#include "coretypes.h"
#include "tm.h"
#include "diagnostic-core.h"
-#include "toplev.h"
#include "rtl.h"
#include "hard-reg-set.h"
FOR_BB_INSNS (bb, insn)
{
unsigned int uid = INSN_UID (insn);
- if (NONDEBUG_INSN_P (insn))
+
+ if (NONDEBUG_INSN_P (insn)
+ /* Ignore naked clobber. For example, reg 134 in the second insn
+ of the following sequence will not be replaced.
+
+ (insn (clobber (reg:SI 134)))
+
+ (insn (set (reg:SI 0 r0) (reg:SI 134)))
+
+ Thus the later passes can optimize them away. */
+ && GET_CODE (PATTERN (insn)) != CLOBBER)
{
df_ref *use_rec;
df_ref *def_rec;
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_df_finish | TODO_verify_rtl_sharing |
- TODO_dump_func /* todo_flags_finish */
+ TODO_df_finish | TODO_verify_rtl_sharing /* todo_flags_finish */
}
};
-