mirror of https://github.com/rust-lang/rust
60 lines
2.4 KiB
Rust
60 lines
2.4 KiB
Rust
// Verify debuginfo for coroutines:
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// - Each variant points to the file and line of its yield point
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// - The discriminants are marked artificial
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// - Other fields are not marked artificial
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//
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//
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//@ compile-flags: -C debuginfo=2
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//@ only-msvc
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#![feature(coroutines, coroutine_trait)]
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use std::ops::Coroutine;
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fn coroutine_test() -> impl Coroutine<Yield = i32, Return = ()> {
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#[coroutine] || {
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yield 0;
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let s = String::from("foo");
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yield 1;
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}
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}
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// FIXME: No way to reliably check the filename.
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// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "enum2$<coroutine_debug_msvc::coroutine_test::coroutine_env$0>"
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", 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: 14,
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 18,
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 18,
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 15,
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]],
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// CHECK-SAME: file: [[FILE]], line: 17,
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// CHECK-SAME: baseType: [[VARIANT_WRAPPER:![0-9]*]]
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: [[VARIANT_WRAPPER]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Variant4", scope: [[GEN]],
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// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "value", scope: [[VARIANT_WRAPPER]], {{.*}}, baseType: [[VARIANT:![0-9]*]],
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// CHECK: [[VARIANT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[VARIANT]]
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// CHECK-NOT: flags: DIFlagArtificial
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// CHECK-SAME: )
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// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "tag", scope: [[GEN]],
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// CHECK-NOT: flags: DIFlagArtificial
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fn main() {
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let _dummy = coroutine_test();
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}
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