On 1 November 2013 23:47, Lisandro Dalcin <dalc...@gmail.com> wrote:
> On 1 November 2013 21:53, Stefan Behnel <stefan...@behnel.de> wrote:
>>
>> Erm - interesting. I looked through the code lines above and couldn't find
>> anything that looked suspicious. I hope I used the same source version as
>> you did (latest master?). Maybe I was just blinded by macros, but what I
>> saw looked rather reasonable...
>>
>
> Oh! Sorry, I've used branch 0.19.x, I'll check master and report back
> my findings.
>
OK, this is the commit in master I've used for test:
$ git show
commit 2cf64fd4e3e1f5d570d856c2e98fdc51930f1a50
Author: Robert Bradshaw <rober...@gmail.com>
Date: Fri Nov 1 09:05:24 2013 -0700
Fix executable bits.
I got three warnings, see below. I understand the ones in _tempita.c
and FlowControl.c, but not sure about the others.
---
bug: anti-dce
model: |
%523 = icmp ne i64 %522, 0, !dbg !1146
--> false
************************************************************
:
%518 = load %struct._object** @PyExc_UnboundLocalError, align 8, !dbg !1147
%519 = call %struct._object* (%struct._object*, i8*, ...)*
@PyErr_Format(%struct._object* %518, i8* getelementptr inbounds ([49 x
i8]* @.str101, i32 0, i32 0), i8* getelementptr inbounds ([6 x i8]*
@.str52, i32 0, i32 0)), !dbg !1147
br label %605, !dbg !1150
stack:
- /home/dalcinl/Devel/cython-dev/Cython/Plex/Scanners.c:6632:0
- /home/dalcinl/Devel/cython-dev/Cython/Plex/Scanners.c:1734:0
ncore: 1
core:
- /home/dalcinl/Devel/cython-dev/Cython/Plex/Scanners.c:6492:0
- null pointer dereference
---
bug: anti-simplify
model: |
%2387 = icmp ne %struct._object* %__pyx_t_4.1, null, !dbg !3029
--> true
stack:
- /home/dalcinl/Devel/cython-dev/Cython/Tempita/_tempita.c:24184:0
ncore: 1
core:
- /home/dalcinl/Devel/cython-dev/Cython/Tempita/_tempita.c:591:0
- null pointer dereference
---
bug: anti-simplify
model: |
%7850 = icmp ne %struct._object* %78, null, !dbg !4512
--> true
stack:
- /home/dalcinl/Devel/cython-dev/Cython/Compiler/FlowControl.c:16478:0
ncore: 1
core:
- /home/dalcinl/Devel/cython-dev/Cython/Compiler/FlowControl.c:30460:0
- null pointer dereference
--
Lisandro Dalcin
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