[PATCH v2 08/10] use has_users() in dead_insn() too

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The same functionality was open-coded here.
Change this by calling the new helper: has_users().

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
 simplify.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/simplify.c b/simplify.c
index 971f8ca91..5a90b9c6a 100644
--- a/simplify.c
+++ b/simplify.c
@@ -308,11 +308,8 @@ void kill_insn(struct instruction *insn, int force)
  */
 static int dead_insn(struct instruction *insn, pseudo_t *src1, pseudo_t *src2, pseudo_t *src3)
 {
-	struct pseudo_user *pu;
-	FOR_EACH_PTR(insn->target->users, pu) {
-		if (*pu->userp != VOID)
-			return 0;
-	} END_FOR_EACH_PTR(pu);
+	if (has_users(insn->target))
+		return 0;
 
 	insn->bb = NULL;
 	kill_use(src1);
-- 
2.16.0

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