From 990e0b7dd9668e7df01038fae592b61a8195567e Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Sun, 31 Mar 2019 02:16:17 +0100
Subject: [PATCH] compiler: Fix comparison of tuples of lists

---
 artiq/compiler/transforms/artiq_ir_generator.py | 2 +-
 artiq/test/lit/integration/tuple.py             | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/artiq/compiler/transforms/artiq_ir_generator.py b/artiq/compiler/transforms/artiq_ir_generator.py
index 332cb2a4a..1d45d690c 100644
--- a/artiq/compiler/transforms/artiq_ir_generator.py
+++ b/artiq/compiler/transforms/artiq_ir_generator.py
@@ -1426,7 +1426,7 @@ class ARTIQIRGenerator(algorithm.Visitor):
             for index in range(len(lhs.type.elts)):
                 lhs_elt = self.append(ir.GetAttr(lhs, index))
                 rhs_elt = self.append(ir.GetAttr(rhs, index))
-                elt_result = self.append(ir.Compare(op, lhs_elt, rhs_elt))
+                elt_result = self.polymorphic_compare_pair(op, lhs_elt, rhs_elt)
                 if result is None:
                     result = elt_result
                 else:
diff --git a/artiq/test/lit/integration/tuple.py b/artiq/test/lit/integration/tuple.py
index 5d6c153dd..44564c151 100644
--- a/artiq/test/lit/integration/tuple.py
+++ b/artiq/test/lit/integration/tuple.py
@@ -5,3 +5,9 @@ x, y = 2, 1
 x, y = y, x
 assert x == 1 and y == 2
 assert (1, 2) + (3.0,) == (1, 2, 3.0)
+
+assert (0,) == (0,)
+assert (0,) != (1,)
+
+assert ([0],) == ([0],)
+assert ([0],) != ([1],)