| ; RUN: llc < %s -mtriple=arm-linux-gnueabi |
| ; PR4528 |
| |
| ; Inline asm is allowed to contain operands "=&r", "0". |
| |
| %struct.device_dma_parameters = type { i32, i32 } |
| %struct.iovec = type { i8*, i32 } |
| |
| define i32 @generic_segment_checks(%struct.iovec* nocapture %iov, i32* nocapture %nr_segs, i32* nocapture %count, i32 %access_flags) nounwind optsize { |
| entry: |
| br label %bb8 |
| |
| bb: ; preds = %bb8 |
| br i1 undef, label %bb10, label %bb2 |
| |
| bb2: ; preds = %bb |
| %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] |
| %asmresult = extractvalue %struct.device_dma_parameters %asmtmp, 0; <i32> [#uses=1] |
| %0 = icmp eq i32 %asmresult, 0 ; <i1> [#uses=1] |
| br i1 %0, label %bb7, label %bb4 |
| |
| bb4: ; preds = %bb2 |
| br i1 undef, label %bb10, label %bb9 |
| |
| bb7: ; preds = %bb2 |
| %1 = add i32 %2, 1 ; <i32> [#uses=1] |
| br label %bb8 |
| |
| bb8: ; preds = %bb7, %entry |
| %2 = phi i32 [ 0, %entry ], [ %1, %bb7 ] ; <i32> [#uses=3] |
| %scevgep22 = getelementptr %struct.iovec, %struct.iovec* %iov, i32 %2, i32 0; <i8**> [#uses=0] |
| %3 = load i32, i32* %nr_segs, align 4 ; <i32> [#uses=1] |
| %4 = icmp ult i32 %2, %3 ; <i1> [#uses=1] |
| br i1 %4, label %bb, label %bb9 |
| |
| bb9: ; preds = %bb8, %bb4 |
| store i32 undef, i32* %count, align 4 |
| ret i32 0 |
| |
| bb10: ; preds = %bb4, %bb |
| ret i32 0 |
| } |
