diff options
Diffstat (limited to 'test/CodeGenCXX/debug-info-anon-union-vars.cpp')
| -rw-r--r-- | test/CodeGenCXX/debug-info-anon-union-vars.cpp | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/test/CodeGenCXX/debug-info-anon-union-vars.cpp b/test/CodeGenCXX/debug-info-anon-union-vars.cpp index ad3b6d4..5b0370e 100644 --- a/test/CodeGenCXX/debug-info-anon-union-vars.cpp +++ b/test/CodeGenCXX/debug-info-anon-union-vars.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -emit-llvm -gdwarf-4 -triple x86_64-linux-gnu %s -o - | FileCheck %s +// RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -triple x86_64-linux-gnu %s -o - | FileCheck %s // Make sure that we emit a global variable for each of the members of the // anonymous union. @@ -29,13 +29,30 @@ void foo() { i = 8; } +// A funky reinterpret cast idiom that we used to crash on. +template <class T> +unsigned char *buildBytes(const T v) { + static union { + unsigned char result[sizeof(T)]; + T value; + }; + value = v; + return result; +} + +void instantiate(int x) { + buildBytes(x); +} + // CHECK: [[FILE:.*]] = !DIFile(filename: "{{.*}}debug-info-anon-union-vars.cpp", // CHECK: !DIGlobalVariable(name: "c",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "d",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "a",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "b",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true -// CHECK: !DILocalVariable(tag: DW_TAG_auto_variable, name: "i", {{.*}}, flags: DIFlagArtificial -// CHECK: !DILocalVariable(tag: DW_TAG_auto_variable, name: "c", {{.*}}, flags: DIFlagArtificial +// CHECK: !DIGlobalVariable(name: "result", {{.*}} isLocal: false, isDefinition: true +// CHECK: !DIGlobalVariable(name: "value", {{.*}} isLocal: false, isDefinition: true +// CHECK: !DILocalVariable(name: "i", {{.*}}, flags: DIFlagArtificial +// CHECK: !DILocalVariable(name: "c", {{.*}}, flags: DIFlagArtificial // CHECK: !DILocalVariable( // CHECK-NOT: name: // CHECK: type: ![[UNION:[0-9]+]] |
