Author: Spenser Andrew Bauman <[email protected]>
Branch: remove-getfield-pure
Changeset: r81751:1ddab6bd3654
Date: 2016-01-13 18:23 -0500
http://bitbucket.org/pypy/pypy/changeset/1ddab6bd3654/
Log: Don't invalidate field caches for immutable fields
diff --git a/rpython/jit/metainterp/optimizeopt/heap.py
b/rpython/jit/metainterp/optimizeopt/heap.py
--- a/rpython/jit/metainterp/optimizeopt/heap.py
+++ b/rpython/jit/metainterp/optimizeopt/heap.py
@@ -183,6 +183,8 @@
return res
def invalidate(self, descr):
+ if descr.is_always_pure():
+ return
for opinfo in self.cached_infos:
assert isinstance(opinfo, info.AbstractStructPtrInfo)
opinfo._fields[descr.get_index()] = None
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