Generate similiar *.ll code as Clang does for #pragma omp target parallel #49
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DominikAdamski
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Done:
Added declaration of kmpc_parallel_51
Set constant args
Added logic for setting up size of array which will
contain target symbols
Calling kmpc_parallel_51
Moved deinit function just after kmpc_parallel_51
Not done:
Passing symbols to target array
Creating separate function which will reflect kernel code
Signed-off-by: Dominik Adamski <[email protected]>
kmpc_parallel_51 requires that offloaded symbols are passed as addresses inside pointer array Signed-off-by: Dominik Adamski <[email protected]>
Flang generates new SPMD kernels which use kmpc_parallel_51 function. Signed-off-by: Dominik Adamski <[email protected]>
Signed-off-by: Dominik Adamski <[email protected]>
Do not assign new dtype value for device symbols via get_type function. Use macros PASSBYVALP PASSBYREFP instead. Remove hack for load/store of the last symbol. Signed-off-by: Dominik Adamski <[email protected]>
Fixed passing scalars which type is different than int64. Fixed passing allocatable arrays. Signed-off-by: Dominik Adamski <[email protected]>
If we generate initialization function for SPMD kernels we need to store addresses of the arguments before we call kmpc_parallel_51 function. We use ptrtoint instruction for scalar variables. Before this patch the LLVM IR code was generated wrongly for complex variables: void kernel_func(<float, float> *Arg_c) //some code ptrtoint i64* %Arg_c //error Arg_c was declared as pair of floats //some code call kmpc_parallel_51() //some code This patch causes that LLVM IR contains correct ptrtoint instruction: void kernel_func(<float, float> *Arg_c) //some code ptrtoint <float, float>* %Arg_c //ok, Arg_c was declared as pair of floats //some code call kmpc_parallel_51() //some code Signed-off-by: Dominik Adamski <[email protected]>
Fortran objects should be passed as i64* Signed-off-by: Dominik Adamski <[email protected]>
Signed-off-by: Dominik Adamski <[email protected]>
Signed-off-by: Dominik Adamski <[email protected]>
Signed-off-by: Dominik Adamski <[email protected]>
Clang uses kmpc_parallel_51 function for handlig target parallel for pragma. Flang should use the same functions as Clang for pragma target parallel Signed-off-by: Dominik Adamski <[email protected]>
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