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Peter Finn

2015-Jun-22 19:29 UTC

[LLVMdev] How to Obtain a DataLayout Reference Given a Function & F

I’ve been debugging SAFECode source code files, and line 170 in
ArrayBoundCheckLocal.cpp has been causing the following compilation error:

In file included from
/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:18:
In file included from
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/ArrayBoundsCheck.h:17:
In file included from
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/AllocatorInfo.h:21:
In file included from
/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/Module.h:20:
In file included from
/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/DataLayout.h:27:
In file included from
/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/Pass.h:378:
/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/PassAnalysisSupport.h:201:53:
error: no member named 'ID' in 'llvm::DataLayout'
  return getAnalysisID<AnalysisType>(&AnalysisType::ID);
                                      ~~~~~~~~~~~~~~^
/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:170:9:
note: in instantiation of function template specialization
      'llvm::Pass::getAnalysis<llvm::DataLayout>' requested here
  TD = &getAnalysis<DataLayout>();
        ^
1 error generated.
make[2]: ***
[/Users/peterfinn/Desktop/build/projects/safecode/lib/ArrayBoundChecks/Debug+Asserts/ArrayBoundCheckLocal.o]
Error 1
make[1]: *** [ArrayBoundChecks/.makeall] Error 2
make: *** [all] Error 1

I assume I need to obtain a DataLayout reference from the argument of the
function “runOnFunction”.  Is this correct?  If so, how do I do this?  If not,
what is supposed to be done instead?

Thanks,
Peter Finn
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John Criswell

2015-Jun-22 19:58 UTC

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[LLVMdev] How to Obtain a DataLayout Reference Given a Function & F

On 6/22/15 2:29 PM, Peter Finn wrote:> I’ve been debugging SAFECode source code files, and line 170 in 
> ArrayBoundCheckLocal.cpp has been causing the following compilation 
> error:
>
> In file included from 
>
/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:18:
> In file included from 
>
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/ArrayBoundsCheck.h:17:
> In file included from 
>
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/AllocatorInfo.h:21:
> In file included from 
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/Module.h:20:
> In file included from 
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/DataLayout.h:27:
> In file included from 
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/Pass.h:378:
>
*/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/PassAnalysisSupport.h:201:53:
> **error: **no member named 'ID' in 'llvm::DataLayout'*
>   return getAnalysisID<AnalysisType>(&AnalysisType::ID);
> *                      ~~~~~~~~~~~~~~^*
>
*/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:170:9:
> note: *in instantiation of function template specialization
> 'llvm::Pass::getAnalysis<llvm::DataLayout>' requested here
>   TD = &getAnalysis<DataLayout>();
> *        ^*
> 1 error generated.
> make[2]: *** 
>
[/Users/peterfinn/Desktop/build/projects/safecode/lib/ArrayBoundChecks/Debug+Asserts/ArrayBoundCheckLocal.o]
> Error 1
> make[1]: *** [ArrayBoundChecks/.makeall] Error 2
> make: *** [all] Error 1
>
> I assume I need to obtain a DataLayout reference from the argument of 
> the function “runOnFunction”.  Is this correct?  If so, how do I do 
> this?  If not, what is supposed to be done instead?
If you have a pointer to a Function object, you can get the Module in 
which the Function resides by calling the getParent() method of 
Function.  If F is a pointer to an llvm::Function, then

F->getParent()

... should return a pointer (or reference; I'm not sure which) to the 
Function's containing module.

Once you have the Module, you can get the DataLayout.

Regards,

John Criswell
>
> Thanks,
> Peter Finn
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev

-- 
John Criswell
Assistant Professor
Department of Computer Science, University of Rochester
http://www.cs.rochester.edu/u/criswell

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Kamal Sharma

2015-Jun-22 21:53 UTC

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[LLVMdev] How to Obtain a DataLayout Reference Given a Function & F

On Mon, Jun 22, 2015 at 12:58 PM, John Criswell <jtcriswel at gmail.com>
wrote:
>  On 6/22/15 2:29 PM, Peter Finn wrote:
>
> I’ve been debugging SAFECode source code files, and line 170 in
> ArrayBoundCheckLocal.cpp has been causing the following compilation error:
>
>  In file included from
>
/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:18:
> In file included from
>
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/ArrayBoundsCheck.h:17:
> In file included from
>
/Users/peterfinn/Desktop/build/projects/safecode/../../../llvm_trunk_2/projects/safecode/include/safecode/AllocatorInfo.h:21:
> In file included from
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/Module.h:20:
> In file included from
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/IR/DataLayout.h:27:
> In file included from
> /Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/Pass.h:378:
>
*/Users/peterfinn/Desktop/llvm_trunk_2/include/llvm/PassAnalysisSupport.h:201:53:
> **error: **no member named 'ID' in 'llvm::DataLayout'*
>   return getAnalysisID<AnalysisType>(&AnalysisType::ID);
> *                                      ~~~~~~~~~~~~~~^*
>
*/Users/peterfinn/Desktop/llvm_trunk_2/projects/safecode/lib/ArrayBoundChecks/ArrayBoundCheckLocal.cpp:170:9:
> note: *in instantiation of function template specialization
>       'llvm::Pass::getAnalysis<llvm::DataLayout>' requested
here
>   TD = &getAnalysis<DataLayout>();
> *        ^*
> 1 error generated.
> make[2]: ***
>
[/Users/peterfinn/Desktop/build/projects/safecode/lib/ArrayBoundChecks/Debug+Asserts/ArrayBoundCheckLocal.o]
> Error 1
> make[1]: *** [ArrayBoundChecks/.makeall] Error 2
> make: *** [all] Error 1
>
>  I assume I need to obtain a DataLayout reference from the argument of
> the function “runOnFunction”.  Is this correct?  If so, how do I do this?
> If not, what is supposed to be done instead?
>
>
> If you have a pointer to a Function object, you can get the Module in
> which the Function resides by calling the getParent() method of Function.
> If F is a pointer to an llvm::Function, then
>
> F->getParent()
>
> ... should return a pointer (or reference; I'm not sure which) to the
> Function's containing module.
>
> Once you have the Module, you can get the DataLayout.
>
> Regards,
>
> John Criswell
>
>
>  Thanks,
> Peter Finn
>
>
> _______________________________________________
> LLVM Developers mailing listLLVMdev at cs.uiuc.edu        
http://llvm.cs.uiuc.eduhttp://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
>
> --
> John Criswell
> Assistant Professor
> Department of Computer Science, University of
Rochesterhttp://www.cs.rochester.edu/u/criswell
<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.rochester.edu_u_criswell&d=AwMD-g&c=8hUWFZcy2Z-Za5rBPlktOQ&r=Mfk2qtn1LTDThVkh6-oGglNfMADXfJdty4_bhmuhMHA&m=RX2VsepnsRpeviZdtI4AHZNkYk7hZp4avI5KZZhXttk&s=eUPRdR1rCx9Ui9iNQKxkju46lFOGfMenIVdaRaqW024&e=>
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>InstCombine pass in LLVM has an example of DataLayout.
http://llvm.org/docs/doxygen/html/InstructionCombining_8cpp_source.html
Line 2979.

Regards,
Kamal
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