clang/test/CodeGenCXX/ext-int.cpp

   1 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-gnu-linux -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LIN,LIN64,NoNewStructPathTBAA
   2 // RUN: %clang_cc1 -no-enable-noundef-analysis -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,LIN64,NewStructPathTBAA
   3
   4 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-windows-pc -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WIN,WIN64,NoNewStructPathTBAA
   5 // RUN: %clang_cc1 -no-enable-noundef-analysis -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,WIN64,NewStructPathTBAA
   6
   7 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i386-gnu-linux -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LIN,LIN32,NoNewStructPathTBAA
   8 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i386-gnu-linux -O3 -disable-llvm-passes -I%S -new-struct-path-tbaa -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LIN,LIN32,NewStructPathTBAA
   9
  10 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i386-windows-pc -O3 -disable-llvm-passes -I%S -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WIN,WIN32,NoNewStructPathTBAA
  11 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i386-windows-pc -O3 -disable-llvm-passes -I%S -new-struct-path-tbaa -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WIN,WIN32,NewStructPathTBAA
  12
  13 namespace std {
  14   class type_info { public: virtual ~type_info(); private: const char * name; };
  15 } // namespace std
  16
  17 // Ensure that the layout for these structs is the same as the normal bitfield
  18 // layouts.
  19 struct BitFieldsByte {
  20   _BitInt(7) A : 3;
  21   _BitInt(7) B : 3;
  22   _BitInt(7) C : 2;
  23 };
  24 // CHECK: %struct.BitFieldsByte = type { i8 }
  25
  26 struct BitFieldsShort {
  27   _BitInt(15) A : 3;
  28   _BitInt(15) B : 3;
  29   _BitInt(15) C : 2;
  30 };
  31 // LIN: %struct.BitFieldsShort = type { i8, i8 }
  32 // WIN: %struct.BitFieldsShort = type { i16 }
  33
  34 struct BitFieldsInt {
  35   _BitInt(31) A : 3;
  36   _BitInt(31) B : 3;
  37   _BitInt(31) C : 2;
  38 };
  39 // LIN: %struct.BitFieldsInt = type { i8, [3 x i8] }
  40 // WIN: %struct.BitFieldsInt = type { i32 }
  41
  42 struct BitFieldsLong {
  43   _BitInt(63) A : 3;
  44   _BitInt(63) B : 3;
  45   _BitInt(63) C : 2;
  46 };
  47 // LIN64: %struct.BitFieldsLong = type { i8, [7 x i8] }
  48 // LIN32: %struct.BitFieldsLong = type { i8, [3 x i8] }
  49 // WIN: %struct.BitFieldsLong = type { i64 }
  50
  51 struct HasBitIntFirst {
  52   _BitInt(35) A;
  53   int B;
  54 };
  55 // CHECK: %struct.HasBitIntFirst = type { i64, i32 }
  56
  57 struct HasBitIntLast {
  58   int A;
  59   _BitInt(35) B;
  60 };
  61 // CHECK: %struct.HasBitIntLast = type { i32, i64 }
  62
  63 struct HasBitIntMiddle {
  64   int A;
  65   _BitInt(35) B;
  66   int C;
  67 };
  68 // CHECK: %struct.HasBitIntMiddle = type { i32, i64, i32 }
  69
  70 // Force emitting of the above structs.
  71 void StructEmit() {
  72   BitFieldsByte A;
  73   BitFieldsShort B;
  74   BitFieldsInt C;
  75   BitFieldsLong D;
  76
  77   HasBitIntFirst E;
  78   HasBitIntLast F;
  79   HasBitIntMiddle G;
  80 }
  81
  82 void BitfieldAssignment() {
  83   // LIN: define{{.*}} void @_Z18BitfieldAssignmentv
  84   // WIN: define dso_local void  @"?BitfieldAssignment@@YAXXZ"
  85   BitFieldsByte B;
  86   B.A = 3;
  87   B.B = 2;
  88   B.C = 1;
  89   // First one is used for the lifetime start, skip that.
  90   // CHECK: %[[LOADA:.+]] = load i8, ptr %[[BFType:.*]]
  91   // CHECK: %[[CLEARA:.+]] = and i8 %[[LOADA]], -8
  92   // CHECK: %[[SETA:.+]] = or i8 %[[CLEARA]], 3
  93   // CHECK: %[[LOADB:.+]] = load i8, ptr %[[BFType:.*]]
  94   // CHECK: %[[CLEARB:.+]] = and i8 %[[LOADB]], -57
  95   // CHECK: %[[SETB:.+]] = or i8 %[[CLEARB]], 16
  96   // CHECK: %[[LOADC:.+]] = load i8, ptr %[[BFType:.*]]
  97   // CHECK: %[[CLEARC:.+]] = and i8 %[[LOADC]], 63
  98   // CHECK: %[[SETC:.+]] = or i8 %[[CLEARC]], 64
  99 }
 100
 101 unsigned _BitInt(33) ManglingTestRetParam(unsigned _BitInt(33) Param) {
 102 // LIN64: define{{.*}} i64 @_Z20ManglingTestRetParamDU33_(i64 %
 103 // LIN32: define{{.*}} i33 @_Z20ManglingTestRetParamDU33_(i33 %
 104 // WIN: define dso_local i33 @"?ManglingTestRetParam@@YAU?$_UBitInt@$0CB@@__clang@@U12@@Z"(i33
 105   return 0;
 106 }
 107
 108 _BitInt(33) ManglingTestRetParam(_BitInt(33) Param) {
 109 // LIN64: define{{.*}} i64 @_Z20ManglingTestRetParamDB33_(i64 %
 110 // LIN32: define{{.*}} i33 @_Z20ManglingTestRetParamDB33_(i33 %
 111 // WIN: define dso_local i33 @"?ManglingTestRetParam@@YAU?$_BitInt@$0CB@@__clang@@U12@@Z"(i33
 112   return 0;
 113 }
 114
 115 typedef unsigned _BitInt(16) uint16_t4 __attribute__((ext_vector_type(4)));
 116 typedef _BitInt(32) vint32_t8 __attribute__((vector_size(32)));
 117
 118 template<typename T>
 119 void ManglingTestTemplateParam(T&);
 120 template<_BitInt(99) T>
 121 void ManglingTestNTTP();
 122 template <int N>
 123 auto ManglingDependent() -> decltype(_BitInt(N){});
 124
 125 void ManglingInstantiator() {
 126   // LIN: define{{.*}} void @_Z20ManglingInstantiatorv()
 127   // WIN: define dso_local void @"?ManglingInstantiator@@YAXXZ"()
 128   _BitInt(93) A;
 129   ManglingTestTemplateParam(A);
 130 // LIN: call void @_Z25ManglingTestTemplateParamIDB93_EvRT_(ptr
 131 // WIN64: call void @"??$ManglingTestTemplateParam@U?$_BitInt@$0FN@@__clang@@@@YAXAEAU?$_BitInt@$0FN@@__clang@@@Z"(ptr
 132 // WIN32: call void @"??$ManglingTestTemplateParam@U?$_BitInt@$0FN@@__clang@@@@YAXAAU?$_BitInt@$0FN@@__clang@@@Z"(ptr
 133   constexpr _BitInt(93) B = 993;
 134   ManglingTestNTTP<38>();
 135   // LIN: call void @_Z16ManglingTestNTTPILDB99_38EEvv()
 136   // WIN: call void @"??$ManglingTestNTTP@$0CG@@@YAXXZ"()
 137   ManglingTestNTTP<B>();
 138   // LIN: call void @_Z16ManglingTestNTTPILDB99_993EEvv()
 139   // WIN: call void @"??$ManglingTestNTTP@$0DOB@@@YAXXZ"()
 140   ManglingDependent<4>();
 141   // LIN: call signext i4 @_Z17ManglingDependentILi4EEDTtlDBT__EEv()
 142   // WIN64: call i4 @"??$ManglingDependent@$03@@YAU?$_BitInt@$03@__clang@@XZ"()
 143   // WIN32: call signext i4 @"??$ManglingDependent@$03@@YAU?$_BitInt@$03@__clang@@XZ"()
 144   uint16_t4 V;
 145   ManglingTestTemplateParam(V);
 146   // LIN: call void @_Z25ManglingTestTemplateParamIDv4_DU16_EvRT_(ptr
 147   // WIN64: call void @"??$ManglingTestTemplateParam@T?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@@YAXAEAT?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@Z"(ptr
 148   // WIN32: call void @"??$ManglingTestTemplateParam@T?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@@YAXAAT?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@Z"(ptr
 149
 150 }
 151
 152 void TakesVarargs(int i, ...) {
 153   // LIN: define{{.*}} void @_Z12TakesVarargsiz(i32 %i, ...)
 154   // WIN: define dso_local void @"?TakesVarargs@@YAXHZZ"(i32 %i, ...)
 155
 156   __builtin_va_list args;
 157   // LIN64: %[[ARGS:.+]] = alloca [1 x %struct.__va_list_tag]
 158   // LIN32: %[[ARGS:.+]] = alloca ptr
 159   // WIN: %[[ARGS:.+]] = alloca ptr
 160   __builtin_va_start(args, i);
 161   // LIN64: %[[STARTAD:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 162   // LIN64: call void @llvm.va_start.p0(ptr %[[STARTAD]])
 163   // LIN32: call void @llvm.va_start.p0(ptr %[[ARGS]])
 164   // WIN: call void @llvm.va_start.p0(ptr %[[ARGS]])
 165
 166   _BitInt(92) A = __builtin_va_arg(args, _BitInt(92));
 167   // LIN64: %[[AD1:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 168   // LIN64: %[[OFA_P1:.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr %[[AD1]], i32 0, i32 0
 169   // LIN64: %[[GPOFFSET:.+]] = load i32, ptr %[[OFA_P1]]
 170   // LIN64: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 32
 171   // LIN64: br i1 %[[FITSINGP]]
 172   // LIN64: %[[BC1:.+]] = phi ptr
 173   // LIN64: %[[LOAD1:.+]] = load i128, ptr %[[BC1]]
 174   // LIN64: %[[T:.+]] = trunc i128 %[[LOAD1]] to i92
 175   // LIN64: %[[S:.+]] = sext i92 %[[T]] to i128
 176   // LIN64: store i128 %[[S]], ptr
 177
 178   // LIN32: %[[CUR1:.+]] = load ptr, ptr %[[ARGS]]
 179   // LIN32: %[[NEXT1:.+]] = getelementptr inbounds i8, ptr %[[CUR1]], i32 12
 180   // LIN32: store ptr %[[NEXT1]], ptr %[[ARGS]]
 181   // LIN32: %[[LOADV1:.+]] = load i96, ptr %[[CUR1]]
 182   // LIN32: %[[TR:.+]] = trunc i96 %[[LOADV1]] to i92
 183   // LIN32: %[[SEXT:.+]] = sext i92 %[[TR]] to i96
 184   // LIN32: store i96 %[[SEXT]], ptr
 185
 186   // WIN64: %[[CUR1:.+]] = load ptr, ptr %[[ARGS]]
 187   // WIN64: %[[NEXT1:.+]] = getelementptr inbounds i8, ptr %[[CUR1]], i64 8
 188   // WIN64: store ptr %[[NEXT1]], ptr %[[ARGS]]
 189   // WIN64: %[[LOADP1:.+]] = load ptr, ptr %[[CUR1]]
 190   // WIN64: %[[LOADV1:.+]] = load i128, ptr %[[LOADP1]]
 191   // WIN64: %[[TR:.+]] = trunc i128 %[[LOADV1]] to i92
 192   // WIN64: %[[SEXT:.+]] = sext i92 %[[TR]] to i128
 193   // WIN64: store i128 %[[SEXT]], ptr
 194
 195   // WIN32: %[[CUR1:.+]] = load ptr, ptr %[[ARGS]]
 196   // WIN32: %[[NEXT1:.+]] = getelementptr inbounds i8, ptr %[[CUR1]], i32 16
 197   // WIN32: store ptr %[[NEXT1]], ptr %[[ARGS]]
 198   // WIN32: %[[LOADV1:.+]] = load i128, ptr %[[CUR1]]
 199   // WIN32: %[[TR:.+]] = trunc i128 %[[LOADV1]] to i92
 200   // WIN32: %[[SEXT:.+]] = sext i92 %[[TR]] to i128
 201   // WIN32: store i128 %[[SEXT]], ptr
 202
 203
 204   _BitInt(31) B = __builtin_va_arg(args, _BitInt(31));
 205   // LIN64: %[[AD2:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 206   // LIN64: %[[OFA_P2:.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr %[[AD2]], i32 0, i32 0
 207   // LIN64: %[[GPOFFSET:.+]] = load i32, ptr %[[OFA_P2]]
 208   // LIN64: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 40
 209   // LIN64: br i1 %[[FITSINGP]]
 210   // LIN64: %[[BC1:.+]] = phi ptr
 211   // LIN64: %[[LOAD1:.+]] = load i32, ptr %[[BC1]]
 212   // LIN64: %[[T:.+]] = trunc i32 %[[LOAD1]] to i31
 213   // LIN64: %[[S:.+]] = sext i31 %[[T]] to i32
 214   // LIN64: store i32 %[[S]], ptr
 215
 216   // LIN32: %[[CUR2:.+]] = load ptr, ptr %[[ARGS]]
 217   // LIN32: %[[NEXT2:.+]] = getelementptr inbounds i8, ptr %[[CUR2]], i32 4
 218   // LIN32: store ptr %[[NEXT2]], ptr %[[ARGS]]
 219   // LIN32: %[[LOADV2:.+]] = load i32, ptr %[[CUR2]]
 220   // LIN32: %[[T:.+]] = trunc i32 %[[LOADV2]] to i31
 221   // LIN32: %[[S:.+]] = sext i31 %[[T]] to i32
 222   // LIN32: store i32 %[[S]], ptr
 223
 224   // WIN64: %[[CUR2:.+]] = load ptr, ptr %[[ARGS]]
 225   // WIN64: %[[NEXT2:.+]] = getelementptr inbounds i8, ptr %[[CUR2]], i64 8
 226   // WIN64: store ptr %[[NEXT2]], ptr %[[ARGS]]
 227   // WIN64: %[[LOADV2:.+]] = load i32, ptr %[[CUR2]]
 228   // WIN64: %[[T:.+]] = trunc i32 %[[LOADV2]] to i31
 229   // WIN64: %[[S:.+]] = sext i31 %[[T]] to i32
 230   // WIN64: store i32 %[[S]], ptr
 231
 232   // WIN32: %[[CUR2:.+]] = load ptr, ptr %[[ARGS]]
 233   // WIN32: %[[NEXT2:.+]] = getelementptr inbounds i8, ptr %[[CUR2]], i32 4
 234   // WIN32: store ptr %[[NEXT2]], ptr %[[ARGS]]
 235   // WIN32: %[[LOADV2:.+]] = load i32, ptr %[[CUR2]]
 236   // WIN32: %[[T:.+]] = trunc i32 %[[LOADV2]] to i31
 237   // WIN32: %[[S:.+]] = sext i31 %[[T]] to i32
 238   // WIN32: store i32 %[[S]], ptr
 239
 240   _BitInt(16) C = __builtin_va_arg(args, _BitInt(16));
 241   // LIN64: %[[AD3:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 242   // LIN64: %[[OFA_P3:.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr %[[AD3]], i32 0, i32 0
 243   // LIN64: %[[GPOFFSET:.+]] = load i32, ptr %[[OFA_P3]]
 244   // LIN64: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 40
 245   // LIN64: br i1 %[[FITSINGP]]
 246   // LIN64: %[[BC1:.+]] = phi ptr
 247   // LIN64: %[[LOAD1:.+]] = load i16, ptr %[[BC1]]
 248   // LIN64: store i16 %[[LOAD1]], ptr
 249
 250   // LIN32: %[[CUR3:.+]] = load ptr, ptr %[[ARGS]]
 251   // LIN32: %[[NEXT3:.+]] = getelementptr inbounds i8, ptr %[[CUR3]], i32 4
 252   // LIN32: store ptr %[[NEXT3]], ptr %[[ARGS]]
 253   // LIN32: %[[LOADV3:.+]] = load i16, ptr %[[CUR3]]
 254   // LIN32: store i16 %[[LOADV3]], ptr
 255
 256   // WIN64: %[[CUR3:.+]] = load ptr, ptr %[[ARGS]]
 257   // WIN64: %[[NEXT3:.+]] = getelementptr inbounds i8, ptr %[[CUR3]], i64 8
 258   // WIN64: store ptr %[[NEXT3]], ptr %[[ARGS]]
 259   // WIN64: %[[LOADV3:.+]] = load i16, ptr %[[CUR3]]
 260   // WIN64: store i16 %[[LOADV3]], ptr
 261
 262   // WIN32: %[[CUR3:.+]] = load ptr, ptr %[[ARGS]]
 263   // WIN32: %[[NEXT3:.+]] = getelementptr inbounds i8, ptr %[[CUR3]], i32 4
 264   // WIN32: store ptr %[[NEXT3]], ptr %[[ARGS]]
 265   // WIN32: %[[LOADV3:.+]] = load i16, ptr %[[CUR3]]
 266   // WIN32: store i16 %[[LOADV3]], ptr
 267
 268   uint16_t4 D = __builtin_va_arg(args, uint16_t4);
 269   // LIN64: %[[AD4:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 270   // LIN64: %[[OFA_P4:.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr %[[AD4]], i32 0, i32 1
 271   // LIN64: %[[GPOFFSET:.+]] = load i32, ptr %[[OFA_P4]]
 272   // LIN64: %[[FITSINGP:.+]] = icmp ule i32 %[[GPOFFSET]], 160
 273   // LIN64: br i1 %[[FITSINGP]]
 274   // LIN64: %[[BC4:.+]] = phi ptr
 275   // LIN64: %[[LOADV4:.+]] = load <4 x i16>, ptr %[[BC4]]
 276   // LIN64: store <4 x i16> %[[LOADV4]], ptr
 277
 278   // LIN32: %[[CUR4:.+]] = load ptr, ptr %[[ARGS]]
 279   // LIN32: %[[NEXT4:.+]] = getelementptr inbounds i8, ptr %[[CUR4]], i32 8
 280   // LIN32: store ptr %[[NEXT4]], ptr %[[ARGS]]
 281   // LIN32: %[[LOADV4:.+]] = load <4 x i16>, ptr %[[CUR4]]
 282   // LIN32: store <4 x i16> %[[LOADV4]], ptr %
 283
 284   // WIN: %[[CUR4:.+]] = load ptr, ptr %[[ARGS]]
 285   // WIN64: %[[NEXT4:.+]] = getelementptr inbounds i8, ptr %[[CUR4]], i64 8
 286   // WIN32: %[[NEXT4:.+]] = getelementptr inbounds i8, ptr %[[CUR4]], i32 8
 287   // WIN: store ptr %[[NEXT4]], ptr %[[ARGS]]
 288   // WIN: %[[LOADV4:.+]] = load <4 x i16>, ptr %[[CUR4]]
 289   // WIN: store <4 x i16> %[[LOADV4]], ptr
 290
 291   vint32_t8 E = __builtin_va_arg(args, vint32_t8);
 292   // LIN64: %[[AD5:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 293   // LIN64: %[[OFAA_P4:.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr %[[AD5]], i32 0, i32 2
 294   // LIN64: %[[OFAA:.+]] = load ptr, ptr %[[OFAA_P4]]
 295
 296   // LIN64: [[OFAA_GEP:%.*]] = getelementptr inbounds i8, ptr %[[OFAA]], i32 31
 297   // LIN64: %[[OFAA_ALIGNED:.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[OFAA_GEP]], i64 -32)
 298   // LIN64: %[[LOADV5:.+]] = load <8 x i32>, ptr %[[OFAA_ALIGNED]]
 299   // LIN64: store <8 x i32> %[[LOADV5]], ptr
 300
 301   // LIN32: %[[CUR5:.+]] = load ptr, ptr %[[ARGS]]
 302
 303   // LIN32: [[GEP_CUR5:%.*]] = getelementptr inbounds i8, ptr %[[CUR5]], i32 31
 304   // LIN32: %[[CUR5_ALIGNED:.*]] = call ptr @llvm.ptrmask.p0.i32(ptr [[GEP_CUR5]], i32 -32)
 305   // LIN32: %[[NEXT5:.+]] = getelementptr inbounds i8, ptr %[[CUR5_ALIGNED]], i32 32
 306   // LIN32: store ptr %[[NEXT5]], ptr %[[ARGS]]
 307   // LIN32: %[[LOADV5:.+]] = load <8 x i32>, ptr %[[CUR5_ALIGNED]]
 308   // LIN32: store <8 x i32> %[[LOADV5]], ptr
 309
 310   // WIN: %[[CUR5:.+]] = load ptr, ptr %[[ARGS]]
 311   // WIN64: %[[NEXT5:.+]] = getelementptr inbounds i8, ptr %[[CUR5]], i64 8
 312   // WIN32: %[[NEXT5:.+]] = getelementptr inbounds i8, ptr %[[CUR5]], i32 32
 313   // WIN: store ptr %[[NEXT5]], ptr %[[ARGS]]
 314   // WIN64: %[[LOADP5:.+]] = load ptr, ptr %[[CUR5]]
 315   // WIN64: %[[LOADV5:.+]] = load <8 x i32>, ptr %[[LOADP5]]
 316   // WIN32: %[[LOADV5:.+]] = load <8 x i32>, ptr %argp.cur9
 317   // WIN: store <8 x i32> %[[LOADV5]], ptr
 318
 319   __builtin_va_end(args);
 320   // LIN64: %[[ENDAD:.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %[[ARGS]]
 321   // LIN64: call void @llvm.va_end.p0(ptr %[[ENDAD]])
 322   // LIN32: call void @llvm.va_end.p0(ptr %[[ARGS]])
 323   // WIN: call void @llvm.va_end.p0(ptr %[[ARGS]])
 324 }
 325 void typeid_tests() {
 326   // LIN: define{{.*}} void @_Z12typeid_testsv()
 327   // WIN: define dso_local void @"?typeid_tests@@YAXXZ"()
 328   unsigned _BitInt(33) U33_1, U33_2;
 329   _BitInt(33) S33_1, S33_2;
 330   _BitInt(32) S32_1, S32_2;
 331
 332  auto A = typeid(U33_1);
 333  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDU33_)
 334  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDU33_)
 335  // WIN64: call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_UBitInt@$0CB@@__clang@@@8")
 336  // WIN32: call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_UBitInt@$0CB@@__clang@@@8")
 337  auto B = typeid(U33_2);
 338  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDU33_)
 339  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDU33_)
 340  // WIN64:  call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_UBitInt@$0CB@@__clang@@@8")
 341  // WIN32:  call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_UBitInt@$0CB@@__clang@@@8")
 342  auto C = typeid(S33_1);
 343  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDB33_)
 344  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDB33_)
 345  // WIN64:  call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_BitInt@$0CB@@__clang@@@8")
 346  // WIN32:  call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_BitInt@$0CB@@__clang@@@8")
 347  auto D = typeid(S33_2);
 348  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDB33_)
 349  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDB33_)
 350  // WIN64:  call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_BitInt@$0CB@@__clang@@@8")
 351  // WIN32:  call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_BitInt@$0CB@@__clang@@@8")
 352  auto E = typeid(S32_1);
 353  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDB32_)
 354  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDB32_)
 355  // WIN64:  call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_BitInt@$0CA@@__clang@@@8")
 356  // WIN32:  call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_BitInt@$0CA@@__clang@@@8")
 357  auto F = typeid(S32_2);
 358  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDB32_)
 359  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDB32_)
 360  // WIN64:  call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0U?$_BitInt@$0CA@@__clang@@@8")
 361  // WIN32:  call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0U?$_BitInt@$0CA@@__clang@@@8")
 362  auto G = typeid(uint16_t4);
 363  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDv4_DU16_)
 364  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDv4_DU16_)
 365  // WIN64: call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0T?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@8")
 366  // WIN32: call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0T?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@8")
 367  auto H = typeid(vint32_t8);
 368  // LIN64: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @_ZTIDv8_DB32_)
 369  // LIN32: call void @_ZNSt9type_infoC1ERKS_(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @_ZTIDv8_DB32_)
 370  // WIN64: call ptr @"??0type_info@std@@QEAA@AEBV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 8 dereferenceable(16) @"??_R0?AT?$__vector@U?$_BitInt@$0CA@@__clang@@$07@__clang@@@8")
 371  // WIN32: call x86_thiscallcc ptr @"??0type_info@std@@QAE@ABV01@@Z"(ptr {{[^,]*}} %{{.+}}, ptr nonnull align 4 dereferenceable(8) @"??_R0?AT?$__vector@U?$_BitInt@$0CA@@__clang@@$07@__clang@@@8")
 372 }
 373
 374 void ExplicitCasts() {
 375   // LIN: define{{.*}} void @_Z13ExplicitCastsv()
 376   // WIN: define dso_local void @"?ExplicitCasts@@YAXXZ"()
 377
 378   _BitInt(33) a;
 379   _BitInt(31) b;
 380   int i;
 381
 382   a = i;
 383   // CHECK: %[[CONV:.+]] = sext i32 %{{.+}} to i33
 384   b = i;
 385   // CHECK: %[[CONV:.+]] = trunc i32 %{{.+}} to i31
 386   i = a;
 387   // CHECK: %[[CONV:.+]] = trunc i33 %{{.+}} to i32
 388   i = b;
 389   // CHECK: %[[CONV:.+]] = sext i31 %{{.+}} to i32
 390   uint16_t4 c;
 391   c = i;
 392   // CHECK: %[[CONV:.+]] = trunc i32 %{{.+}} to i16
 393   // CHECK: %[[VEC:.+]] = insertelement <4 x i16> poison, i16 %[[CONV]], i64 0
 394   // CHECK: %[[Splat:.+]] = shufflevector <4 x i16> %[[VEC]], <4 x i16> poison, <4 x i32> zeroinitializer
 395 }
 396
 397 struct S {
 398   _BitInt(17) A;
 399   _BitInt(128) B;
 400   _BitInt(17) C;
 401   uint16_t4 D;
 402   vint32_t8 E;
 403 };
 404
 405 void OffsetOfTest() {
 406   // LIN: define{{.*}} void @_Z12OffsetOfTestv()
 407   // WIN: define dso_local void @"?OffsetOfTest@@YAXXZ"()
 408
 409   auto A = __builtin_offsetof(S,A);
 410   // CHECK: store i{{.+}} 0, ptr %{{.+}}
 411   auto B = __builtin_offsetof(S,B);
 412   // LIN64: store i{{.+}} 8, ptr %{{.+}}
 413   // LIN32: store i{{.+}} 4, ptr %{{.+}}
 414   // WIN: store i{{.+}} 8, ptr %{{.+}}
 415   auto C = __builtin_offsetof(S,C);
 416   // LIN64: store i{{.+}} 24, ptr %{{.+}}
 417   // LIN32: store i{{.+}} 20, ptr %{{.+}}
 418   // WIN: store i{{.+}} 24, ptr %{{.+}}
 419   auto D = __builtin_offsetof(S,D);
 420   // LIN64: store i64 32, ptr %{{.+}}
 421   // LIN32: store i32 24, ptr %{{.+}}
 422   // WIN: store i{{.+}} 32, ptr %{{.+}}
 423   auto E = __builtin_offsetof(S,E);
 424   // LIN64: store i64 64, ptr %{{.+}}
 425   // LIN32: store i32 32, ptr %{{.+}}
 426   // WIN: store i{{.+}} 64, ptr %{{.+}}
 427 }
 428
 429
 430 void ShiftBitIntByConstant(_BitInt(28) Ext) {
 431 // LIN: define{{.*}} void @_Z21ShiftBitIntByConstantDB28_
 432 // WIN: define dso_local void @"?ShiftBitIntByConstant@@YAXU?$_BitInt@$0BM@@__clang@@@Z"
 433   Ext << 7;
 434   // CHECK: shl i28 %{{.+}}, 7
 435   Ext >> 7;
 436   // CHECK: ashr i28 %{{.+}}, 7
 437   Ext << -7;
 438   // CHECK: shl i28 %{{.+}}, -7
 439   Ext >> -7;
 440   // CHECK: ashr i28 %{{.+}}, -7
 441
 442   // UB in C/C++, Defined in OpenCL.
 443   Ext << 29;
 444   // CHECK: shl i28 %{{.+}}, 29
 445   Ext >> 29;
 446   // CHECK: ashr i28 %{{.+}}, 29
 447 }
 448 void ShiftBitIntByConstant(uint16_t4 Ext) {
 449 // LIN64: define{{.*}} void @_Z21ShiftBitIntByConstantDv4_DU16_(double %
 450 // LIN32: define dso_local void @_Z21ShiftBitIntByConstantDv4_DU16_(i64 %
 451 // WIN: define dso_local void @"?ShiftBitIntByConstant@@YAXT?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@@Z"(<4 x i16>
 452   Ext << 7;
 453   // CHECK: shl <4 x i16> %{{.+}}, splat (i16 7)
 454   Ext >> 7;
 455   // CHECK: lshr <4 x i16> %{{.+}}, splat (i16 7)
 456   Ext << -7;
 457   // CHECK: shl <4 x i16> %{{.+}}, splat (i16 -7)
 458   Ext >> -7;
 459   // CHECK: lshr <4 x i16> %{{.+}}, splat (i16 -7)
 460
 461   // UB in C/C++, Defined in OpenCL.
 462   Ext << 29;
 463   // CHECK: shl <4 x i16> %{{.+}}, splat (i16 29)
 464   Ext >> 29;
 465   // CHECK: lshr <4 x i16> %{{.+}}, splat (i16 29)
 466 }
 467 void ShiftBitIntByConstant(vint32_t8 Ext) {
 468 // LIN64: define{{.*}} void @_Z21ShiftBitIntByConstantDv8_DB32_(ptr byval(<8 x i32>) align 32 %
 469 // LIN32: define dso_local void @_Z21ShiftBitIntByConstantDv8_DB32_(<8 x i32> %
 470 // WIN: define dso_local void @"?ShiftBitIntByConstant@@YAXT?$__vector@U?$_BitInt@$0CA@@__clang@@$07@__clang@@@Z"(<8 x i32>
 471   Ext << 7;
 472   // CHECK: shl <8 x i32> %{{.+}}, splat (i32 7)
 473   Ext >> 7;
 474   // CHECK: ashr <8 x i32> %{{.+}}, splat (i32 7)
 475   Ext << -7;
 476   // CHECK: shl <8 x i32> %{{.+}}, splat (i32 -7)
 477   Ext >> -7;
 478   // CHECK: ashr <8 x i32> %{{.+}}, splat (i32 -7)
 479
 480   // UB in C/C++, Defined in OpenCL.
 481   Ext << 29;
 482   // CHECK: shl <8 x i32> %{{.+}}, splat (i32 29)
 483   Ext >> 29;
 484   // CHECK: ashr <8 x i32> %{{.+}}, splat (i32 29)
 485 }
 486
 487 void ConstantShiftByBitInt(_BitInt(28) Ext, _BitInt(65) LargeExt) {
 488   // LIN: define{{.*}} void @_Z21ConstantShiftByBitIntDB28_DB65_
 489   // WIN: define dso_local void @"?ConstantShiftByBitInt@@YAXU?$_BitInt@$0BM@@__clang@@U?$_BitInt@$0EB@@2@@Z"
 490   10 << Ext;
 491   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
 492   // CHECK: shl i32 10, %[[PROMO]]
 493   10 >> Ext;
 494   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
 495   // CHECK: ashr i32 10, %[[PROMO]]
 496   10 << LargeExt;
 497   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
 498   // CHECK: shl i32 10, %[[PROMO]]
 499   10 >> LargeExt;
 500   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
 501   // CHECK: ashr i32 10, %[[PROMO]]
 502 }
 503
 504 void Shift(_BitInt(28) Ext, _BitInt(65) LargeExt, int i) {
 505   // LIN: define{{.*}} void @_Z5ShiftDB28_DB65_
 506   // WIN: define dso_local void @"?Shift@@YAXU?$_BitInt@$0BM@@__clang@@U?$_BitInt@$0EB@@2@H@Z"
 507   i << Ext;
 508   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
 509   // CHECK: shl i32 {{.+}}, %[[PROMO]]
 510   i >> Ext;
 511   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i32
 512   // CHECK: ashr i32 {{.+}}, %[[PROMO]]
 513
 514   i << LargeExt;
 515   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
 516   // CHECK: shl i32 {{.+}}, %[[PROMO]]
 517   i >> LargeExt;
 518   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i32
 519   // CHECK: ashr i32 {{.+}}, %[[PROMO]]
 520
 521   Ext << i;
 522   // CHECK: %[[BI:.+]] = trunc i32 %{{.+}} to i28
 523   // CHECK: %[[PROMO:.+]] = trunc i32 %{{.+}} to i28
 524   // CHECK: shl i28 %[[BI]], %[[PROMO]]
 525   Ext >> i;
 526   // CHECK: %[[BI:.+]] = trunc i32 %{{.+}} to i28
 527   // CHECK: %[[PROMO:.+]] = trunc i32 %{{.+}} to i28
 528   // CHECK: ashr i28 %[[BI]], %[[PROMO]]
 529
 530   LargeExt << i;
 531   // CHECK: %[[PROMO:.+]] = zext i32 %{{.+}} to i65
 532   // CHECK: shl i65 {{.+}}, %[[PROMO]]
 533   LargeExt >> i;
 534   // CHECK: %[[PROMO:.+]] = zext i32 %{{.+}} to i65
 535   // CHECK: ashr i65 {{.+}}, %[[PROMO]]
 536
 537   Ext << LargeExt;
 538   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i28
 539   // CHECK: shl i28 {{.+}}, %[[PROMO]]
 540   Ext >> LargeExt;
 541   // CHECK: %[[PROMO:.+]] = trunc i65 %{{.+}} to i28
 542   // CHECK: ashr i28 {{.+}}, %[[PROMO]]
 543
 544   LargeExt << Ext;
 545   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i65
 546   // CHECK: shl i65 {{.+}}, %[[PROMO]]
 547   LargeExt >> Ext;
 548   // CHECK: %[[PROMO:.+]] = zext i28 %{{.+}} to i65
 549   // CHECK: ashr i65 {{.+}}, %[[PROMO]]
 550 }
 551
 552 typedef  _BitInt(64) vint64_t16 __attribute__((vector_size(16)));
 553 void VectorTest(vint64_t16 first, vint64_t16 second) {
 554   // LIN: define{{.*}} void @_Z10VectorTestDv2_DB64_S0_(<2 x i64> %{{.+}}, <2 x i64> %{{.+}})
 555   // WIN64: define dso_local void @"?VectorTest@@YAXT?$__vector@U?$_BitInt@$0EA@@__clang@@$01@__clang@@0@Z"(<2 x i64> %{{.+}}, <2 x i64> %{{.+}})
 556   // WIN32: define dso_local void @"?VectorTest@@YAXT?$__vector@U?$_BitInt@$0EA@@__clang@@$01@__clang@@0@Z"(<2 x i64> inreg %{{.+}}, <2 x i64> inreg %{{.+}})
 557   __builtin_shufflevector (first, first, 1, 3, 2) + __builtin_shufflevector (second, second, 1, 3, 2);
 558   // CHECK: %[[Shuffle:.+]] = shufflevector <2 x i64> %{{.+}}, <2 x i64> %{{.+}}, <3 x i32> <i32 1, i32 3, i32 2>
 559   // CHECK:  %[[Shuffle1:.+]] = shufflevector <2 x i64> %{{.+}}, <2 x i64> %{{.+}}, <3 x i32> <i32 1, i32 3, i32 2>
 560   // CHECK: %[[ADD:.+]] = add <3 x i64> %[[Shuffle]], %[[Shuffle1]]
 561 }
 562
 563 void VectorTest(uint16_t4 first, uint16_t4 second) {
 564   // LIN64: define{{.*}} void @_Z10VectorTestDv4_DU16_S0_(double %{{.+}}, double %{{.+}})
 565   // LIN32: define{{.*}} void @_Z10VectorTestDv4_DU16_S0_(i64 %{{.+}}, i64 %{{.+}})
 566   // WIN64: define dso_local void @"?VectorTest@@YAXT?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@0@Z"(<4 x i16> %{{.+}}, <4 x i16> %{{.+}})
 567   // WIN32: define dso_local void @"?VectorTest@@YAXT?$__vector@U?$_UBitInt@$0BA@@__clang@@$03@__clang@@0@Z"(<4 x i16> inreg %{{.+}}, <4 x i16> inreg %{{.+}})
 568   first.xzw + second.zwx;
 569   // CHECK: %[[Shuffle:.+]] = shufflevector <4 x i16> %{{.+}}, <4 x i16> poison, <3 x i32> <i32 0, i32 2, i32 3>
 570   // CHECK: %[[Shuffle1:.+]] = shufflevector <4 x i16> %{{.+}}, <4 x i16> poison, <3 x i32> <i32 2, i32 3, i32 0>
 571   // CHECK: %[[ADD:.+]] = add <3 x i16> %[[Shuffle]], %[[Shuffle1]]
 572 }
 573
 574 // Ensure that these types don't alias the normal int types.
 575 void TBAATest(_BitInt(sizeof(int) * 8) ExtInt,
 576               unsigned _BitInt(sizeof(int) * 8) ExtUInt,
 577               _BitInt(6) Other) {
 578   // CHECK-DAG: store i32 %{{.+}}, ptr %{{.+}}, align 4, !tbaa ![[EXTINT_TBAA:.+]]
 579   // CHECK-DAG: store i32 %{{.+}}, ptr %{{.+}}, align 4, !tbaa ![[EXTINT_TBAA]]
 580   // CHECK-DAG: store i8 %{{.+}}, ptr %{{.+}}, align 1, !tbaa ![[EXTINT6_TBAA:.+]]
 581   ExtInt = 5;
 582   ExtUInt = 5;
 583   Other = 5;
 584 }
 585
 586 // NoNewStructPathTBAA-DAG: ![[CHAR_TBAA_ROOT:.+]] = !{!"omnipotent char", ![[TBAA_ROOT:.+]], i64 0}
 587 // NoNewStructPathTBAA-DAG: ![[TBAA_ROOT]] = !{!"Simple C++ TBAA"}
 588 // NoNewStructPathTBAA-DAG: ![[EXTINT_TBAA]] = !{![[EXTINT_TBAA_ROOT:.+]], ![[EXTINT_TBAA_ROOT]], i64 0}
 589 // NoNewStructPathTBAA-DAG: ![[EXTINT_TBAA_ROOT]] = !{!"_BitInt(32)", ![[CHAR_TBAA_ROOT]], i64 0}
 590 // NoNewStructPathTBAA-DAG: ![[EXTINT6_TBAA]] = !{![[EXTINT6_TBAA_ROOT:.+]], ![[EXTINT6_TBAA_ROOT]], i64 0}
 591 // NoNewStructPathTBAA-DAG: ![[EXTINT6_TBAA_ROOT]] = !{!"_BitInt(6)", ![[CHAR_TBAA_ROOT]], i64 0}
 592
 593 // NewStructPathTBAA-DAG: ![[CHAR_TBAA_ROOT:.+]] = !{![[TBAA_ROOT:.+]], i64 1, !"omnipotent char"}
 594 // NewStructPathTBAA-DAG: ![[TBAA_ROOT]] = !{!"Simple C++ TBAA"}
 595 // NewStructPathTBAA-DAG: ![[EXTINT_TBAA]] = !{![[EXTINT_TBAA_ROOT:.+]], ![[EXTINT_TBAA_ROOT]], i64 0, i64 4}
 596 // NewStructPathTBAA-DAG: ![[EXTINT_TBAA_ROOT]] = !{![[CHAR_TBAA_ROOT]], i64 4, !"_BitInt(32)"}
 597 // NewStructPathTBAA-DAG: ![[EXTINT6_TBAA]] = !{![[EXTINT6_TBAA_ROOT:.+]], ![[EXTINT6_TBAA_ROOT]], i64 0, i64 1}
 598 // NewStructPathTBAA-DAG: ![[EXTINT6_TBAA_ROOT]] = !{![[CHAR_TBAA_ROOT]], i64 1, !"_BitInt(6)"}
 599
 600 namespace A {
 601 template <int N> struct S {
 602   using T = _BitInt(N);
 603   T Data;
 604 };
 605 template <int N> void foo(S<N> B) {
 606   const auto Var = B.Data;
 607 }
 608
 609 void bar() {
 610   S<2080> a;
 611   foo(a);
 612 }
 613 }