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[WIP][CFI] Use .cfi of aleasee if the function is infact a alias #150339

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[WIP][CFI] Use .cfi of aleasee if the function is infact a alias #150339

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11 changes: 11 additions & 0 deletions llvm/lib/Transforms/IPO/LowerTypeTests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2453,6 +2453,17 @@ bool LowerTypeTestsModule::lower() {
} else {
Alias->setName(AliasName);
}

if (auto *F = M.getFunction((AliasName + ".cfi").str())) {
// Function can be an alias. In such case we need definition of .cfi
// of aliasee.
if (auto *CfiAleasee = M.getFunction((Aliasee + ".cfi").str())) {
F->replaceAllUsesWith(CfiAleasee);
F->eraseFromParent();
} else {
F->setName(Aliasee + ".cfi");
}
}
}
}
}
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