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test.patch
diff --git a/test/raise/spectriad-mlir-stage-09-v1.mlir b/test/raise/spectriad-mlir-stage-09-v1.mlir
new file mode 100644
--- /dev/null
+++ b/test/raise/spectriad-mlir-stage-09-v1.mlir
@@ -0,0 +1,251 @@
+// RUN: loom-raise-opt --loom-lower-scf-to-dfg --mlir-print-op-generic %s | FileCheck %s
+
+dataflow.thread private @t0 domain(#dataflow.thread_domain<dense>)(
+ %scratch: memref<8xindex>, %memory: memref<8xindex>, %grid: memref<4x4xindex>,
+ %n: index) ctrl (%ctrl: none) {
+ "loom.spatial_region"(%n, %memory, %grid)
+ <{operandSegmentSizes = array<i32: 1, 0, 2, 0>,
+ resultSegmentSizes = array<i32: 0, 0>}> ({
+ ^bb0(%limit: index, %target: memref<8xindex>, %tile: memref<4x4xindex>):
+ %c0 = arith.constant 0 : index
+ %c1 = arith.constant 1 : index
+ %cw = arith.constant 4 : index
+ %kv = arith.constant 7 : index
+ scf.for %oi = %c0 to %limit step %c1 {
+ scf.parallel (%lane) = (%c0) to (%cw) step (%c1) {
+ %bcond = arith.cmpi slt, %lane, %cw : index
+ scf.if %bcond {
+ memref.store %kv, %target[%lane] : memref<8xindex>
+ }
+ scf.reduce
+ }
+ }
+ "loom.spatial_yield"()
+ <{operandSegmentSizes = array<i32: 0, 0>}> : () -> ()
+ }) {graph_name = "g_t0_0", source_maps = []} :
+ (index, memref<8xindex>, memref<4x4xindex>) -> ()
+ dataflow.thread.yield
+}
+
+dataflow.thread private @t1 domain(#dataflow.thread_domain<dense>)(
+ %scratch: memref<8xindex>, %memory: memref<8xindex>, %grid: memref<4x4xindex>,
+ %n: index) ctrl (%ctrl: none) {
+ "loom.spatial_region"(%n, %memory, %grid)
+ <{operandSegmentSizes = array<i32: 1, 0, 2, 0>,
+ resultSegmentSizes = array<i32: 0, 0>}> ({
+ ^bb0(%limit: index, %target: memref<8xindex>, %tile: memref<4x4xindex>):
+ %c0 = arith.constant 0 : index
+ %c1 = arith.constant 1 : index
+ %kv = arith.constant 7 : index
+ %ocond = arith.cmpi slt, %c0, %limit : index
+ scf.if %ocond {
+ scf.forall (%lane) in (4) {
+ %wres = scf.while (%wi = %c0) : (index) -> index {
+ %wc = arith.cmpi slt, %wi, %limit : index
+ scf.condition(%wc) %wi : index
+ } do {
+ ^bb0(%wb: index):
+ %wn = arith.addi %wb, %c1 : index
+ scf.yield %wn : index
+ }
+ memref.store %wres, %target[%lane] : memref<8xindex>
+ }
+ }
+ "loom.spatial_yield"()
+ <{operandSegmentSizes = array<i32: 0, 0>}> : () -> ()
+ }) {graph_name = "g_t1_0", source_maps = []} :
+ (index, memref<8xindex>, memref<4x4xindex>) -> ()
+ dataflow.thread.yield
+}
+
+
+// CHECK: "builtin.module"() ({
+// CHECK-NEXT: "dataflow.thread"() <{domain = #dataflow.thread_domain<dense>, function_type = (memref<8xindex>, memref<8xindex>, memref<4x4xindex>, index) -> (), sym_name = "t0", sym_visibility = "private"}> ({
+// CHECK-NEXT: ^bb0(%arg13: memref<8xindex>, %arg14: memref<8xindex>, %arg15: memref<4x4xindex>, %arg16: index, %arg17: none):
+// CHECK-NEXT: %170 = "dataflow.graph.launch"(%arg17, %arg16, %arg14, %arg15) <{callee = @g_t0_0, operandSegmentSizes = array<i32: 1, 1, 0, 2, 0>, resultSegmentSizes = array<i32: 0, 0, 1>, source_maps = []}> : (none, index, memref<8xindex>, memref<4x4xindex>) -> none
+// CHECK-NEXT: "dataflow.thread.yield"(%170) : (none) -> ()
+// CHECK-NEXT: }) : () -> ()
+// CHECK-NEXT: "dataflow.thread"() <{domain = #dataflow.thread_domain<dense>, function_type = (memref<8xindex>, memref<8xindex>, memref<4x4xindex>, index) -> (), sym_name = "t1", sym_visibility = "private"}> ({
+// CHECK-NEXT: ^bb0(%arg8: memref<8xindex>, %arg9: memref<8xindex>, %arg10: memref<4x4xindex>, %arg11: index, %arg12: none):
+// CHECK-NEXT: %169 = "dataflow.graph.launch"(%arg12, %arg11, %arg9, %arg10) <{callee = @g_t1_0, operandSegmentSizes = array<i32: 1, 1, 0, 2, 0>, resultSegmentSizes = array<i32: 0, 0, 1>, source_maps = []}> : (none, index, memref<8xindex>, memref<4x4xindex>) -> none
+// CHECK-NEXT: "dataflow.thread.yield"(%169) : (none) -> ()
+// CHECK-NEXT: }) : () -> ()
+// CHECK-NEXT: "dataflow.graph"() <{function_type = (index, memref<8xindex>, memref<4x4xindex>) -> (), input_segments = array<i32: 1, 0, 2>, result_segments = array<i32: 0, 0, 0>, sym_name = "g_t0_0", sym_visibility = "private"}> ({
+// CHECK-NEXT: ^bb0(%arg4: none, %arg5: index, %arg6: memref<8xindex>, %arg7: memref<4x4xindex>):
+// CHECK-NEXT: %96 = "dataflow.constant"(%arg4) <{const_value = 0 : index}> : (none) -> index
+// CHECK-NEXT: %97 = "dataflow.constant"(%arg4) <{const_value = 1 : index}> : (none) -> index
+// CHECK-NEXT: %98 = "dataflow.constant"(%arg4) <{const_value = 4 : index}> : (none) -> index
+// CHECK-NEXT: %99 = "dataflow.constant"(%arg4) <{const_value = 7 : index}> : (none) -> index
+// CHECK-NEXT: %100 = "arith.index_cast"(%96) : (index) -> i32
+// CHECK-NEXT: %101 = "arith.index_cast"(%arg5) : (index) -> i32
+// CHECK-NEXT: %102 = "arith.index_cast"(%97) : (index) -> i32
+// CHECK-NEXT: %103:2 = "dataflow.stream"(%100, %101, %102) <{predicate = 2 : i64, step_kind = 0 : i32}> : (i32, i32, i32) -> (i32, i1)
+// CHECK-NEXT: %104 = "dataflow.carry"(%103#1, %arg4, %160#0) : (i1, none, none) -> none
+// CHECK-NEXT: %105:2 = "dataflow.demux"(%103#1, %104) : (i1, none) -> (none, none)
+// CHECK-NEXT: %106 = "dataflow.invariant"(%103#1, %98) : (i1, index) -> index
+// CHECK-NEXT: %107:2 = "dataflow.gate"(%103#1, %106) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %108:2 = "dataflow.demux"(%107#0, %107#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %109 = "dataflow.invariant"(%103#1, %99) : (i1, index) -> index
+// CHECK-NEXT: %110:2 = "dataflow.gate"(%103#1, %109) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %111:2 = "dataflow.demux"(%110#0, %110#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %112 = "dataflow.invariant"(%103#1, %96) : (i1, index) -> index
+// CHECK-NEXT: %113:2 = "dataflow.gate"(%103#1, %112) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %114:2 = "dataflow.demux"(%113#0, %113#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %115 = "dataflow.invariant"(%103#1, %97) : (i1, index) -> index
+// CHECK-NEXT: %116:2 = "dataflow.gate"(%103#1, %115) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %117:2 = "dataflow.demux"(%116#0, %116#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %118 = "dataflow.carry"(%103#1, %arg4, %161#0) : (i1, none, none) -> none
+// CHECK-NEXT: %119:2 = "dataflow.demux"(%103#1, %118) : (i1, none) -> (none, none)
+// CHECK-NEXT: %120 = "dataflow.constant"(%105#1) <{const_value = 0 : index}> : (none) -> index
+// CHECK-NEXT: %121 = "arith.cmpi"(%120, %107#1) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %122:2 = "dataflow.demux"(%121, %105#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %123:2 = "dataflow.demux"(%121, %119#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %124:2 = "dataflow.demux"(%121, %110#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %125:2 = "dataflow.demux"(%121, %120) : (i1, index) -> (index, index)
+// CHECK-NEXT: %126:2 = "dataflow.sync"(%122#1, %123#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %127 = "dataflow.store"(%arg6, %125#1, %124#1, %126#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %128 = "dataflow.mux"(%121, %123#0, %127) : (i1, none, none) -> none
+// CHECK-NEXT: %129 = "dataflow.mux"(%121, %122#0, %122#1) : (i1, none, none) -> none
+// CHECK-NEXT: %130 = "dataflow.constant"(%105#1) <{const_value = 1 : index}> : (none) -> index
+// CHECK-NEXT: %131 = "arith.cmpi"(%130, %107#1) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %132:2 = "dataflow.demux"(%131, %105#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %133:2 = "dataflow.demux"(%131, %119#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %134:2 = "dataflow.demux"(%131, %110#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %135:2 = "dataflow.demux"(%131, %130) : (i1, index) -> (index, index)
+// CHECK-NEXT: %136:2 = "dataflow.sync"(%132#1, %133#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %137 = "dataflow.store"(%arg6, %135#1, %134#1, %136#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %138 = "dataflow.mux"(%131, %133#0, %137) : (i1, none, none) -> none
+// CHECK-NEXT: %139 = "dataflow.mux"(%131, %132#0, %132#1) : (i1, none, none) -> none
+// CHECK-NEXT: %140 = "dataflow.constant"(%105#1) <{const_value = 2 : index}> : (none) -> index
+// CHECK-NEXT: %141 = "arith.cmpi"(%140, %107#1) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %142:2 = "dataflow.demux"(%141, %105#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %143:2 = "dataflow.demux"(%141, %119#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %144:2 = "dataflow.demux"(%141, %110#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %145:2 = "dataflow.demux"(%141, %140) : (i1, index) -> (index, index)
+// CHECK-NEXT: %146:2 = "dataflow.sync"(%142#1, %143#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %147 = "dataflow.store"(%arg6, %145#1, %144#1, %146#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %148 = "dataflow.mux"(%141, %143#0, %147) : (i1, none, none) -> none
+// CHECK-NEXT: %149 = "dataflow.mux"(%141, %142#0, %142#1) : (i1, none, none) -> none
+// CHECK-NEXT: %150 = "dataflow.constant"(%105#1) <{const_value = 3 : index}> : (none) -> index
+// CHECK-NEXT: %151 = "arith.cmpi"(%150, %107#1) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %152:2 = "dataflow.demux"(%151, %105#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %153:2 = "dataflow.demux"(%151, %119#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %154:2 = "dataflow.demux"(%151, %110#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %155:2 = "dataflow.demux"(%151, %150) : (i1, index) -> (index, index)
+// CHECK-NEXT: %156:2 = "dataflow.sync"(%152#1, %153#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %157 = "dataflow.store"(%arg6, %155#1, %154#1, %156#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %158 = "dataflow.mux"(%151, %153#0, %157) : (i1, none, none) -> none
+// CHECK-NEXT: %159 = "dataflow.mux"(%151, %152#0, %152#1) : (i1, none, none) -> none
+// CHECK-NEXT: %160:4 = "dataflow.sync"(%129, %139, %149, %159) : (none, none, none, none) -> (none, none, none, none)
+// CHECK-NEXT: %161:4 = "dataflow.sync"(%128, %138, %148, %158) : (none, none, none, none) -> (none, none, none, none)
+// CHECK-NEXT: %162 = "arith.cmpi"(%100, %101) <{predicate = 2 : i64}> : (i32, i32) -> i1
+// CHECK-NEXT: %163:2 = "dataflow.demux"(%162, %105#0) : (i1, none) -> (none, none)
+// CHECK-NEXT: %164:2 = "dataflow.sync"(%163#1, %108#0) : (none, index) -> (none, index)
+// CHECK-NEXT: %165:2 = "dataflow.sync"(%164#0, %111#0) : (none, index) -> (none, index)
+// CHECK-NEXT: %166:2 = "dataflow.sync"(%114#0, %117#0) : (index, index) -> (index, index)
+// CHECK-NEXT: %167:2 = "dataflow.sync"(%165#0, %166#0) : (none, index) -> (none, index)
+// CHECK-NEXT: %168 = "dataflow.mux"(%162, %163#0, %167#0) : (i1, none, none) -> none
+// CHECK-NEXT: "dataflow.graph.return"(%168, %119#0) <{operandSegmentSizes = array<i32: 0, 0, 0, 2>}> : (none, none) -> ()
+// CHECK-NEXT: }) : () -> ()
+// CHECK-NEXT: "dataflow.graph"() <{function_type = (index, memref<8xindex>, memref<4x4xindex>) -> (), input_segments = array<i32: 1, 0, 2>, result_segments = array<i32: 0, 0, 0>, sym_name = "g_t1_0", sym_visibility = "private"}> ({
+// CHECK-NEXT: ^bb0(%arg0: none, %arg1: index, %arg2: memref<8xindex>, %arg3: memref<4x4xindex>):
+// CHECK-NEXT: %0 = "dataflow.constant"(%arg0) <{const_value = 0 : index}> : (none) -> index
+// CHECK-NEXT: %1 = "dataflow.constant"(%arg0) <{const_value = 1 : index}> : (none) -> index
+// CHECK-NEXT: %2 = "arith.cmpi"(%arg1, %0) <{predicate = 4 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %3:2 = "dataflow.demux"(%2, %arg0) : (i1, none) -> (none, none)
+// CHECK-NEXT: %4:2 = "dataflow.demux"(%2, %arg0) : (i1, none) -> (none, none)
+// CHECK-NEXT: %5:2 = "dataflow.demux"(%2, %arg1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %6:2 = "dataflow.demux"(%2, %1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %7:2 = "dataflow.demux"(%2, %0) : (i1, index) -> (index, index)
+// CHECK-NEXT: %8 = "dataflow.constant"(%3#1) <{const_value = 0 : index}> : (none) -> index
+// CHECK-NEXT: %9 = "dataflow.carry"(%12, %3#1, %14#1) : (i1, none, none) -> none
+// CHECK-NEXT: %10 = "dataflow.carry"(%12, %7#1, %20) : (i1, index, index) -> index
+// CHECK-NEXT: %11 = "dataflow.invariant"(%12, %5#1) : (i1, index) -> index
+// CHECK-NEXT: %12 = "arith.cmpi"(%10, %11) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %13:2 = "dataflow.demux"(%12, %9) : (i1, none) -> (none, none)
+// CHECK-NEXT: %14:2 = "dataflow.gate"(%12, %9) : (i1, none) -> (i1, none)
+// CHECK-NEXT: %15:2 = "dataflow.demux"(%14#0, %14#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %16:2 = "dataflow.demux"(%12, %10) : (i1, index) -> (index, index)
+// CHECK-NEXT: %17 = "dataflow.invariant"(%12, %6#1) : (i1, index) -> index
+// CHECK-NEXT: %18:2 = "dataflow.gate"(%12, %17) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %19:2 = "dataflow.demux"(%18#0, %18#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %20 = "arith.addi"(%16#1, %18#1) <{overflowFlags = #arith.overflow<none>}> : (index, index) -> index
+// CHECK-NEXT: %21:2 = "dataflow.demux"(%14#0, %14#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %22:3 = "dataflow.sync"(%21#0, %15#0, %19#0) : (none, none, index) -> (none, none, index)
+// CHECK-NEXT: %23 = "dataflow.mux"(%14#0, %22#0, %21#1) : (i1, none, none) -> none
+// CHECK-NEXT: %24 = "dataflow.carry"(%12, %3#1, %23) : (i1, none, none) -> none
+// CHECK-NEXT: %25:2 = "dataflow.demux"(%12, %24) : (i1, none) -> (none, none)
+// CHECK-NEXT: %26:2 = "dataflow.sync"(%13#0, %25#0) : (none, none) -> (none, none)
+// CHECK-NEXT: %27:2 = "dataflow.sync"(%26#0, %4#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %28 = "dataflow.store"(%arg2, %8, %16#0, %27#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %29 = "dataflow.constant"(%3#1) <{const_value = 1 : index}> : (none) -> index
+// CHECK-NEXT: %30 = "dataflow.carry"(%33, %3#1, %35#1) : (i1, none, none) -> none
+// CHECK-NEXT: %31 = "dataflow.carry"(%33, %7#1, %41) : (i1, index, index) -> index
+// CHECK-NEXT: %32 = "dataflow.invariant"(%33, %5#1) : (i1, index) -> index
+// CHECK-NEXT: %33 = "arith.cmpi"(%31, %32) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %34:2 = "dataflow.demux"(%33, %30) : (i1, none) -> (none, none)
+// CHECK-NEXT: %35:2 = "dataflow.gate"(%33, %30) : (i1, none) -> (i1, none)
+// CHECK-NEXT: %36:2 = "dataflow.demux"(%35#0, %35#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %37:2 = "dataflow.demux"(%33, %31) : (i1, index) -> (index, index)
+// CHECK-NEXT: %38 = "dataflow.invariant"(%33, %6#1) : (i1, index) -> index
+// CHECK-NEXT: %39:2 = "dataflow.gate"(%33, %38) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %40:2 = "dataflow.demux"(%39#0, %39#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %41 = "arith.addi"(%37#1, %39#1) <{overflowFlags = #arith.overflow<none>}> : (index, index) -> index
+// CHECK-NEXT: %42:2 = "dataflow.demux"(%35#0, %35#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %43:3 = "dataflow.sync"(%42#0, %36#0, %40#0) : (none, none, index) -> (none, none, index)
+// CHECK-NEXT: %44 = "dataflow.mux"(%35#0, %43#0, %42#1) : (i1, none, none) -> none
+// CHECK-NEXT: %45 = "dataflow.carry"(%33, %3#1, %44) : (i1, none, none) -> none
+// CHECK-NEXT: %46:2 = "dataflow.demux"(%33, %45) : (i1, none) -> (none, none)
+// CHECK-NEXT: %47:2 = "dataflow.sync"(%34#0, %46#0) : (none, none) -> (none, none)
+// CHECK-NEXT: %48:2 = "dataflow.sync"(%47#0, %4#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %49 = "dataflow.store"(%arg2, %29, %37#0, %48#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %50 = "dataflow.constant"(%3#1) <{const_value = 2 : index}> : (none) -> index
+// CHECK-NEXT: %51 = "dataflow.carry"(%54, %3#1, %56#1) : (i1, none, none) -> none
+// CHECK-NEXT: %52 = "dataflow.carry"(%54, %7#1, %62) : (i1, index, index) -> index
+// CHECK-NEXT: %53 = "dataflow.invariant"(%54, %5#1) : (i1, index) -> index
+// CHECK-NEXT: %54 = "arith.cmpi"(%52, %53) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %55:2 = "dataflow.demux"(%54, %51) : (i1, none) -> (none, none)
+// CHECK-NEXT: %56:2 = "dataflow.gate"(%54, %51) : (i1, none) -> (i1, none)
+// CHECK-NEXT: %57:2 = "dataflow.demux"(%56#0, %56#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %58:2 = "dataflow.demux"(%54, %52) : (i1, index) -> (index, index)
+// CHECK-NEXT: %59 = "dataflow.invariant"(%54, %6#1) : (i1, index) -> index
+// CHECK-NEXT: %60:2 = "dataflow.gate"(%54, %59) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %61:2 = "dataflow.demux"(%60#0, %60#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %62 = "arith.addi"(%58#1, %60#1) <{overflowFlags = #arith.overflow<none>}> : (index, index) -> index
+// CHECK-NEXT: %63:2 = "dataflow.demux"(%56#0, %56#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %64:3 = "dataflow.sync"(%63#0, %57#0, %61#0) : (none, none, index) -> (none, none, index)
+// CHECK-NEXT: %65 = "dataflow.mux"(%56#0, %64#0, %63#1) : (i1, none, none) -> none
+// CHECK-NEXT: %66 = "dataflow.carry"(%54, %3#1, %65) : (i1, none, none) -> none
+// CHECK-NEXT: %67:2 = "dataflow.demux"(%54, %66) : (i1, none) -> (none, none)
+// CHECK-NEXT: %68:2 = "dataflow.sync"(%55#0, %67#0) : (none, none) -> (none, none)
+// CHECK-NEXT: %69:2 = "dataflow.sync"(%68#0, %4#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %70 = "dataflow.store"(%arg2, %50, %58#0, %69#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %71 = "dataflow.constant"(%3#1) <{const_value = 3 : index}> : (none) -> index
+// CHECK-NEXT: %72 = "dataflow.carry"(%75, %3#1, %77#1) : (i1, none, none) -> none
+// CHECK-NEXT: %73 = "dataflow.carry"(%75, %7#1, %83) : (i1, index, index) -> index
+// CHECK-NEXT: %74 = "dataflow.invariant"(%75, %5#1) : (i1, index) -> index
+// CHECK-NEXT: %75 = "arith.cmpi"(%73, %74) <{predicate = 2 : i64}> : (index, index) -> i1
+// CHECK-NEXT: %76:2 = "dataflow.demux"(%75, %72) : (i1, none) -> (none, none)
+// CHECK-NEXT: %77:2 = "dataflow.gate"(%75, %72) : (i1, none) -> (i1, none)
+// CHECK-NEXT: %78:2 = "dataflow.demux"(%77#0, %77#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %79:2 = "dataflow.demux"(%75, %73) : (i1, index) -> (index, index)
+// CHECK-NEXT: %80 = "dataflow.invariant"(%75, %6#1) : (i1, index) -> index
+// CHECK-NEXT: %81:2 = "dataflow.gate"(%75, %80) : (i1, index) -> (i1, index)
+// CHECK-NEXT: %82:2 = "dataflow.demux"(%81#0, %81#1) : (i1, index) -> (index, index)
+// CHECK-NEXT: %83 = "arith.addi"(%79#1, %81#1) <{overflowFlags = #arith.overflow<none>}> : (index, index) -> index
+// CHECK-NEXT: %84:2 = "dataflow.demux"(%77#0, %77#1) : (i1, none) -> (none, none)
+// CHECK-NEXT: %85:3 = "dataflow.sync"(%84#0, %78#0, %82#0) : (none, none, index) -> (none, none, index)
+// CHECK-NEXT: %86 = "dataflow.mux"(%77#0, %85#0, %84#1) : (i1, none, none) -> none
+// CHECK-NEXT: %87 = "dataflow.carry"(%75, %3#1, %86) : (i1, none, none) -> none
+// CHECK-NEXT: %88:2 = "dataflow.demux"(%75, %87) : (i1, none) -> (none, none)
+// CHECK-NEXT: %89:2 = "dataflow.sync"(%76#0, %88#0) : (none, none) -> (none, none)
+// CHECK-NEXT: %90:2 = "dataflow.sync"(%89#0, %4#1) : (none, none) -> (none, none)
+// CHECK-NEXT: %91 = "dataflow.store"(%arg2, %71, %79#0, %90#0) : (memref<8xindex>, index, index, none) -> none
+// CHECK-NEXT: %92:4 = "dataflow.sync"(%26#0, %47#0, %68#0, %89#0) : (none, none, none, none) -> (none, none, none, none)
+// CHECK-NEXT: %93:4 = "dataflow.sync"(%28, %49, %70, %91) : (none, none, none, none) -> (none, none, none, none)
+// CHECK-NEXT: %94 = "dataflow.mux"(%2, %4#0, %93#0) : (i1, none, none) -> none
+// CHECK-NEXT: %95 = "dataflow.mux"(%2, %3#0, %92#0) : (i1, none, none) -> none
+// CHECK-NEXT: "dataflow.graph.return"(%95, %94) <{operandSegmentSizes = array<i32: 0, 0, 0, 2>}> : (none, none) -> ()
+// CHECK-NEXT: }) : () -> ()
+// CHECK-NEXT: }) : () -> ()
+// CHECK-EMPTY: