1 // RUN: %clang_cc1 -triple x86_64-gnu-linux -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LIN,NoNewStructPathTBAA
2 // RUN: %clang_cc1 -triple x86_64-gnu-linux -O3 -disable-llvm-passes -I%S -new-struct-path-tbaa -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LIN,NewStructPathTBAA
3 
4 // RUN: %clang_cc1 -triple x86_64-windows-pc -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WIN,NoNewStructPathTBAA
5 // RUN: %clang_cc1 -triple x86_64-windows-pc -O3 -disable-llvm-passes -I%S -new-struct-path-tbaa -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WIN,NewStructPathTBAA
6 
7 #include <typeinfo>
8 
9 // Ensure that the layout for these structs is the same as the normal bitfield
10 // layouts.
11 struct BitFieldsByte {
12   _ExtInt(7) A : 3;
13   _ExtInt(7) B : 3;
14   _ExtInt(7) C : 2;
15 };
16 // CHECK: %struct.BitFieldsByte = type { i8 }
17 
18 struct BitFieldsShort {
19   _ExtInt(15) A : 3;
20   _ExtInt(15) B : 3;
21   _ExtInt(15) C : 2;
22 };
23 // LIN: %struct.BitFieldsShort = type { i8, i8 }
24 // WIN: %struct.BitFieldsShort = type { i16 }
25 
26 struct BitFieldsInt {
27   _ExtInt(31) A : 3;
28   _ExtInt(31) B : 3;
29   _ExtInt(31) C : 2;
30 };
31 // LIN: %struct.BitFieldsInt = type { i8, [3 x i8] }
32 // WIN: %struct.BitFieldsInt = type { i32 }
33 
34 struct BitFieldsLong {
35   _ExtInt(63) A : 3;
36   _ExtInt(63) B : 3;
37   _ExtInt(63) C : 2;
38 };
39 // LIN: %struct.BitFieldsLong = type { i8, [7 x i8] }
40 // WIN: %struct.BitFieldsLong = type { i64 }
41 
42 struct HasExtIntFirst {
43   _ExtInt(35) A;
44   int B;
45 };
46 // CHECK: %struct.HasExtIntFirst = type { i35, i32 }
47 
48 struct HasExtIntLast {
49   int A;
50   _ExtInt(35) B;
51 };
52 // CHECK: %struct.HasExtIntLast = type { i32, i35 }
53 
54 struct HasExtIntMiddle {
55   int A;
56   _ExtInt(35) B;
57   int C;
58 };
59 // CHECK: %struct.HasExtIntMiddle = type { i32, i35, i32 }
60 
61 // Force emitting of the above structs.
62 void StructEmit() {
63   BitFieldsByte A;
64   BitFieldsShort B;
65   BitFieldsInt C;
66   BitFieldsLong D;
67 
68   HasExtIntFirst E;
69   HasExtIntLast F;
70   HasExtIntMiddle G;
71 }
72 
73 void BitfieldAssignment() {
74   // LIN: define void @_Z18BitfieldAssignmentv
75   // WIN: define dso_local void  @"?BitfieldAssignment@@YAXXZ"
76   BitFieldsByte B;
77   B.A = 3;
78   B.B = 2;
79   B.C = 1;
80   // First one is used for the lifetime start, skip that.
81   // CHECK: bitcast %struct.BitFieldsByte*
82   // CHECK: %[[BFType:.+]] = bitcast %struct.BitFieldsByte*
83   // CHECK: %[[LOADA:.+]] = load i8, i8* %[[BFType]]
84   // CHECK: %[[CLEARA:.+]] = and i8 %[[LOADA]], -8
85   // CHECK: %[[SETA:.+]] = or i8 %[[CLEARA]], 3
86   // CHECK: %[[BFType:.+]] = bitcast %struct.BitFieldsByte*
87   // CHECK: %[[LOADB:.+]] = load i8, i8* %[[BFType]]
88   // CHECK: %[[CLEARB:.+]] = and i8 %[[LOADB]], -57
89   // CHECK: %[[SETB:.+]] = or i8 %[[CLEARB]], 16
90   // CHECK: %[[BFType:.+]] = bitcast %struct.BitFieldsByte*
91   // CHECK: %[[LOADC:.+]] = load i8, i8* %[[BFType]]
92   // CHECK: %[[CLEARC:.+]] = and i8 %[[LOADC]], 63
93   // CHECK: %[[SETC:.+]] = or i8 %[[CLEARC]], 64
94 }
95 
96 enum AsEnumUnderlyingType : _ExtInt(9) {
97   A,B,C
98 };
99 
100 void UnderlyingTypeUsage(AsEnumUnderlyingType Param) {
101   // LIN: define void @_Z19UnderlyingTypeUsage20AsEnumUnderlyingType(i9 signext %
102   // WIN: define dso_local void @"?UnderlyingTypeUsage@@YAXW4AsEnumUnderlyingType@@@Z"(i9 %
103   AsEnumUnderlyingType Var;
104   // CHECK: alloca i9, align 2
105   // CHECK: store i9 %{{.*}}, align 2
106 }
107 
108 unsigned _ExtInt(33) ManglingTestRetParam(unsigned _ExtInt(33) Param) {
109 // LIN: define i64 @_Z20ManglingTestRetParamU7_ExtIntILi33EEj(i64 %
110 // WIN: define dso_local i33 @"?ManglingTestRetParam@@YAU?$_UExtInt@$0CB@@__clang@@U12@@Z"(i33
111   return 0;
112 }
113 
114 _ExtInt(33) ManglingTestRetParam(_ExtInt(33) Param) {
115 // LIN: define i64 @_Z20ManglingTestRetParamU7_ExtIntILi33EEi(i64 %
116 // WIN: define dso_local i33 @"?ManglingTestRetParam@@YAU?$_ExtInt@$0CB@@__clang@@U12@@Z"(i33
117   return 0;
118 }
119 
120 template<typename T>
121 void ManglingTestTemplateParam(T&);
122 template<_ExtInt(99) T>
123 void ManglingTestNTTP();
124 
125 void ManglingInstantiator() {
126   // LIN: define void @_Z20ManglingInstantiatorv()
127   // WIN: define dso_local void @"?ManglingInstantiator@@YAXXZ"()
128   _ExtInt(93) A;
129   ManglingTestTemplateParam(A);
130 // LIN: call void @_Z25ManglingTestTemplateParamIU7_ExtIntILi93EEiEvRT_(i93*
131 // WIN: call void @"??$ManglingTestTemplateParam@U?$_ExtInt@$0FN@@__clang@@@@YAXAEAU?$_ExtInt@$0FN@@__clang@@@Z"(i93*
132   constexpr _ExtInt(93) B = 993;
133   ManglingTestNTTP<38>();
134 // LIN: call void @_Z16ManglingTestNTTPILU7_ExtIntILi99EEi38EEvv()
135 // WIN: call void @"??$ManglingTestNTTP@$0CG@@@YAXXZ"()
136   ManglingTestNTTP<B>();
137 // LIN: call void @_Z16ManglingTestNTTPILU7_ExtIntILi99EEi993EEvv()
138 // WIN: call void @"??$ManglingTestNTTP@$0DOB@@@YAXXZ"()
139 }
140 
141 void TakesVarargs(int i, ...) {
142   // LIN: define void @_Z12TakesVarargsiz(i32 %i, ...)
143   // WIN: define dso_local void @"?TakesVarargs@@YAXHZZ"(i32 %i, ...)
144 
145   __builtin_va_list args;
146   // LIN: %[[ARGS:.+]] = alloca [1 x %struct.__va_list_tag]
147   // WIN: %[[ARGS:.+]] = alloca i8*
148   __builtin_va_start(args, i);
149   // LIN: %[[STARTAD:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
150   // LIN: %[[STARTAD1:.+]] = bitcast %struct.__va_list_tag* %[[STARTAD]] to i8*
151   // LIN: call void @llvm.va_start(i8* %[[STARTAD1]])
152   // WIN: %[[ARGSLLIFETIMESTART:.+]] = bitcast i8** %[[ARGS]] to i8*
153   // WIN: %[[ARGSSTART:.+]] = bitcast i8** %[[ARGS]] to i8*
154   // WIN: call void @llvm.va_start(i8* %[[ARGSSTART]])
155 
156   _ExtInt(92) A = __builtin_va_arg(args, _ExtInt(92));
157   // LIN: %[[AD1:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
158   // LIN: %[[OFA_P1:.+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %[[AD1]], i32 0, i32 0
159   // LIN: %[[GPOFFSET:.+]] = load i32, i32* %[[OFA_P1]]
160   // LIN: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 32
161   // LIN: br i1 %[[FITSINGP]]
162   // LIN: %[[BC1:.+]] = phi i92*
163   // LIN: %[[LOAD1:.+]] = load i92, i92* %[[BC1]]
164   // LIN: store i92 %[[LOAD1]], i92*
165 
166   // WIN: %[[CUR1:.+]] = load i8*, i8** %[[ARGS]]
167   // WIN: %[[NEXT1:.+]] = getelementptr inbounds i8, i8* %[[CUR1]], i64 16
168   // WIN: store i8* %[[NEXT1]], i8** %[[ARGS]]
169   // WIN: %[[BC1:.+]] = bitcast i8* %[[CUR1]] to i92*
170   // WIN: %[[LOADV1:.+]] = load i92, i92* %[[BC1]]
171   // WIN: store i92 %[[LOADV1]], i92*
172 
173   _ExtInt(31) B = __builtin_va_arg(args, _ExtInt(31));
174   // LIN: %[[AD2:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
175   // LIN: %[[OFA_P2:.+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %[[AD2]], i32 0, i32 0
176   // LIN: %[[GPOFFSET:.+]] = load i32, i32* %[[OFA_P2]]
177   // LIN: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 40
178   // LIN: br i1 %[[FITSINGP]]
179   // LIN: %[[BC1:.+]] = phi i31*
180   // LIN: %[[LOAD1:.+]] = load i31, i31* %[[BC1]]
181   // LIN: store i31 %[[LOAD1]], i31*
182 
183   // WIN: %[[CUR2:.+]] = load i8*, i8** %[[ARGS]]
184   // WIN: %[[NEXT2:.+]] = getelementptr inbounds i8, i8* %[[CUR2]], i64 8
185   // WIN: store i8* %[[NEXT2]], i8** %[[ARGS]]
186   // WIN: %[[BC2:.+]] = bitcast i8* %[[CUR2]] to i31*
187   // WIN: %[[LOADV2:.+]] = load i31, i31* %[[BC2]]
188   // WIN: store i31 %[[LOADV2]], i31*
189 
190   _ExtInt(16) C = __builtin_va_arg(args, _ExtInt(16));
191   // LIN: %[[AD3:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
192   // LIN: %[[OFA_P3:.+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %[[AD3]], i32 0, i32 0
193   // LIN: %[[GPOFFSET:.+]] = load i32, i32* %[[OFA_P3]]
194   // LIN: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 40
195   // LIN: br i1 %[[FITSINGP]]
196   // LIN: %[[BC1:.+]] = phi i16*
197   // LIN: %[[LOAD1:.+]] = load i16, i16* %[[BC1]]
198   // LIN: store i16 %[[LOAD1]], i16*
199 
200   // WIN: %[[CUR3:.+]] = load i8*, i8** %[[ARGS]]
201   // WIN: %[[NEXT3:.+]] = getelementptr inbounds i8, i8* %[[CUR3]], i64 8
202   // WIN: store i8* %[[NEXT3]], i8** %[[ARGS]]
203   // WIN: %[[BC3:.+]] = bitcast i8* %[[CUR3]] to i16*
204   // WIN: %[[LOADV3:.+]] = load i16, i16* %[[BC3]]
205   // WIN: store i16 %[[LOADV3]], i16*
206 
207   _ExtInt(129) D = __builtin_va_arg(args, _ExtInt(129));
208   // LIN: %[[AD4:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
209   // LIN: %[[OFA_P4:.+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %[[AD4]], i32 0, i32 2
210   // LIN: %[[OFA4:.+]] = load i8*, i8** %[[OFA_P4]]
211   // LIN: %[[BC4:.+]] = bitcast i8* %[[OFA4]] to i129*
212   // LIN: %[[OFANEXT4:.+]] = getelementptr i8, i8* %[[OFA4]], i32 24
213   // LIN: store i8* %[[OFANEXT4]], i8** %[[OFA_P4]]
214   // LIN: %[[LOAD4:.+]] = load i129, i129* %[[BC4]]
215   // LIN: store i129 %[[LOAD4]], i129*
216 
217   // WIN: %[[CUR4:.+]] = load i8*, i8** %[[ARGS]]
218   // WIN: %[[NEXT4:.+]] = getelementptr inbounds i8, i8* %[[CUR4]], i64 24
219   // WIN: store i8* %[[NEXT4]], i8** %[[ARGS]]
220   // WIN: %[[BC4:.+]] = bitcast i8* %[[CUR4]] to i129*
221   // WIN: %[[LOADV4:.+]] = load i129, i129* %[[BC4]]
222   // WIN: store i129 %[[LOADV4]], i129*
223 
224   _ExtInt(16777200) E = __builtin_va_arg(args, _ExtInt(16777200));
225   // LIN: %[[AD5:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
226   // LIN: %[[OFA_P5:.+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %[[AD5]], i32 0, i32 2
227   // LIN: %[[OFA5:.+]] = load i8*, i8** %[[OFA_P5]]
228   // LIN: %[[BC5:.+]] = bitcast i8* %[[OFA5]] to i16777200*
229   // LIN: %[[OFANEXT5:.+]] = getelementptr i8, i8* %[[OFA5]], i32 2097152
230   // LIN: store i8* %[[OFANEXT5]], i8** %[[OFA_P5]]
231   // LIN: %[[LOAD5:.+]] = load i16777200, i16777200* %[[BC5]]
232   // LIN: store i16777200 %[[LOAD5]], i16777200*
233 
234   // WIN: %[[CUR5:.+]] = load i8*, i8** %[[ARGS]]
235   // WIN: %[[NEXT5:.+]] = getelementptr inbounds i8, i8* %[[CUR5]], i64 2097152
236   // WIN: store i8* %[[NEXT5]], i8** %[[ARGS]]
237   // WIN: %[[BC5:.+]] = bitcast i8* %[[CUR5]] to i16777200*
238   // WIN: %[[LOADV5:.+]] = load i16777200, i16777200* %[[BC5]]
239   // WIN: store i16777200 %[[LOADV5]], i16777200*
240 
241   __builtin_va_end(args);
242   // LIN: %[[ENDAD:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %[[ARGS]]
243   // LIN: %[[ENDAD1:.+]] = bitcast %struct.__va_list_tag* %[[ENDAD]] to i8*
244   // LIN: call void @llvm.va_end(i8* %[[ENDAD1]])
245   // WIN: %[[ARGSEND:.+]] = bitcast i8** %[[ARGS]] to i8*
246   // WIN: call void @llvm.va_end(i8* %[[ARGSEND]])
247 }
248 void typeid_tests() {
249   // LIN: define void @_Z12typeid_testsv()
250   // WIN: define dso_local void @"?typeid_tests@@YAXXZ"()
251   unsigned _ExtInt(33) U33_1, U33_2;
252   _ExtInt(33) S33_1, S33_2;
253   _ExtInt(32) S32_1, S32_2;
254 
255  auto A = typeid(U33_1);
256  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi33EEj to %"class.std::type_info"*))
257  // WIN: call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor28* @"??_R0U?$_UExtInt@$0CB@@__clang@@@8" to %"class.std::type_info"*))
258  auto B = typeid(U33_2);
259  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi33EEj to %"class.std::type_info"*))
260  // WIN:  call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor28* @"??_R0U?$_UExtInt@$0CB@@__clang@@@8" to %"class.std::type_info"*))
261  auto C = typeid(S33_1);
262  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi33EEi to %"class.std::type_info"*))
263  // WIN:  call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor27* @"??_R0U?$_ExtInt@$0CB@@__clang@@@8" to %"class.std::type_info"*))
264  auto D = typeid(S33_2);
265  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi33EEi to %"class.std::type_info"*))
266  // WIN:  call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor27* @"??_R0U?$_ExtInt@$0CB@@__clang@@@8" to %"class.std::type_info"*))
267  auto E = typeid(S32_1);
268  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi32EEi to %"class.std::type_info"*))
269  // WIN:  call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor27* @"??_R0U?$_ExtInt@$0CA@@__clang@@@8" to %"class.std::type_info"*))
270  auto F = typeid(S32_2);
271  // LIN: call void @_ZNSt9type_infoC1ERKS_(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast ({ i8*, i8* }* @_ZTIU7_ExtIntILi32EEi to %"class.std::type_info"*))
272  // WIN:  call %"class.std::type_info"* @"??0type_info@std@@QEAA@AEBV01@@Z"(%"class.std::type_info"* %{{.+}}, %"class.std::type_info"* nonnull align 8 dereferenceable(16) bitcast (%rtti.TypeDescriptor27* @"??_R0U?$_ExtInt@$0CA@@__clang@@@8" to %"class.std::type_info"*))
273 }
274 
275 void ExplicitCasts() {
276   // LIN: define void @_Z13ExplicitCastsv()
277   // WIN: define dso_local void @"?ExplicitCasts@@YAXXZ"()
278 
279   _ExtInt(33) a;
280   _ExtInt(31) b;
281   int i;
282 
283   a = i;
284   // CHECK: %[[CONV:.+]] = sext i32 %{{.+}} to i33
285   b = i;
286   // CHECK: %[[CONV:.+]] = trunc i32 %{{.+}} to i31
287   i = a;
288   // CHECK: %[[CONV:.+]] = trunc i33 %{{.+}} to i32
289   i = b;
290   // CHECK: %[[CONV:.+]] = sext i31 %{{.+}} to i32
291 }
292 
293 struct S {
294   _ExtInt(17) A;
295   _ExtInt(16777200) B;
296   _ExtInt(17) C;
297 };
298 
299 void OffsetOfTest() {
300   // LIN: define void @_Z12OffsetOfTestv()
301   // WIN: define dso_local void @"?OffsetOfTest@@YAXXZ"()
302 
303   auto A = __builtin_offsetof(S,A);
304   // CHECK: store i64 0, i64* %{{.+}}
305   auto B = __builtin_offsetof(S,B);
306   // CHECK: store i64 8, i64* %{{.+}}
307   auto C = __builtin_offsetof(S,C);
308   // CHECK: store i64 2097160, i64* %{{.+}}
309 }
310 
311 
312 void ShiftExtIntByConstant(_ExtInt(28) Ext) {
313 // LIN: define void @_Z21ShiftExtIntByConstantU7_ExtIntILi28EEi
314 // WIN: define dso_local void @"?ShiftExtIntByConstant@@YAXU?$_ExtInt@$0BM@@__clang@@@Z"
315   Ext << 7;
316   // CHECK: shl i28 %{{.+}}, 7
317   Ext >> 7;
318   // CHECK: ashr i28 %{{.+}}, 7
319   Ext << -7;
320   // CHECK: shl i28 %{{.+}}, -7
321   Ext >> -7;
322   // CHECK: ashr i28 %{{.+}}, -7
323 
324   // UB in C/C++, Defined in OpenCL.
325   Ext << 29;
326   // CHECK: shl i28 %{{.+}}, 29
327   Ext >> 29;
328   // CHECK: ashr i28 %{{.+}}, 29
329 }
330 
331 void ConstantShiftByExtInt(_ExtInt(28) Ext, _ExtInt(65) LargeExt) {
332   // LIN: define void @_Z21ConstantShiftByExtIntU7_ExtIntILi28EEiU7_ExtIntILi65EEi
333   // WIN: define dso_local void @"?ConstantShiftByExtInt@@YAXU?$_ExtInt@$0BM@@__clang@@U?$_ExtInt@$0EB@@2@@Z"
334   10 << Ext;
335   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
336   // CHECK: shl i32 10, %[[PROMO]]
337   10 >> Ext;
338   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
339   // CHECK: ashr i32 10, %[[PROMO]]
340   10 << LargeExt;
341   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
342   // CHECK: shl i32 10, %[[PROMO]]
343   10 >> LargeExt;
344   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
345   // CHECK: ashr i32 10, %[[PROMO]]
346 }
347 
348 void Shift(_ExtInt(28) Ext, _ExtInt(65) LargeExt, int i) {
349   // LIN: define void @_Z5ShiftU7_ExtIntILi28EEiU7_ExtIntILi65EEii
350   // WIN: define dso_local void @"?Shift@@YAXU?$_ExtInt@$0BM@@__clang@@U?$_ExtInt@$0EB@@2@H@Z"
351   i << Ext;
352   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
353   // CHECK: shl i32 {{.+}}, %[[PROMO]]
354   i >> Ext;
355   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
356   // CHECK: ashr i32 {{.+}}, %[[PROMO]]
357 
358   i << LargeExt;
359   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
360   // CHECK: shl i32 {{.+}}, %[[PROMO]]
361   i >> LargeExt;
362   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
363   // CHECK: ashr i32 {{.+}}, %[[PROMO]]
364 
365   Ext << i;
366   // CHECK: %[[PROMO:.+]] = trunc i32 %{{.+}} to i28
367   // CHECK: shl i28 {{.+}}, %[[PROMO]]
368   Ext >> i;
369   // CHECK: %[[PROMO:.+]] = trunc i32 %{{.+}} to i28
370   // CHECK: ashr i28 {{.+}}, %[[PROMO]]
371 
372   LargeExt << i;
373   // CHECK: %[[PROMO:.+]] = zext i32 %{{.+}} to i65
374   // CHECK: shl i65 {{.+}}, %[[PROMO]]
375   LargeExt >> i;
376   // CHECK: %[[PROMO:.+]] = zext i32 %{{.+}} to i65
377   // CHECK: ashr i65 {{.+}}, %[[PROMO]]
378 
379   Ext << LargeExt;
380   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i28
381   // CHECK: shl i28 {{.+}}, %[[PROMO]]
382   Ext >> LargeExt;
383   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i28
384   // CHECK: ashr i28 {{.+}}, %[[PROMO]]
385 
386   LargeExt << Ext;
387   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i65
388   // CHECK: shl i65 {{.+}}, %[[PROMO]]
389   LargeExt >> Ext;
390   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i65
391   // CHECK: ashr i65 {{.+}}, %[[PROMO]]
392 }
393 
394 void ComplexTest(_Complex _ExtInt(12) first,
395                                  _Complex _ExtInt(33) second) {
396   // LIN: define void @_Z11ComplexTestCU7_ExtIntILi12EEiCU7_ExtIntILi33EEi
397   // WIN: define dso_local void  @"?ComplexTest@@YAXU?$_Complex@U?$_ExtInt@$0M@@__clang@@@__clang@@U?$_Complex@U?$_ExtInt@$0CB@@__clang@@@2@@Z"
398   first + second;
399   // CHECK: %[[FIRST_REALP:.+]] = getelementptr inbounds { i12, i12 }, { i12, i12 }* %{{.+}}, i32 0, i32 0
400   // CHECK: %[[FIRST_REAL:.+]] = load i12, i12* %[[FIRST_REALP]]
401   // CHECK: %[[FIRST_IMAGP:.+]] = getelementptr inbounds { i12, i12 }, { i12, i12 }* %{{.+}}, i32 0, i32 1
402   // CHECK: %[[FIRST_IMAG:.+]] = load i12, i12* %[[FIRST_IMAGP]]
403   // CHECK: %[[FIRST_REAL_CONV:.+]] = sext i12 %[[FIRST_REAL]]
404   // CHECK: %[[FIRST_IMAG_CONV:.+]] = sext i12 %[[FIRST_IMAG]]
405   // CHECK: %[[SECOND_REALP:.+]] = getelementptr inbounds { i33, i33 }, { i33, i33 }* %{{.+}}, i32 0, i32 0
406   // CHECK: %[[SECOND_REAL:.+]] = load i33, i33* %[[SECOND_REALP]]
407   // CHECK: %[[SECOND_IMAGP:.+]] = getelementptr inbounds { i33, i33 }, { i33, i33 }* %{{.+}}, i32 0, i32 1
408   // CHECK: %[[SECOND_IMAG:.+]] = load i33, i33* %[[SECOND_IMAGP]]
409   // CHECK: %[[REAL:.+]] = add i33 %[[FIRST_REAL_CONV]], %[[SECOND_REAL]]
410   // CHECK: %[[IMAG:.+]] = add i33 %[[FIRST_IMAG_CONV]], %[[SECOND_IMAG]]
411 }
412 
413 // Ensure that these types don't alias the normal int types.
414 void TBAATest(_ExtInt(sizeof(int) * 8) ExtInt,
415               unsigned _ExtInt(sizeof(int) * 8) ExtUInt,
416               _ExtInt(6) Other) {
417   // CHECK-DAG: store i32 %{{.+}}, i32* %{{.+}}, align 4, !tbaa ![[EXTINT_TBAA:.+]]
418   // CHECK-DAG: store i32 %{{.+}}, i32* %{{.+}}, align 4, !tbaa ![[EXTINT_TBAA]]
419   // CHECK-DAG: store i6 %{{.+}}, i6* %{{.+}}, align 1, !tbaa ![[EXTINT6_TBAA:.+]]
420   ExtInt = 5;
421   ExtUInt = 5;
422   Other = 5;
423 }
424 
425 // NoNewStructPathTBAA-DAG: ![[CHAR_TBAA_ROOT:.+]] = !{!"omnipotent char", ![[TBAA_ROOT:.+]], i64 0}
426 // NoNewStructPathTBAA-DAG: ![[TBAA_ROOT]] = !{!"Simple C++ TBAA"}
427 // NoNewStructPathTBAA-DAG: ![[EXTINT_TBAA]] = !{![[EXTINT_TBAA_ROOT:.+]], ![[EXTINT_TBAA_ROOT]], i64 0}
428 // NoNewStructPathTBAA-DAG: ![[EXTINT_TBAA_ROOT]] = !{!"_ExtInt(32)", ![[CHAR_TBAA_ROOT]], i64 0}
429 // NoNewStructPathTBAA-DAG: ![[EXTINT6_TBAA]] = !{![[EXTINT6_TBAA_ROOT:.+]], ![[EXTINT6_TBAA_ROOT]], i64 0}
430 // NoNewStructPathTBAA-DAG: ![[EXTINT6_TBAA_ROOT]] = !{!"_ExtInt(6)", ![[CHAR_TBAA_ROOT]], i64 0}
431 
432 // NewStructPathTBAA-DAG: ![[CHAR_TBAA_ROOT:.+]] = !{![[TBAA_ROOT:.+]], i64 1, !"omnipotent char"}
433 // NewStructPathTBAA-DAG: ![[TBAA_ROOT]] = !{!"Simple C++ TBAA"}
434 // NewStructPathTBAA-DAG: ![[EXTINT_TBAA]] = !{![[EXTINT_TBAA_ROOT:.+]], ![[EXTINT_TBAA_ROOT]], i64 0, i64 4}
435 // NewStructPathTBAA-DAG: ![[EXTINT_TBAA_ROOT]] = !{![[CHAR_TBAA_ROOT]], i64 4, !"_ExtInt(32)"}
436 // NewStructPathTBAA-DAG: ![[EXTINT6_TBAA]] = !{![[EXTINT6_TBAA_ROOT:.+]], ![[EXTINT6_TBAA_ROOT]], i64 0, i64 1}
437 // NewStructPathTBAA-DAG: ![[EXTINT6_TBAA_ROOT]] = !{![[CHAR_TBAA_ROOT]], i64 1, !"_ExtInt(6)"}
438