1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
int* foo(int** a, int* b, int* c) {
return __sync_val_compare_and_swap (a, b, c);
}
// CHECK: define i32* @foo
// CHECK: cmpxchg
int foo2(int** a, int* b, int* c) {
return __sync_bool_compare_and_swap (a, b, c);
}
// CHECK: define i32 @foo2
// CHECK: cmpxchg
int* foo3(int** a, int b) {
return __sync_fetch_and_add (a, b);
}
// CHECK: define i32* @foo3
// CHECK: atomicrmw add
int* foo4(int** a, int b) {
return __sync_fetch_and_sub (a, b);
}
// CHECK: define i32* @foo4
// CHECK: atomicrmw sub
int* foo5(int** a, int* b) {
return __sync_lock_test_and_set (a, b);
}
// CHECK: define i32* @foo5
// CHECK: atomicrmw xchg
int* foo6(int** a, int*** b) {
return __sync_lock_test_and_set (a, b);
}
// CHECK: define i32* @foo6
// CHECK: atomicrmw xchg
|