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// RUN: mlir-opt -allow-unregistered-dialect %s -split-input-file -verify-diagnostics | FileCheck %s
//===----------------------------------------------------------------------===//
// Test the number of regions
//===----------------------------------------------------------------------===//
func.func @correct_number_of_regions() {
// CHECK: test.two_region_op
"test.two_region_op"()(
{"work"() : () -> ()},
{"work"() : () -> ()}
) : () -> ()
return
}
// -----
func.func @missing_regions() {
// expected-error@+1 {{expected 2 regions}}
"test.two_region_op"()(
{"work"() : () -> ()}
) : () -> ()
return
}
// -----
func.func @extra_regions() {
// expected-error@+1 {{expected 2 regions}}
"test.two_region_op"()(
{"work"() : () -> ()},
{"work"() : () -> ()},
{"work"() : () -> ()}
) : () -> ()
return
}
// -----
//===----------------------------------------------------------------------===//
// Test SizedRegion
//===----------------------------------------------------------------------===//
func.func @unnamed_region_has_wrong_number_of_blocks() {
// expected-error@+1 {{region #1 failed to verify constraint: region with 1 blocks}}
"test.sized_region_op"() (
{
"work"() : () -> ()
cf.br ^next1
^next1:
"work"() : () -> ()
},
{
"work"() : () -> ()
cf.br ^next2
^next2:
"work"() : () -> ()
}) : () -> ()
return
}
// -----
// Test region name in error message
func.func @named_region_has_wrong_number_of_blocks() {
// expected-error@+1 {{region #0 ('my_region') failed to verify constraint: region with 2 blocks}}
"test.sized_region_op"() (
{
"work"() : () -> ()
},
{
"work"() : () -> ()
}) : () -> ()
return
}
// -----
// Region with single block and not terminator.
// CHECK: unregistered_without_terminator
"test.unregistered_without_terminator"() ({
^bb0:
}) : () -> ()
// -----
// CHECK: test.single_no_terminator_op
"test.single_no_terminator_op"() (
{
%foo = arith.constant 1 : i32
}
) : () -> ()
// CHECK: test.variadic_no_terminator_op
"test.variadic_no_terminator_op"() (
{
%foo = arith.constant 1 : i32
},
{
%bar = arith.constant 1 : i32
}
) : () -> ()
// CHECK: test.single_no_terminator_custom_asm_op
// CHECK-NEXT: important_dont_drop
test.single_no_terminator_custom_asm_op {
"important_dont_drop"() : () -> ()
}
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