| Eli Friedman | 222b5a4 | 2011-09-19 19:41:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s | opt -S | FileCheck %s |
| Duncan P. N. Exon Smith | c8eccd1 | 2014-08-19 21:08:27 +0000 | [diff] [blame] | 2 | ; RUN: verify-uselistorder %s |
| Eli Friedman | 02e737b | 2011-08-12 22:50:01 +0000 | [diff] [blame] | 3 | ; Basic smoke test for atomic operations. |
| 4 | |
| 5 | define void @f(i32* %x) { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 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 |
| Eli Friedman | 02e737b | 2011-08-12 22:50:01 +0000 | [diff] [blame] | 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 |
| Tim Northover | e94a518 | 2014-03-11 10:48:52 +0000 | [diff] [blame] | 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 |
| Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 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 |
| Eli Friedman | 02e737b | 2011-08-12 22:50:01 +0000 | [diff] [blame] | 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 |
| 29 | fence seq_cst |
| 30 | ret void |
| 31 | } |