[clang] ca94f28 - [clang] ExprEngine::VisitCXXNewExpr - remove superfluous nullptr tests

Simon Pilgrim via cfe-commits cfe-commits at lists.llvm.org
Wed Mar 2 07:59:24 PST 2022


Author: Simon Pilgrim
Date: 2022-03-02T15:59:10Z
New Revision: ca94f28d15d53bb77ad347d6e374486475f86121

URL: https://github.com/llvm/llvm-project/commit/ca94f28d15d53bb77ad347d6e374486475f86121
DIFF: https://github.com/llvm/llvm-project/commit/ca94f28d15d53bb77ad347d6e374486475f86121.diff

LOG: [clang] ExprEngine::VisitCXXNewExpr - remove superfluous nullptr tests

FD has already been dereferenced

Added: 
    

Modified: 
    clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp b/clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp
index ba105f34a9158..0a6127d800152 100644
--- a/clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp
+++ b/clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp
@@ -883,13 +883,10 @@ void ExprEngine::VisitCXXNewExpr(const CXXNewExpr *CNE, ExplodedNode *Pred,
     // where new can return NULL. If we end up supporting that option, we can
     // consider adding a check for it here.
     // C++11 [basic.stc.dynamic.allocation]p3.
-    if (FD) {
-      QualType Ty = FD->getType();
-      if (const auto *ProtoType = Ty->getAs<FunctionProtoType>())
-        if (!ProtoType->isNothrow())
-          if (auto dSymVal = symVal.getAs<DefinedOrUnknownSVal>())
-            State = State->assume(*dSymVal, true);
-    }
+    if (const auto *ProtoType = FD->getType()->getAs<FunctionProtoType>())
+      if (!ProtoType->isNothrow())
+        if (auto dSymVal = symVal.getAs<DefinedOrUnknownSVal>())
+          State = State->assume(*dSymVal, true);
   }
 
   StmtNodeBuilder Bldr(Pred, Dst, *currBldrCtx);
@@ -914,7 +911,7 @@ void ExprEngine::VisitCXXNewExpr(const CXXNewExpr *CNE, ExplodedNode *Pred,
   // CXXNewExpr, we need to make sure that the constructed object is not
   // immediately invalidated here. (The placement call should happen before
   // the constructor call anyway.)
-  if (FD && FD->isReservedGlobalPlacementOperator()) {
+  if (FD->isReservedGlobalPlacementOperator()) {
     // Non-array placement new should always return the placement location.
     SVal PlacementLoc = State->getSVal(CNE->getPlacementArg(0), LCtx);
     Result = svalBuilder.evalCast(PlacementLoc, CNE->getType(),


        


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