1 // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX %s 2 // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -O2 -disable-llvm-passes -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX,CHECK-OPT %s 3 // RUN: %clang_cc1 -std=c++11 -femulated-tls -emit-llvm %s -o - \ 4 // RUN: -triple x86_64-linux-gnu 2>&1 | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX %s 5 // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s 6 // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple powerpc64-unknown-aix-xcoff | FileCheck --check-prefixes=CHECK,AIX,LINUX_AIX %s 7 8 // RUN: %clang_cc1 -std=c++11 -fno-use-cxa-atexit -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX %s 9 // RUN: %clang_cc1 -std=c++11 -fno-use-cxa-atexit -emit-llvm %s -O2 -disable-llvm-passes -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX,CHECK-OPT %s 10 // RUN: %clang_cc1 -std=c++11 -fno-use-cxa-atexit -femulated-tls -emit-llvm %s -o - \ 11 // RUN: -triple x86_64-linux-gnu 2>&1 | FileCheck --check-prefixes=CHECK,LINUX,LINUX_AIX %s 12 // RUN: %clang_cc1 -std=c++11 -fno-use-cxa-atexit -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s 13 14 int f(); 15 int g(); 16 17 // LINUX_AIX-DAG: @a ={{.*}} thread_local global i32 0 18 // DARWIN-DAG: @a = internal thread_local global i32 0 19 thread_local int a = f(); 20 extern thread_local int b; 21 // CHECK-DAG: @c ={{.*}} global i32 0 22 int c = b; 23 // CHECK-DAG: @_ZL1d = internal thread_local global i32 0 24 static thread_local int d = g(); 25 26 struct U { static thread_local int m; }; 27 // LINUX_AIX-DAG: @_ZN1U1mE ={{.*}} thread_local global i32 0 28 // DARWIN-DAG: @_ZN1U1mE = internal thread_local global i32 0 29 thread_local int U::m = f(); 30 31 namespace MismatchedInitType { 32 // Check that we don't crash here when we're forced to create a new global 33 // variable (with a different type) when we add the initializer. 34 union U { 35 int a; 36 float f; 37 constexpr U() : f(0.0) {} 38 }; 39 static thread_local U u; 40 void *p = &u; 41 } 42 43 template<typename T> struct V { static thread_local int m; }; 44 template<typename T> thread_local int V<T>::m = g(); 45 46 template<typename T> struct W { static thread_local int m; }; 47 template<typename T> thread_local int W<T>::m = 123; 48 49 struct Dtor { ~Dtor(); }; 50 template<typename T> struct X { static thread_local Dtor m; }; 51 template<typename T> thread_local Dtor X<T>::m; 52 53 // CHECK-DAG: @e ={{.*}} global 54 void *e = V<int>::m + W<int>::m + &X<int>::m; 55 56 template thread_local int V<float>::m; 57 template thread_local int W<float>::m; 58 template thread_local Dtor X<float>::m; 59 60 extern template thread_local int V<char>::m; 61 extern template thread_local int W<char>::m; 62 extern template thread_local Dtor X<char>::m; 63 64 void *e2 = V<char>::m + W<char>::m + &X<char>::m; 65 66 // CHECK-DAG: @_ZN1VIiE1mE = linkonce_odr thread_local global i32 0 67 // CHECK-DAG: @_ZN1WIiE1mE = linkonce_odr thread_local global i32 123 68 // CHECK-DAG: @_ZN1XIiE1mE = linkonce_odr thread_local global {{.*}} 69 // CHECK-DAG: @_ZN1VIfE1mE = weak_odr thread_local global i32 0 70 // CHECK-DAG: @_ZN1WIfE1mE = weak_odr thread_local global i32 123 71 // CHECK-DAG: @_ZN1XIfE1mE = weak_odr thread_local global {{.*}} 72 73 // CHECK-DAG: @_ZZ1fvE1n = internal thread_local global i32 0 74 75 // CHECK-DAG: @_ZGVZ1fvE1n = internal thread_local global i8 0 76 77 // CHECK-DAG: @_ZZ8tls_dtorvE1s = internal thread_local global 78 // CHECK-DAG: @_ZGVZ8tls_dtorvE1s = internal thread_local global i8 0 79 80 // CHECK-DAG: @_ZZ8tls_dtorvE1t = internal thread_local global 81 // CHECK-DAG: @_ZGVZ8tls_dtorvE1t = internal thread_local global i8 0 82 83 // CHECK-DAG: @_ZZ8tls_dtorvE1u = internal thread_local global 84 // CHECK-DAG: @_ZGVZ8tls_dtorvE1u = internal thread_local global i8 0 85 // CHECK-DAG: @_ZGRZ8tls_dtorvE1u_ = internal thread_local global 86 87 // CHECK-DAG: @_ZGVN1VIiE1mE = linkonce_odr thread_local global i64 0 88 89 // CHECK-DAG: @__tls_guard = internal thread_local global i8 0 90 91 // CHECK-DAG: @llvm.global_ctors = appending global {{.*}} @[[GLOBAL_INIT:[^ ]*]] 92 93 // LINUX_AIX-DAG: @_ZTH1a ={{.*}} alias void (), void ()* @__tls_init 94 // DARWIN-DAG: @_ZTH1a = internal alias void (), void ()* @__tls_init 95 // LINUX_AIX-DAG: @_ZTHN1U1mE ={{.*}} alias void (), void ()* @__tls_init 96 // DARWIN-DAG: @_ZTHN1U1mE = internal alias void (), void ()* @__tls_init 97 // CHECK-DAG: @_ZTHN1VIiE1mE = linkonce_odr alias void (), void ()* @[[V_M_INIT:[^, ]*]] 98 // CHECK-DAG: @_ZTHN1XIiE1mE = linkonce_odr alias void (), void ()* @[[X_M_INIT:[^, ]*]] 99 // CHECK-DAG: @_ZTHN1VIfE1mE = weak_odr alias void (), void ()* @[[VF_M_INIT:[^, ]*]] 100 // CHECK-DAG: @_ZTHN1XIfE1mE = weak_odr alias void (), void ()* @[[XF_M_INIT:[^, ]*]] 101 // FIXME: We really want a CHECK-DAG-NOT for these. 102 // CHECK-NOT: @_ZTHN1WIiE1mE = 103 // CHECK-NOT: @_ZTHN1WIfE1mE = 104 // CHECK-NOT: @_ZTHL1d = 105 106 107 // Individual variable initialization functions: 108 109 // CHECK: define {{.*}} @[[A_INIT:.*]]() 110 // CHECK: call{{.*}} i32 @_Z1fv() 111 // CHECK-NEXT: store i32 {{.*}}, i32* @a, align 4 112 113 // CHECK-LABEL: define{{.*}} i32 @_Z1fv() 114 int f() { 115 // CHECK: %[[GUARD:.*]] = load i8, i8* @_ZGVZ1fvE1n, align 1 116 // CHECK: %[[NEED_INIT:.*]] = icmp eq i8 %[[GUARD]], 0 117 // CHECK: br i1 %[[NEED_INIT]]{{.*}} 118 119 // CHECK: %[[CALL:.*]] = call{{.*}} i32 @_Z1gv() 120 // CHECK: store i32 %[[CALL]], i32* @_ZZ1fvE1n, align 4 121 // CHECK: store i8 1, i8* @_ZGVZ1fvE1n 122 // CHECK: br label 123 static thread_local int n = g(); 124 125 // CHECK: load i32, i32* @_ZZ1fvE1n, align 4 126 return n; 127 } 128 129 // CHECK: define {{.*}} @[[C_INIT:.*]]() 130 // LINUX_AIX: call i32* @_ZTW1b() 131 // DARWIN: call cxx_fast_tlscc i32* @_ZTW1b() 132 // CHECK-NEXT: load i32, i32* %{{.*}}, align 4 133 // CHECK-NEXT: store i32 %{{.*}}, i32* @c, align 4 134 135 // LINUX_AIX-LABEL: define linkonce_odr hidden noundef i32* @_ZTW1b() 136 // LINUX: br i1 icmp ne (void ()* @_ZTH1b, void ()* null), 137 // AIX-NOT: br i1 icmp ne (void ()* @_ZTH1b, void ()* null), 138 // not null: 139 // LINUX_AIX: call void @_ZTH1b() 140 // LINUX: br label 141 // AIX-NOT: br label 142 // finally: 143 // LINUX_AIX: ret i32* @b 144 // DARWIN-LABEL: declare cxx_fast_tlscc noundef i32* @_ZTW1b() 145 // There is no definition of the thread wrapper on Darwin for external TLV. 146 147 // CHECK: define {{.*}} @[[D_INIT:.*]]() 148 // CHECK: call{{.*}} i32 @_Z1gv() 149 // CHECK-NEXT: store i32 %{{.*}}, i32* @_ZL1d, align 4 150 151 // CHECK: define {{.*}} @[[U_M_INIT:.*]]() 152 // CHECK: call{{.*}} i32 @_Z1fv() 153 // CHECK-NEXT: store i32 %{{.*}}, i32* @_ZN1U1mE, align 4 154 155 // CHECK: define {{.*}} @[[E_INIT:.*]]() 156 // LINUX_AIX: call i32* @_ZTWN1VIiE1mE() 157 // DARWIN: call cxx_fast_tlscc i32* @_ZTWN1VIiE1mE() 158 // CHECK-NEXT: load i32, i32* %{{.*}}, align 4 159 // LINUX_AIX: call {{.*}}* @_ZTWN1XIiE1mE() 160 // DARWIN: call cxx_fast_tlscc {{.*}}* @_ZTWN1XIiE1mE() 161 // CHECK: store {{.*}} @e 162 163 // LINUX_AIX-LABEL: define weak_odr hidden noundef i32* @_ZTWN1VIiE1mE() 164 // DARWIN-LABEL: define weak_odr hidden cxx_fast_tlscc noundef i32* @_ZTWN1VIiE1mE() 165 // LINUX_AIX: call void @_ZTHN1VIiE1mE() 166 // DARWIN: call cxx_fast_tlscc void @_ZTHN1VIiE1mE() 167 // CHECK: ret i32* @_ZN1VIiE1mE 168 169 // LINUX_AIX-LABEL: define weak_odr hidden noundef i32* @_ZTWN1WIiE1mE() 170 // DARWIN-LABEL: define weak_odr hidden cxx_fast_tlscc noundef i32* @_ZTWN1WIiE1mE() 171 // CHECK-NOT: call 172 // CHECK: ret i32* @_ZN1WIiE1mE 173 174 // LINUX_AIX-LABEL: define weak_odr hidden {{.*}}* @_ZTWN1XIiE1mE() 175 // DARWIN-LABEL: define weak_odr hidden cxx_fast_tlscc {{.*}}* @_ZTWN1XIiE1mE() 176 // LINUX_AIX: call void @_ZTHN1XIiE1mE() 177 // DARWIN: call cxx_fast_tlscc void @_ZTHN1XIiE1mE() 178 // CHECK: ret {{.*}}* @_ZN1XIiE1mE 179 180 // LINUX_AIX: define internal void @[[VF_M_INIT]]() 181 // DARWIN: define internal cxx_fast_tlscc void @[[VF_M_INIT]]() 182 // CHECK-NOT: comdat 183 // CHECK: load i8, i8* bitcast (i64* @_ZGVN1VIfE1mE to i8*) 184 // CHECK: %[[VF_M_INITIALIZED:.*]] = icmp eq i8 %{{.*}}, 0 185 // CHECK: br i1 %[[VF_M_INITIALIZED]], 186 // need init: 187 // CHECK: call{{.*}} i32 @_Z1gv() 188 // CHECK: store i32 %{{.*}}, i32* @_ZN1VIfE1mE, align 4 189 // CHECK: store i8 1, i8* bitcast (i64* @_ZGVN1VIfE1mE to i8*) 190 // CHECK: br label 191 192 // LINUX_AIX: define internal void @[[XF_M_INIT]]() 193 // DARWIN: define internal cxx_fast_tlscc void @[[XF_M_INIT]]() 194 // CHECK-NOT: comdat 195 // CHECK: load i8, i8* bitcast (i64* @_ZGVN1XIfE1mE to i8*) 196 // CHECK: %[[XF_M_INITIALIZED:.*]] = icmp eq i8 %{{.*}}, 0 197 // CHECK: br i1 %[[XF_M_INITIALIZED]], 198 // need init: 199 // AIX-NOT: br 200 // LINUX: call {{.*}}__cxa_thread_atexit 201 // AIX: call {{.*}}__pt_atexit_np 202 // DARWIN: call {{.*}}_tlv_atexit 203 // CHECK: store i8 1, i8* bitcast (i64* @_ZGVN1XIfE1mE to i8*) 204 // CHECK: br label 205 206 // LINUX: declare i32 @__cxa_thread_atexit(void (i8*)*, i8*, i8*) 207 // AIX: declare i32 @__pt_atexit_np(i32, i32 (i32, ...)*, ...) 208 // DARWIN: declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) 209 210 // DARWIN: declare cxx_fast_tlscc noundef i32* @_ZTWN1VIcE1mE() 211 // LINUX_AIX: define linkonce_odr hidden noundef i32* @_ZTWN1VIcE1mE() {{#[0-9]+}}{{( comdat)?}} { 212 // LINUX: br i1 icmp ne (void ()* @_ZTHN1VIcE1mE, 213 // AIX-NOT: br i1 icmp ne (void ()* @_ZTHN1VIcE1mE 214 // LINUX_AIX: call void @_ZTHN1VIcE1mE() 215 // LINUX_AIX: ret i32* @_ZN1VIcE1mE 216 217 // DARWIN: declare cxx_fast_tlscc noundef i32* @_ZTWN1WIcE1mE() 218 // LINUX_AIX: define linkonce_odr hidden noundef i32* @_ZTWN1WIcE1mE() {{#[0-9]+}}{{( comdat)?}} { 219 // LINUX: br i1 icmp ne (void ()* @_ZTHN1WIcE1mE, 220 // AIX-NOT: br i1 icmp ne (void ()* @_ZTHN1WIcE1mE, 221 // LINUX_AIX: call void @_ZTHN1WIcE1mE() 222 // LINUX_AIX: ret i32* @_ZN1WIcE1mE 223 224 // DARWIN: declare cxx_fast_tlscc {{.*}}* @_ZTWN1XIcE1mE() 225 // LINUX_AIX: define linkonce_odr hidden {{.*}}* @_ZTWN1XIcE1mE() {{#[0-9]+}}{{( comdat)?}} { 226 // LINUX: br i1 icmp ne (void ()* @_ZTHN1XIcE1mE, 227 // AIX-NOT: br i1 icmp ne (void ()* @_ZTHN1XIcE1mE, 228 // LINUX_AIX: call void @_ZTHN1XIcE1mE() 229 // LINUX_AIX: ret {{.*}}* @_ZN1XIcE1mE 230 231 struct S { S(); ~S(); }; 232 struct T { ~T(); }; 233 234 // CHECK-LABEL: define{{.*}} void @_Z8tls_dtorv() 235 void tls_dtor() { 236 // CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1s 237 // CHECK: call void @_ZN1SC1Ev(%struct.S* {{[^,]*}} @_ZZ8tls_dtorvE1s) 238 // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZZ8tls_dtorvE1s{{.*}} @__dso_handle 239 // AIX: call i32 (i32, i32 (i32, ...)*, ...) @__pt_atexit_np(i32 0, {{.*}}@__dtor__ZZ8tls_dtorvE1s){{.*}} 240 // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZZ8tls_dtorvE1s{{.*}} @__dso_handle 241 // CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1s 242 static thread_local S s; 243 244 // CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1t 245 // CHECK-NOT: _ZN1T 246 // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1TD1Ev {{.*}}@_ZZ8tls_dtorvE1t{{.*}} @__dso_handle 247 // AIX: call i32 (i32, i32 (i32, ...)*, ...) @__pt_atexit_np(i32 0, {{.*}}@__dtor__ZZ8tls_dtorvE1t){{.*}} 248 // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1TD1Ev {{.*}}@_ZZ8tls_dtorvE1t{{.*}} @__dso_handle 249 // CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1t 250 static thread_local T t; 251 252 // CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1u 253 // CHECK: call void @_ZN1SC1Ev(%struct.S* {{[^,]*}} @_ZGRZ8tls_dtorvE1u_) 254 // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZGRZ8tls_dtorvE1u_{{.*}} @__dso_handle 255 // AIX: call i32 (i32, i32 (i32, ...)*, ...) @__pt_atexit_np(i32 0, {{.*}}__dtor__ZZ8tls_dtorvE1u){{.*}} 256 // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZGRZ8tls_dtorvE1u_{{.*}} @__dso_handle 257 // CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1u 258 static thread_local const S &u = S(); 259 } 260 261 // AIX: define {{.*}}@__dtor__ZZ8tls_dtorvE1s(i32 noundef signext %0, ...){{.*}}{ 262 // AIX: entry: 263 // AIX: %.addr = alloca i32, align 4 264 // AIX: store i32 %0, i32* %.addr, align 4 265 // AIX: call void @_ZN1SD1Ev(%struct.S* @_ZZ8tls_dtorvE1s) 266 // AIX: ret i32 0 267 // AIX: } 268 269 // AIX: define {{.*}}@__dtor__ZZ8tls_dtorvE1t(i32 noundef signext %0, ...){{.*}}{ 270 // AIX: entry: 271 // AIX: %.addr = alloca i32, align 4 272 // AIX: store i32 %0, i32* %.addr, align 4 273 // AIX: call void @_ZN1TD1Ev(%struct.T* @_ZZ8tls_dtorvE1t) 274 // AIX: ret i32 0 275 // AIX: } 276 277 // AIX: define {{.*}}@__dtor__ZZ8tls_dtorvE1u(i32 noundef signext %0, ...){{.*}}{ 278 // AIX: entry: 279 // AIX: %.addr = alloca i32, align 4 280 // AIX: store i32 %0, i32* %.addr, align 4 281 // AIX: call void @_ZN1SD1Ev(%struct.S* @_ZGRZ8tls_dtorvE1u_) 282 // AIX: ret i32 0 283 // AIX: } 284 285 // CHECK: define {{.*}} @_Z7PR15991v( 286 int PR15991() { 287 thread_local int n; 288 auto l = [] { return n; }; 289 return l(); 290 } 291 292 struct PR19254 { 293 static thread_local int n; 294 int f(); 295 }; 296 // CHECK: define {{.*}} @_ZN7PR192541fEv( 297 int PR19254::f() { 298 // LINUX_AIX: call void @_ZTHN7PR192541nE( 299 // DARWIN: call cxx_fast_tlscc i32* @_ZTWN7PR192541nE( 300 return this->n; 301 } 302 303 namespace { 304 thread_local int anon_i{f()}; 305 } 306 void set_anon_i() { 307 anon_i = 2; 308 } 309 // LINUX_AIX-LABEL: define internal noundef i32* @_ZTWN12_GLOBAL__N_16anon_iE() 310 // DARWIN-LABEL: define internal cxx_fast_tlscc noundef i32* @_ZTWN12_GLOBAL__N_16anon_iE() 311 312 // LINUX_AIX: define internal void @[[V_M_INIT]]() 313 // DARWIN: define internal cxx_fast_tlscc void @[[V_M_INIT]]() 314 // CHECK-NOT: comdat 315 // CHECK: load i8, i8* bitcast (i64* @_ZGVN1VIiE1mE to i8*) 316 // CHECK: %[[V_M_INITIALIZED:.*]] = icmp eq i8 %{{.*}}, 0 317 // CHECK: br i1 %[[V_M_INITIALIZED]], 318 // need init: 319 // CHECK: call{{.*}} i32 @_Z1gv() 320 // CHECK: store i32 %{{.*}}, i32* @_ZN1VIiE1mE, align 4 321 // CHECK: store i8 1, i8* bitcast (i64* @_ZGVN1VIiE1mE to i8*) 322 // CHECK: br label 323 324 // LINUX_AIX: define internal void @[[X_M_INIT]]() 325 // DARWIN: define internal cxx_fast_tlscc void @[[X_M_INIT]]() 326 // CHECK-NOT: comdat 327 // CHECK: load i8, i8* bitcast (i64* @_ZGVN1XIiE1mE to i8*) 328 // CHECK: %[[X_M_INITIALIZED:.*]] = icmp eq i8 %{{.*}}, 0 329 // CHECK: br i1 %[[X_M_INITIALIZED]], 330 // need init: 331 // LINUX: call {{.*}}__cxa_thread_atexit 332 // AIX: call {{.*}}__pt_atexit_np 333 // DARWIN: call {{.*}}_tlv_atexit 334 // CHECK: store i8 1, i8* bitcast (i64* @_ZGVN1XIiE1mE to i8*) 335 // CHECK: br label 336 337 // CHECK: define {{.*}}@[[GLOBAL_INIT:.*]]() 338 // CHECK: call void @[[C_INIT]]() 339 // CHECK: call void @[[E_INIT]]() 340 341 342 // CHECK: define {{.*}}@__tls_init() 343 // CHECK: load i8, i8* @__tls_guard 344 // CHECK: %[[NEED_TLS_INIT:.*]] = icmp eq i8 %{{.*}}, 0 345 // CHECK: br i1 %[[NEED_TLS_INIT]], 346 // init: 347 // CHECK: store i8 1, i8* @__tls_guard 348 // CHECK-OPT: call {}* @llvm.invariant.start.p0i8(i64 1, i8* @__tls_guard) 349 // CHECK-NOT: call void @[[V_M_INIT]]() 350 // CHECK: call void @[[A_INIT]]() 351 // CHECK-NOT: call void @[[V_M_INIT]]() 352 // CHECK: call void @[[D_INIT]]() 353 // CHECK-NOT: call void @[[V_M_INIT]]() 354 // CHECK: call void @[[U_M_INIT]]() 355 // CHECK-NOT: call void @[[V_M_INIT]]() 356 357 358 // LINUX_AIX: define weak_odr hidden noundef i32* @_ZTW1a() 359 // DARWIN: define cxx_fast_tlscc noundef i32* @_ZTW1a() 360 // LINUX_AIX: call void @_ZTH1a() 361 // DARWIN: call cxx_fast_tlscc void @_ZTH1a() 362 // CHECK: ret i32* @a 363 // CHECK: } 364 365 366 // Should not emit a thread wrapper for internal-linkage unused variable 'd'. 367 // We separately check that 'd' does in fact get initialized with the other 368 // thread-local variables in this TU. 369 // CHECK-NOT: define {{.*}} @_ZTWL1d() 370 371 // LINUX_AIX-LABEL: define weak_odr hidden noundef i32* @_ZTWN1U1mE() 372 // DARWIN-LABEL: define cxx_fast_tlscc noundef i32* @_ZTWN1U1mE() 373 // LINUX_AIX: call void @_ZTHN1U1mE() 374 // DARWIN: call cxx_fast_tlscc void @_ZTHN1U1mE() 375 // CHECK: ret i32* @_ZN1U1mE 376 377 // LINUX_AIX: declare extern_weak void @_ZTH1b() [[ATTR:#[0-9]+]] 378 379 // AIX: define linkonce_odr void @_ZTHN1WIiE1mE(){{.*}} { 380 // AIX-NEXT: ret void 381 // AIX-NEXT: } 382 // CHECK-NOT: @_ZTHN1WIfE1mE = 383 // AIX: define weak_odr void @_ZTHN1WIfE1mE(){{.*}} { 384 // AIX-NEXT: ret void 385 // AIX-NEXT: } 386 387 // LINUX_AIX: attributes [[ATTR]] = { {{.+}} } 388