[cfe-dev] openclc to llvm

[Jim Grosbach]

Hi Ankur,

"int4" is not a valid C/C++ type on its own. Are you missing a #include that typedefs those types, perhaps?

-Jim
On Apr 25, 2012, at 5:48 PM, ankur deshwal <a.s.deshwal at gmail.com> wrote:

> Hi all,
> 
> I am trying to generate an llvm file from opencl kernel. It recognizes address space qualifiers for openCL like __global. However I get following errors for the types ( int4 etc.. for OpenCL)
> 
> -- My Simple Kernel ---
> 
> __kernel void VectorAdd(__global int4 *c, __global int4 *a, __global int4 *b){
>     unsigned int idx = get_global_id(0);
>     c[idx] = a[idx] + b[idx];
> }
> 
> -- Compilation and errors
> 
>  ../build/Debug+Asserts/bin/clang -x cl -emit-llvm -S vectoradd_post.cl -o vectoradd_post.ll
> vectoradd_post.cl:1:34: error: unknown type name 'int4'; did you mean 'int'?
> __kernel void VectorAdd(__global int4 *c, __global int4 *a, __global int4 *b){
>                                  ^
> vectoradd_post.cl:1:52: error: unknown type name 'int4'; did you mean 'int'?
> __kernel void VectorAdd(__global int4 *c, __global int4 *a, __global int4 *b){
>                                                    ^
> vectoradd_post.cl:1:70: error: unknown type name 'int4'; did you mean 'int'?
> __kernel void VectorAdd(__global int4 *c, __global int4 *a, __global int4 *b){
>                                                                      ^
> vectoradd_post.cl:2:24: warning: implicit declaration of function 'get_global_id' is invalid in C99 [-Wimplicit-function-declaration]
>     unsigned int idx = get_global_id(0);
>                        ^
> 1 warning and 3 errors generated.
> .
> 
> Please let me what am I doing wrong. Also is there any document regarding opencl with clang.
> 
> Thanks and Regards,
> Ankur
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