[pypy-commit] pypy default: Add a failing test.
arigo
noreply at buildbot.pypy.org
Wed Feb 15 17:03:44 CET 2012
Author: Armin Rigo <arigo at tunes.org>
Branch:
Changeset: r52511:51c1f7757f0d
Date: 2012-02-15 17:03 +0100
http://bitbucket.org/pypy/pypy/changeset/51c1f7757f0d/
Log: Add a failing test.
diff --git a/pypy/jit/backend/test/runner_test.py b/pypy/jit/backend/test/runner_test.py
--- a/pypy/jit/backend/test/runner_test.py
+++ b/pypy/jit/backend/test/runner_test.py
@@ -2221,6 +2221,36 @@
print 'step 4 ok'
print '-'*79
+ def test_guard_not_invalidated_and_label(self):
+ py.test.skip("fails on x86!")
+ # test that the guard_not_invalidated reserves enough room before
+ # the label. If it doesn't, then in this example after we invalidate
+ # the guard, jumping to the label will hit the invalidation code too
+ cpu = self.cpu
+ i0 = BoxInt()
+ faildescr = BasicFailDescr(1)
+ labeldescr = TargetToken()
+ ops = [
+ ResOperation(rop.GUARD_NOT_INVALIDATED, [], None, descr=faildescr),
+ ResOperation(rop.LABEL, [i0], None, descr=labeldescr),
+ ResOperation(rop.FINISH, [i0], None, descr=BasicFailDescr(3)),
+ ]
+ ops[0].setfailargs([])
+ looptoken = JitCellToken()
+ self.cpu.compile_loop([i0], ops, looptoken)
+ # mark as failing
+ self.cpu.invalidate_loop(looptoken)
+ # attach a bridge
+ i2 = BoxInt()
+ ops = [
+ ResOperation(rop.JUMP, [ConstInt(333)], None, descr=labeldescr),
+ ]
+ self.cpu.compile_bridge(faildescr, [], ops, looptoken)
+ # run: must not be caught in an infinite loop
+ fail = self.cpu.execute_token(looptoken, 16)
+ assert fail.identifier == 3
+ assert self.cpu.get_latest_value_int(0) == 333
+
# pure do_ / descr features
def test_do_operations(self):
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