bool BasicConstraintManager::isNotEqual(ProgramStateRef state,
SymbolRef sym,
const llvm::APSInt& V) const {
// Retrieve the NE-set associated with the given symbol.
const ConstNotEqTy::data_type* T = state->get<ConstNotEq>(sym);
// See if V is present in the NE-set.
return T ? T->contains(&state->getBasicVals().getValue(V)) : false;
}
ProgramStateRef BasicConstraintManager::AddNE(ProgramStateRef state,
SymbolRef sym,
const llvm::APSInt& V) {
// First, retrieve the NE-set associated with the given symbol.
ConstNotEqTy::data_type* T = state->get<ConstNotEq>(sym);
ProgramState::IntSetTy S = T ? *T : ISetFactory.getEmptySet();
// Now add V to the NE set.
S = ISetFactory.add(S, &state->getBasicVals().getValue(V));
// Create a new state with the old binding replaced.
return state->set<ConstNotEq>(sym, S);
}
ProgramStateRef BasicConstraintManager::AddEQ(ProgramStateRef state,
SymbolRef sym,
const llvm::APSInt& V) {
// Create a new state with the old binding replaced.
return state->set<ConstEq>(sym, &state->getBasicVals().getValue(V));
}
