49 lines
2 KiB
Rust
49 lines
2 KiB
Rust
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// Verify debuginfo for generators:
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// - Each variant points to the file and line of its yield point
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// - The generator types and variants are marked artificial
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// - Captured vars from the source are not marked artificial
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//
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// ignore-tidy-linelength
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// compile-flags: -C debuginfo=2 --edition=2018
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// only-msvc
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async fn foo() {}
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async fn async_fn_test() {
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foo().await;
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let s = String::from("foo");
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foo().await;
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}
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// FIXME: No way to reliably check the filename.
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// CHECK-DAG: [[ASYNC_FN:!.*]] = !DINamespace(name: "async_fn_test"
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// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-0", scope: [[ASYNC_FN]], {{.*}}flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]],
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// For brevity, we only check the struct name and members of the last variant.
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// CHECK-SAME: file: [[FILE:![0-9]*]], line: 11,
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 15,
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 15,
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 12,
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 14,
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// CHECK-SAME: baseType: [[VARIANT:![0-9]*]]
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[ASYNC_FN]],
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "RUST$ENUM$DISR", scope: [[S1]],
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// CHECK-SAME: flags: DIFlagArtificial
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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fn main() {
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let _dummy = async_fn_test();
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}
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