42 lines
1.9 KiB
C++
42 lines
1.9 KiB
C++
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// RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -ftls-model=local-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LD
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struct A {
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A();
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~A();
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};
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// CHECK-DAG: $"??$a@X@@3UA@@A" = comdat any
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// CHECK-DAG: @"??$a@X@@3UA@@A" = linkonce_odr dso_local thread_local global %struct.A zeroinitializer, comdat, align 1
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// CHECK-DAG: @"??__E?$a@X@@YAXXZ$initializer$" = internal constant void ()* @"??__E?$a@X@@YAXXZ", section ".CRT$XDU", comdat($"??$a@X@@3UA@@A")
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// CHECK-LD-DAG: $"??$a@X@@3UA@@A" = comdat any
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// CHECK-LD-DAG: @"??$a@X@@3UA@@A" = linkonce_odr dso_local thread_local(localdynamic) global %struct.A zeroinitializer, comdat, align 1
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// CHECK-LD-DAG: @"??__E?$a@X@@YAXXZ$initializer$" = internal constant void ()* @"??__E?$a@X@@YAXXZ", section ".CRT$XDU", comdat($"??$a@X@@3UA@@A")
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template <typename T>
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thread_local A a = A();
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// CHECK-DAG: @"?b@@3UA@@A" = dso_local thread_local global %struct.A zeroinitializer, align 1
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// CHECK-DAG: @"__tls_init$initializer$" = internal constant void ()* @__tls_init, section ".CRT$XDU"
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// CHECK-LD-DAG: @"?b@@3UA@@A" = dso_local thread_local(localdynamic) global %struct.A zeroinitializer, align 1
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// CHECK-LD-DAG: @"__tls_init$initializer$" = internal constant void ()* @__tls_init, section ".CRT$XDU"
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thread_local A b;
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// CHECK-LABEL: define internal void @__tls_init()
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// CHECK: call void @"??__Eb@@YAXXZ"
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// CHECK-LD-LABEL: define internal void @__tls_init()
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// CHECK-LD: call void @"??__Eb@@YAXXZ"
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thread_local A &c = b;
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thread_local A &d = c;
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A f() {
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(void)a<void>;
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(void)b;
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return c;
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}
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// CHECK: !llvm.linker.options = !{![[dyn_tls_init:[0-9]+]]}
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// CHECK: ![[dyn_tls_init]] = !{!"/include:___dyn_tls_init@12"}
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// CHECK-LD: !llvm.linker.options = !{![[dyn_tls_init:[0-9]+]]}
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// CHECK-LD: ![[dyn_tls_init]] = !{!"/include:___dyn_tls_init@12"}
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