| Dan Gohman | da594cf | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=arm |
| Jakob Stoklund Olesen | f94139e | 2009-08-15 18:16:58 +0000 | [diff] [blame] | 2 | ; PR4528 |
| 3 | |
| 4 | ; Inline asm is allowed to contain operands "=&r", "0". |
| 5 | |
| 6 | %struct.device_dma_parameters = type { i32, i32 } |
| 7 | %struct.iovec = type { i8*, i32 } |
| 8 | |
| 9 | define arm_aapcscc i32 @generic_segment_checks(%struct.iovec* nocapture %iov, i32* nocapture %nr_segs, i32* nocapture %count, i32 %access_flags) nounwind optsize { |
| 10 | entry: |
| 11 | br label %bb8 |
| 12 | |
| 13 | bb: ; preds = %bb8 |
| 14 | br i1 undef, label %bb10, label %bb2 |
| 15 | |
| 16 | bb2: ; preds = %bb |
| 17 | %asmtmp = tail call %struct.device_dma_parameters asm "adds $1, $2, $3; sbcccs $1, $1, $0; movcc $0, #0", "=&r,=&r,r,Ir,0,~{cc}"(i8* undef, i32 undef, i32 0) nounwind; <%struct.device_dma_parameters> [#uses=1] |
| 18 | %asmresult = extractvalue %struct.device_dma_parameters %asmtmp, 0; <i32> [#uses=1] |
| 19 | %0 = icmp eq i32 %asmresult, 0 ; <i1> [#uses=1] |
| 20 | br i1 %0, label %bb7, label %bb4 |
| 21 | |
| 22 | bb4: ; preds = %bb2 |
| 23 | br i1 undef, label %bb10, label %bb9 |
| 24 | |
| 25 | bb7: ; preds = %bb2 |
| 26 | %1 = add i32 %2, 1 ; <i32> [#uses=1] |
| 27 | br label %bb8 |
| 28 | |
| 29 | bb8: ; preds = %bb7, %entry |
| 30 | %2 = phi i32 [ 0, %entry ], [ %1, %bb7 ] ; <i32> [#uses=3] |
| 31 | %scevgep22 = getelementptr %struct.iovec* %iov, i32 %2, i32 0; <i8**> [#uses=0] |
| 32 | %3 = load i32* %nr_segs, align 4 ; <i32> [#uses=1] |
| 33 | %4 = icmp ult i32 %2, %3 ; <i1> [#uses=1] |
| 34 | br i1 %4, label %bb, label %bb9 |
| 35 | |
| 36 | bb9: ; preds = %bb8, %bb4 |
| 37 | store i32 undef, i32* %count, align 4 |
| 38 | ret i32 0 |
| 39 | |
| 40 | bb10: ; preds = %bb4, %bb |
| 41 | ret i32 0 |
| 42 | } |