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// RUN: mlir-opt -allow-unregistered-dialect -mlir-elide-elementsattrs-if-larger=2 -view-op-graph %s -o %t 2>&1 | FileCheck -check-prefix=DFG %s
// RUN: mlir-opt -allow-unregistered-dialect -mlir-elide-elementsattrs-if-larger=2 -view-op-graph='print-data-flow-edges=false print-control-flow-edges=true' %s -o %t 2>&1 | FileCheck -check-prefix=CFG %s
// DFG-LABEL: digraph G {
// DFG: subgraph {{.*}} {
// DFG: subgraph {{.*}}
// DFG: label = "func.func{{.*}}merge_blocks
// DFG: subgraph {{.*}} {
// DFG: v[[ARG0:.*]] [label = "arg0"
// DFG: v[[CONST10:.*]] [label ={{.*}}10 : i32
// DFG: subgraph [[CLUSTER_MERGE_BLOCKS:.*]] {
// DFG: v[[ANCHOR:.*]] [label = " ", shape = plain]
// DFG: label = "test.merge_blocks
// DFG: subgraph {{.*}} {
// DFG: v[[TEST_BR:.*]] [label = "test.br
// DFG: }
// DFG: subgraph {{.*}} {
// DFG: }
// DFG: }
// DFG: v[[TEST_RET:.*]] [label = "test.return
// DFG: v[[ARG0]] -> v[[TEST_BR]]
// DFG: v[[CONST10]] -> v[[TEST_BR]]
// DFG: v[[ANCHOR]] -> v[[TEST_RET]] [{{.*}}, ltail = [[CLUSTER_MERGE_BLOCKS]]]
// DFG: v[[ANCHOR]] -> v[[TEST_RET]] [{{.*}}, ltail = [[CLUSTER_MERGE_BLOCKS]]]
// CFG-LABEL: digraph G {
// CFG: subgraph {{.*}} {
// CFG: subgraph {{.*}}
// CFG: label = "func.func{{.*}}merge_blocks
// CFG: subgraph {{.*}} {
// CFG: v[[C1:.*]] [label = "arith.constant
// CFG: v[[C2:.*]] [label = "arith.constant
// CFG: v[[C3:.*]] [label = "arith.constant
// CFG: v[[C4:.*]] [label = "arith.constant
// CFG: v[[TEST_FUNC:.*]] [label = "test.func
// CFG: subgraph [[CLUSTER_MERGE_BLOCKS:.*]] {
// CFG: v[[ANCHOR:.*]] [label = " ", shape = plain]
// CFG: label = "test.merge_blocks
// CFG: subgraph {{.*}} {
// CFG: v[[TEST_BR:.*]] [label = "test.br
// CFG: }
// CFG: subgraph {{.*}} {
// CFG: }
// CFG: }
// CFG: v[[TEST_RET:.*]] [label = "test.return
// CFG: v[[C1]] -> v[[C2]]
// CFG: v[[C2]] -> v[[C3]]
// CFG: v[[C3]] -> v[[C4]]
// CFG: v[[C4]] -> v[[TEST_FUNC]]
// CFG: v[[TEST_FUNC]] -> v[[ANCHOR]] [{{.*}}, lhead = [[CLUSTER_MERGE_BLOCKS]]]
// CFG: v[[ANCHOR]] -> v[[TEST_RET]] [{{.*}}, ltail = [[CLUSTER_MERGE_BLOCKS]]]
func.func @merge_blocks(%arg0: i32, %arg1 : i32) -> () {
%0 = arith.constant dense<[[0, 1], [2, 3]]> : tensor<2x2xi32>
%1 = arith.constant dense<1> : tensor<5xi32>
%2 = arith.constant dense<[[0, 1]]> : tensor<1x2xi32>
%a = arith.constant 10 : i32
%b = "test.func"() : () -> i32
%3:2 = "test.merge_blocks"() ({
^bb0:
"test.br"(%arg0, %b, %a)[^bb1] : (i32, i32, i32) -> ()
^bb1(%arg3 : i32, %arg4 : i32, %arg5: i32):
"test.return"(%arg3, %arg4) : (i32, i32) -> ()
}) : () -> (i32, i32)
"test.return"(%3#0, %3#1) : (i32, i32) -> ()
}
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