[LLVMdev] how to define INTRINSIC_W_CHAIN

[kewuzhang]

en!

my test is : %r1 = call<float> @test.adddiv( <float> %r0, <float>* %p0).
since 

>>   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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