Add more enum debug info tests

Rename the previous enum debug info test, and add more tests to cover
c-like enums and tagged (ordinary) enums.
This commit is contained in:
Tom Tromey 2018-09-07 10:08:59 -06:00
parent d8b0eb7caf
commit e7c49a738e
3 changed files with 75 additions and 0 deletions

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// 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
// debug info for "c-like" enums is properly emitted.
// 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_enumeration_type,{{.*}}name: "E",{{.*}}flags: DIFlagFixedEnum,{{.*}}
// CHECK: {{.*}}DIEnumerator{{.*}}name: "A",{{.*}}value: {{[0-9].*}}
// CHECK: {{.*}}DIEnumerator{{.*}}name: "B",{{.*}}value: {{[0-9].*}}
// CHECK: {{.*}}DIEnumerator{{.*}}name: "C",{{.*}}value: {{[0-9].*}}
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_assignments)]
enum E { A, B, C }
pub fn main() {
let e = E::C;
}

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// 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
// debug info for tagged (ordinary) enums is properly emitted.
// 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_structure_type,{{.*}}name: "E",{{.*}}
// 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: "__0",{{.*}}
// 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: "__0",{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}flags: DIFlagArtificial{{.*}}
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_assignments)]
enum E { A(u32), B(u32) }
pub fn main() {
let e = E::A(23);
}