1 | // RUN: %clang_cc1 -emit-llvm %s -o - -DDEFINE_GUID -triple=i386-pc-linux -fms-extensions | FileCheck %s --check-prefix=CHECK-DEFINE-GUID |
2 | // RUN: %clang_cc1 -emit-llvm %s -o - -DDEFINE_GUID -DBRACKET_ATTRIB -triple=i386-pc-linux -fms-extensions | FileCheck %s --check-prefix=CHECK-DEFINE-GUID |
3 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-linux -fms-extensions | FileCheck %s |
4 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-pc-linux -fms-extensions | FileCheck %s --check-prefix=CHECK-64 |
5 | // 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 |
6 | |
7 | #ifdef DEFINE_GUID |
8 | struct _GUID { |
9 | #ifdef WRONG_GUID |
10 | unsigned int SomethingWentWrong; |
11 | #else |
12 | unsigned long Data1; |
13 | unsigned short Data2; |
14 | unsigned short Data3; |
15 | unsigned char Data4[8]; |
16 | #endif |
17 | }; |
18 | #endif |
19 | typedef struct _GUID GUID; |
20 | |
21 | #ifdef BRACKET_ATTRIB |
22 | [uuid(12345678-1234-1234-1234-1234567890aB)] struct S1 { } s1; |
23 | [uuid(87654321-4321-4321-4321-ba0987654321)] struct S2 { }; |
24 | [uuid({12345678-1234-1234-1234-1234567890ac})] struct Curly; |
25 | [uuid({12345678-1234-1234-1234-1234567890ac})] struct Curly; |
26 | #else |
27 | struct __declspec(uuid("12345678-1234-1234-1234-1234567890aB")) S1 { } s1; |
28 | struct __declspec(uuid("87654321-4321-4321-4321-ba0987654321")) S2 { }; |
29 | struct __declspec(uuid("{12345678-1234-1234-1234-1234567890ac}")) Curly; |
30 | struct __declspec(uuid("{12345678-1234-1234-1234-1234567890ac}")) Curly; |
31 | #endif |
32 | |
33 | #ifdef DEFINE_GUID |
34 | // Make sure we can properly generate code when the UUID has curly braces on it. |
35 | GUID thing = __uuidof(Curly); |
36 | // CHECK-DEFINE-GUID: @thing = global %struct._GUID zeroinitializer, align 4 |
37 | // CHECK-DEFINE-WRONG-GUID: @thing = global %struct._GUID zeroinitializer, align 4 |
38 | |
39 | // This gets initialized in a static initializer. |
40 | // CHECK-DEFINE-GUID: @g = global %struct._GUID zeroinitializer, align 4 |
41 | // CHECK-DEFINE-WRONG-GUID: @g = global %struct._GUID zeroinitializer, align 4 |
42 | GUID g = __uuidof(S1); |
43 | #endif |
44 | |
45 | // First global use of __uuidof(S1) forces the creation of the global. |
46 | // 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 |
47 | // CHECK: @gr = constant %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to %struct._GUID*), align 4 |
48 | // CHECK-64: @gr = constant %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to %struct._GUID*), align 8 |
49 | const GUID& gr = __uuidof(S1); |
50 | |
51 | // CHECK: @gp = global %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to %struct._GUID*), align 4 |
52 | const GUID* gp = &__uuidof(S1); |
53 | |
54 | // CHECK: @cp = global %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to %struct._GUID*), align 4 |
55 | const GUID* cp = &__uuidof(Curly); |
56 | |
57 | // Special case: _uuidof(0) |
58 | // CHECK: @zeroiid = constant %struct._GUID* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_00000000_0000_0000_0000_000000000000 to %struct._GUID*), align 4 |
59 | const GUID& zeroiid = __uuidof(0); |
60 | |
61 | // __uuidof(S2) hasn't been used globally yet, so it's emitted when it's used |
62 | // in a function and is emitted at the end of the globals section. |
63 | // 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 |
64 | |
65 | // The static initializer for thing. |
66 | // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct._GUID* @thing to i8*), i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to i8*), i32 16, i1 false) |
67 | // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct._GUID* @thing to i8*), i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ac to i8*), i32 4, i1 false) |
68 | |
69 | // The static initializer for g. |
70 | // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct._GUID* @g to i8*), i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i1 false) |
71 | // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct._GUID* @g to i8*), i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i1 false) |
72 | |
73 | #ifdef DEFINE_GUID |
74 | void fun() { |
75 | // CHECK-DEFINE-GUID: %s1_1 = alloca %struct._GUID, align 4 |
76 | // CHECK-DEFINE-WRONG-GUID: %s1_1 = alloca %struct._GUID, align 4 |
77 | // CHECK-DEFINE-GUID: %s1_2 = alloca %struct._GUID, align 4 |
78 | // CHECK-DEFINE-WRONG-GUID: %s1_2 = alloca %struct._GUID, align 4 |
79 | // CHECK-DEFINE-GUID: %s1_3 = alloca %struct._GUID, align 4 |
80 | // CHECK-DEFINE-WRONG-GUID: %s1_3 = alloca %struct._GUID, align 4 |
81 | |
82 | // CHECK-DEFINE-GUID: [[U1:%.+]] = bitcast %struct._GUID* %s1_1 to i8* |
83 | // CHECK-DEFINE-WRONG-GUID: [[U1:%.+]] = bitcast %struct._GUID* %s1_1 to i8* |
84 | // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U1]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i1 false) |
85 | // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U1]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i1 false) |
86 | GUID s1_1 = __uuidof(S1); |
87 | |
88 | // CHECK-DEFINE-GUID: [[U2:%.+]] = bitcast %struct._GUID* %s1_2 to i8* |
89 | // CHECK-DEFINE-WRONG-GUID: [[U2:%.+]] = bitcast %struct._GUID* %s1_2 to i8* |
90 | // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U2]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i1 false) |
91 | // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U2]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i1 false) |
92 | GUID s1_2 = __uuidof(S1); |
93 | |
94 | // CHECK-DEFINE-GUID: [[U3:%.+]] = bitcast %struct._GUID* %s1_3 to i8* |
95 | // CHECK-DEFINE-WRONG-GUID: [[U3:%.+]] = bitcast %struct._GUID* %s1_3 to i8* |
96 | // CHECK-DEFINE-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U3]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i1 false) |
97 | // CHECK-DEFINE-WRONG-GUID: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[U3]], i8* align 4 bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 4, i1 false) |
98 | GUID s1_3 = __uuidof(s1); |
99 | } |
100 | #endif |
101 | |
102 | void gun() { |
103 | #ifdef DEFINE_GUID |
104 | // CHECK-DEFINE-GUID: %s2_1 = alloca %struct._GUID, align 4 |
105 | // CHECK-DEFINE-WRONG-GUID: %s2_1 = alloca %struct._GUID, align 4 |
106 | // CHECK-DEFINE-GUID: %s2_2 = alloca %struct._GUID, align 4 |
107 | // CHECK-DEFINE-WRONG-GUID: %s2_2 = alloca %struct._GUID, align 4 |
108 | GUID s2_1 = __uuidof(S2); |
109 | GUID s2_2 = __uuidof(S2); |
110 | #endif |
111 | // CHECK: %r = alloca %struct._GUID*, align 4 |
112 | // CHECK: %p = alloca %struct._GUID*, align 4 |
113 | // CHECK: %zeroiid = alloca %struct._GUID*, align 4 |
114 | |
115 | // 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 |
116 | const GUID& r = __uuidof(S2); |
117 | // 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 |
118 | const GUID* p = &__uuidof(S2); |
119 | |
120 | // Special case _uuidof(0), local scope version. |
121 | // 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 |
122 | const GUID& zeroiid = __uuidof(0); |
123 | } |
124 | |