| Jun Ma | 4a17769 | 2020-06-16 14:30:36 +0800 | [diff] [blame] | 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 | struct S { |
| 20 | S(); |
| 21 | ~S(); |
| 22 | }; |
| 23 | struct T { |
| 24 | ~T(); |
| 25 | }; |
| 26 | |
| 27 | struct S thread_local s1; |
| 28 | struct T thread_local t1; |
| 29 | |
| 30 | // Note that unlike normal C uninitialized global variables, |
| 31 | // uninitialized TLS variables do NOT have COMMON linkage. |
| 32 | |
| 33 | // CHECK-GD: @z1 = global i32 0 |
| 34 | // CHECK-GD: @z2 = global i32 0 |
| 35 | // CHECK-GD: @x = thread_local global i32 0 |
| 36 | // CHECK-GD: @_ZZ1fvE1y = internal thread_local global i32 0 |
| 37 | // CHECK-GD: @z = thread_local(initialexec) global i32 0 |
| 38 | // CHECK-GD: @s1 = thread_local global %struct.S zeroinitializer |
| 39 | // CHECK-GD: @t1 = thread_local global %struct.T zeroinitializer |
| 40 | // CHECK-GD: @__tls_guard = internal thread_local global i8 0 |
| 41 | |
| 42 | // CHECK-LD: @z1 = global i32 0 |
| 43 | // CHECK-LD: @z2 = global i32 0 |
| 44 | // CHECK-LD: @x = thread_local(localdynamic) global i32 0 |
| 45 | // CHECK-LD: @_ZZ1fvE1y = internal thread_local(localdynamic) global i32 0 |
| 46 | // CHECK-LD: @z = thread_local(initialexec) global i32 0 |
| 47 | // CHECK-LD: @s1 = thread_local(localdynamic) global %struct.S zeroinitializer |
| 48 | // CHECK-LD: @t1 = thread_local(localdynamic) global %struct.T zeroinitializer |
| 49 | // CHECK-LD: @__tls_guard = internal thread_local(localdynamic) global i8 0 |
| 50 | |
| 51 | // CHECK-IE: @z1 = global i32 0 |
| 52 | // CHECK-IE: @z2 = global i32 0 |
| 53 | // CHECK-IE: @x = thread_local(initialexec) global i32 0 |
| 54 | // CHECK-IE: @_ZZ1fvE1y = internal thread_local(initialexec) global i32 0 |
| 55 | // CHECK-IE: @z = thread_local(initialexec) global i32 0 |
| 56 | // CHECK-IE: @s1 = thread_local(initialexec) global %struct.S zeroinitializer |
| 57 | // CHECK-IE: @t1 = thread_local(initialexec) global %struct.T zeroinitializer |
| 58 | // CHECK-IE: @__tls_guard = internal thread_local(initialexec) global i8 0 |
| 59 | |
| 60 | // CHECK-LE: @z1 = global i32 0 |
| 61 | // CHECK-LE: @z2 = global i32 0 |
| 62 | // CHECK-LE: @x = thread_local(localexec) global i32 0 |
| 63 | // CHECK-LE: @_ZZ1fvE1y = internal thread_local(localexec) global i32 0 |
| 64 | // CHECK-LE: @z = thread_local(initialexec) global i32 0 |
| 65 | // CHECK-LE: @s1 = thread_local(localexec) global %struct.S zeroinitializer |
| 66 | // CHECK-LE: @t1 = thread_local(localexec) global %struct.T zeroinitializer |
| 67 | // CHECK-LE: @__tls_guard = internal thread_local(localexec) global i8 0 |