1 ; RUN: opt < %s | opt -S | FileCheck %s
2 ; RUN: verify-uselistorder %s
3 ; Basic smoke test for atomic operations.
5 define void @f(i32* %x) {
6 ; CHECK: load atomic i32, i32* %x unordered, align 4
7 load atomic i32, i32* %x unordered, align 4
8 ; CHECK: load atomic volatile i32, i32* %x singlethread acquire, align 4
9 load atomic volatile i32, i32* %x singlethread acquire, align 4
10 ; CHECK: store atomic i32 3, i32* %x release, align 4
11 store atomic i32 3, i32* %x release, align 4
12 ; CHECK: store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
13 store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
14 ; CHECK: cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
15 cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
16 ; CHECK: cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
17 cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
18 ; CHECK: cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
19 cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
20 ; CHECK: cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
21 cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
22 ; CHECK: atomicrmw add i32* %x, i32 10 seq_cst
23 atomicrmw add i32* %x, i32 10 seq_cst
24 ; CHECK: atomicrmw volatile xchg i32* %x, i32 10 monotonic
25 atomicrmw volatile xchg i32* %x, i32 10 monotonic
26 ; CHECK: fence singlethread release
27 fence singlethread release
28 ; CHECK: fence seq_cst