forked from OSchip/llvm-project
38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
// RUN: %clang_cc1 < %s -triple armv5e-none-linux-gnueabi -emit-llvm -O1 | FileCheck %s
|
|
|
|
enum memory_order {
|
|
memory_order_relaxed, memory_order_consume, memory_order_acquire,
|
|
memory_order_release, memory_order_acq_rel, memory_order_seq_cst
|
|
};
|
|
|
|
int *test_c11_atomic_fetch_add_int_ptr(_Atomic(int *) *p) {
|
|
// CHECK: test_c11_atomic_fetch_add_int_ptr
|
|
// CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_add_4(i8* {{%[0-9]+}}, i32 12, i32 5)
|
|
return __c11_atomic_fetch_add(p, 3, memory_order_seq_cst);
|
|
}
|
|
|
|
int *test_c11_atomic_fetch_sub_int_ptr(_Atomic(int *) *p) {
|
|
// CHECK: test_c11_atomic_fetch_sub_int_ptr
|
|
// CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 20, i32 5)
|
|
return __c11_atomic_fetch_sub(p, 5, memory_order_seq_cst);
|
|
}
|
|
|
|
int test_c11_atomic_fetch_add_int(_Atomic(int) *p) {
|
|
// CHECK: test_c11_atomic_fetch_add_int
|
|
// CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_add_4(i8* {{%[0-9]+}}, i32 3, i32 5)
|
|
return __c11_atomic_fetch_add(p, 3, memory_order_seq_cst);
|
|
}
|
|
|
|
int test_c11_atomic_fetch_sub_int(_Atomic(int) *p) {
|
|
// CHECK: test_c11_atomic_fetch_sub_int
|
|
// CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 5, i32 5)
|
|
return __c11_atomic_fetch_sub(p, 5, memory_order_seq_cst);
|
|
}
|
|
|
|
int *fp2a(int **p) {
|
|
// CHECK: @fp2a
|
|
// CHECK: {{%[^ ]*}} = tail call i32 @__atomic_fetch_sub_4(i8* {{%[0-9]+}}, i32 4, i32 0)
|
|
// Note, the GNU builtins do not multiply by sizeof(T)!
|
|
return __atomic_fetch_sub(p, 4, memory_order_relaxed);
|
|
}
|