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// RUN: mlir-opt -allow-unregistered-dialect -test-legalize-patterns="test-legalize-mode=full" -split-input-file -verify-diagnostics %s | FileCheck %s
// CHECK-LABEL: func @multi_level_mapping
func.func @multi_level_mapping() {
// CHECK: "test.type_producer"() : () -> f64
// CHECK: "test.type_consumer"(%{{.*}}) : (f64) -> ()
%result = "test.type_producer"() : () -> i32
"test.type_consumer"(%result) : (i32) -> ()
"test.return"() : () -> ()
}
// Test that operations that are erased don't need to be legalized.
// CHECK-LABEL: func @dropped_region_with_illegal_ops
func.func @dropped_region_with_illegal_ops() {
// CHECK-NEXT: test.return
"test.drop_region_op"() ({
%ignored = "test.illegal_op_f"() : () -> (i32)
"test.return"() : () -> ()
}) : () -> ()
"test.return"() : () -> ()
}
// CHECK-LABEL: func @replace_non_root_illegal_op
func.func @replace_non_root_illegal_op() {
// CHECK-NEXT: "test.legal_op_b"
// CHECK-NEXT: test.return
%result = "test.replace_non_root"() : () -> (i32)
"test.return"() : () -> ()
}
// -----
// Test that children of recursively legal operations are ignored.
func.func @recursively_legal_invalid_op() {
/// Operation that is statically legal.
builtin.module attributes {test.recursively_legal} {
%ignored = "test.illegal_op_f"() : () -> (i32)
}
/// Operation that is dynamically legal, i.e. the function has a pattern
/// applied to legalize the argument type before it becomes recursively legal.
builtin.module {
func.func @dynamic_func(%arg: i64) attributes {test.recursively_legal} {
%ignored = "test.illegal_op_f"() : () -> (i32)
"test.return"() : () -> ()
}
}
"test.return"() : () -> ()
}
// -----
// expected-remark@+1 {{applyFullConversion failed}}
builtin.module {
// Test that region cloning can be properly undone.
func.func @test_undo_region_clone() {
"test.region"() ({
^bb1(%i0: i64):
"test.invalid"(%i0) : (i64) -> ()
}) {legalizer.should_clone} : () -> ()
// expected-error@+1 {{failed to legalize operation 'test.illegal_op_f'}}
%ignored = "test.illegal_op_f"() : () -> (i32)
"test.return"() : () -> ()
}
}
// -----
// expected-remark@+1 {{applyFullConversion failed}}
builtin.module {
// Test that unknown operations can be dynamically legal.
func.func @test_unknown_dynamically_legal() {
"foo.unknown_op"() {test.dynamically_legal} : () -> ()
// expected-error@+1 {{failed to legalize operation 'foo.unknown_op'}}
"foo.unknown_op"() {} : () -> ()
"test.return"() : () -> ()
}
}
// -----
// expected-remark@+1 {{applyFullConversion failed}}
builtin.module {
// Test that region inlining can be properly undone.
func.func @test_undo_region_inline() {
"test.region"() ({
^bb1(%i0: i64):
// expected-error@+1 {{failed to legalize operation 'cf.br'}}
cf.br ^bb2(%i0 : i64)
^bb2(%i1: i64):
"test.invalid"(%i1) : (i64) -> ()
}) {} : () -> ()
"test.return"() : () -> ()
}
}
// -----
// expected-remark@+1 {{applyFullConversion failed}}
builtin.module {
// Test that multiple block erases can be properly undone.
func.func @test_undo_block_erase() {
// expected-error@+1 {{failed to legalize operation 'test.region'}}
"test.region"() ({
^bb1(%i0: i64):
cf.br ^bb3(%i0 : i64)
^bb2(%i1: i64):
"test.invalid"(%i1) : (i64) -> ()
^bb3(%i2: i64):
cf.br ^bb2(%i2 : i64)
}) {legalizer.should_clone, legalizer.erase_old_blocks} : () -> ()
"test.return"() : () -> ()
}
}
// -----
// expected-remark@+1 {{applyFullConversion failed}}
builtin.module {
func.func @create_unregistered_op_in_pattern() -> i32 {
// expected-error@+1 {{failed to legalize operation 'test.illegal_op_g'}}
%0 = "test.illegal_op_g"() : () -> (i32)
"test.return"(%0) : (i32) -> ()
}
}
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