| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test 8-bit atomic stores. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| 4 | |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 5 | define void @f1(i8 %val, i8 *%src) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 6 | ; CHECK-LABEL: f1: |
| Richard Sandiford | bef3d7a | 2013-12-10 10:49:34 +0000 | [diff] [blame] | 7 | ; CHECK: stc %r2, 0(%r3) |
| 8 | ; CHECK: bcr 1{{[45]}}, %r0 |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 9 | ; CHECK: br %r14 |
| 10 | store atomic i8 %val, i8 *%src seq_cst, align 1 |
| 11 | ret void |
| 12 | } |
| Ulrich Weigand | 02f1c02 | 2017-08-04 18:53:35 +0000 | [diff] [blame] | 13 | |
| 14 | define void @f2(i8 %val, i8 *%src) { |
| 15 | ; CHECK-LABEL: f2: |
| 16 | ; CHECK: stc %r2, 0(%r3) |
| 17 | ; CHECK-NOT: bcr 1{{[45]}}, %r0 |
| 18 | ; CHECK: br %r14 |
| 19 | store atomic i8 %val, i8 *%src monotonic, align 1 |
| 20 | ret void |
| 21 | } |