55 /// Basic blocks are always exited in WQM as long as some successor needs WQM.
128   char Needs = 0;  member
134   char Needs = 0;  member
278            << ", Needs = " << PrintState(BII.second.Needs)  in printInfo()
284         dbgs() << "  " << MI << "    Needs = " << PrintState(III->second.Needs)  in printInfo()
304   // Ignore if the flag is already encompassed by the existing needs, or we  in markInstruction()
306   if ((II.Needs & Flag) == Flag)  in markInstruction()
310   II.Needs |= Flag;  in markInstruction()
488   // instruction as needing e.g. WQM before visiting it and realizing it needs  in scanInstructions()
521         // it needs to be executed in WQM or Exact so that its copy doesn't  in scanInstructions()
538           // need to be shuffled in strict wqm, but the export itself needs to  in scanInstructions()
540           BBI.Needs |= StateExact;  in scanInstructions()
554         III.Needs |= StateStrictWQM;  in scanInstructions()
569         BBI.Needs |= StateExact;  in scanInstructions()
633     Instructions[&MI].Needs = StateWQM;  in propagateInstruction()
634     II.Needs = StateWQM;  in propagateInstruction()
638   if (II.Needs & StateWQM) {  in propagateInstruction()
639     BI.Needs |= StateWQM;  in propagateInstruction()
648     char InNeeds = (II.Needs & ~StateStrict) | II.OutNeeds;  in propagateInstruction()
659   assert(!(II.Needs & StateExact));  in propagateInstruction()
661   if (II.Needs != 0)  in propagateInstruction()
662     markInstructionUses(MI, II.Needs, Worklist);  in propagateInstruction()
666   if (II.Needs & StateStrictWWM)  in propagateInstruction()
667     BI.Needs |= StateStrictWWM;  in propagateInstruction()
668   if (II.Needs & StateStrictWQM)  in propagateInstruction()
669     BI.Needs |= StateStrictWQM;  in propagateInstruction()
686   // Predecessor blocks must provide for our WQM/Exact needs.  in propagateBlock()
955       // so exec mask needs to be factored in.  in lowerKillI1()
1250   if (!IsEntry && BI.Needs == StateWQM && BI.OutNeeds != StateExact) {  in processBlock()
1288     char Needs = StateExact | StateWQM; // Strict mode is disabled by default.  in processBlock()  local
1297     // First, figure out the allowed states (Needs) based on the propagated  in processBlock()
1305           if (III->second.Needs & StateStrictWWM)  in processBlock()
1306             Needs = StateStrictWWM;  in processBlock()
1307           else if (III->second.Needs & StateStrictWQM)  in processBlock()
1308             Needs = StateStrictWQM;  in processBlock()
1309           else if (III->second.Needs & StateWQM)  in processBlock()
1310             Needs = StateWQM;  in processBlock()
1312             Needs &= ~III->second.Disabled;  in processBlock()
1318         Needs = StateExact | StateWQM | StateStrict;  in processBlock()
1323         Needs = StateExact;  in processBlock()
1329         Needs = StateWQM;  in processBlock()
1331         Needs = StateExact;  in processBlock()
1333         Needs = StateWQM | StateExact;  in processBlock()
1337     if (!(Needs & State)) {  in processBlock()
1339       if (State == StateStrictWWM || Needs == StateStrictWWM ||  in processBlock()
1340           State == StateStrictWQM || Needs == StateStrictWQM) {  in processBlock()
1357         SaveSCC = (Needs & StateStrict) || ((Needs & StateWQM) && WQMFromExec);  in processBlock()
1361         SaveSCC = !(Needs & StateWQM);  in processBlock()
1368           prepareInsertion(MBB, First, II, Needs == StateWQM, SaveSCC);  in processBlock()
1380       if (Needs & StateStrict) {  in processBlock()
1382         assert(Needs == StateStrictWWM || Needs == StateStrictWQM);  in processBlock()
1386         toStrictMode(MBB, Before, SavedNonStrictReg, Needs);  in processBlock()
1387         State = Needs;  in processBlock()
1390         if (State == StateWQM && (Needs & StateExact) && !(Needs & StateWQM)) {  in processBlock()
1398         } else if (State == StateExact && (Needs & StateWQM) &&  in processBlock()
1399                    !(Needs & StateExact)) {  in processBlock()
1411           // non-StrictWWM state that already matches our needs, but we  in processBlock()
1413           assert(Needs & State);  in processBlock()
1418     if (Needs != (StateExact | StateWQM | StateStrict)) {  in processBlock()
1419       if (Needs != (StateExact | StateWQM))  in processBlock()
1708     // Shader only needs WQM  in runOnMachineFunction()