[llvm-dev] How to inline function from other file in IR

[Soham Sinha via llvm-dev]

Hello,

How can I inline a function mentioned in other file?

I have an inline function *foo* in C source file (a.c) which is not
referenced in this file. I compile this file to a.ll (I notice that the
compiled a.ll doesn't have *foo*'s definition, probably because it was
inlined but not called anywhere)
I have another C source file b.c with function *bar*; I compile this to b.ll
I link these two files with llvm-link
I have written a pass which inserts *foo *function calls to the bar
function at some points. I want foo function calls to be *inlined*.
However, I get  compilation error because *foo *is not found (a.ll doesn't
have foo)
If I remove the inline attribute of foo in a.c, I get the correctly
compilation, with calls to foo inserted in bar from b.c
How do I achieve this kind of inline-ing?

Regards,
Soham Sinha
PhD Student, Department of Computer Science
Boston University
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