[llvm-dev] Check if getElementPtr Operand

[Bernard Nongpoh via llvm-dev]

Thanks Ryan, I'm able to retrieved the type using the following code:

Type *type=getElementPtrInst->getSourceElementType();



On Fri, Aug 12, 2016 at 7:00 PM, Ryan Taylor <ryta1203 at gmail.com> wrote:

> Take a look at visitGetElementPtrInst in InstructionCombining.cpp for some
> examples about how to iterate over GEP and check for type.
>
> http://llvm.org/docs/doxygen/html/InstructionCombining_
> 8cpp_source.html#l01334
>
> Hope I understood your question correctly.
>
> On Fri, Aug 12, 2016 at 6:34 AM, Bernard Nongpoh via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hello,
>> consider the following IR code :
>> %count4 = getelementptr inbounds %struct.r32, %struct.r32* %cur.087, i64
>> 0, i32 4
>>
>> How to check in the instruction, whether the operand is a structure or
>> not
>>
>> if(isa<GetElementPtrInst>(instruction))
>> {
>> GetElementPtrInst *getElementPtrInst=dyn_cast<GetElementPtrInst>(&instruction);
>>
>> //check if getElemetPtrInst operands structure or array.
>>
>> }
>>
>> Thank You
>>
>> regards,
>>
>> Bernard Nongpoh
>>
>>
>>
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>>
>
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