[llvm-dev] How to insert vector type input parameter for function in C/C++ API?

[Craig Topper via llvm-dev]

It should be VectorType::get(Type::getInt32Ty(Context),4).  You need the
word "get" after VectorType::

~Craig

On Fri, Apr 7, 2017 at 6:01 PM, Michael Choi <choimichael103 at gmail.com>
wrote:

> Thank you so much Craig!
>
> I tried it. But still complaining. Here is the error message during
> compilation.
>
> HowToUseJIT_SIMD_FuncProto.cpp:94:55: error: expected unqualified-id
>                                           VectorType::(Type::getInt32Ty(
> Context),4),
>
>
>
> THIS IS MY CODE:
>   LLVMContext Context;
>
>   std::unique_ptr<Module> Owner = make_unique<Module>("test", Context);
>   Module *M = Owner.get();
>
>   Function *Add1F =
>     cast<Function>(M->getOrInsertFunction("add1",
>                                           VectorType::(Type::getInt32Ty(
> Context),4),
>                                           VectorType::(Type::getInt32Ty(
> Context),4),
>
>                                           //Type::getInt32Ty(Context),
> //This is working fine
>                                           //Type::getInt32Ty(Context),
> //This is working fine
>
>                                           nullptr));
>
>
> Any idea?
> Please let me know what is wrong in my code.
>
> Thanks,
> Michael
>
> On Fri, Apr 7, 2017 at 5:36 PM, Craig Topper <craig.topper at gmail.com>
> wrote:
>
>> To create a vector type you can call VectorType::get(<scalar element
>> type>, <num of elements>) and pass the output of that to the Type argument
>> when creating instructions. To get the scalar element type you can use the
>> get*Ty methods in IRBuilder or the Type::get*Ty methods.
>>
>> ~Craig
>>
>> On Fri, Apr 7, 2017 at 5:20 PM, Michael Choi via llvm-dev <
>> llvm-dev at lists.llvm.org> wrote:
>>
>>> I am working on AVX2 code generation by LLVM framework.
>>>
>>> I want to generate LLVM-IR code for the following code by C/C++ API from
>>> LLVM framework. I am using LLVM3.8.
>>> Basically, I want to generate TARGET (Refer to below) LLVM-IR code for
>>> SOURCE function by C/C++ API.
>>> As you see below, the AVX2 data type is __m256i which is vector type.
>>> How can I indicate vector type (function return type, input parameters) for
>>> IRBuiler by C/C++ APIs?
>>>
>>> I don't see any example online and please let me know if anybody has
>>> examples.
>>>
>>>
>>>
>>> SOURCE:
>>> #include "immintrin.h"
>>> __m256i sum(__m256i a, __m256i b) {
>>>     return a+b;
>>> }
>>>
>>> TARGET:
>>> michael at michael-Precision-Tower-3420:~/Year_2017/work_DEMO$ cat
>>> avx2_add2.ll
>>> ; ModuleID = 'avx2_add2.c'
>>> target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
>>> target triple = "x86_64-unknown-windows-cygnus"
>>>
>>> ; Function Attrs: nounwind
>>> define <4 x i64> @sum(<4 x i64> %a, <4 x i64> %b) #0 {
>>>   %1 = alloca <4 x i64>, align 32
>>>   %2 = alloca <4 x i64>, align 32
>>>   store <4 x i64> %a, <4 x i64>* %1, align 32
>>>   store <4 x i64> %b, <4 x i64>* %2, align 32
>>>   %3 = load <4 x i64>, <4 x i64>* %1, align 32
>>>   %4 = load <4 x i64>, <4 x i64>* %2, align 32
>>>   %5 = add <4 x i64> %3, %4
>>>   ret <4 x i64> %5
>>> }
>>>
>>> attributes #0 = { nounwind "disable-tail-calls"="false"
>>> "less-precise-fpmad"="false" "no-frame-pointer-elim"="false"
>>> "no-infs-fp-math"="false" "no-nans-fp-math"="false"
>>> "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2"
>>> "unsafe-fp-math"="false" "use-soft-float"="false" }
>>>
>>> !llvm.ident = !{!0}
>>>
>>> !0 = !{!"clang version 3.8.1 (tags/RELEASE_381/final)"}
>>>
>>> Thanks,
>>> Michael
>>>
>>> _______________________________________________
>>> LLVM Developers mailing list
>>> llvm-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>
>>>
>>
>
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