Lines Matching full:overdefined
66 /// with another (different) constant, it goes to overdefined, instead of
70 /// overdefined - This instruction is not known to be constant, and we know
72 overdefined
90 bool isOverdefined() const { return getLatticeValue() == overdefined; }
102 Val.setInt(overdefined);
119 "Cannot move from overdefined to constant!");
123 // Otherwise, we go to overdefined. Assumptions made based on the
126 Val.setInt(overdefined);
169 /// overdefined, it's entry is simply removed from this map.
190 /// The reason for two worklists is that overdefined is the lowest state
191 /// on the lattice, and moving things to overdefined as fast as possible
195 /// possibly overdefined will become overdefined at the soonest possible
298 /// markAnythingOverdefined - Mark the specified value overdefined. This
339 // markOverdefined - Make a value be marked as "overdefined". If the
340 // value is not already overdefined, add it to the overdefined instruction
534 // Overdefined condition variables, and branches on unfoldable constant
560 if (CI == 0) { // Overdefined or undefined condition?
602 // Overdefined condition variables mean the branch could go either way,
646 // from different branches, or if the PHI node merges in an overdefined
647 // value, then the PHI node becomes overdefined.
651 // 4. If V <- x (op) y && (isOverdefined(x) || isOverdefined(y)) V = Overdefined
652 // 5. If V <- MEM or V <- CALL or V <- (unknown) then V = Overdefined
655 // 7. If a conditional branch has a value that is overdefined, make all
659 // If this PN returns a struct, just mark the result overdefined.
668 // and slow us down a lot. Just mark them overdefined.
673 // are overdefined, the PHI becomes overdefined as well. If they are all
675 // constant. If they are constant and don't agree, the PHI is overdefined.
686 if (IV.isOverdefined()) // PHI node becomes overdefined!
695 // then the PHI node becomes overdefined. If we agree with it, we
699 // node is overdefined.
820 // If this select returns a struct, just mark the result overdefined.
835 // Otherwise, the condition is overdefined or a constant we can't evaluate.
836 // See if we can produce something better than overdefined based on the T/F
870 // Otherwise, one of our operands is overdefined. Try to produce something
871 // better than overdefined with some tricks.
874 // operand is overdefined.
1047 // If this load is of a struct, just mark the result overdefined.
1124 // Otherwise, we don't know anything about this call, mark it overdefined.
1180 // Process the overdefined instruction's work list first, which drives other
1181 // things to overdefined more quickly.
1190 // Anything on this worklist that is overdefined need not be visited
1191 // since all of its users will have already been marked as overdefined
1209 // Anything on this worklist that is overdefined need not be visited
1210 // since all of its users will have already been marked as overdefined.
1264 // Tracked calls must never be marked overdefined in ResolvedUndefsIn.
1275 // Send the results of everything else to overdefined. We could be
1294 // overdefined markings.
1439 // never be marked overdefined in ResolvedUndefsIn.
1444 // If the call is constant-foldable, we mark it overdefined because
1451 // overdefined.
1574 // Mark all arguments to the function as being overdefined.
1708 // taken or that are external as overdefined.
1935 "Overdefined values should have been taken out of the map!");
