Lines Matching defs:BTB

1224   BitTestBlock *BTB = &SL->BitTestCases[I->BTCasesIndex];
1226   for (BitTestCase &BTC : BTB->Cases)
1230   BTB->Parent = CurMBB;
1231   BTB->Default = Fallthrough;
1233   BTB->DefaultProb = UnhandledProbs;
1237   if (!BTB->ContiguousRange) {
1238     BTB->Prob += DefaultProb / 2;
1239     BTB->DefaultProb -= DefaultProb / 2;
1243     BTB->FallthroughUnreachable = true;
1247     emitBitTestHeader(*BTB, SwitchMBB);
1248     BTB->Emitted = true;
3729   for (auto &BTB : SL->BitTestCases) {
3731     if (!BTB.Emitted)
3732       emitBitTestHeader(BTB, BTB.Parent);
3734     BranchProbability UnhandledProb = BTB.Prob;
3735     for (unsigned j = 0, ej = BTB.Cases.size(); j != ej; ++j) {
3736       UnhandledProb -= BTB.Cases[j].ExtraProb;
3738       MachineBasicBlock *MBB = BTB.Cases[j].ThisBB;
3748       if ((BTB.ContiguousRange || BTB.FallthroughUnreachable) && j + 2 == ej) {
3751         NextMBB = BTB.Cases[j + 1].TargetBB;
3754         NextMBB = BTB.Default;
3757         NextMBB = BTB.Cases[j + 1].ThisBB;
3760       emitBitTestCase(BTB, NextMBB, UnhandledProb, BTB.Reg, BTB.Cases[j], MBB);
3762       if ((BTB.ContiguousRange || BTB.FallthroughUnreachable) && j + 2 == ej) {
3766         addMachineCFGPred({BTB.Parent->getBasicBlock(),
3767                            BTB.Cases[ej - 1].TargetBB->getBasicBlock()},
3770         BTB.Cases.pop_back();
3776     CFGEdge HeaderToDefaultEdge = {BTB.Parent->getBasicBlock(),
3777                                    BTB.Default->getBasicBlock()};
3778     addMachineCFGPred(HeaderToDefaultEdge, BTB.Parent);
3779     if (!BTB.ContiguousRange) {
3780       addMachineCFGPred(HeaderToDefaultEdge, BTB.Cases.back().ThisBB);