36 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,
53 bool LoopNest::arePerfectlyNested(const Loop &OuterLoop, const Loop &InnerLoop,  in arePerfectlyNested()  argument
55   assert(!OuterLoop.isInnermost() && "Outer loop should have subloops");  in arePerfectlyNested()
57   LLVM_DEBUG(dbgs() << "Checking whether loop '" << OuterLoop.getName()  in arePerfectlyNested()
67   if (!checkLoopsStructure(OuterLoop, InnerLoop, SE)) {  in arePerfectlyNested()
73   auto OuterLoopLB = OuterLoop.getBounds(SE);  in arePerfectlyNested()
76                       << OuterLoop << "\n";);  in arePerfectlyNested()
81   const BasicBlock *Latch = OuterLoop.getLoopLatch();  in arePerfectlyNested()
140   const BasicBlock *OuterLoopHeader = OuterLoop.getHeader();  in arePerfectlyNested()
141   const BasicBlock *OuterLoopLatch = OuterLoop.getLoopLatch();  in arePerfectlyNested()
154   LLVM_DEBUG(dbgs() << "Loop '" << OuterLoop.getName() << "' and '"  in arePerfectlyNested()
235 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,  in checkLoopsStructure()  argument
238   if ((OuterLoop.getSubLoops().size() != 1) ||  in checkLoopsStructure()
239       (InnerLoop.getParentLoop() != &OuterLoop))  in checkLoopsStructure()
243   if (!OuterLoop.isLoopSimplifyForm() || !InnerLoop.isLoopSimplifyForm())  in checkLoopsStructure()
246   const BasicBlock *OuterLoopHeader = OuterLoop.getHeader();  in checkLoopsStructure()
247   const BasicBlock *OuterLoopLatch = OuterLoop.getLoopLatch();  in checkLoopsStructure()
253   if (OuterLoop.getExitingBlock() != OuterLoopLatch ||  in checkLoopsStructure()