Author: Carl Friedrich Bolz <cfb...@gmx.de>
Branch:
Changeset: r82632:8d422c65fe9a
Date: 2016-02-27 16:52 +0100
http://bitbucket.org/pypy/pypy/changeset/8d422c65fe9a/
Log: remove a guard from str.count
diff --git a/rpython/rtyper/lltypesystem/rstr.py
b/rpython/rtyper/lltypesystem/rstr.py
--- a/rpython/rtyper/lltypesystem/rstr.py
+++ b/rpython/rtyper/lltypesystem/rstr.py
@@ -717,10 +717,7 @@
return cls.ll_count_char(s1, s2.chars[0], start, end)
res = cls.ll_search(s1, s2, start, end, FAST_COUNT)
- # For a few cases ll_search can return -1 to indicate an "impossible"
- # condition for a string match, count just returns 0 in these cases.
- if res < 0:
- res = 0
+ assert res >= 0
return res
@staticmethod
@@ -741,6 +738,8 @@
w = n - m
if w < 0:
+ if mode == FAST_COUNT:
+ return 0
return -1
mlast = m - 1
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