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// Verify debuginfo for generators:
// - Each variant points to the file and line of its yield point
// - The discriminants are marked artificial
// - Other fields are not marked artificial
//
//
// compile-flags: -C debuginfo=2
// only-msvc
#![feature(generators, generator_trait)]
use std::ops::Generator;
fn generator_test() -> impl Generator<Yield = i32, Return = ()> {
|| {
yield 0;
let s = String::from("foo");
yield 1;
}
}
// FIXME: No way to reliably check the filename.
// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "enum2$<generator_debug_msvc::generator_test::generator_env$0>"
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", scope: [[GEN]],
// For brevity, we only check the struct name and members of the last variant.
// CHECK-SAME: file: [[FILE:![0-9]*]], line: 14,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 18,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 18,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 15,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 17,
// CHECK-SAME: baseType: [[VARIANT_WRAPPER:![0-9]*]]
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: [[VARIANT_WRAPPER]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Variant4", scope: [[GEN]],
// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "value", scope: [[VARIANT_WRAPPER]], {{.*}}, baseType: [[VARIANT:![0-9]*]],
// CHECK: [[VARIANT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[VARIANT]]
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "tag", scope: [[GEN]],
// CHECK-NOT: flags: DIFlagArtificial
fn main() {
let _dummy = generator_test();
}
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