[pypy-svn] r77222 - pypy/trunk/pypy/jit/metainterp/test

[arigo at codespeak.net]

Author: arigo
Date: Tue Sep 21 13:23:54 2010
New Revision: 77222

Modified:
   pypy/trunk/pypy/jit/metainterp/test/test_optimizeopt.py
Log:
Add passing tests.


Modified: pypy/trunk/pypy/jit/metainterp/test/test_optimizeopt.py
==============================================================================
--- pypy/trunk/pypy/jit/metainterp/test/test_optimizeopt.py	(original)
+++ pypy/trunk/pypy/jit/metainterp/test/test_optimizeopt.py	Tue Sep 21 13:23:54 2010
@@ -2206,6 +2206,43 @@
         """
         self.optimize_loop(ops, 'Not', expected)
 
+    def test_fold_partially_constant_ops_ovf(self):
+        ops = """
+        [i0]
+        i1 = int_sub_ovf(i0, 0)
+        guard_no_overflow() []
+        jump(i1)
+        """
+        expected = """
+        [i0]
+        jump(i0)
+        """
+        self.optimize_loop(ops, 'Not', expected)
+
+        ops = """
+        [i0]
+        i1 = int_add_ovf(i0, 0)
+        guard_no_overflow() []
+        jump(i1)
+        """
+        expected = """
+        [i0]
+        jump(i0)
+        """
+        self.optimize_loop(ops, 'Not', expected)
+
+        ops = """
+        [i0]
+        i1 = int_add_ovf(0, i0)
+        guard_no_overflow() []
+        jump(i1)
+        """
+        expected = """
+        [i0]
+        jump(i0)
+        """
+        self.optimize_loop(ops, 'Not', expected)
+
     # ----------
 
     def make_fail_descr(self):