[LLVMdev] inline callsites whose function definitions are in different file?
devang.patel at gmail.com
Tue Jul 27 09:53:11 PDT 2010
On Tue, Jul 27, 2010 at 9:46 AM, Chuck Zhao <czhao at eecg.toronto.edu> wrote:
> I don't, and the compiler doesn't neither, that is the problem, unless I do
> hacking at compile time.
> - put all such function's definitions into file1.c
> - force to compile file1.c 1st.
> - when compiling file2.c:
> . read file1.bc
> . attach to file2's module
> - do inline analysis + inlining
> - detach the attached file1.bc functions
> - repeat for other files.
This is what LTO does.
One difference is, usually LTO stitches all modules together before
inlining instead of individually attaching/detaching .bc files. This
is because what if file2.c uses a function from file9.c ?
More information about the llvm-dev