src/third_party/llvm-project/polly/lib/External/isl/test_inputs/codegen/shift_unroll.in

{ A[i,j] -> [2i,0,j]: 0 <= i,j < 10; B[i,j] -> [2i+1,1,j] : 0 <= i,j < 10 }
{ : }
{ [i,0,j] -> unroll[2] }