Transforms/Utils/FlattenCFG.cpp

35   /// \brief Compare a pair of blocks: \p Block1 and \p Block2, which
37   /// Head2.  \returns true if \p Block1 and \p Block2 contain identical
41                             BasicBlock *Block1, BasicBlock *Block2);
306 /// Block1 is a block in the 1st if-region to compare. \param Block2 is a block
308 /// Block2 have identical instructions and do not have memory reference alias
313                                          BasicBlock *Block2) {
318   bool eq2 = (Block2 == Head2);
324   // Check whether instructions in Block1 and Block2 are identical
328   BasicBlock::iterator iter2 = Block2->begin();
329   BasicBlock::iterator end2 = Block2->getTerminator();