APInt swift::constantFoldBitOperation(APInt lhs, APInt rhs, BuiltinValueKind ID) {
switch (ID) {
default: llvm_unreachable("Not all cases are covered!");
case BuiltinValueKind::And:
return lhs.And(rhs);
case BuiltinValueKind::AShr:
return lhs.ashr(rhs);
case BuiltinValueKind::LShr:
return lhs.lshr(rhs);
case BuiltinValueKind::Or:
return lhs.Or(rhs);
case BuiltinValueKind::Shl:
return lhs.shl(rhs);
case BuiltinValueKind::Xor:
return lhs.Xor(rhs);
}
}
