Hello, Vassily
Thanks for the clues. However, it doesn't serve my purpose as well as I
want it to be. Basically, I'm using llvm::DIBuilder class to create the
debug information for formal arguments. The function declaration is as :
DIVariable <http://llvm.org/docs/doxygen/html/classllvm_1_1DIVariable.html>
DIBuilder::createLocalVariable
<http://llvm.org/docs/doxygen/html/classllvm_1_1DIBuilder.html#a660cfd0cffd8005591d6311cd5ab991b>
( unsigned <http://llvm.org/docs/doxygen/html/classunsigned.html> *Tag*,
DIDescriptor
<http://llvm.org/docs/doxygen/html/classllvm_1_1DIDescriptor.html> *Scope*,
StringRef <http://llvm.org/docs/doxygen/html/classllvm_1_1StringRef.html>
*Name*,
DIFile <http://llvm.org/docs/doxygen/html/classllvm_1_1DIFile.html> *File*,
unsigned <http://llvm.org/docs/doxygen/html/classunsigned.html> *LineNo*,
DITypeRef
<http://llvm.org/docs/doxygen/html/namespacellvm.html#a868f4b93b5dc844759b39defbf99b2fc>
*Ty*,
bool <http://llvm.org/docs/doxygen/html/classbool.html> *AlwaysPreserve* =
false
<http://llvm.org/docs/doxygen/html/SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85>,
unsigned <http://llvm.org/docs/doxygen/html/classunsigned.html> *Flags* = 0,
unsigned <http://llvm.org/docs/doxygen/html/classunsigned.html> *ArgNo* = 0
)
So the last parameter that I need is ArgNo, I'm considering, given a
ArgSymbol*, can I get all the corresponding info that this function
needs(I'm able to get all these except the ArgNo now) ?
Besides, where do you think I shall put this debug info generation function
in the codegen step ? For global/local variables, I found the codegenDef
function in Symbol.cpp where adding this kinda DI generation function
works, however, for ArgSymbol, I don't find a codegenDef function...
On Mon, Dec 22, 2014 at 2:09 AM, Vassily Litvinov <[email protected]> wrote:
> Hui,
>
> ArgSymbols do not carry the argument number.
>
> To get i-th argument of a function, you can use FnSymbol::getFormal(i).\
> See also FnSymbol::numFormals() and the for_formals macro.
>
> There are counterparts for CallExpr.
>
> If this does not answer your question, please write back.
>
> Vassily
>
> ----- Forwarded message from Hui Zhang <[email protected]> -----
>
> Date: Sun, 21 Dec 2014 15:44:08 -0500
> From: Hui Zhang <[email protected]>
> To: Chapel Sourceforge Developers List <
> [email protected]>
> Subject: [Chapel-developers] Arg number in Chapel
>
> Hello,
>
> I'm trying to build debug information for the argument, but I don't know
> how to get the ArgNo parameter (argument's number. 1 indicates 1st
> argument.)
>
> I didn't see any relative member in ArgSymbol, any clues ?
>
> Thanks
>
> --
> Best regards
>
>
> Hui Zhang
>
>
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>
--
Best regards
Hui Zhang
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