diff options
Diffstat (limited to 'src/test/codegen/enum-debug-niche.rs')
| -rw-r--r-- | src/test/codegen/enum-debug-niche.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/codegen/enum-debug-niche.rs b/src/test/codegen/enum-debug-niche.rs new file mode 100644 index 00000000000..6326ba93266 --- /dev/null +++ b/src/test/codegen/enum-debug-niche.rs @@ -0,0 +1,42 @@ +// Copyright 2018 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// This test depends on a patch that was committed to upstream LLVM +// before 7.0, then backported to the Rust LLVM fork. It tests that +// optimized enum debug info accurately reflects the enum layout. + +// ignore-tidy-linelength +// ignore-windows +// min-system-llvm-version 7.0 + +// compile-flags: -g -C no-prepopulate-passes + +// CHECK-LABEL: @main +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_variant_part,{{.*}}discriminator:{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "A",{{.*}}extraData:{{.*}} +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "A",{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "B",{{.*}}extraData:{{.*}} +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "B",{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "C",{{.*}}extraData:{{.*}} +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "C",{{.*}} +// CHECK-NOT: {{.*}}DIDerivedType{{.*}}name: "D",{{.*}}extraData:{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "D",{{.*}} +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "D",{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}flags: DIFlagArtificial{{.*}} + +#![allow(dead_code)] +#![allow(unused_variables)] +#![allow(unused_assignments)] + +enum E { A, B, C, D(bool) } + +pub fn main() { + let e = E::D(true); +} |