================ @@ -1924,6 +1924,10 @@ bool isChainCC(CallingConv::ID CC) { } } +bool isCallableCC(CallingConv::ID CC) { + return !isEntryFunctionCC(CC) && !isChainCC(CC); ---------------- rovka wrote: You're right, thanks! https://github.com/llvm/llvm-project/pull/72245