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input.mlir

dataflow.graph private @acc_0(%start: none, %lb: i64, %ub: i64, %step: i64, %init: i32,
    %a: memref<128xi32>) -> (i32)
    attributes {input_segments = array<i32: 4, 0, 1>,
                result_segments = array<i32: 1, 0, 0>} {
  %total = scf.for %i = %lb to %ub step %step
      iter_args(%state = %init) -> (i32) : i64 {
    %shifted = arith.addi %i, %lb : i64
    %idx = arith.index_cast %shifted : i64 to index
    %aloaded = memref.load %a[%idx] : memref<128xi32>
    %asum = arith.addi %state, %aloaded : i32
    memref.store %asum, %a[%idx] : memref<128xi32>
    scf.yield %asum : i32
  }
  dataflow.graph.return %start, %total : none, i32
}

dataflow.graph private @pair_1(%start: none, %lb: i64, %ub: i64, %step: i64,
    %a: memref<?xi32>, %b: memref<?xi32>) -> ()
    attributes {input_segments = array<i32: 3, 0, 2>,
                result_segments = array<i32: 0, 0, 0>} {
  scf.for %i = %lb to %ub step %step : i64 {
    %idx = arith.index_cast %i : i64 to index
    %ploaded = memref.load %b[%idx] : memref<?xi32>
    memref.store %ploaded, %a[%idx] : memref<?xi32>
  }
  dataflow.graph.return %start : none
}