[LLVMdev] Why llvm-pass don't work when applied on itself(passfile)

Prashanth Sharma
Sun, 15 Jun 2014 17:04:13 -0000

Let's take Hello.cpp  pass file from llvm/lib/Transform/Hello. Now I want
to run clang -emit-llvm -c Hello.cpp(Hello.c).Means I want to apply this
pass on itself.Then there are too many errors.


On Sun, Jun 15, 2014 at 10:27 PM, John Criswell <criswell at illinois.edu>
wrote:

>  On 6/14/14, 6:02 AM, Prashanth Sharma wrote:
>
> Hi,
> I applied some pass i.e.  Hello pass on Hello.cpp(the pass file).It
> doesnot work as using command clang -emit-llvm -c Hello.c(Hell.cpp) does
> not create any .bc file .Can any body have some suggestion ?
>
>
> Is the problem that you can't create a bitcode file or that you
can't get
> clang to run your pass?
>
> Assuming you can't generate a bitcode file, clang -emit-llvm -c
<file.c>
> should create a file ending with .o that is an LLVM bitcode file.  It will
> not have a .bc suffix.
>
> Regards,
>
> John Criswell
>
>
>
>  --
>  Thanks
>  Prashant Sharma
>
>
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>
>


--
Thanks
Prashant Sharma
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