160 static bool iterateLoops(ArrayRef<SmallVector<AffineForOp, 2>> depthToLoops,  in iterateLoops()  argument
163   for (unsigned loopDepth = 0, end = depthToLoops.size(); loopDepth < end;  in iterateLoops()
165     auto &loops = depthToLoops[loopDepth];  in iterateLoops()
171               fn(loops[j], loops[k], j, k, loopDepth, depthToLoops.size());  in iterateLoops()
181   std::vector<SmallVector<AffineForOp, 2>> depthToLoops;  in runOnOperation()  local
185       depthToLoops.clear();  in runOnOperation()
187       gatherLoops(getOperation(), depthToLoops);  in runOnOperation()
190     } while (iterateLoops(depthToLoops, testLoopFusionTransformation,  in runOnOperation()
196   gatherLoops(getOperation(), depthToLoops);  in runOnOperation()
200     iterateLoops(depthToLoops, testDependenceCheck);  in runOnOperation()
202     iterateLoops(depthToLoops, testSliceComputation);  in runOnOperation()