On 01/19/2016 12:33 AM, Jakub Jelinek wrote:
+ if (MAY_HAVE_DEBUG_INSNS)
+ {
+ for (dinsn = BB_END (bb); dinsn != insn; dinsn = PREV_INSN (dinsn))
+ if (DEBUG_INSN_P (dinsn))
+ {
+ df_ref use;
+ FOR_EACH_INSN_USE (use, dinsn)
+ if (refers_to_regno_p (dregno, end_dregno,
+ DF_REF_REG (use), (rtx *) NULL))
+ dead_debug_add (debug, use, DF_REF_REGNO (use));
+ }
+ }
+
/* At this point we are committed to moving INSN, but let's try to
move it as far as we can. */
do
@@ -363,6 +380,18 @@ move_insn_for_shrink_wrap (basic_block b
if (!live_edge || EDGE_COUNT (live_edge->dest->preds) > 1)
break;
next_block = live_edge->dest;
+ if (MAY_HAVE_DEBUG_INSNS)
+ {
+ FOR_BB_INSNS_REVERSE (bb, dinsn)
+ if (DEBUG_INSN_P (dinsn))
+ {
+ df_ref use;
+ FOR_EACH_INSN_USE (use, dinsn)
+ if (refers_to_regno_p (dregno, end_dregno,
+ DF_REF_REG (use), (rtx *) NULL))
+ dead_debug_add (debug, use, DF_REF_REGNO (use));
+ }
+ }
}
}
Is there a way to merge these two blocks (e.g. by moving this to the
start of the loop and testing for insn or BB_HEAD)?
Bernd
