Author: Carl Friedrich Bolz <[email protected]>
Branch:
Changeset: r73660:876563a39e5b
Date: 2014-09-06 19:11 +0200
http://bitbucket.org/pypy/pypy/changeset/876563a39e5b/
Log: up to now, malloc invalidated the cache. fix
diff --git a/rpython/translator/backendopt/storesink.py
b/rpython/translator/backendopt/storesink.py
--- a/rpython/translator/backendopt/storesink.py
+++ b/rpython/translator/backendopt/storesink.py
@@ -95,7 +95,7 @@
field = op.args[1].value
clear_cache_for(cache, target.concretetype, field)
cache[target, field] = op.args[2]
- elif has_side_effects(op):
+ elif has_side_effects(op) and op.opname not in ("malloc",
"malloc_varsize"):
cache.clear()
newops.append(op)
return newops, added_some_same_as
diff --git a/rpython/translator/backendopt/test/test_storesink.py
b/rpython/translator/backendopt/test/test_storesink.py
--- a/rpython/translator/backendopt/test/test_storesink.py
+++ b/rpython/translator/backendopt/test/test_storesink.py
@@ -153,3 +153,17 @@
self.check(f, [int], 0)
+ def test_malloc_does_not_invalidate(self):
+ class A(object):
+ pass
+ class B(object):
+ pass
+
+ def f(i):
+ a = A()
+ a.x = i
+ b = B()
+ return a.x
+
+ self.check(f, [int], 0)
+
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