67   bool isTopOfStack(BasicBlock *BB);
71   void push(BasicBlock *BB, Value *Saved);
75   bool hasKill(const BasicBlock *BB);
89   bool closeControlFlow(BasicBlock *BB);
155 bool SIAnnotateControlFlow::isTopOfStack(BasicBlock *BB) {  in isTopOfStack()  argument
156   return !Stack.empty() && Stack.back().first == BB;  in isTopOfStack()
165 void SIAnnotateControlFlow::push(BasicBlock *BB, Value *Saved) {  in push()  argument
166   Stack.push_back(std::pair(BB, Saved));  in push()
188 bool SIAnnotateControlFlow::hasKill(const BasicBlock *BB) {  in hasKill()  argument
189   for (const Instruction &I : *BB) {  in hasKill()
275   BasicBlock *BB = Term->getParent();  in handleLoop()  local
276   llvm::Loop *L = LI->getLoopFor(BB);  in handleLoop()
290     if (Pred == BB) // Remember the value of the previous iteration.  in handleLoop()
295     else if (L->contains(Pred) && DT->dominates(Pred, BB))  in handleLoop()
309 bool SIAnnotateControlFlow::closeControlFlow(BasicBlock *BB) {  in closeControlFlow()  argument
310   llvm::Loop *L = LI->getLoopFor(BB);  in closeControlFlow()
312   assert(Stack.back().first == BB);  in closeControlFlow()
314   if (L && L->getHeader() == BB) {  in closeControlFlow()
322     for (BasicBlock *Pred : predecessors(BB)) {  in closeControlFlow()
327     BB = SplitBlockPredecessors(BB, Preds, "endcf.split", DT, LI, nullptr,  in closeControlFlow()
332   BasicBlock::iterator FirstInsertionPt = BB->getFirstInsertionPt();  in closeControlFlow()
336     if (!DT->dominates(DefBB, BB)) {  in closeControlFlow()
338       FirstInsertionPt = SplitEdge(DefBB, BB, DT, LI)->getFirstInsertionPt();  in closeControlFlow()
360     BasicBlock *BB = *I;  in runOnFunction()  local
361     BranchInst *Term = dyn_cast<BranchInst>(BB->getTerminator());  in runOnFunction()
364       if (isTopOfStack(BB))  in runOnFunction()
365         Changed |= closeControlFlow(BB);  in runOnFunction()
371       if (isTopOfStack(BB))  in runOnFunction()
372         Changed |= closeControlFlow(BB);  in runOnFunction()
374       if (DT->dominates(Term->getSuccessor(1), BB))  in runOnFunction()
379     if (isTopOfStack(BB)) {  in runOnFunction()
381       if (Phi && Phi->getParent() == BB && isElse(Phi) && !hasKill(BB)) {  in runOnFunction()
387       Changed |= closeControlFlow(BB);  in runOnFunction()