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test.mlir

// RUN: loom-raise-opt --loom-lower-graph-memory --mlir-print-op-generic %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>
    %val1 = llvm.load volatile %ptr {alignment = 4 : i64} : !llvm.ptr -> i32
    %rmw3 = llvm.atomicrmw _and %ptr, %desired release {alignment = 4 : i64} : !llvm.ptr, i32
    %rmw4 = llvm.atomicrmw umax %ptr, %desired syncscope("system") acquire {alignment = 8 : i64} : !llvm.ptr, i32
    dataflow.graph.return %start : none
  }
}

// CHECK: "builtin.module"() ({
// CHECK-NEXT:   "dataflow.graph"() <{function_type = (!llvm.ptr, i32, i32, i64, i1, memref<?xi32>) -> (), input_segments = array<i32: 5, 0, 1>, result_segments = array<i32: 0, 0, 0>, sym_name = "source_memory_graph", sym_visibility = "private"}> ({
// CHECK-NEXT:   ^bb0(%arg0: none, %arg1: !llvm.ptr, %arg2: i32, %arg3: i32, %arg4: i64, %arg5: i1, %arg6: memref<?xi32>):
// CHECK-NEXT:     %0 = "llvm.getelementptr"(%arg1, %arg4) <{elem_type = !llvm.array<4 x i8>, noWrapFlags = 3 : i32, rawConstantIndices = array<i32: -2147483648>}> : (!llvm.ptr, i64) -> !llvm.ptr
// CHECK-NEXT:     %1:2 = "dataflow.load"(%arg6, %0, %arg0) <{contract = #dataflow.plain_access<is_volatile = true>}> : (memref<?xi32>, !llvm.ptr, none) -> (i32, none)
// CHECK-NEXT:     %2:2 = "dataflow.atomic_rmw"(%arg6, %0, %arg3, %1#1) <{contract = #dataflow.rmw_contract<kind = and, access = <ordering = release, sync_scope = <system>, source_alignment_bytes = 4>>}> : (memref<?xi32>, !llvm.ptr, i32, none) -> (i32, none)
// CHECK-NEXT:     %3:2 = "dataflow.atomic_rmw"(%arg6, %0, %arg3, %2#1) <{contract = #dataflow.rmw_contract<kind = umax, access = <ordering = acquire, sync_scope = <system>, source_alignment_bytes = 8>>}> : (memref<?xi32>, !llvm.ptr, i32, none) -> (i32, none)
// CHECK-NEXT:     "dataflow.graph.return"(%3#1) <{operandSegmentSizes = array<i32: 0, 0, 0, 1>}> : (none) -> ()
// CHECK-NEXT:   }) : () -> ()
// CHECK-NEXT: }) {dlti.dl_spec = #dlti.dl_spec<index = 64 : i64>, llvm.data_layout = "e-p:64:64"} : () -> ()
// CHECK-EMPTY: