1 // RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s 2 // RUN: %clang_cc1 -triple riscv32 -emit-llvm -o - %s | FileCheck %s 3 // RUN: %clang_cc1 -triple riscv64 -emit-llvm -o - %s | FileCheck %s 4 5 // CHECK: @b = external thread_local global 6 // CHECK: @d.e = internal thread_local global 7 // CHECK: @d.f = internal thread_local global 8 // CHECK: @f.a = internal thread_local(initialexec) global 9 // CHECK: @a = thread_local global 10 // CHECK: @g = thread_local global 11 // CHECK: @h = thread_local(localdynamic) global 12 // CHECK: @i = thread_local(initialexec) global 13 // CHECK: @j = thread_local(localexec) global 14 15 // CHECK-NOT: @_ZTW 16 // CHECK-NOT: @_ZTH 17 18 __thread int a; 19 extern __thread int b; c()20int c() { return *&b; } d()21int d() { 22 __thread static int e; 23 __thread static union {float a; int b;} f = {.b = 1}; 24 return 0; 25 } 26 27 __thread int g __attribute__((tls_model("global-dynamic"))); 28 __thread int h __attribute__((tls_model("local-dynamic"))); 29 __thread int i __attribute__((tls_model("initial-exec"))); 30 __thread int j __attribute__((tls_model("local-exec"))); 31 f()32int f() { 33 __thread static int a __attribute__((tls_model("initial-exec"))); 34 return a++; 35 } 36