Author: Armin Rigo <[email protected]>
Branch:
Changeset: r95434:708fbffab6a0
Date: 2018-12-07 10:46 +0200
http://bitbucket.org/pypy/pypy/changeset/708fbffab6a0/
Log: A failing test for issue #2926
diff --git a/rpython/jit/metainterp/test/test_ajit.py
b/rpython/jit/metainterp/test/test_ajit.py
--- a/rpython/jit/metainterp/test/test_ajit.py
+++ b/rpython/jit/metainterp/test/test_ajit.py
@@ -4758,3 +4758,56 @@
res = self.meta_interp(f, [2, 200])
assert res == f(2, 200)
+
+ def test_issue2926(self):
+ driver = JitDriver(greens = [], reds=['i', 'total', 'p'])
+
+ class Base(object):
+ def do_stuff(self):
+ return 1000
+ class Int(Base):
+ def __init__(self, intval):
+ self.intval = intval
+ def do_stuff(self):
+ return self.intval
+ class SubInt(Int):
+ pass
+ class Float(Base):
+ def __init__(self, floatval):
+ self.floatval = floatval
+ def do_stuff(self):
+ return int(self.floatval)
+
+ prebuilt = [Int(i) for i in range(10)]
+
+ @dont_look_inside
+ def forget_intbounds(i):
+ return i
+
+ @dont_look_inside
+ def escape(p):
+ pass
+
+ def f(i):
+ total = 0
+ p = Base()
+ while True:
+ driver.jit_merge_point(i=i, total=total, p=p)
+ #print '>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>', i
+ if i == 13:
+ break
+ total += p.do_stuff()
+ j = forget_intbounds(i)
+ if j < 10: # initial loop
+ p = prebuilt[i]
+ p.intval = j
+ elif j < 12:
+ p = Int(i)
+ else:
+ p = Float(3.14)
+ escape(p)
+ i += 1
+ return total
+
+ res = self.meta_interp(f, [0])
+ assert res == f(0)
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