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test.mlir

// RUN: loom-raise-opt --loom-lower-graph-memory %s | FileCheck %s

module attributes {
  llvm.data_layout = "e-p:64:64",
  dlti.dl_spec = #dlti.dl_spec<#dlti.dl_entry<index, 64>>
} {
  dataflow.graph private @source_memory_graph(
      %start: none, %base: !llvm.ptr, %expected: i32, %desired: i32,
      %index: i64, %cond: i1) -> ()
      attributes {input_segments = array<i32: 5, 0, 0>,
                  result_segments = array<i32: 0, 0, 0>} {
    %ptr = llvm.getelementptr inbounds %base[%index]
        : (!llvm.ptr, i64) -> !llvm.ptr, !llvm.array<4 x i8>
    %rmw0 = llvm.atomicrmw max %ptr, %desired syncscope("singlethread") release {alignment = 4 : i64} : !llvm.ptr, i32
    dataflow.graph.return %start : none
  }
}

// CHECK: module attributes {dlti.dl_spec = #dlti.dl_spec<index = 64 : i64>, llvm.data_layout = "e-p:64:64"} {
// CHECK-NEXT:   dataflow.graph private @source_memory_graph(%arg0: none, %arg1: !llvm.ptr, %arg2: i32, %arg3: i32, %arg4: i64, %arg5: i1, %arg6: memref<?xi32>) -> () attributes {input_segments = array<i32: 5, 0, 1>, result_segments = array<i32: 0, 0, 0>} {
// CHECK-NEXT:     %0 = llvm.getelementptr inbounds %arg1[%arg4] : (!llvm.ptr, i64) -> !llvm.ptr, !llvm.array<4 x i8>
// CHECK-NEXT:     %old, %done = dataflow.atomic_rmw %arg6[%0] %arg3 %arg0 {contract = #dataflow.rmw_contract<kind = max, access = <ordering = release, sync_scope = <single_thread>, source_alignment_bytes = 4>>} : memref<?xi32>, !llvm.ptr
// CHECK-NEXT:     dataflow.graph.return %done : none
// CHECK-NEXT:   }
// CHECK-NEXT: }
// CHECK-EMPTY: