1 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD 2 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=global-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD 3 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LD 4 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=initial-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-IE 5 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LE 6 // 7 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -femulated-tls -emit-llvm -o - 2>&1 | \ 8 // RUN: FileCheck %s -check-prefix=CHECK-GD 9 10 int z1 = 0; 11 int z2; 12 int __thread x; 13 int f() { 14 static int __thread y; 15 return y++; 16 } 17 int __thread __attribute__((tls_model("initial-exec"))) z; 18 19 // Note that unlike normal C uninitialized global variables, 20 // uninitialized TLS variables do NOT have COMMON linkage. 21 22 // CHECK-GD: @z1 = global i32 0 23 // CHECK-GD: @f.y = internal thread_local global i32 0 24 // CHECK-GD: @z2 = common global i32 0 25 // CHECK-GD: @x = thread_local global i32 0 26 // CHECK-GD: @z = thread_local(initialexec) global i32 0 27 28 // CHECK-LD: @z1 = global i32 0 29 // CHECK-LD: @f.y = internal thread_local(localdynamic) global i32 0 30 // CHECK-LD: @z2 = common global i32 0 31 // CHECK-LD: @x = thread_local(localdynamic) global i32 0 32 // CHECK-LD: @z = thread_local(initialexec) global i32 0 33 34 // CHECK-IE: @z1 = global i32 0 35 // CHECK-IE: @f.y = internal thread_local(initialexec) global i32 0 36 // CHECK-IE: @z2 = common global i32 0 37 // CHECK-IE: @x = thread_local(initialexec) global i32 0 38 // CHECK-IE: @z = thread_local(initialexec) global i32 0 39 40 // CHECK-LE: @z1 = global i32 0 41 // CHECK-LE: @f.y = internal thread_local(localexec) global i32 0 42 // CHECK-LE: @z2 = common global i32 0 43 // CHECK-LE: @x = thread_local(localexec) global i32 0 44 // CHECK-LE: @z = thread_local(initialexec) global i32 0 45
