| Hal Finkel | 3bca0b9 | 2011-10-17 16:01:41 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=ppc32 | FileCheck %s |
| 2 | ; RUN: llc < %s -march=ppc32 -mcpu=440 | FileCheck %s -check-prefix=BE-CHK |
| Hal Finkel | b31d3d2 | 2011-10-17 04:03:55 +0000 | [diff] [blame] | 3 | |
| 4 | define i32 @has_a_fence(i32 %a, i32 %b) nounwind { |
| 5 | entry: |
| 6 | fence acquire |
| 7 | %cond = icmp eq i32 %a, %b |
| 8 | br i1 %cond, label %IfEqual, label %IfUnequal |
| 9 | |
| 10 | IfEqual: |
| 11 | fence release |
| Hal Finkel | 3bca0b9 | 2011-10-17 16:01:41 +0000 | [diff] [blame^] | 12 | ; CHECK: sync |
| 13 | ; CHECK-NOT: msync |
| 14 | ; BE-CHK: msync |
| Hal Finkel | b31d3d2 | 2011-10-17 04:03:55 +0000 | [diff] [blame] | 15 | br label %end |
| 16 | |
| 17 | IfUnequal: |
| 18 | fence release |
| Hal Finkel | 3bca0b9 | 2011-10-17 16:01:41 +0000 | [diff] [blame^] | 19 | ; CHECK: sync |
| 20 | ; CHECK-NOT: msync |
| 21 | ; BE-CHK: msync |
| Hal Finkel | b31d3d2 | 2011-10-17 04:03:55 +0000 | [diff] [blame] | 22 | ret i32 0 |
| 23 | |
| 24 | end: |
| 25 | ret i32 1 |
| 26 | } |
| 27 | |