41   bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder);
46   bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder);
53   bool CompareIfRegionBlock(BasicBlock *Head1, BasicBlock *Head2,
54                             BasicBlock *Block1, BasicBlock *Block2);
59   bool run(BasicBlock *BB);
137 bool FlattenCFGOpt::FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder) {  in FlattenParallelAndOr()
142   BasicBlock *LastCondBlock = nullptr;  in FlattenParallelAndOr()
143   BasicBlock *FirstCondBlock = nullptr;  in FlattenParallelAndOr()
144   BasicBlock *UnCondBlock = nullptr;  in FlattenParallelAndOr()
148   SmallPtrSet<BasicBlock *, 16> Preds(pred_begin(BB), pred_end(BB));  in FlattenParallelAndOr()
149   for (SmallPtrSetIterator<BasicBlock *> PI = Preds.begin(), PE = Preds.end();  in FlattenParallelAndOr()
151     BasicBlock *Pred = *PI;  in FlattenParallelAndOr()
158     BasicBlock *PP = Pred->getSinglePredecessor();  in FlattenParallelAndOr()
191       for (BasicBlock::iterator BI = Pred->begin(), BE = PBI->getIterator();  in FlattenParallelAndOr()
207     BasicBlock *PS1 = PBI->getSuccessor(0);  in FlattenParallelAndOr()
208     BasicBlock *PS2 = PBI->getSuccessor(1);  in FlattenParallelAndOr()
209     BasicBlock *PS = (PS1 == BB) ? PS2 : PS1;  in FlattenParallelAndOr()
236   BasicBlock *PS1 = TBB->getSuccessor(0);  in FlattenParallelAndOr()
237   BasicBlock *PS2 = TBB->getSuccessor(1);  in FlattenParallelAndOr()
251     BasicBlock *CurrBlock = LastCondBlock;  in FlattenParallelAndOr()
281   BasicBlock *CB;  in FlattenParallelAndOr()
325 bool FlattenCFGOpt::CompareIfRegionBlock(BasicBlock *Head1, BasicBlock *Head2,  in CompareIfRegionBlock()
326                                          BasicBlock *Block1,  in CompareIfRegionBlock()
327                                          BasicBlock *Block2) {  in CompareIfRegionBlock()
340   BasicBlock::iterator iter1 = Block1->begin();  in CompareIfRegionBlock()
341   BasicBlock::iterator end1 = Block1->getTerminator()->getIterator();  in CompareIfRegionBlock()
342   BasicBlock::iterator iter2 = Block2->begin();  in CompareIfRegionBlock()
343   BasicBlock::iterator end2 = Block2->getTerminator()->getIterator();  in CompareIfRegionBlock()
370       for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in CompareIfRegionBlock()
399 bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder) {  in MergeIfRegion()
400   BasicBlock *IfTrue2, *IfFalse2;  in MergeIfRegion()
406   BasicBlock *SecondEntryBlock = CInst2->getParent();  in MergeIfRegion()
410   BasicBlock *IfTrue1, *IfFalse1;  in MergeIfRegion()
416   BasicBlock *FirstEntryBlock = CInst1->getParent();  in MergeIfRegion()
437   for (BasicBlock::iterator BI(PBI2), BE(PTI2); BI != BE; ++BI) {  in MergeIfRegion()
450   BasicBlock *SaveInsertBB = Builder.GetInsertBlock();  in MergeIfRegion()
451   BasicBlock::iterator SaveInsertPt = Builder.GetInsertPoint();  in MergeIfRegion()
476 bool FlattenCFGOpt::run(BasicBlock *BB) {  in run()
490 bool llvm::FlattenCFG(BasicBlock *BB, AliasAnalysis *AA) {  in FlattenCFG()