xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/thread-specifier.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc // CHECK: @b = external thread_local global
4*f4a2713aSLionel Sambuc // CHECK: @d.e = internal thread_local global
5*f4a2713aSLionel Sambuc // CHECK: @d.f = internal thread_local global
6*f4a2713aSLionel Sambuc // CHECK: @f.a = internal thread_local(initialexec) global
7*f4a2713aSLionel Sambuc // CHECK: @a = thread_local global
8*f4a2713aSLionel Sambuc // CHECK: @g = thread_local global
9*f4a2713aSLionel Sambuc // CHECK: @h = thread_local(localdynamic) global
10*f4a2713aSLionel Sambuc // CHECK: @i = thread_local(initialexec) global
11*f4a2713aSLionel Sambuc // CHECK: @j = thread_local(localexec) global
12*f4a2713aSLionel Sambuc 
13*f4a2713aSLionel Sambuc // CHECK-NOT: @_ZTW
14*f4a2713aSLionel Sambuc // CHECK-NOT: @_ZTH
15*f4a2713aSLionel Sambuc 
16*f4a2713aSLionel Sambuc __thread int a;
17*f4a2713aSLionel Sambuc extern __thread int b;
c()18*f4a2713aSLionel Sambuc int c() { return *&b; }
d()19*f4a2713aSLionel Sambuc int d() {
20*f4a2713aSLionel Sambuc   __thread static int e;
21*f4a2713aSLionel Sambuc   __thread static union {float a; int b;} f = {.b = 1};
22*f4a2713aSLionel Sambuc   return 0;
23*f4a2713aSLionel Sambuc }
24*f4a2713aSLionel Sambuc 
25*f4a2713aSLionel Sambuc __thread int g __attribute__((tls_model("global-dynamic")));
26*f4a2713aSLionel Sambuc __thread int h __attribute__((tls_model("local-dynamic")));
27*f4a2713aSLionel Sambuc __thread int i __attribute__((tls_model("initial-exec")));
28*f4a2713aSLionel Sambuc __thread int j __attribute__((tls_model("local-exec")));
29*f4a2713aSLionel Sambuc 
f()30*f4a2713aSLionel Sambuc int f() {
31*f4a2713aSLionel Sambuc   __thread static int a __attribute__((tls_model("initial-exec")));
32*f4a2713aSLionel Sambuc   return a++;
33*f4a2713aSLionel Sambuc }
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