Cross Reference: /external/llvm/lib/Transforms/Scalar/SCCP.cpp

Lines Matching defs:overdefined
67     /// with another (different) constant, it goes to overdefined, instead of
71     /// overdefined - This instruction is not known to be constant, and we know
73     overdefined
91   bool isOverdefined() const { return getLatticeValue() == overdefined; }
103     Val.setInt(overdefined);
120              "Cannot move from overdefined to constant!");
124       // Otherwise, we go to overdefined.  Assumptions made based on the
127       Val.setInt(overdefined);
170   /// overdefined, it's entry is simply removed from this map.
191   /// The reason for two worklists is that overdefined is the lowest state
192   /// on the lattice, and moving things to overdefined as fast as possible
196   /// possibly overdefined will become overdefined at the soonest possible
292   /// markAnythingOverdefined - Mark the specified value overdefined.  This
333   // markOverdefined - Make a value be marked as "overdefined". If the
334   // value is not already overdefined, add it to the overdefined instruction
641 //    from different branches, or if the PHI node merges in an overdefined
642 //    value, then the PHI node becomes overdefined.
650 // 7. If a conditional branch has a value that is overdefined, make all
654   // If this PN returns a struct, just mark the result overdefined.
663   // and slow us down a lot.  Just mark them overdefined.
668   // are overdefined, the PHI becomes overdefined as well.  If they are all
670   // constant.  If they are constant and don't agree, the PHI is overdefined.
681     if (IV.isOverdefined())    // PHI node becomes overdefined!
690     // then the PHI node becomes overdefined.  If we agree with it, we
694     // node is overdefined.
812   // If this select returns a struct, just mark the result overdefined.
827   // Otherwise, the condition is overdefined or a constant we can't evaluate.
828   // See if we can produce something better than overdefined based on the T/F
862   // Otherwise, one of our operands is overdefined.  Try to produce something
863   // better than overdefined with some tricks.
866   // operand is overdefined.
1039   // If this load is of a struct, just mark the result overdefined.
1116     // Otherwise, we don't know anything about this call, mark it overdefined.
1172     // Process the overdefined instruction's work list first, which drives other
1173     // things to overdefined more quickly.
1180       // bottom to constant, or to overdefined.
1182       // Anything on this worklist that is overdefined need not be visited
1183       // since all of its users will have already been marked as overdefined
1200       // Anything on this worklist that is overdefined need not be visited
1201       // since all of its users will have already been marked as overdefined.
1254         // Tracked calls must never be marked overdefined in ResolvedUndefsIn.
1265         // Send the results of everything else to overdefined.  We could be
1284       // overdefined markings.
1429         // never be marked overdefined in ResolvedUndefsIn.
1434         // If the call is constant-foldable, we mark it overdefined because
1441         // overdefined.
1568   // Mark all arguments to the function as being overdefined.
1702   // taken or that are external as overdefined.