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// RUN: mlir-opt -test-print-nesting -allow-unregistered-dialect %s | FileCheck %s
// CHECK: visiting op: 'builtin.module' with 0 operands and 0 results
// CHECK: 1 nested regions:
// CHECK: Region with 1 blocks:
// CHECK: Block with 0 arguments, 0 successors, and 2 operations
module {
// CHECK: visiting op: 'dialect.op1' with 0 operands and 4 results
// CHECK: 1 attributes:
// CHECK: - 'attribute name' : '42 : i32'
// CHECK: 0 nested regions:
%results:4 = "dialect.op1"() { "attribute name" = 42 : i32 } : () -> (i1, i16, i32, i64)
// CHECK: visiting op: 'dialect.op2' with 0 operands and 0 results
// CHECK: 2 nested regions:
"dialect.op2"() ({
// CHECK: Region with 1 blocks:
// CHECK: Block with 0 arguments, 0 successors, and 1 operations
// CHECK: visiting op: 'dialect.innerop1' with 2 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop1"(%results#0, %results#1) : (i1, i16) -> ()
// CHECK: Region with 3 blocks:
},{
// CHECK: Block with 0 arguments, 2 successors, and 2 operations
// CHECK: visiting op: 'dialect.innerop2' with 0 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop2"() : () -> ()
// CHECK: visiting op: 'dialect.innerop3' with 3 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop3"(%results#0, %results#2, %results#3)[^bb1, ^bb2] : (i1, i32, i64) -> ()
// CHECK: Block with 1 arguments, 0 successors, and 2 operations
^bb1(%arg1 : i32):
// CHECK: visiting op: 'dialect.innerop4' with 0 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop4"() : () -> ()
// CHECK: visiting op: 'dialect.innerop5' with 0 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop5"() : () -> ()
// CHECK: Block with 1 arguments, 0 successors, and 2 operations
^bb2(%arg2 : i64):
// CHECK: visiting op: 'dialect.innerop6' with 0 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop6"() : () -> ()
// CHECK: visiting op: 'dialect.innerop7' with 0 operands and 0 results
// CHECK: 0 nested regions:
"dialect.innerop7"() : () -> ()
}) : () -> ()
} // module
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