35 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,
70 static CmpInst *getInnerLoopGuardCmp(const Loop &InnerLoop) {  in getInnerLoopGuardCmp()  argument
72   BranchInst *InnerGuard = InnerLoop.getLoopGuardBranch();  in getInnerLoopGuardCmp()
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
113   assert(!InnerLoop.isOutermost() && "Inner loop should have a parent");  in analyzeLoopNestForPerfectNest()
115                     << "' and '" << InnerLoop.getName()  in analyzeLoopNestForPerfectNest()
124   if (!checkLoopsStructure(OuterLoop, InnerLoop, SE)) {  in analyzeLoopNestForPerfectNest()
138   CmpInst *InnerLoopGuardCmp = getInnerLoopGuardCmp(InnerLoop);  in analyzeLoopNestForPerfectNest()
163   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();  in analyzeLoopNestForPerfectNest()
169       !containsOnlySafeInstructions(*InnerLoop.getExitBlock())) {  in analyzeLoopNestForPerfectNest()
176                     << InnerLoop.getName() << "' are perfectly nested.\n");  in analyzeLoopNestForPerfectNest()
182     const Loop &OuterLoop, const Loop &InnerLoop, ScalarEvolution &SE) {  in getInterveningInstructions()  argument
184   switch (analyzeLoopNestForPerfectNest(OuterLoop, InnerLoop, SE)) {  in getInterveningInstructions()
208   CmpInst *InnerLoopGuardCmp = getInnerLoopGuardCmp(InnerLoop);  in getInterveningInstructions()
227   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();  in getInterveningInstructions()
228   const BasicBlock *InnerLoopExitBlock = InnerLoop.getExitBlock();  in getInterveningInstructions()
270     const Loop *InnerLoop = SubLoops->front();  in getMaxPerfectDepth()  local
271     if (!arePerfectlyNested(*CurrentLoop, *InnerLoop, SE)) {  in getMaxPerfectDepth()
275                << InnerLoop->getName() << "'\n";  in getMaxPerfectDepth()
280     CurrentLoop = InnerLoop;  in getMaxPerfectDepth()
315 static bool checkLoopsStructure(const Loop &OuterLoop, const Loop &InnerLoop,  in checkLoopsStructure()  argument
319       (InnerLoop.getParentLoop() != &OuterLoop))  in checkLoopsStructure()
323   if (!OuterLoop.isLoopSimplifyForm() || !InnerLoop.isLoopSimplifyForm())  in checkLoopsStructure()
328   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();  in checkLoopsStructure()
329   const BasicBlock *InnerLoopLatch = InnerLoop.getLoopLatch();  in checkLoopsStructure()
330   const BasicBlock *InnerLoopExit = InnerLoop.getExitBlock();  in checkLoopsStructure()
334       InnerLoop.getExitingBlock() != InnerLoopLatch || !InnerLoopExit)  in checkLoopsStructure()
369       if (!BI || BI != InnerLoop.getLoopGuardBranch())  in checkLoopsStructure()
421        &LoopNest::skipEmptyBlockUntil(InnerLoop.getExitBlock(),  in checkLoopsStructure()
423       (&LoopNest::skipEmptyBlockUntil(InnerLoop.getExitBlock(),  in checkLoopsStructure()