| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s |
| |
| // rdar://8818236 |
| namespace rdar8818236 { |
| struct S { |
| char c2; |
| union { |
| char c; |
| int i; |
| }; |
| }; |
| |
| // CHECK: @_ZN11rdar88182363fooE = global i64 4 |
| char S::*foo = &S::c; |
| } |
| |
| struct A { |
| union { |
| int a; |
| void* b; |
| }; |
| |
| A() : a(0) { } |
| }; |
| |
| A a; |
| |
| namespace PR7021 { |
| struct X |
| { |
| union { long l; }; |
| }; |
| |
| // CHECK-LABEL: define void @_ZN6PR70211fENS_1XES0_ |
| void f(X x, X z) { |
| X x1; |
| |
| // CHECK: store i64 1, i64 |
| x1.l = 1; |
| |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| X x2(x1); |
| |
| X x3; |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| x3 = x1; |
| |
| // CHECK: ret void |
| } |
| } |
| |
| namespace test2 { |
| struct A { |
| struct { |
| union { |
| int b; |
| }; |
| }; |
| |
| A(); |
| }; |
| |
| A::A() : b(10) { } |
| // CHECK-LABEL: define void @_ZN5test21AC2Ev( |
| // CHECK-NOT: } |
| // CHECK: store i32 10 |
| // CHECK: } |
| } |
| |
| namespace PR10512 { |
| struct A { |
| A(); |
| A(int); |
| A(long); |
| |
| struct { |
| struct {int x;}; |
| struct {int y;}; |
| }; |
| }; |
| |
| // CHECK-LABEL: define void @_ZN7PR105121AC2Ev |
| // CHECK: [[THISADDR:%[a-zA-z0-9.]+]] = alloca [[A:%"struct[A-Za-z0-9:.]+"]] |
| // CHECK-NEXT: store [[A]]* [[THIS:%[a-zA-z0-9.]+]], [[A]]** [[THISADDR]] |
| // CHECK-NEXT: [[THIS1:%[a-zA-z0-9.]+]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK-NEXT: ret void |
| A::A() {} |
| |
| // CHECK-LABEL: define void @_ZN7PR105121AC2Ei |
| // CHECK: [[THISADDR:%[a-zA-z0-9.]+]] = alloca [[A:%"struct[A-Za-z0-9:.]+"]] |
| // CHECK-NEXT: [[XADDR:%[a-zA-z0-9.]+]] = alloca i32 |
| // CHECK-NEXT: store [[A]]* [[THIS:%[a-zA-z0-9.]+]], [[A]]** [[THISADDR]] |
| // CHECK-NEXT: store i32 [[X:%[a-zA-z0-9.]+]], i32* [[XADDR]] |
| // CHECK-NEXT: [[THIS1:%[a-zA-z0-9.]+]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 0}} |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 0}} |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 0}} |
| // CHECK-NEXT: [[TMP:%[a-zA-z0-9.]+]] = load i32, i32* [[XADDR]] |
| // CHECK-NEXT: store i32 [[TMP]] |
| // CHECK-NEXT: ret void |
| A::A(int x) : x(x) { } |
| |
| // CHECK-LABEL: define void @_ZN7PR105121AC2El |
| // CHECK: [[THISADDR:%[a-zA-z0-9.]+]] = alloca [[A:%"struct[A-Za-z0-9:.]+"]] |
| // CHECK-NEXT: [[XADDR:%[a-zA-z0-9.]+]] = alloca i64 |
| // CHECK-NEXT: store [[A]]* [[THIS:%[a-zA-z0-9.]+]], [[A]]** [[THISADDR]] |
| // CHECK-NEXT: store i64 [[X:%[a-zA-z0-9.]+]], i64* [[XADDR]] |
| // CHECK-NEXT: [[THIS1:%[a-zA-z0-9.]+]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 0}} |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 1}} |
| // CHECK-NEXT: {{getelementptr inbounds.*i32 0, i32 0}} |
| // CHECK-NEXT: [[TMP:%[a-zA-z0-9.]+]] = load i64, i64* [[XADDR]] |
| // CHECK-NEXT: [[CONV:%[a-zA-z0-9.]+]] = trunc i64 [[TMP]] to i32 |
| // CHECK-NEXT: store i32 [[CONV]] |
| // CHECK-NEXT: ret void |
| A::A(long y) : y(y) { } |
| } |
| |
| 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-LABEL: define void @_ZN5test31AC2Ev( |
| // CHECK: [[THIS:%.*]] = load |
| // CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[STRUCT:%.*]] = bitcast {{.*}}* [[UNION]] to |
| // CHECK-NEXT: [[CALLBACK:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 0 |
| // CHECK: store |
| // CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[STRUCT:%.*]] = bitcast {{.*}}* [[UNION]] to |
| // CHECK-NEXT: [[CVALUE:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 1 |
| // CHECK-NEXT: store i8* null, i8** [[CVALUE]] |
| } |
| |
| struct S { |
| // CHECK: store i32 42 |
| // CHECK: store i32 55 |
| S() : x(42), y(55) {} |
| union { |
| struct { |
| int x; |
| union { int y; }; |
| }; |
| }; |
| } s; |
| |
| |
| //PR8760 |
| template <typename T> struct Foo { |
| Foo() : ptr(__nullptr) {} |
| union { |
| T *ptr; |
| }; |
| }; |
| Foo<int> f; |
| |
| namespace PR9683 { |
| struct QueueEntry { |
| union { |
| struct { |
| void* mPtr; |
| union { |
| unsigned mSubmissionTag; |
| }; |
| }; |
| unsigned mValue; |
| }; |
| QueueEntry() {} |
| }; |
| QueueEntry QE; |
| } |
| |
| namespace PR13154 { |
| struct IndirectReferenceField { |
| struct { |
| float &x; |
| }; |
| IndirectReferenceField(float &x); |
| }; |
| IndirectReferenceField::IndirectReferenceField(float &xx) : x(xx) {} |
| } |