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 (BasicBlock *Pred : Preds) {  in FlattenParallelAndOr()
155     BasicBlock *PP = Pred->getSinglePredecessor();  in FlattenParallelAndOr()
188       for (BasicBlock::iterator BI = Pred->begin(), BE = PBI->getIterator();  in FlattenParallelAndOr()
204     BasicBlock *PS1 = PBI->getSuccessor(0);  in FlattenParallelAndOr()
205     BasicBlock *PS2 = PBI->getSuccessor(1);  in FlattenParallelAndOr()
206     BasicBlock *PS = (PS1 == BB) ? PS2 : PS1;  in FlattenParallelAndOr()
233   BasicBlock *PS1 = TBB->getSuccessor(0);  in FlattenParallelAndOr()
234   BasicBlock *PS2 = TBB->getSuccessor(1);  in FlattenParallelAndOr()
248     BasicBlock *CurrBlock = LastCondBlock;  in FlattenParallelAndOr()
278   BasicBlock *CB;  in FlattenParallelAndOr()
320 bool FlattenCFGOpt::CompareIfRegionBlock(BasicBlock *Block1, BasicBlock *Block2,  in CompareIfRegionBlock()
321                                          BasicBlock *Head2) {  in CompareIfRegionBlock()
327   BasicBlock::iterator iter1 = Block1->begin();  in CompareIfRegionBlock()
328   BasicBlock::iterator end1 = Block1->getTerminator()->getIterator();  in CompareIfRegionBlock()
329   BasicBlock::iterator iter2 = Block2->begin();  in CompareIfRegionBlock()
330   BasicBlock::iterator end2 = Block2->getTerminator()->getIterator();  in CompareIfRegionBlock()
357       for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in CompareIfRegionBlock()
409 bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder) {  in MergeIfRegion()
414   BasicBlock *IfTrue2, *IfFalse2;  in MergeIfRegion()
422   BasicBlock *SecondEntryBlock = CInst2->getParent();  in MergeIfRegion()
426   BasicBlock *IfTrue1, *IfFalse1;  in MergeIfRegion()
434   BasicBlock *FirstEntryBlock = CInst1->getParent();  in MergeIfRegion()
478   for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in MergeIfRegion()
490   BasicBlock *SaveInsertBB = Builder.GetInsertBlock();  in MergeIfRegion()
491   BasicBlock::iterator SaveInsertPt = Builder.GetInsertPoint();  in MergeIfRegion()
519 bool FlattenCFGOpt::run(BasicBlock *BB) {  in run()
533 bool llvm::FlattenCFG(BasicBlock *BB, AAResults *AA) {  in FlattenCFG()