35 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,
52 static CmpInst *getOuterLoopLatchCmp(const Loop &OuterLoop) {  in getOuterLoopLatchCmp()  argument
54   const BasicBlock *Latch = OuterLoop.getLoopLatch();  in getOuterLoopLatchCmp()
103 bool LoopNest::arePerfectlyNested(const Loop &OuterLoop, const Loop &InnerLoop,  in arePerfectlyNested()  argument
105   return (analyzeLoopNestForPerfectNest(OuterLoop, InnerLoop, SE) ==  in arePerfectlyNested()
110     const Loop &OuterLoop, const Loop &InnerLoop, ScalarEvolution &SE) {  in analyzeLoopNestForPerfectNest()  argument
112   assert(!OuterLoop.isInnermost() && "Outer loop should have subloops");  in analyzeLoopNestForPerfectNest()
114   LLVM_DEBUG(dbgs() << "Checking whether loop '" << OuterLoop.getName()  in analyzeLoopNestForPerfectNest()
124   if (!checkLoopsStructure(OuterLoop, InnerLoop, SE)) {  in analyzeLoopNestForPerfectNest()
130   auto OuterLoopLB = OuterLoop.getBounds(SE);  in analyzeLoopNestForPerfectNest()
133                       << OuterLoop << "\n";);  in analyzeLoopNestForPerfectNest()
137   CmpInst *OuterLoopLatchCmp = getOuterLoopLatchCmp(OuterLoop);  in analyzeLoopNestForPerfectNest()
161   const BasicBlock *OuterLoopHeader = OuterLoop.getHeader();  in analyzeLoopNestForPerfectNest()
162   const BasicBlock *OuterLoopLatch = OuterLoop.getLoopLatch();  in analyzeLoopNestForPerfectNest()
175   LLVM_DEBUG(dbgs() << "Loop '" << OuterLoop.getName() << "' and '"  in analyzeLoopNestForPerfectNest()
182     const Loop &OuterLoop, const Loop &InnerLoop, ScalarEvolution &SE) {  in getInterveningInstructions()  argument
184   switch (analyzeLoopNestForPerfectNest(OuterLoop, InnerLoop, SE)) {  in getInterveningInstructions()
197                       << OuterLoop << "\nInstruction vector is empty.\n";);  in getInterveningInstructions()
205   auto OuterLoopLB = OuterLoop.getBounds(SE);  in getInterveningInstructions()
207   CmpInst *OuterLoopLatchCmp = getOuterLoopLatchCmp(OuterLoop);  in getInterveningInstructions()
225   const BasicBlock *OuterLoopHeader = OuterLoop.getHeader();  in getInterveningInstructions()
226   const BasicBlock *OuterLoopLatch = OuterLoop.getLoopLatch();  in getInterveningInstructions()
315 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,  in checkLoopsStructure()  argument
318   if ((OuterLoop.getSubLoops().size() != 1) ||  in checkLoopsStructure()
319       (InnerLoop.getParentLoop() != &OuterLoop))  in checkLoopsStructure()
323   if (!OuterLoop.isLoopSimplifyForm() || !InnerLoop.isLoopSimplifyForm())  in checkLoopsStructure()
326   const BasicBlock *OuterLoopHeader = OuterLoop.getHeader();  in checkLoopsStructure()
327   const BasicBlock *OuterLoopLatch = OuterLoop.getLoopLatch();  in checkLoopsStructure()
333   if (OuterLoop.getExitingBlock() != OuterLoopLatch ||  in checkLoopsStructure()