[llvm-dev] LLVM IR linking separate function definitions in header files in single IR

[Mehdi AMINI via llvm-dev]

On Tue, Jan 1, 2019 at 1:41 PM hameeza ahmed via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
> I have different codes with separate files with functions implemented. I
> want to view all function definitions/ instructions in single IR. I am able
> to do this by llvm-link for codes which have definition implemented in .c
> files...
> But there are some codes which have definitions instructions in header
> files. These functions are called from .c file. I want to have a single IR
> with all the definitions of the called functions that are implemented in
> header files..
>
> How to do this?
> Please help...
>

I assume that your  "function defined in a header"  are marked as inline?
There is no semantic concept of "header" in C/C++: moving code from a .c to
a .h (or renaming a file) does not change anything to what the compiler
will do with it.

Depending on the language (GNU-C89, C99 vs C++, see here:
https://en.wikipedia.org/wiki/Inline_function ), the semantic of inline
functions is different.
If you can provide an minimal example it would be easier.

Best,

-- 
Mehdi
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