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
diff --git a/test/CodeGenCXX/anonymous-union-member-initializer.cpp b/test/CodeGenCXX/anonymous-union-member-initializer.cpp
index bd816a4..a4da2c0 100644
--- a/test/CodeGenCXX/anonymous-union-member-initializer.cpp
+++ b/test/CodeGenCXX/anonymous-union-member-initializer.cpp
@@ -52,3 +52,29 @@
// 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]]
+}