| // RUN: %clang_cc1 -emit-llvm %s -o - -DDEFINE_GUID -triple=i386-pc-linux -fms-extensions | FileCheck %s --check-prefix=CHECK-DEFINE-GUID |
| // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-linux -fms-extensions | FileCheck %s |
| // RUN: %clang_cc1 -emit-llvm %s -o - -DDEFINE_GUID -DWRONG_GUID -triple=i386-pc-linux -fms-extensions | FileCheck %s --check-prefix=CHECK-DEFINE-WRONG-GUID |
| |
| #ifdef DEFINE_GUID |
| struct _GUID { |
| #ifdef WRONG_GUID |
| unsigned int SomethingWentWrong; |
| #else |
| unsigned long Data1; |
| unsigned short Data2; |
| unsigned short Data3; |
| unsigned char Data4[8]; |
| #endif |
| }; |
| #endif |
| typedef struct _GUID GUID; |
| |
| struct __declspec(uuid("12345678-1234-1234-1234-1234567890aB")) S1 { } s1; |
| struct __declspec(uuid("87654321-4321-4321-4321-ba0987654321")) S2 { }; |
| struct __declspec(uuid("{12345678-1234-1234-1234-1234567890ac}")) Curly; |
| struct __declspec(uuid("{12345678-1234-1234-1234-1234567890ac}")) Curly; |
| |
| #ifdef DEFINE_GUID |
| // Make sure we can properly generate code when the UUID has curly braces on it. |
| GUID thing = __uuidof(Curly); |
| // CHECK-DEFINE-GUID: @thing = global %struct._GUID zeroinitializer, align 4 |
| // CHECK-DEFINE-WRONG-GUID: @thing = global %struct._GUID zeroinitializer, align 4 |
| |
| // This gets initialized in a static initializer. |
| // CHECK-DEFINE-GUID: @g = global %struct._GUID zeroinitializer, align 4 |
| // CHECK-DEFINE-WRONG-GUID: @g = global %struct._GUID zeroinitializer, align 4 |
| GUID g = __uuidof(S1); |
| #endif |
| |
| // First global use of __uuidof(S1) forces the creation of the global. |
| // CHECK: @_GUID_12345678_1234_1234_1234_1234567890ab = linkonce_odr constant { i32, i16, i16, [8 x i8] } { i32 305419896, i16 4660, i16 4660, [8 x i8] c"\124\124Vx\90\AB" }, comdat |
| // CHECK: @gr = constant %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to %struct._GUID*), align 4 |
| const GUID& gr = __uuidof(S1); |
| |
| // CHECK: @gp = global %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to %struct._GUID*), align 4 |
| const GUID* gp = &__uuidof(S1); |
| |
| // CHECK: @cp = global %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to %struct._GUID*), align 4 |
| const GUID* cp = &__uuidof(Curly); |
| |
| // Special case: _uuidof(0) |
| // CHECK: @zeroiid = constant %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_00000000_0000_0000_0000_000000000000 to %struct._GUID*), align 4 |
| const GUID& zeroiid = __uuidof(0); |
| |
| // __uuidof(S2) hasn't been used globally yet, so it's emitted when it's used |
| // in a function and is emitted at the end of the globals section. |
| // CHECK: @_GUID_87654321_4321_4321_4321_ba0987654321 = linkonce_odr constant { i32, i16, i16, [8 x i8] } { i32 -2023406815, i16 17185, i16 17185, [8 x i8] c"C!\BA\09\87eC!" }, comdat |
| |
| // The static initializer for thing. |
| // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @thing to i8*), i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to i8*), i32 16, i32 4, i1 false) |
| // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @thing to i8*), i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to i8*), i32 4, i32 4, i1 false) |
| |
| // The static initializer for g. |
| // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @g to i8*), i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) |
| // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @g to i8*), i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i32 4, i1 false) |
| |
| #ifdef DEFINE_GUID |
| void fun() { |
| // CHECK-DEFINE-GUID: %s1_1 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-WRONG-GUID: %s1_1 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-GUID: %s1_2 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-WRONG-GUID: %s1_2 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-GUID: %s1_3 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-WRONG-GUID: %s1_3 = alloca %struct._GUID, align 4 |
| |
| // CHECK-DEFINE-GUID: [[U1:%.+]] = bitcast %struct._GUID* %s1_1 to i8* |
| // CHECK-DEFINE-WRONG-GUID: [[U1:%.+]] = bitcast %struct._GUID* %s1_1 to i8* |
| // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U1]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) |
| // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U1]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i32 4, i1 false) |
| GUID s1_1 = __uuidof(S1); |
| |
| // CHECK-DEFINE-GUID: [[U2:%.+]] = bitcast %struct._GUID* %s1_2 to i8* |
| // CHECK-DEFINE-WRONG-GUID: [[U2:%.+]] = bitcast %struct._GUID* %s1_2 to i8* |
| // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U2]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) |
| // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U2]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i32 4, i1 false) |
| GUID s1_2 = __uuidof(S1); |
| |
| // CHECK-DEFINE-GUID: [[U3:%.+]] = bitcast %struct._GUID* %s1_3 to i8* |
| // CHECK-DEFINE-WRONG-GUID: [[U3:%.+]] = bitcast %struct._GUID* %s1_3 to i8* |
| // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U3]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) |
| // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U3]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i32 4, i1 false) |
| GUID s1_3 = __uuidof(s1); |
| } |
| #endif |
| |
| void gun() { |
| #ifdef DEFINE_GUID |
| // CHECK-DEFINE-GUID: %s2_1 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-WRONG-GUID: %s2_1 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-GUID: %s2_2 = alloca %struct._GUID, align 4 |
| // CHECK-DEFINE-WRONG-GUID: %s2_2 = alloca %struct._GUID, align 4 |
| GUID s2_1 = __uuidof(S2); |
| GUID s2_2 = __uuidof(S2); |
| #endif |
| // CHECK: %r = alloca %struct._GUID*, align 4 |
| // CHECK: %p = alloca %struct._GUID*, align 4 |
| // CHECK: %zeroiid = alloca %struct._GUID*, align 4 |
| |
| // CHECK: store %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_87654321_4321_4321_4321_ba0987654321 to %struct._GUID*), %struct._GUID** %r, align 4 |
| const GUID& r = __uuidof(S2); |
| // CHECK: store %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_87654321_4321_4321_4321_ba0987654321 to %struct._GUID*), %struct._GUID** %p, align 4 |
| const GUID* p = &__uuidof(S2); |
| |
| // Special case _uuidof(0), local scope version. |
| // CHECK: store %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_00000000_0000_0000_0000_000000000000 to %struct._GUID*), %struct._GUID** %zeroiid, align 4 |
| const GUID& zeroiid = __uuidof(0); |
| } |