[LLVMdev] Jump threading pass bug

Argyrios Kyrtzidis kyrtzidis at apple.com
Thu Sep 2 13:02:40 PDT 2010


Yes, it is fixed indeed, thanks!

-Argiris

On Sep 2, 2010, at 7:37 PM, Dale Johannesen wrote:

> 
> On Sep 2, 2010, at 8:05 AMPDT, Argyrios Kyrtzidis wrote:
> 
>> If I use the jump threading pass on the attached IR:
>> 
>> $ opt before.ll -jump-threading -o - | llvm-dis -o after.ll
>> 
>> a big chunk gets removed, a chunk that is actually necessary. ('before.ll' passes the test in webkit, while 'after.ll' fails)
>> 
>> Can someone take a look ?
> 
> This is fixed in TOT, probably by 112843.
> 
>> 
>> -Argiris
>> 
> <before.ll>
>> 
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> 





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