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Hi folks, I've got an idea for something I may be able to do as a Link-Time- Optimization pass, but I can't seem to find how LTO gets used. My crude approach has been to compile LLVM for debugging, and then run gdb on llvm-ld with -O5 and two .bc files, trying to catch LTO in action. I've also scanned the compiled tools, and none of them appear to use the symbol