/ExprInspectionChecker.cpp

@@ -227,10 +227,11 @@ void ExprInspectionChecker::analyzerWarnIfReached(const CallExpr *CE,
 
 void ExprInspectionChecker::analyzerNumTimesReached(const CallExpr *CE,
                                                     CheckerContext &C) const {
-  ++ReachedStats[CE].NumTimesReached;
-  if (!ReachedStats[CE].ExampleNode) {
+  ReachedStat &Stat = ReachedStats[CE];
+  ++Stat.NumTimesReached;
+  if (!Stat.ExampleNode) {
     // Later, in checkEndAnalysis, we'd throw a report against it.
-    ReachedStats[CE].ExampleNode = C.generateNonFatalErrorNode();
+    Stat.ExampleNode = C.generateNonFatalErrorNode();
   }
 }