Return Void from function LLVM

Question

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

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

But I don't know what should retVal should be so that it returns return void

ScottyP · Accepted Answer · 2014-11-16 02:11:12Z

9

If you pass in nullptr to retVal (which is its default value too) that will give you a 'ret void'.

answered Nov 16, 2014 at 2:11

ScottyP

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Comments

Fangqing Du · Accepted Answer · 2019-08-14 18:51:40Z

1

Seems this code works: UndefValue::get(Type::getVoidTy(Context))

answered Aug 14, 2019 at 18:51

Fangqing Du

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