jyu2 added a comment. Hi ABataev, Thanks for reviedw.
In D108132#2946927 <https://reviews.llvm.org/D108132#2946927>, @ABataev wrote: > Why it can not be performed in codegen? I am not sure I can do that. Do you mean when generate map adding coding code to look though reduction clause and generate map for it? Here is the runtime test, I am trying to find way on how to add runtime test in clang. But in my added test reduction_implicit_map.cpp, I did checked IR for this. The command line: without may change: cmplrllvm-25845>clang -fopenmp -fopenmp-targets=x86_64-pc-linux-gnu o.cpp -g cmplrllvm-25845>./a.out Segmentation fault (core dumped) with may change: cmplrllvm-25845> ./a.out Result=5050 test ---- extern "C" int printf(const char *,...); void sum(int* input, int size, int* output) { #pragma omp target teams distribute parallel for reduction(+:output[0]) map(to:input[0:size]) //map(output[0]) for(int i=0; i<size; i++) output[0] += input[i]; } int main() { const int size = 100; int *array = new int[size]; int result = 0; for (int i = 0; i < size; i++) array[i] = i + 1; sum(array, size, &result); printf("Result=%d\n", result); delete[] array; return 0; } Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D108132/new/ https://reviews.llvm.org/D108132 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
