Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r84288:4b58008df717
Date: 2016-05-08 18:13 +0200
http://bitbucket.org/pypy/pypy/changeset/4b58008df717/
Log: A failing test about division bounds
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
@@ -5529,6 +5529,27 @@
"""
self.optimize_loop(ops, expected)
+ def test_division_bound_bug(self):
+ ops = """
+ [i4]
+ i1 = int_ge(i4, -50)
+ guard_true(i1) []
+ i2 = int_le(i4, -40)
+ guard_true(i2) []
+ # here, -50 <= i4 <= -40
+
+ i5 = int_floordiv(i4, 30)
+ # here, we know that that i5 == -1 (C-style handling of negatives!)
+ escape_n(i5)
+ jump(i4)
+ """
+ expected = """
+ [i4, i5]
+ escape_n(-1)
+ jump(i4, i5)
+ """
+ self.optimize_loop(ops, expected)
+
def test_subsub_ovf(self):
ops = """
[i0]
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