| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 1 | ; Test 64-bit atomic loads. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| 4 | |
| 5 | ; This is just a placeholder to make sure that loads are handled. |
| 6 | ; Using CSG is probably too conservative. |
| 7 | define i64 @f1(i64 %dummy, i64 *%src) { |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame^] | 8 | ; CHECK-LABEL: f1: |
| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 9 | ; CHECK: lghi %r2, 0 |
| 10 | ; CHECK: csg %r2, %r2, 0(%r3) |
| 11 | ; CHECK: br %r14 |
| 12 | %val = load atomic i64 *%src seq_cst, align 8 |
| 13 | ret i64 %val |
| 14 | } |