sfantao added a comment.

In http://reviews.llvm.org/D21857#476527, @Hahnfeld wrote:

> Hi Samuel,
>
> this looks pretty good overall!
>
> I've only encountered one issue which I don't really know is caused by which 
> patch: I can't use the (exact) same triple for offloading and the host when 
> compiling separately. I found out that the device object file is taken as 
> input for the final link step and `ld` therefore complains
>
>   <...>/lib64/crt1.o: In function `_start':
>   (.text+0x20): undefined reference to `main'
>
>
> I've not yet found the reason - are there some `unordered_maps` that don't 
> keep the order? I'm also seeing that the first argument to 
> `clang-offload-bundler` is not always for the host...
>
> Thanks,
> Jonas


Thanks for letting me know! I'll investigate and see if I can replicate the 
issue here.

Thanks again!
Samuel


http://reviews.llvm.org/D21857



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