valtrack.c: Use rtx_insn

gcc/
2014-08-23  David Malcolm  <dmalcolm@redhat.com>

	* valtrack.c (dead_debug_reset_uses): Strengthen local "insn" from
	rtx to rtx_insn *.
	(dead_debug_promote_uses): Likewise.
	(dead_debug_insert_temp): Likewise.

From-SVN: r214390

gcc/ChangeLog

 2014-08-23  David Malcolm  <dmalcolm@redhat.com>
 
+	* valtrack.c (dead_debug_reset_uses): Strengthen local "insn" from
+	rtx to rtx_insn *.
+	(dead_debug_promote_uses): Likewise.
+	(dead_debug_insert_temp): Likewise.
+
+2014-08-23  David Malcolm  <dmalcolm@redhat.com>
+
 	* store-motion.c (store_killed_in_insn): Strengthen param "insn"
 	from const_rtx to const rtx_insn *.
 	(store_killed_after): Likewise.  Strengthen locals "last", "act"

gcc/valtrack.c

@@ -343,7 +343,7 @@ dead_debug_reset_uses (struct dead_debug_local *debug,
   while (head)
     {
       struct dead_debug_use *next = head->next;
-      rtx insn;
+      rtx_insn *insn;
 
       insn = DF_REF_INSN (head->use);
       if (!next || DF_REF_INSN (next->use) != insn)
@@ -431,7 +431,7 @@ dead_debug_promote_uses (struct dead_debug_local *debug)
 						 REGNO (reg),
 						 &debug->to_rescan))
 	      {
-		rtx insn = DF_REF_INSN (ref);
+		rtx_insn *insn = DF_REF_INSN (ref);
 		INSN_VAR_LOCATION_LOC (insn) = gen_rtx_UNKNOWN_VAR_LOC ();
 		bitmap_set_bit (debug->to_rescan, INSN_UID (insn));
 	      }
@@ -447,7 +447,7 @@ dead_debug_promote_uses (struct dead_debug_local *debug)
 					 DEBUG_EXPR_TREE_DECL (entry->dtemp),
 					 gen_rtx_UNKNOWN_VAR_LOC (),
 					 VAR_INIT_STATUS_INITIALIZED);
-	    rtx insn = emit_debug_insn_before (bind, DF_REF_INSN (ref));
+	    rtx_insn *insn = emit_debug_insn_before (bind, DF_REF_INSN (ref));
 	    bitmap_set_bit (debug->to_rescan, INSN_UID (insn));
 	  }
 
@@ -697,7 +697,7 @@ dead_debug_insert_temp (struct dead_debug_local *debug, unsigned int uregno,
      probably doesn't make sense to introduce a new debug temp.  */
   if (where == DEBUG_TEMP_AFTER_WITH_REG && !uses->next)
     {
-      rtx next = DF_REF_INSN (uses->use);
+      rtx_insn *next = DF_REF_INSN (uses->use);
 
       if (DEBUG_INSN_P (next) && reg == INSN_VAR_LOCATION_LOC (next))
 	{