[pypy-commit] pypy fold-arith-ops: add test for removing multiple adds

[Berkin Ilbeyi]

Author: Berkin Ilbeyi <berkin at csl.cornell.edu>
Branch: fold-arith-ops
Changeset: r77436:5682b1f61f56
Date: 2015-05-20 13:56 -0400
http://bitbucket.org/pypy/pypy/changeset/5682b1f61f56/

Log:	add test for removing multiple adds

diff --git a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
--- a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
+++ b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
@@ -3079,6 +3079,23 @@
         """
         self.optimize_loop(ops, expected, preamble)
 
+    def test_remove_multiple_add(self):
+        ops = """
+        [i0]
+        i1 = int_add(i0, 1)
+        i2 = int_add(i1, 2)
+        i3 = int_add(i2, 1)
+        jump(i3)
+        """
+        expected = """
+        [i0]
+        i1 = int_add(i0, 1)
+        i2 = int_add(i1, 2)
+        i3 = int_add(i0, 4)
+        jump(i3)
+        """
+        self.optimize_loop(ops, expected)
+
     def test_remove_duplicate_pure_op(self):
         ops = """
         [p1, p2]