Target/AMDGPU/AMDILCFGStructurizer.cpp

279       MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB);
281       MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB);
283       MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB,
286       MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB,
295       MachineBasicBlock *FalseMBB, MachineBasicBlock *LandMBB);
952   MachineBasicBlock *FalseMBB = getFalseBranch(MBB, BranchMI);
953   NumMatch += serialPatternMatch(FalseMBB);
954   NumMatch += ifPatternMatch(FalseMBB);
958   assert (!TrueMBB->succ_empty() || !FalseMBB->succ_empty());
960   if (TrueMBB->succ_size() == 1 && FalseMBB->succ_size() == 1
961     && *TrueMBB->succ_begin() == *FalseMBB->succ_begin()) {
964   } else if (TrueMBB->succ_size() == 1 && *TrueMBB->succ_begin() == FalseMBB) {
966     LandBlk = FalseMBB;
967     FalseMBB = nullptr;
968   } else if (FalseMBB->succ_size() == 1
969              && *FalseMBB->succ_begin() == TrueMBB) {
972     std::swap(TrueMBB, FalseMBB);
974     LandBlk = FalseMBB;
975     FalseMBB = nullptr;
976   } else if (FalseMBB->succ_size() == 1
977              && isSameloopDetachedContbreak(TrueMBB, FalseMBB)) {
978     LandBlk = *FalseMBB->succ_begin();
980     && isSameloopDetachedContbreak(FalseMBB, TrueMBB)) {
983     return NumMatch + handleJumpintoIf(MBB, TrueMBB, FalseMBB);
991       || (FalseMBB && FalseMBB->pred_size() > 1))) {
992      Cloned += improveSimpleJumpintoIf(MBB, TrueMBB, FalseMBB, &LandBlk);
1000   if (FalseMBB && FalseMBB->pred_size() > 1) {
1001     FalseMBB = cloneBlockForPredecessor(FalseMBB, MBB);
1005   mergeIfthenelseBlock(BranchMI, MBB, TrueMBB, FalseMBB, LandBlk);
1098     MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB) {
1099   int Num = handleJumpintoIfImp(HeadMBB, TrueMBB, FalseMBB);
1103     Num = handleJumpintoIfImp(HeadMBB, FalseMBB, TrueMBB);
1109     MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB) {
1119                     << FalseMBB->getNumber() << "\n";);
1124     if (singlePathTo(FalseMBB, DownBlk) == SinglePath_InPath) {
1128       Num += cloneOnSideEntryTo(HeadMBB, FalseMBB, DownBlk);
1148     MachineBasicBlock *FalseMBB, MachineBasicBlock *LandMBB, bool Detail) {
1166   if (FalseMBB) {
1167     dbgs() << ", false = BB" << FalseMBB->getNumber() << " size = "
1168            << FalseMBB->size() << " numPred = " << FalseMBB->pred_size();
1171       FalseMBB->print(dbgs());
1190     MachineBasicBlock *TrueMBB, MachineBasicBlock *FalseMBB,
1198          && (!FalseMBB || FalseMBB->succ_size() <= 1));
1200   if (TrueMBB == FalseMBB)
1204   MigrateFalse = needMigrateBlock(FalseMBB);
1214   if (!MigrateFalse && FalseMBB && FalseMBB->pred_size() > 1)
1219       showImproveSimpleJumpintoIf(HeadMBB, TrueMBB, FalseMBB, LandBlk, 0););
1335     migrateInstruction(FalseMBB, LandBlk, I);
1350       if (MBB != TrueMBB && MBB != FalseMBB)
1356       showImproveSimpleJumpintoIf(HeadMBB, TrueMBB, FalseMBB, LandBlk, 0););
1380     MachineBasicBlock *FalseMBB, MachineBasicBlock *LandMBB) {
1385              dbgs() << "{  "; if (FalseMBB) {
1386                dbgs() << "BB" << FalseMBB->getNumber();
1416   if (FalseMBB) {
1418     MBB->splice(I, FalseMBB, FalseMBB->begin(),
1419                    FalseMBB->end());
1420     MBB->removeSuccessor(FalseMBB, true);
1421     if (LandMBB && FalseMBB->succ_size() != 0)
1422       FalseMBB->removeSuccessor(LandMBB, true);
1423     retireBlock(FalseMBB);
1424     MLI->removeBlock(FalseMBB);
1430   if (LandMBB && TrueMBB && FalseMBB)