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| author | Tyler Mandry <tmandry@gmail.com> | 2020-06-18 16:17:25 -0700 |
|---|---|---|
| committer | Tyler Mandry <tmandry@gmail.com> | 2020-06-24 14:53:29 -0700 |
| commit | 367858aedc1e1dbee5560676c00618a386ed8e37 (patch) | |
| tree | 53f8b97cbb6ba53605db170d15f4f25aa7e1f4db /src/test/codegen | |
| parent | eb726c0fcec3f9d12a6a9990c5c041478e1e7187 (diff) | |
| download | rust-367858aedc1e1dbee5560676c00618a386ed8e37.tar.gz rust-367858aedc1e1dbee5560676c00618a386ed8e37.zip | |
Add test for generator debuginfo
Diffstat (limited to 'src/test/codegen')
| -rw-r--r-- | src/test/codegen/generator-debug.rs | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/codegen/generator-debug.rs b/src/test/codegen/generator-debug.rs new file mode 100644 index 00000000000..3007099393f --- /dev/null +++ b/src/test/codegen/generator-debug.rs @@ -0,0 +1,94 @@ +// Verify debuginfo for generators: +// - 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 + +#![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; + } +} + +async fn foo() {} +async fn async_fn_test() { + foo().await; + let s = String::from("foo"); + foo().await; +} + +// FIXME: We need "checksum" to prevent matching with the wrong (duplicate) file +// metadata, even when -C codegen-units=1. +// CHECK: [[FILE:!.*]] = !DIFile(filename: "{{.*}}/generator-debug.rs", {{.*}}, checksum: + +// CHECK: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[FN:![0-9]*]], +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: [[FN]] = !DINamespace(name: "generator_test" +// CHECK: [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[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]], line: 13, +// 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: 17, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 17, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 14, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 16, +// 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: [[FN]], +// CHECK-SAME: flags: DIFlagArtificial + +// CHECK: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[FN:![0-9]*]], +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: [[FN]] = !DINamespace(name: "async_fn_test" +// CHECK: [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[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]], line: 21, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 25, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 25, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 22, +// CHECK-SAME: flags: DIFlagArtificial +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]], +// CHECK-SAME: file: [[FILE]], line: 24, +// 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: [[FN]], +// CHECK-SAME: flags: DIFlagArtificial + +fn main() { + let _dummy = generator_test(); + let _dummy = async_fn_test(); +} |