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1; RUN: opt < %s | opt -S | FileCheck %s
2; RUN: verify-uselistorder %s
3; Basic smoke test for atomic operations.
4
5define 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 syncscope("singlethread") acquire, align 4
9  load atomic volatile i32, i32* %x syncscope("singlethread") acquire, align 4
10  ; CHECK: load atomic volatile i32, i32* %x syncscope("agent") acquire, align 4
11  load atomic volatile i32, i32* %x syncscope("agent") acquire, align 4
12  ; CHECK: store atomic i32 3, i32* %x release, align 4
13  store atomic i32 3, i32* %x release, align 4
14  ; CHECK: store atomic volatile i32 3, i32* %x syncscope("singlethread") monotonic, align 4
15  store atomic volatile i32 3, i32* %x syncscope("singlethread") monotonic, align 4
16  ; CHECK: store atomic volatile i32 3, i32* %x syncscope("workgroup") monotonic, align 4
17  store atomic volatile i32 3, i32* %x syncscope("workgroup") monotonic, align 4
18  ; CHECK: cmpxchg i32* %x, i32 1, i32 0 syncscope("singlethread") monotonic monotonic
19  cmpxchg i32* %x, i32 1, i32 0 syncscope("singlethread") monotonic monotonic
20  ; CHECK: cmpxchg i32* %x, i32 1, i32 0 syncscope("workitem") monotonic monotonic
21  cmpxchg i32* %x, i32 1, i32 0 syncscope("workitem") monotonic monotonic
22  ; CHECK: cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
23  cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
24  ; CHECK: cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
25  cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
26  ; CHECK: cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
27  cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
28  ; CHECK: atomicrmw add i32* %x, i32 10 seq_cst
29  atomicrmw add i32* %x, i32 10 seq_cst
30  ; CHECK: atomicrmw volatile xchg  i32* %x, i32 10 monotonic
31  atomicrmw volatile xchg i32* %x, i32 10 monotonic
32  ; CHECK: atomicrmw volatile xchg  i32* %x, i32 10 syncscope("agent") monotonic
33  atomicrmw volatile xchg i32* %x, i32 10 syncscope("agent") monotonic
34  ; CHECK: fence syncscope("singlethread") release
35  fence syncscope("singlethread") release
36  ; CHECK: fence seq_cst
37  fence seq_cst
38  ; CHECK: fence syncscope("device") seq_cst
39  fence syncscope("device") seq_cst
40  ret void
41}
42