45 lines
2.0 KiB
C
45 lines
2.0 KiB
C
// 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
|