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authorzqchen <zqchen@138bc75d-0d04-0410-961f-82ee72b054a4>2014-05-15 06:54:48 +0000
committerzqchen <zqchen@138bc75d-0d04-0410-961f-82ee72b054a4>2014-05-15 06:54:48 +0000
commit59483f68e3dc09f4ce9ac070be4b7c57fc1e5e18 (patch)
tree7b099524607ef851d55ab807f10d94713196c9d1 /gcc/regcprop.h
parent808bdd173056b18aa4d8a0ffd5071dbf1ad5892c (diff)
downloadgcc-59483f68e3dc09f4ce9ac070be4b7c57fc1e5e18.tar.gz
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210458 138bc75d-0d04-0410-961f-82ee72b054a4
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diff --git a/gcc/regcprop.h b/gcc/regcprop.h
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+/* Copy propagation on hard registers.
+ Copyright (C) 1989-2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_REGCPROP_H
+#define GCC_REGCPROP_H
+
+#include "basic-block.h"
+
+extern void copyprop_hardreg_forward_bb_without_debug_insn (basic_block bb);
+
+#endif /* GCC_REGCPROP_H */