8085832: Optimize main and post loop out when pre loop is found empty Summary: Eliminate main loop and post loop if pre loop becomes empty Reviewed-by: kvn, mcberg

8081823: C2 performs unsigned comparison against -1 Summary: x <= 0 || x > 0 wrongly folded as (x-1) >u -1 Reviewed-by: kvn, vlivanov

8078866: compiler/eliminateAutobox/6934604/TestIntBoxing.java assert(p_f->Opcode() == Op_IfFalse) failed Summary: Bail out from range check elimination if pre loop is not found Reviewed-by: kvn