129   SmallVector<Block *, 8> failureBlockStack;  member
162   assert(failureBlockStack.empty() && "failed to empty the stack");  in lower()
193     failureBlockStack.push_back(failureBlock);  in generateMatcher()
195     assert(!failureBlockStack.empty() && "expected valid failure block");  in generateMatcher()
196     failureBlock = failureBlockStack.back();  in generateMatcher()
222   while (failureBlockStack.back() != failureBlock) {  in generateMatcher()
223     failureBlockStack.pop_back();  in generateMatcher()
224     assert(!failureBlockStack.empty() && "unable to locate failure block");  in generateMatcher()
229     failureBlockStack.pop_back();  in generateMatcher()
279     assert(!failureBlockStack.empty() && "expected valid failure block");  in getValueAt()
281         loc, parentVal, failureBlockStack.back(), /*initLoop=*/true);  in getValueAt()
287     failureBlockStack.push_back(continueBlock);  in getValueAt()
381   Block *failure = failureBlockStack.back();  in generate()
462   Block *defaultDest = failureBlockStack.back();  in generate()
494     failureBlockStack.push_back(defaultDest);  in generate()
514       failureBlockStack.back() = predicateBlock;  in generate()
516     Block *firstPredicateBlock = failureBlockStack.pop_back_val();  in generate()
589       failureBlockStack.back());  in generate()