diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/ExprEngine.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/ExprEngine.cpp | 55 |
1 files changed, 4 insertions, 51 deletions
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp index 3826a12226..a422428b1b 100644 --- a/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -459,11 +459,15 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred, case Stmt::ContinueStmtClass: case Stmt::DefaultStmtClass: case Stmt::DoStmtClass: + case Stmt::ForStmtClass: case Stmt::GotoStmtClass: + case Stmt::IfStmtClass: case Stmt::IndirectGotoStmtClass: case Stmt::LabelStmtClass: case Stmt::NoStmtClass: case Stmt::NullStmtClass: + case Stmt::SwitchStmtClass: + case Stmt::WhileStmtClass: llvm_unreachable("Stmt should not be in analyzer evaluation loop"); break; @@ -620,12 +624,6 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred, VisitDeclStmt(cast<DeclStmt>(S), Pred, Dst); break; - case Stmt::ForStmtClass: - // This case isn't for branch processing, but for handling the - // initialization of a condition variable. - VisitCondInit(cast<ForStmt>(S)->getConditionVariable(), S, Pred, Dst); - break; - case Stmt::ImplicitCastExprClass: case Stmt::CStyleCastExprClass: case Stmt::CXXStaticCastExprClass: @@ -638,12 +636,6 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred, break; } - case Stmt::IfStmtClass: - // This case isn't for branch processing, but for handling the - // initialization of a condition variable. - VisitCondInit(cast<IfStmt>(S)->getConditionVariable(), S, Pred, Dst); - break; - case Stmt::InitListExprClass: VisitInitListExpr(cast<InitListExpr>(S), Pred, Dst); break; @@ -713,12 +705,6 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred, return; } - case Stmt::SwitchStmtClass: - // This case isn't for branch processing, but for handling the - // initialization of a condition variable. - VisitCondInit(cast<SwitchStmt>(S)->getConditionVariable(), S, Pred, Dst); - break; - case Stmt::UnaryOperatorClass: { const UnaryOperator *U = cast<UnaryOperator>(S); if (AMgr.shouldEagerlyAssume()&&(U->getOpcode() == UO_LNot)) { @@ -730,12 +716,6 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred, VisitUnaryOperator(U, Pred, Dst); break; } - - case Stmt::WhileStmtClass: - // This case isn't for branch processing, but for handling the - // initialization of a condition variable. - VisitCondInit(cast<WhileStmt>(S)->getConditionVariable(), S, Pred, Dst); - break; } } @@ -2308,33 +2288,6 @@ void ExprEngine::VisitDeclStmt(const DeclStmt *DS, ExplodedNode *Pred, } } -void ExprEngine::VisitCondInit(const VarDecl *VD, const Stmt *S, - ExplodedNode *Pred, ExplodedNodeSet& Dst) { - - const Expr* InitEx = VD->getInit(); - ExplodedNodeSet Tmp; - Visit(InitEx, Pred, Tmp); - - for (ExplodedNodeSet::iterator I=Tmp.begin(), E=Tmp.end(); I!=E; ++I) { - ExplodedNode *N = *I; - const GRState *state = GetState(N); - - const LocationContext *LC = N->getLocationContext(); - SVal InitVal = state->getSVal(InitEx); - - // Recover some path-sensitivity if a scalar value evaluated to - // UnknownVal. - if (InitVal.isUnknown() || - !getConstraintManager().canReasonAbout(InitVal)) { - InitVal = svalBuilder.getConjuredSymbolVal(NULL, InitEx, - Builder->getCurrentBlockCount()); - } - - evalBind(Dst, S, N, state, - loc::MemRegionVal(state->getRegion(VD, LC)), InitVal, true); - } -} - namespace { // This class is used by VisitInitListExpr as an item in a worklist // for processing the values contained in an InitListExpr. |