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Use CompareTrees to optimize the == operator.

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Now we can.
This commit is contained in:
Sei Lisa 2017-10-21 11:02:38 +02:00
parent e6b23a2d7a
commit dc117c2cbf
1 changed files with 5 additions and 9 deletions
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14
lslopt/lslfoldconst.py
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@ -1084,15 +1084,11 @@ class foldconst(object):
del child
self.FoldTree(parent, index)
return
# While this is tempting, it can only be done for identifiers.
# Counterexample: llFrand(1) == llFrand(1) would
# almost always return FALSE. After CompareTrees is fixed,
# we can reinstate it.
#if self.CompareTrees(child[0], child[1]):
# # a == a -> 1
# parent[index] = {'nt':'CONST', 't':'integer', 'value':1,
# 'SEF':True}
# return
if self.CompareTrees(child[0], child[1]):
# a == a -> 1
parent[index] = {'nt':'CONST', 't':'integer', 'value':1,
'SEF':True}
return
return
if nt in ('<=', '>=') or nt == '!=' and child[0]['t'] != 'list':