[LLVMdev] how to define INTRINSIC_W_CHAIN

[kewuzhang]

sure!

class TEST_INTINSIC_FM< string asmstr> : Intrinsic
	 <llvm_i32_ty], [llvm_i32_ty, llvm_ptr_ty],
	[IntrReadWriteArgMem],
	!strconcat(“llvm.test”, asmstr),”.float”)
	>;

tks
On Jul 18, 2014, at 4:06 PM, Tom Stellard <tom at stellard.net> wrote:

> 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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>> 
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