Author: Maciej Fijalkowski <[email protected]>
Branch:
Changeset: r75044:fd1489733b1e
Date: 2014-12-19 15:52 +0200
http://bitbucket.org/pypy/pypy/changeset/fd1489733b1e/
Log: essential optimization, don't store None in producer (and update it
all the time too)
diff --git a/rpython/jit/metainterp/optimizeopt/optimizer.py
b/rpython/jit/metainterp/optimizeopt/optimizer.py
--- a/rpython/jit/metainterp/optimizeopt/optimizer.py
+++ b/rpython/jit/metainterp/optimizeopt/optimizer.py
@@ -541,7 +541,8 @@
self.first_optimization.propagate_forward(op)
def propagate_forward(self, op):
- self.producer[op.result] = op
+ if op.result is not None:
+ self.producer[op.result] = op
dispatch_opt(self, op)
def emit_operation(self, op):
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