1 // Verify debuginfo for generators:
2 // - Each variant points to the file and line of its yield point
3 // - The discriminants are marked artificial
4 // - Other fields are not marked artificial
7 // compile-flags: -C debuginfo=2 --edition=2018
10 #![feature(generators, generator_trait)]
11 use std::ops::Generator;
13 fn generator_test() -> impl Generator<Yield = i32, Return = ()> {
16 let s = String::from("foo");
21 // FIXME: No way to reliably check the filename.
23 // CHECK-DAG: [[GEN_FN:!.*]] = !DINamespace(name: "generator_test"
24 // CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "{generator_env#0}", scope: [[GEN_FN]]
25 // CHECK: [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[GEN]],
26 // CHECK-NOT: flags: DIFlagArtificial
27 // CHECK-SAME: discriminator: [[DISC:![0-9]*]]
28 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "0", scope: [[VARIANT]],
29 // CHECK-SAME: file: [[FILE:![0-9]*]], line: 14,
30 // CHECK-NOT: flags: DIFlagArtificial
32 // CHECK: {{!.*}} = !DICompositeType(tag: DW_TAG_structure_type, name: "Unresumed", scope: [[GEN]],
33 // CHECK-NOT: flags: DIFlagArtificial
35 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]],
36 // CHECK-SAME: file: [[FILE]], line: 14,
37 // CHECK-NOT: flags: DIFlagArtificial
39 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]],
40 // CHECK-SAME: file: [[FILE]], line: 14,
41 // CHECK-NOT: flags: DIFlagArtificial
43 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]],
44 // CHECK-SAME: file: [[FILE]], line: 15,
45 // CHECK-NOT: flags: DIFlagArtificial
47 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]],
48 // CHECK-SAME: file: [[FILE]], line: 17,
49 // CHECK-NOT: flags: DIFlagArtificial
51 // CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
52 // CHECK-NOT: flags: DIFlagArtificial
54 // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
55 // CHECK-NOT: flags: DIFlagArtificial
57 // CHECK: [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[GEN]],
58 // CHECK-SAME: flags: DIFlagArtificial
61 let _dummy = generator_test();