lib/CodeGen/SplitKit.cpp

375                               const VNInfo *ParentVNI,
377   assert(ParentVNI && "Mapping  NULL value");
379   assert(Edit->getParent().getVNInfoAt(Idx) == ParentVNI && "Bad Parent VNI");
387     Values.insert(std::make_pair(std::make_pair(RegIdx, ParentVNI->id),
390   // This was the first time (RegIdx, ParentVNI) was mapped.
410 void SplitEditor::forceRecompute(unsigned RegIdx, const VNInfo *ParentVNI) {
411   assert(ParentVNI && "Mapping  NULL value");
412   ValueForcePair &VFP = Values[std::make_pair(RegIdx, ParentVNI->id)];
415   // ParentVNI was either unmapped or already complex mapped. Either way, just
432                                    VNInfo *ParentVNI,
445   LiveRangeEdit::Remat RM(ParentVNI);
459   return defValue(RegIdx, ParentVNI, Def);
485   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Idx);
486   if (!ParentVNI) {
490   DEBUG(dbgs() << ": valno " << ParentVNI->id << '\n');
494   VNInfo *VNI = defFromParent(OpenIdx, ParentVNI, Idx, *MI->getParent(), MI);
502   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Idx);
503   if (!ParentVNI) {
507   DEBUG(dbgs() << ": valno " << ParentVNI->id << '\n');
511   VNInfo *VNI = defFromParent(OpenIdx, ParentVNI, Idx, *MI->getParent(),
521   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Last);
522   if (!ParentVNI) {
526   DEBUG(dbgs() << ": valno " << ParentVNI->id);
527   VNInfo *VNI = defFromParent(OpenIdx, ParentVNI, Last, MBB,
552   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Boundary);
553   if (!ParentVNI) {
557   DEBUG(dbgs() << ": valno " << ParentVNI->id << '\n');
565   if (SpillMode && !SlotIndex::isSameInstr(ParentVNI->def, Idx) &&
567     forceRecompute(0, ParentVNI);
568     defFromParent(0, ParentVNI, Idx, *MI->getParent(), MI);
572   VNInfo *VNI = defFromParent(0, ParentVNI, Boundary, *MI->getParent(),
583   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Idx);
584   if (!ParentVNI) {
588   DEBUG(dbgs() << ": valno " << ParentVNI->id << '\n');
592   VNInfo *VNI = defFromParent(0, ParentVNI, Idx, *MI->getParent(), MI);
601   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Start);
602   if (!ParentVNI) {
607   VNInfo *VNI = defFromParent(0, ParentVNI, Start, MBB,
616   const VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Start);
617   assert(ParentVNI == Edit->getParent().getVNInfoBefore(End) &&
623   if (ParentVNI)
624     forceRecompute(0, ParentVNI);
737   // Track the nearest common dominator for all back-copies for each ParentVNI,
738   // indexed by ParentVNI->id.
749     VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(VNI->def);
750     assert(ParentVNI && "Parent not live at complement def");
754     if (Edit->didRematerialize(ParentVNI))
758     DomPair &Dom = NearestDom[ParentVNI->id];
761     // instruction in the complement range.  All other copies of ParentVNI
763     if (VNI->def == ParentVNI->def) {
770     if (Values.lookup(std::make_pair(0, ParentVNI->id)).getPointer()) {
776       // First time we see ParentVNI.  VNI dominates itself.
795                  << " for parent " << ParentVNI->id << '@' << ParentVNI->def
806     VNInfo *ParentVNI = Parent->getValNumInfo(i);
807     MachineBasicBlock *DefMBB = LIS.getMBBFromIndex(ParentVNI->def);
812       defFromParent(0, ParentVNI, Last, *Dom.first,
824     VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(VNI->def);
825     const DomPair &Dom = NearestDom[ParentVNI->id];
829     forceRecompute(0, ParentVNI);
843     VNInfo *ParentVNI = ParentI->valno;
863       // The interval [Start;End) is continuously mapped to RegIdx, ParentVNI.
868       ValueForcePair VFP = Values.lookup(std::make_pair(RegIdx, ParentVNI->id));
912         if (BlockStart == ParentVNI->def) {
914           assert(ParentVNI->isPHIDef() && "Non-phi defined at block start?");
1055     const VNInfo *ParentVNI = *I;
1056     if (ParentVNI->isUnused())
1058     unsigned RegIdx = RegAssign.lookup(ParentVNI->def);
1059     defValue(RegIdx, ParentVNI, ParentVNI->def);
1063     if (Edit->didRematerialize(ParentVNI))
1065         forceRecompute(i, ParentVNI);