| Dan Gohman | c6e59b7 | 2010-07-19 22:48:56 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -O0 -march=x86-64 |
| 2 | ; rdar://8204072 |
| Duncan Sands | 6bf8eee | 2010-07-20 15:52:32 +0000 | [diff] [blame] | 3 | ; PR7652 |
| Dan Gohman | c6e59b7 | 2010-07-19 22:48:56 +0000 | [diff] [blame] | 4 | |
| 5 | @sc = external global i8 |
| 6 | @uc = external global i8 |
| 7 | |
| 8 | declare i8 @llvm.atomic.load.and.i8.p0i8(i8* nocapture, i8) nounwind |
| 9 | |
| 10 | define void @test_fetch_and_op() nounwind { |
| 11 | entry: |
| 12 | %tmp40 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @sc, i8 11) ; <i8> [#uses=1] |
| 13 | store i8 %tmp40, i8* @sc |
| 14 | %tmp41 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @uc, i8 11) ; <i8> [#uses=1] |
| 15 | store i8 %tmp41, i8* @uc |
| 16 | ret void |
| 17 | } |