From 7160874c791202b9609625d2992f37744523c1b4 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Tue, 11 Jul 2017 17:28:08 -0500
Subject: [PATCH] Inject knowledge of target device into kernel during
 auto_test

---
 loopy/auto_test.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/loopy/auto_test.py b/loopy/auto_test.py
index 6a4d55975..56ed87176 100644
--- a/loopy/auto_test.py
+++ b/loopy/auto_test.py
@@ -518,9 +518,13 @@ def auto_test_vs_ref(
 
     args = None
     from loopy.kernel import kernel_state
+    from loopy.target.pyopencl import PyOpenCLTarget
     if test_knl.state not in [
             kernel_state.PREPROCESSED,
             kernel_state.SCHEDULED]:
+        if isinstance(test_knl.target, PyOpenCLTarget):
+            test_knl = test_knl.copy(target=PyOpenCLTarget(ctx.devices[0]))
+
         test_knl = lp.preprocess_kernel(test_knl)
 
     if not test_knl.schedule:
-- 
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