| // RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -fms-compatibility-version=19.25 -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -fms-compatibility-version=19.20 -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LEGACY |
| // RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -fms-compatibility-version=19.25 -ftls-model=local-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LD |
| |
| struct A { |
| A(); |
| ~A(); |
| }; |
| |
| // CHECK-DAG: $"??$a@X@@3UA@@A" = comdat any |
| // CHECK-DAG: @"??$a@X@@3UA@@A" = linkonce_odr dso_local thread_local global %struct.A zeroinitializer, comdat, align 1 |
| // CHECK-DAG: @"??__E?$a@X@@YAXXZ$initializer$" = internal constant ptr @"??__E?$a@X@@YAXXZ", section ".CRT$XDU", comdat($"??$a@X@@3UA@@A") |
| // CHECK-LD-DAG: $"??$a@X@@3UA@@A" = comdat any |
| // CHECK-LD-DAG: @"??$a@X@@3UA@@A" = linkonce_odr dso_local thread_local(localdynamic) global %struct.A zeroinitializer, comdat, align 1 |
| // CHECK-LD-DAG: @"??__E?$a@X@@YAXXZ$initializer$" = internal constant ptr @"??__E?$a@X@@YAXXZ", section ".CRT$XDU", comdat($"??$a@X@@3UA@@A") |
| template <typename T> |
| thread_local A a = A(); |
| |
| // CHECK-DAG: @"?b@@3UA@@A" = dso_local thread_local global %struct.A zeroinitializer, align 1 |
| // CHECK-DAG: @"__tls_init$initializer$" = internal constant ptr @__tls_init, section ".CRT$XDU" |
| // CHECK-DAG: @__tls_guard = external dso_local thread_local global i8 |
| // CHECK-LD-DAG: @"?b@@3UA@@A" = dso_local thread_local(localdynamic) global %struct.A zeroinitializer, align 1 |
| // CHECK-LD-DAG: @"__tls_init$initializer$" = internal constant ptr @__tls_init, section ".CRT$XDU" |
| // CHECK-LD-DAG: @__tls_guard = external dso_local thread_local global i8 |
| // CHECK-LEGACY-NOT: @__tls_guard = external dso_local thread_local global i8 |
| thread_local A b; |
| |
| // CHECK-LABEL: declare dso_local void @__dyn_tls_on_demand_init() |
| // CHECK-LD-LABEL: declare dso_local void @__dyn_tls_on_demand_init() |
| // CHECK-LEGACY-NOT: declare dso_local void @__dyn_tls_on_demand_init() |
| |
| // CHECK-LABEL: define dso_local void @"?f@@YA?AUA@@XZ"(ptr dead_on_unwind noalias writable sret(%struct.A) align 1 %agg.result) |
| // CHECK: call void @__dyn_tls_on_demand_init() |
| // CHECK-LD-LABEL: define dso_local void @"?f@@YA?AUA@@XZ"(ptr dead_on_unwind noalias writable sret(%struct.A) align 1 %agg.result) |
| // CHECK-LD: call void @__dyn_tls_on_demand_init() |
| // CHECK-LEGACY-NOT: call void @__dyn_tls_on_demand_init() |
| |
| thread_local A &c = b; |
| thread_local A &d = c; |
| |
| A f() { |
| (void)a<void>; |
| (void)b; |
| return c; |
| } |
| |
| // CHECK-LABEL: define dso_local noundef i32 @"?g@@YAHXZ"() |
| // CHECK-NOT: call void @__dyn_tls_on_demand_init() |
| // CHECK-LD-LABEL: define dso_local noundef i32 @"?g@@YAHXZ"() |
| // CHECK-LD-NOT: call void @__dyn_tls_on_demand_init() |
| |
| thread_local int e = 2; |
| |
| int g() { |
| return e; |
| } |
| |
| // CHECK-LABEL: define internal void @__tls_init() |
| // CHECK: call void @"??__Eb@@YAXXZ" |
| // CHECK-LD-LABEL: define internal void @__tls_init() |
| // CHECK-LD: call void @"??__Eb@@YAXXZ" |
| |
| // CHECK: !llvm.linker.options = !{![[dyn_tls_init:[0-9]+]]} |
| // CHECK: ![[dyn_tls_init]] = !{!"/include:___dyn_tls_init@12"} |
| // CHECK-LD: !llvm.linker.options = !{![[dyn_tls_init:[0-9]+]]} |
| // CHECK-LD: ![[dyn_tls_init]] = !{!"/include:___dyn_tls_init@12"} |
