forked from OSchip/llvm-project
312 lines
9.6 KiB
MLIR
312 lines
9.6 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect -split-input-file -test-legalize-patterns -verify-diagnostics %s | FileCheck %s
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// CHECK-LABEL: verifyDirectPattern
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func @verifyDirectPattern() -> i32 {
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// CHECK-NEXT: "test.legal_op_a"() {status = "Success"}
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%result = "test.illegal_op_a"() : () -> (i32)
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return %result : i32
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}
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// CHECK-LABEL: verifyLargerBenefit
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func @verifyLargerBenefit() -> i32 {
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// CHECK-NEXT: "test.legal_op_a"() {status = "Success"}
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%result = "test.illegal_op_c"() : () -> (i32)
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return %result : i32
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}
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// CHECK-LABEL: func private @remap_input_1_to_0()
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func private @remap_input_1_to_0(i16)
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// CHECK-LABEL: func @remap_input_1_to_1(%arg0: f64)
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func @remap_input_1_to_1(%arg0: i64) {
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// CHECK-NEXT: "test.valid"{{.*}} : (f64)
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"test.invalid"(%arg0) : (i64) -> ()
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}
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// CHECK-LABEL: func @remap_call_1_to_1(%arg0: f64)
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func @remap_call_1_to_1(%arg0: i64) {
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// CHECK-NEXT: call @remap_input_1_to_1(%arg0) : (f64) -> ()
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// expected-remark@+1 {{op 'std.call' is not legalizable}}
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call @remap_input_1_to_1(%arg0) : (i64) -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: func @remap_input_1_to_N({{.*}}f16, {{.*}}f16)
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func @remap_input_1_to_N(%arg0: f32) -> f32 {
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// CHECK-NEXT: [[CAST:%.*]] = "test.cast"(%arg0, %arg1) : (f16, f16) -> f32
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// CHECK-NEXT: "test.return"{{.*}} : (f16, f16) -> ()
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"test.return"(%arg0) : (f32) -> ()
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}
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// CHECK-LABEL: func @remap_input_1_to_N_remaining_use(%arg0: f16, %arg1: f16)
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func @remap_input_1_to_N_remaining_use(%arg0: f32) {
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// CHECK-NEXT: [[CAST:%.*]] = "test.cast"(%arg0, %arg1) : (f16, f16) -> f32
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// CHECK-NEXT: "work"([[CAST]]) : (f32) -> ()
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// expected-remark@+1 {{op 'work' is not legalizable}}
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"work"(%arg0) : (f32) -> ()
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}
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// CHECK-LABEL: func @remap_materialize_1_to_1(%{{.*}}: i43)
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func @remap_materialize_1_to_1(%arg0: i42) {
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// CHECK: %[[V:.*]] = "test.cast"(%arg0) : (i43) -> i42
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// CHECK: "test.return"(%[[V]])
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"test.return"(%arg0) : (i42) -> ()
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}
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// CHECK-LABEL: func @remap_input_to_self
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func @remap_input_to_self(%arg0: index) {
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// CHECK-NOT: test.cast
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// CHECK: "work"
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// expected-remark@+1 {{op 'work' is not legalizable}}
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"work"(%arg0) : (index) -> ()
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}
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// CHECK-LABEL: func @remap_multi(%arg0: f64, %arg1: f64) -> (f64, f64)
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func @remap_multi(%arg0: i64, %unused: i16, %arg1: i64) -> (i64, i64) {
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// CHECK-NEXT: "test.valid"{{.*}} : (f64, f64)
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"test.invalid"(%arg0, %arg1) : (i64, i64) -> ()
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}
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// CHECK-LABEL: func @no_remap_nested
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func @no_remap_nested() {
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// CHECK-NEXT: "foo.region"
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// expected-remark@+1 {{op 'foo.region' is not legalizable}}
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"foo.region"() ({
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// CHECK-NEXT: ^bb0(%{{.*}}: i64, %{{.*}}: i16, %{{.*}}: i64):
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^bb0(%i0: i64, %unused: i16, %i1: i64):
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// CHECK-NEXT: "test.valid"{{.*}} : (i64, i64)
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"test.invalid"(%i0, %i1) : (i64, i64) -> ()
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}) : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: func @remap_moved_region_args
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func @remap_moved_region_args() {
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// CHECK-NEXT: return
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// CHECK-NEXT: ^bb1(%{{.*}}: f64, %{{.*}}: f64, %{{.*}}: f16, %{{.*}}: f16):
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// CHECK-NEXT: "test.cast"{{.*}} : (f16, f16) -> f32
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// CHECK-NEXT: "test.valid"{{.*}} : (f64, f64, f32)
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"test.region"() ({
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^bb1(%i0: i64, %unused: i16, %i1: i64, %2: f32):
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"test.invalid"(%i0, %i1, %2) : (i64, i64, f32) -> ()
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}) : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: func @remap_cloned_region_args
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func @remap_cloned_region_args() {
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// CHECK-NEXT: return
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// CHECK-NEXT: ^bb1(%{{.*}}: f64, %{{.*}}: f64, %{{.*}}: f16, %{{.*}}: f16):
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// CHECK-NEXT: "test.cast"{{.*}} : (f16, f16) -> f32
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// CHECK-NEXT: "test.valid"{{.*}} : (f64, f64, f32)
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"test.region"() ({
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^bb1(%i0: i64, %unused: i16, %i1: i64, %2: f32):
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"test.invalid"(%i0, %i1, %2) : (i64, i64, f32) -> ()
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}) {legalizer.should_clone} : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: func @remap_drop_region
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func @remap_drop_region() {
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// CHECK-NEXT: return
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// CHECK-NEXT: }
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"test.drop_region_op"() ({
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^bb1(%i0: i64, %unused: i16, %i1: i64, %2: f32):
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"test.invalid"(%i0, %i1, %2) : (i64, i64, f32) -> ()
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}) : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: func @dropped_input_in_use
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func @dropped_input_in_use(%arg: i16, %arg2: i64) {
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// CHECK-NEXT: "test.cast"{{.*}} : () -> i16
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// CHECK-NEXT: "work"{{.*}} : (i16)
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// expected-remark@+1 {{op 'work' is not legalizable}}
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"work"(%arg) : (i16) -> ()
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}
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// CHECK-LABEL: func @up_to_date_replacement
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func @up_to_date_replacement(%arg: i8) -> i8 {
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// CHECK-NEXT: return
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%repl_1 = "test.rewrite"(%arg) : (i8) -> i8
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%repl_2 = "test.rewrite"(%repl_1) : (i8) -> i8
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return %repl_2 : i8
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}
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// CHECK-LABEL: func @remove_foldable_op
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// CHECK-SAME: (%[[ARG_0:[a-z0-9]*]]: i32)
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func @remove_foldable_op(%arg0 : i32) -> (i32) {
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// CHECK-NEXT: return %[[ARG_0]]
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%0 = "test.op_with_region_fold"(%arg0) ({
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"foo.op_with_region_terminator"() : () -> ()
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}) : (i32) -> (i32)
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return %0 : i32
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}
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// CHECK-LABEL: @create_block
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func @create_block() {
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// Check that we created a block with arguments.
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// CHECK-NOT: test.create_block
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// CHECK: ^{{.*}}(%{{.*}}: i32, %{{.*}}: i32):
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"test.create_block"() : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// CHECK-LABEL: @bounded_recursion
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func @bounded_recursion() {
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// CHECK: test.recursive_rewrite 0
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test.recursive_rewrite 3
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// -----
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// expected-remark@+1 {{applyPartialConversion failed}}
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builtin.module {
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func @fail_to_convert_illegal_op() -> i32 {
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// expected-error@+1 {{failed to legalize operation 'test.illegal_op_f'}}
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%result = "test.illegal_op_f"() : () -> (i32)
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return %result : i32
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}
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}
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// -----
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// expected-remark@+1 {{applyPartialConversion failed}}
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builtin.module {
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func @fail_to_convert_illegal_op_in_region() {
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// expected-error@+1 {{failed to legalize operation 'test.region_builder'}}
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"test.region_builder"() : () -> ()
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return
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}
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}
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// -----
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// Check that the entry block arguments of a region are untouched in the case
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// of failure.
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// expected-remark@+1 {{applyPartialConversion failed}}
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builtin.module {
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func @fail_to_convert_region() {
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// CHECK: "test.region"
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// CHECK-NEXT: ^bb{{.*}}(%{{.*}}: i64):
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"test.region"() ({
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^bb1(%i0: i64):
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// expected-error@+1 {{failed to legalize operation 'test.region_builder'}}
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"test.region_builder"() : () -> ()
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"test.valid"() : () -> ()
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}) : () -> ()
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return
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}
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}
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// -----
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// CHECK-LABEL: @create_illegal_block
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func @create_illegal_block() {
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// Check that we can undo block creation, i.e. that the block was removed.
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// CHECK: test.create_illegal_block
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// CHECK-NOT: ^{{.*}}(%{{.*}}: i32, %{{.*}}: i32):
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// expected-remark@+1 {{op 'test.create_illegal_block' is not legalizable}}
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"test.create_illegal_block"() : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// -----
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// CHECK-LABEL: @undo_block_arg_replace
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func @undo_block_arg_replace() {
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// expected-remark@+1 {{op 'test.undo_block_arg_replace' is not legalizable}}
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"test.undo_block_arg_replace"() ({
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^bb0(%arg0: i32):
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// CHECK: ^bb0(%[[ARG:.*]]: i32):
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// CHECK-NEXT: "test.return"(%[[ARG]]) : (i32)
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"test.return"(%arg0) : (i32) -> ()
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}) : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// -----
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// The op in this function is rewritten to itself (and thus remains illegal) by
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// a pattern that removes its second block after adding an operation into it.
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// Check that we can undo block removal successfully.
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// CHECK-LABEL: @undo_block_erase
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func @undo_block_erase() {
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// CHECK: test.undo_block_erase
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"test.undo_block_erase"() ({
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// expected-remark@-1 {{not legalizable}}
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// CHECK: "unregistered.return"()[^[[BB:.*]]]
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"unregistered.return"()[^bb1] : () -> ()
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// expected-remark@-1 {{not legalizable}}
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// CHECK: ^[[BB]]
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^bb1:
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// CHECK: unregistered.return
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"unregistered.return"() : () -> ()
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// expected-remark@-1 {{not legalizable}}
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}) : () -> ()
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}
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// -----
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// The op in this function is attempted to be rewritten to another illegal op
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// with an attached region containing an invalid terminator. The terminator is
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// created before the parent op. The deletion should not crash when deleting
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// created ops in the inverse order, i.e. deleting the parent op and then the
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// child op.
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// CHECK-LABEL: @undo_child_created_before_parent
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func @undo_child_created_before_parent() {
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// expected-remark@+1 {{is not legalizable}}
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"test.illegal_op_with_region_anchor"() : () -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// -----
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// Check that a conversion pattern on `test.blackhole` can mark the producer
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// for deletion.
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// CHECK-LABEL: @blackhole
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func @blackhole() {
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%input = "test.blackhole_producer"() : () -> (i32)
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"test.blackhole"(%input) : (i32) -> ()
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// expected-remark@+1 {{op 'std.return' is not legalizable}}
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return
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}
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// -----
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// expected-remark@+1 {{applyPartialConversion failed}}
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builtin.module {
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func @create_unregistered_op_in_pattern() -> i32 {
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// expected-error@+1 {{failed to legalize operation 'test.illegal_op_g'}}
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%0 = "test.illegal_op_g"() : () -> (i32)
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"test.return"(%0) : (i32) -> ()
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}
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}
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