From e374b76f40b177c56b6bb87aa9686f5cf9317df6 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Wed, 5 Oct 2016 15:12:37 -0500
Subject: [PATCH] Improve printing of instructions with id=None

---
 loopy/kernel/data.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/loopy/kernel/data.py b/loopy/kernel/data.py
index 5af3f0272..cfbff7a30 100644
--- a/loopy/kernel/data.py
+++ b/loopy/kernel/data.py
@@ -1256,8 +1256,10 @@ class Assignment(MultiAssignmentBase):
     # }}}
 
     def __str__(self):
-        result = "%s: %s <- %s" % (self.id,
-                self.assignee, self.expression)
+        result = "%s <- %s" % (self.assignee, self.expression)
+
+        if self.id is not None:
+            result = "%s: " % self.id + result
 
         options = self.get_str_options()
         if options:
-- 
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