| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD |
| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=global-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD |
| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LD |
| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=initial-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-IE |
| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LE |
| // |
| // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -femulated-tls -emit-llvm -o - 2>&1 | \ |
| // RUN: FileCheck %s -check-prefix=CHECK-GD |
| |
| int z1 = 0; |
| int z2; |
| int __thread x; |
| int f() { |
| static int __thread y; |
| return y++; |
| } |
| int __thread __attribute__((tls_model("initial-exec"))) z; |
| |
| // Note that unlike normal C uninitialized global variables, |
| // uninitialized TLS variables do NOT have COMMON linkage. |
| |
| // CHECK-GD: @z1 = global i32 0 |
| // CHECK-GD: @f.y = internal thread_local global i32 0 |
| // CHECK-GD: @z2 = common global i32 0 |
| // CHECK-GD: @x = thread_local global i32 0 |
| // CHECK-GD: @z = thread_local(initialexec) global i32 0 |
| |
| // CHECK-LD: @z1 = global i32 0 |
| // CHECK-LD: @f.y = internal thread_local(localdynamic) global i32 0 |
| // CHECK-LD: @z2 = common global i32 0 |
| // CHECK-LD: @x = thread_local(localdynamic) global i32 0 |
| // CHECK-LD: @z = thread_local(initialexec) global i32 0 |
| |
| // CHECK-IE: @z1 = global i32 0 |
| // CHECK-IE: @f.y = internal thread_local(initialexec) global i32 0 |
| // CHECK-IE: @z2 = common global i32 0 |
| // CHECK-IE: @x = thread_local(initialexec) global i32 0 |
| // CHECK-IE: @z = thread_local(initialexec) global i32 0 |
| |
| // CHECK-LE: @z1 = global i32 0 |
| // CHECK-LE: @f.y = internal thread_local(localexec) global i32 0 |
| // CHECK-LE: @z2 = common global i32 0 |
| // CHECK-LE: @x = thread_local(localexec) global i32 0 |
| // CHECK-LE: @z = thread_local(initialexec) global i32 0 |
