[LLVMdev] how to stop intrinsic being deleted

[Duncan Sands]

Hi Sam,

> So, I have inserted some calls to my intrinsic functions in a pass but there
> are being removed.

is it being deleted by the IR level optimizers or during code generation?
Are you inserting it at IR level or during code generation?

Ciao, Duncan.

  The purpose of the intrinsics are to increment a specific
> register, the intrinsic call is lowered to a node that i have defined with
> SDNPSideEffect and the instruction also is defined as 'hasSideEffects = 1'.
> I have defined the instruction to return a i32 but take no arguments. Is
> there any way to stop my instruction being deleted or do I need to define my
> intrinsic as taking a register as an argument? And if this is the case, how
> do I define a target specific register as an argument to the call?
>
> Thanks,
>
> Sam
>
>
>
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