[LLVMdev] how to define INTRINSIC_W_CHAIN

[Tom Stellard]

On Fri, Jul 18, 2014 at 03:19:47PM -0400, kewuzhang wrote:
> en!
> 
> my test is : %r1 = call<float> @test.adddiv( <float> %r0, <float>* %p0).
> since 
> 

Can you show us the code from your .td file where you define the intrinsic?

-Tom

> >>   but somehow it always fall into INTRINSIC_WO_CHAIN category.  
> (caught it in lowering..)
> 
> I think it doesn’t have chain in initial DAG.
> 
> unfortunately the intrinsic “test.adddiv” is defined by me for now.  not sure how to make it has a chain.
> 
> kevin
> 
> 
> On Jul 18, 2014, at 3:06 PM, Krzysztof Parzyszek <kparzysz at codeaurora.org> wrote:
> 
> > On 7/18/2014 2:00 PM, kewuzhang wrote:
> >> 
> >> I am working on an intrinsic function, which will write to a pointer argument.
> >> So I am lowering it and think I need to catch it in lowerINTRINSIC_W_CHAIN,  but somehow it always fall into INTRINSIC_WO_CHAIN category.
> >> 
> >> I put [IntrReadwriteArgMem] into my Intrinsic  class definition, it did not help.
> >> tried put [SDNPHasChain] into  intrinsic class definition, cause errors” Element type mismatch for list”.
> >> 
> >>  wondering how to flag it  to INTRINSIC_W_CHAIN?
> > 
> > 
> > Does it have chain in the initial DAG?
> > 
> > -Krzysztof
> > 
> > 
> > -- 
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