From 24dcd829b1a4ef7b8c71cac0001ae0cd8cd8f289 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Tue, 5 Jan 2016 10:01:22 -0600
Subject: [PATCH] Add codegen test

---
 test/test_isl.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/test/test_isl.py b/test/test_isl.py
index c4f52d9..145172e 100644
--- a/test/test_isl.py
+++ b/test/test_isl.py
@@ -234,6 +234,25 @@ def test_get_schedule_map():
     sub_schedule.get_map()
 
 
+def test_codegen():
+    # courtesy of Marek PaƂkowski
+
+    def isl_ast_codegen(S):
+        b = isl.AstBuild.from_context(isl.Set("{:}"))
+        m = isl.Map.from_domain_and_range(S, S)
+        m = isl.Map.identity(m.get_space())
+        m = isl.Map.from_domain(S)
+        ast = b.ast_from_schedule(m)
+        p = isl.Printer.to_str(isl.DEFAULT_CONTEXT)
+        p = p.set_output_format(isl.format.C)
+        p.flush()
+        p = p.print_ast_node(ast)
+        return p.get_str()
+
+    s = isl.Set("[n,m] -> { [i,j] : 0 <= i <= n and i <= j <= m }")
+    print(isl_ast_codegen(s))
+
+
 if __name__ == "__main__":
     import sys
     if len(sys.argv) > 1:
-- 
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