[LLVMdev] Possible bug in TCO?

Jeffrey Yasskin jyasskin at google.com
Tue Dec 8 17:31:45 PST 2009


On Tue, Dec 8, 2009 at 12:58 PM, Albert Graef <Dr.Graef at t-online.de> wrote:
> Jeffrey Yasskin wrote:
>> Not really. I need to find the IR it's compiling into bad code, and
>> `make check` doesn't give me the command lines so I can gdb them. It's
>> also going to be tricky for me, who's not familiar with your
>> implementation, to find which function is crashing and where it's
>> compiled. Either a patch to JITTest.cpp or an IR file+an lli command
>> line would be really helpful.
>
> Ok, I'll give it a go as soon as I find some time.

At least part of this is http://llvm.org/PR5729 (thanks to Jon Harrop
for making me look at his test case.)
Your time is probably best spent reducing the lazy compilation
breakage, until we've fixed this tail-call problem.



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