diff options
| author | John McCall <rjmccall@apple.com> | 2010-05-21 01:18:57 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2010-05-21 01:18:57 +0000 |
| commit | a9976d3b192690db20f59dc44099ac4ca939bdb7 (patch) | |
| tree | d803c7b2d650841a32cf0b36c87c68adfd47faaa /test/CodeGenCXX/anonymous-union-member-initializer.cpp | |
| parent | bc365c53606ab90537576cb48d93a54ce3fb0cb5 (diff) | |
When emitting an lvalue for an anonymous struct or union member during
class initialization, drill down through an arbitrary number of anonymous
records.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104310 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/anonymous-union-member-initializer.cpp')
| -rw-r--r-- | test/CodeGenCXX/anonymous-union-member-initializer.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGenCXX/anonymous-union-member-initializer.cpp b/test/CodeGenCXX/anonymous-union-member-initializer.cpp index bd816a4a44..a4da2c04fd 100644 --- a/test/CodeGenCXX/anonymous-union-member-initializer.cpp +++ b/test/CodeGenCXX/anonymous-union-member-initializer.cpp @@ -52,3 +52,29 @@ namespace test2 { // CHECK: store i32 10 // CHECK: } } + +namespace test3 { + struct A { + union { + mutable char fibers[100]; + struct { + void (*callback)(void*); + void *callback_value; + }; + }; + + A(); + }; + + A::A() : callback(0), callback_value(0) {} + // CHECK: define void @ZN5test31AC2Ev( + // CHECK: [[THIS:%.*]] = load + // CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0 + // CHECK-NEXT: [[STRUCT:%.*]] = getelementptr inbounds {{.*}} [[UNION]], i32 0, i32 0 + // CHECK-NEXT: [[CALLBACK:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 0 + // CHECK-NEXT: store void (i8*)* null, void (i8*)** [[CALLBACK]] + // CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0 + // CHECK-NEXT: [[STRUCT:%.*]] = getelementptr inbounds {{.*}} [[UNION]], i32 0, i32 0 + // CHECK-NEXT: [[CVALUE:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 0 + // CHECK-NEXT: store i8* null, void i8** [[CVALUE]] +} |