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* 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) 67 // 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) 68 69 // The static initializer for g. 70 // 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) 71 // 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) 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* [[U1]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) 85 // 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) 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* [[U2]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) 91 // 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) 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* [[U3]], i8* bitcast ({ i32, i16, i16, [8 x i8] }* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false) 97 // 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) 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