Returning Void from LLVM Function

Question

I have created a function in LLVM IR. Now I want to create a return command return void

.

I saw the Create function ReturnInst::(LLVMContext &C, Value *retVal, BasicBlock *InsertAtEnd)

But I don't know what should retVal

be it for it to returnreturn void

+4

coder hacker 15 nov. 14 at 17:43

2 answers

ScottyP · Answer 1 · 2014-11-16T02:11:12+0000

If you pass nullptr to retVal (which is also the default) that will give you "ret void".

Fangqing Du · Answer 2 · 2019-08-14T18:51:40+0000

This code seems to work: UndefValue::get(Type::getVoidTy(Context))