File: atomic.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (31 lines) | stat: -rw-r--r-- 1,453 bytes parent folder | download | duplicates (7)
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
; RUN: opt < %s | opt -S | FileCheck %s
; RUN: verify-uselistorder %s
; Basic smoke test for atomic operations.

define void @f(i32* %x) {
  ; CHECK: load atomic i32, i32* %x unordered, align 4
  load atomic i32, i32* %x unordered, align 4
  ; CHECK: load atomic volatile i32, i32* %x singlethread acquire, align 4
  load atomic volatile i32, i32* %x singlethread acquire, align 4
  ; CHECK: store atomic i32 3, i32* %x release, align 4
  store atomic i32 3, i32* %x release, align 4
  ; CHECK: store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
  store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
  ; CHECK: cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
  cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
  ; CHECK: cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
  cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
  ; CHECK: cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
  cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
  ; CHECK: cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
  cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
  ; CHECK: atomicrmw add i32* %x, i32 10 seq_cst
  atomicrmw add i32* %x, i32 10 seq_cst
  ; CHECK: atomicrmw volatile xchg  i32* %x, i32 10 monotonic
  atomicrmw volatile xchg i32* %x, i32 10 monotonic
  ; CHECK: fence singlethread release
  fence singlethread release
  ; CHECK: fence seq_cst
  fence seq_cst
  ret void
}