1 // RUN: %clang_cc1 < %s -triple armv5e-none-linux-gnueabi -emit-llvm -O1 | FileCheck %s
2
3 enum memory_order {
4 memory_order_relaxed, memory_order_consume, memory_order_acquire,
5 memory_order_release, memory_order_acq_rel, memory_order_seq_cst
6 };
7
test_c11_atomic_fetch_add_int_ptr(_Atomic (int *)* p)8 int *test_c11_atomic_fetch_add_int_ptr(_Atomic(int *) *p) {
9 // CHECK: test_c11_atomic_fetch_add_int_ptr
10 // CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_add_4(i8* {{%[0-9]+}}, i32 12, i32 5)
11 return __c11_atomic_fetch_add(p, 3, memory_order_seq_cst);
12 }
13
test_c11_atomic_fetch_sub_int_ptr(_Atomic (int *)* p)14 int *test_c11_atomic_fetch_sub_int_ptr(_Atomic(int *) *p) {
15 // CHECK: test_c11_atomic_fetch_sub_int_ptr
16 // CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 20, i32 5)
17 return __c11_atomic_fetch_sub(p, 5, memory_order_seq_cst);
18 }
19
test_c11_atomic_fetch_add_int(_Atomic (int)* p)20 int test_c11_atomic_fetch_add_int(_Atomic(int) *p) {
21 // CHECK: test_c11_atomic_fetch_add_int
22 // CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_add_4(i8* {{%[0-9]+}}, i32 3, i32 5)
23 return __c11_atomic_fetch_add(p, 3, memory_order_seq_cst);
24 }
25
test_c11_atomic_fetch_sub_int(_Atomic (int)* p)26 int test_c11_atomic_fetch_sub_int(_Atomic(int) *p) {
27 // CHECK: test_c11_atomic_fetch_sub_int
28 // CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 5, i32 5)
29 return __c11_atomic_fetch_sub(p, 5, memory_order_seq_cst);
30 }
31
fp2a(int ** p)32 int *fp2a(int **p) {
33 // CHECK: @fp2a
34 // CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 4, i32 0)
35 // Note, the GNU builtins do not multiply by sizeof(T)!
36 return __atomic_fetch_sub(p, 4, memory_order_relaxed);
37 }
38