loop.c (count_loop_regs_set): Delete.
* loop.c (count_loop_regs_set): Delete. (load_mems_and_recount_loop_regs_set): Delete. (loop_regs_scan): Merge common code from count_loop_regs_set, scan_loop, and load_mems_and_recount_loop_regs_set. (scan_loop): Call load_mems directly and loop_regs_scan again if new registers created. From-SVN: r38758
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