regcprop.h: New file.
2014-05-15 Zhenqiang Chen <zhenqiang.chen@linaro.org>
* regcprop.h: New file.
* regcprop.c (skip_debug_insn_p): New decl.
(replace_oldest_value_reg): Check skip_debug_insn_p.
(copyprop_hardreg_forward_bb_without_debug_insn.): New function.
* shrink-wrap.c: include regcprop.h
(prepare_shrink_wrap):
Call copyprop_hardreg_forward_bb_without_debug_insn.
testsuite/ChangeLog:
2014-05-15 Zhenqiang Chen <zhenqiang.chen@linaro.org>
* shrink-wrap-loop.c: New test case.
From-SVN: r210458