diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/SValBuilder.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/SValBuilder.cpp | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/lib/StaticAnalyzer/Core/SValBuilder.cpp b/lib/StaticAnalyzer/Core/SValBuilder.cpp index 9e97f5e7d1..c1217e1174 100644 --- a/lib/StaticAnalyzer/Core/SValBuilder.cpp +++ b/lib/StaticAnalyzer/Core/SValBuilder.cpp @@ -195,30 +195,26 @@ DefinedSVal SValBuilder::getBlockPointer(const BlockDecl *block, //===----------------------------------------------------------------------===// -SVal SValBuilder::makeGenericVal(ProgramStateRef State, - BinaryOperator::Opcode Op, - NonLoc LHS, NonLoc RHS, - QualType ResultTy) { - // If operands are tainted, create a symbol to ensure that we propagate taint. - if (State->isTainted(RHS) || State->isTainted(LHS)) { - const SymExpr *symLHS; - const SymExpr *symRHS; - - if (const nonloc::ConcreteInt *rInt = dyn_cast<nonloc::ConcreteInt>(&RHS)) { - symLHS = LHS.getAsSymExpr(); - return makeNonLoc(symLHS, Op, rInt->getValue(), ResultTy); - } - - if (const nonloc::ConcreteInt *lInt = dyn_cast<nonloc::ConcreteInt>(&LHS)) { - symRHS = RHS.getAsSymExpr(); - return makeNonLoc(lInt->getValue(), Op, symRHS, ResultTy); - } - +SVal SValBuilder::makeSymExprValNN(ProgramStateRef State, + BinaryOperator::Opcode Op, + NonLoc LHS, NonLoc RHS, + QualType ResultTy) { + const SymExpr *symLHS; + const SymExpr *symRHS; + + if (const nonloc::ConcreteInt *rInt = dyn_cast<nonloc::ConcreteInt>(&RHS)) { symLHS = LHS.getAsSymExpr(); + return makeNonLoc(symLHS, Op, rInt->getValue(), ResultTy); + } + + if (const nonloc::ConcreteInt *lInt = dyn_cast<nonloc::ConcreteInt>(&LHS)) { symRHS = RHS.getAsSymExpr(); - return makeNonLoc(symLHS, Op, symRHS, ResultTy); + return makeNonLoc(lInt->getValue(), Op, symRHS, ResultTy); } - return UnknownVal(); + + symLHS = LHS.getAsSymExpr(); + symRHS = RHS.getAsSymExpr(); + return makeNonLoc(symLHS, Op, symRHS, ResultTy); } |