20 static bool implies(const LExpr *LHS, bool LNeg, const LExpr *RHS, bool RNeg) {  in implies()  argument
25     return implies(A->left(), LNeg, RHS, RNeg) &&  in implies()
26            implies(A->right(), LNeg, RHS, RNeg);  in implies()
29     return implies(LHS, LNeg, A->left(), RNeg) &&  in implies()
30            implies(LHS, LNeg, A->right(), RNeg);  in implies()
35     return implies(A->left(), LNeg, RHS, RNeg) ||  in implies()
36            implies(A->right(), LNeg, RHS, RNeg);  in implies()
39     return implies(LHS, LNeg, A->left(), RNeg) ||  in implies()
40            implies(LHS, LNeg, A->right(), RNeg);  in implies()
50     return RNeg ? RightOrOperator(cast<And>(RHS))  in implies()
57     return RNeg ? RightAndOperator(cast<Or>(RHS))  in implies()
62     return implies(LHS, LNeg, cast<Not>(RHS)->exp(), !RNeg);  in implies()
87     return implies(cast<Not>(LHS)->exp(), !LNeg, RHS, RNeg);  in implies()
95   if (LNeg != RNeg)  in implies()