public void perform() { if (trace) System.out.println("** LP " + scribble.getRoutineDecl().getName()); LoopHeaderChord lt = scribble.getLoopTree(); Vector<LoopHeaderChord> innerLoops = lt.getInnerLoops(); for (int li = 0; li < innerLoops.size(); li++) { LoopHeaderChord loop = innerLoops.elementAt(li); InductionVar ivar = loop.getPrimaryInductionVar(); if (trace) System.out.println(" lp " + loop.nestedLevel() + " " + loop); if ((ivar == null) || !loop.isPerfectlyNested()) { innerLoops.addVectors(loop.getInnerLoops()); continue; } if (loop.nestedLevel() < 2) // no need to check permutation for a simple nest continue; tryPermute(loop); } }