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Split out async fn and generator test

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This keeps FileCheck from tripping over unimportant differences in
codegen.
This commit is contained in:
Tyler Mandry 2020-06-24 14:17:31 -07:00
parent fe3df646fe
commit 887fbd9d34
4 changed files with 102 additions and 72 deletions
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51
src/test/codegen/async-fn-debug.rs Normal file
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// Verify debuginfo for async fn:
// - Each variant points to the file and line of its yield point
// - The generator types and variants are marked artificial
// - Captured vars from the source are not marked artificial
//
// ignore-tidy-linelength
// compile-flags: -C debuginfo=2 --edition=2018
// ignore-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_structure_type, name: "generator-0", scope: [[ASYNC_FN]], {{.*}}flags: DIFlagArtificial
// CHECK: [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[ASYNC_FN]],
// CHECK-SAME: flags: DIFlagArtificial
// CHECK-SAME: discriminator: [[DISC:![0-9]*]]
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "0", scope: [[VARIANT]],
// CHECK-SAME: file: [[FILE:![0-9]*]], line: 11,
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DICompositeType(tag: DW_TAG_structure_type, name: "Unresumed", scope: [[GEN]],
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]],
// CHECK-SAME: file: [[FILE]], line: 15,
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]],
// CHECK-SAME: file: [[FILE]], line: 15,
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]],
// CHECK-SAME: file: [[FILE]], line: 12,
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]],
// CHECK-SAME: file: [[FILE]], line: 14,
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
// CHECK-NOT: flags: DIFlagArtificial
// CHECK-SAME: )
// CHECK: [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[ASYNC_FN]],
// CHECK-SAME: flags: DIFlagArtificial
fn main() {
let _dummy = async_fn_test();
}