/
async-fn-debug-msvc.rs
54 lines (50 loc) · 2.11 KB
/
async-fn-debug-msvc.rs
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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 --edition=2018
// only-msvc
async fn foo() {}
async fn async_fn_test() {
foo().await;
let s = String::from("foo");
foo().await;
}
// FIXME: No way to reliably check the filename.
// CHECK-DAG: [[ASYNC_FN:!.*]] = !DINamespace(name: "async_fn_test"
// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-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: 11,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 15,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 15,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 12,
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]],
// CHECK-SAME: file: [[FILE]], line: 14,
// CHECK-SAME: baseType: [[VARIANT:![0-9]*]]
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant$", scope: [[S1]],
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
fn main() {
let _dummy = async_fn_test();
}