Lines Matching full:covering
74 // call that will influence register covering. The register references
103 // The traversal upwards must go on until a covering def is encountered.
104 // It is possible that a collection of non-covering (individually) defs
105 // will be sufficient, but keep going until a covering one is found.
110 // Stop at the covering/overwriting def of the initial register reference.
181 // instruction, pick the defs that contribute to the covering (i.e. is
852 bool Covering = RAI.covers(DDR, I.first);
854 while (U && Covering) {
857 Covering = RAI.covers(DA.Addr->getRegRef(), Q);
860 if (!Covering)
866 // Non-covering defs from B.
874 // Preserving defs do not count towards covering.
