[pypy-commit] pypy stmgc-c4: yet another failing test for stmrewrite

[Raemi]

Author: Remi Meier <remi.meier at gmail.com>
Branch: stmgc-c4
Changeset: r65859:7134c15384b9
Date: 2013-07-31 12:39 +0200
http://bitbucket.org/pypy/pypy/changeset/7134c15384b9/

Log:	yet another failing test for stmrewrite

diff --git a/rpython/jit/backend/llsupport/test/test_stmrewrite.py b/rpython/jit/backend/llsupport/test/test_stmrewrite.py
--- a/rpython/jit/backend/llsupport/test/test_stmrewrite.py
+++ b/rpython/jit/backend/llsupport/test/test_stmrewrite.py
@@ -108,6 +108,26 @@
             p5 = getfield_gc(p1, descr=tzdescr)
         """)
 
+    def test_invalidate_read_status_after_write_to_field(self):
+        self.check_rewrite("""
+            [p0]
+            p1 = getfield_gc(p0, descr=tzdescr)
+            p2 = getfield_gc(p0, descr=tzdescr)
+            p3 = getfield_gc(p1, descr=tzdescr)
+            setfield_gc(p2, p0, descr=tzdescr)
+            p4 = getfield_gc(p1, descr=tzdescr)
+        """, """
+            [p0]
+            p1 = getfield_gc(p0, descr=tzdescr)
+            p2 = getfield_gc(p0, descr=tzdescr)
+            cond_call_stm_b(p1, descr=P2Rdescr)
+            p3 = getfield_gc(p1, descr=tzdescr)
+            cond_call_stm_b(p2, descr=P2Wdescr)
+            setfield_gc(p2, p0, descr=tzdescr)
+            cond_call_stm_b(p1, descr=P2Rdescr)
+            p4 = getfield_gc(p1, descr=tzdescr)
+        """)
+
     def test_rewrite_write_barrier_after_malloc(self):
         self.check_rewrite("""
             [p1, p3]