40   bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder);
45   bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder);
52   bool CompareIfRegionBlock(BasicBlock *Block1, BasicBlock *Block2,
53                             BasicBlock *Head2);
58   bool run(BasicBlock *BB);
136 bool FlattenCFGOpt::FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder) {  in FlattenParallelAndOr()
141   BasicBlock *LastCondBlock = nullptr;  in FlattenParallelAndOr()
142   BasicBlock *FirstCondBlock = nullptr;  in FlattenParallelAndOr()
143   BasicBlock *UnCondBlock = nullptr;  in FlattenParallelAndOr()
147   SmallPtrSet<BasicBlock *, 16> Preds(pred_begin(BB), pred_end(BB));  in FlattenParallelAndOr()
148   for (SmallPtrSetIterator<BasicBlock *> PI = Preds.begin(), PE = Preds.end();  in FlattenParallelAndOr()
150     BasicBlock *Pred = *PI;  in FlattenParallelAndOr()
157     BasicBlock *PP = Pred->getSinglePredecessor();  in FlattenParallelAndOr()
190       for (BasicBlock::iterator BI = Pred->begin(), BE = PBI->getIterator();  in FlattenParallelAndOr()
206     BasicBlock *PS1 = PBI->getSuccessor(0);  in FlattenParallelAndOr()
207     BasicBlock *PS2 = PBI->getSuccessor(1);  in FlattenParallelAndOr()
208     BasicBlock *PS = (PS1 == BB) ? PS2 : PS1;  in FlattenParallelAndOr()
235   BasicBlock *PS1 = TBB->getSuccessor(0);  in FlattenParallelAndOr()
236   BasicBlock *PS2 = TBB->getSuccessor(1);  in FlattenParallelAndOr()
250     BasicBlock *CurrBlock = LastCondBlock;  in FlattenParallelAndOr()
280   BasicBlock *CB;  in FlattenParallelAndOr()
323 bool FlattenCFGOpt::CompareIfRegionBlock(BasicBlock *Block1, BasicBlock *Block2,  in CompareIfRegionBlock()
324                                          BasicBlock *Head2) {  in CompareIfRegionBlock()
330   BasicBlock::iterator iter1 = Block1->begin();  in CompareIfRegionBlock()
331   BasicBlock::iterator end1 = Block1->getTerminator()->getIterator();  in CompareIfRegionBlock()
332   BasicBlock::iterator iter2 = Block2->begin();  in CompareIfRegionBlock()
333   BasicBlock::iterator end2 = Block2->getTerminator()->getIterator();  in CompareIfRegionBlock()
360       for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in CompareIfRegionBlock()
412 bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder) {  in MergeIfRegion()
413   BasicBlock *IfTrue2, *IfFalse2;  in MergeIfRegion()
421   BasicBlock *SecondEntryBlock = CInst2->getParent();  in MergeIfRegion()
425   BasicBlock *IfTrue1, *IfFalse1;  in MergeIfRegion()
433   BasicBlock *FirstEntryBlock = CInst1->getParent();  in MergeIfRegion()
474   for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in MergeIfRegion()
487   BasicBlock *SaveInsertBB = Builder.GetInsertBlock();  in MergeIfRegion()
488   BasicBlock::iterator SaveInsertPt = Builder.GetInsertPoint();  in MergeIfRegion()
505   for (BasicBlock *Succ : successors(PBI)) {  in MergeIfRegion()
533 bool FlattenCFGOpt::run(BasicBlock *BB) {  in run()
547 bool llvm::FlattenCFG(BasicBlock *BB, AAResults *AA) {  in FlattenCFG()