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1; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -disable-fp-elim
2; rdar://7291624
3
4%union.RtreeCoord = type { float }
5%struct.RtreeCell = type { i64, [10 x %union.RtreeCoord] }
6%struct.Rtree = type { i32, i32*, i32, i32, i32, i32, i8*, i8* }
7%struct.RtreeNode = type { i32*, i64, i32, i32, i8*, i32* }
8
9define fastcc void @nodeOverwriteCell(%struct.Rtree* nocapture %pRtree, %struct.RtreeNode* nocapture %pNode, %struct.RtreeCell* nocapture %pCell, i32 %iCell) nounwind ssp {
10entry:
11  %0 = load i8*, i8** undef, align 8                   ; <i8*> [#uses=2]
12  %1 = load i32, i32* undef, align 8                   ; <i32> [#uses=1]
13  %2 = mul i32 %1, %iCell                         ; <i32> [#uses=1]
14  %3 = add nsw i32 %2, 4                          ; <i32> [#uses=1]
15  %4 = sext i32 %3 to i64                         ; <i64> [#uses=2]
16  %5 = load i64, i64* null, align 8                    ; <i64> [#uses=2]
17  %6 = lshr i64 %5, 48                            ; <i64> [#uses=1]
18  %7 = trunc i64 %6 to i8                         ; <i8> [#uses=1]
19  store i8 %7, i8* undef, align 1
20  %8 = lshr i64 %5, 8                             ; <i64> [#uses=1]
21  %9 = trunc i64 %8 to i8                         ; <i8> [#uses=1]
22  %.sum4 = add i64 %4, 6                          ; <i64> [#uses=1]
23  %10 = getelementptr inbounds i8, i8* %0, i64 %.sum4 ; <i8*> [#uses=1]
24  store i8 %9, i8* %10, align 1
25  %11 = getelementptr inbounds %struct.Rtree, %struct.Rtree* %pRtree, i64 0, i32 3 ; <i32*> [#uses=1]
26  br i1 undef, label %bb.nph, label %bb2
27
28bb.nph:                                           ; preds = %entry
29  %tmp25 = add i64 %4, 11                         ; <i64> [#uses=1]
30  br label %bb
31
32bb:                                               ; preds = %bb, %bb.nph
33  %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=3]
34  %scevgep = getelementptr %struct.RtreeCell, %struct.RtreeCell* %pCell, i64 0, i32 1, i64 %indvar ; <%union.RtreeCoord*> [#uses=1]
35  %scevgep12 = bitcast %union.RtreeCoord* %scevgep to i32* ; <i32*> [#uses=1]
36  %tmp = shl i64 %indvar, 2                       ; <i64> [#uses=1]
37  %tmp26 = add i64 %tmp, %tmp25                   ; <i64> [#uses=1]
38  %scevgep27 = getelementptr i8, i8* %0, i64 %tmp26   ; <i8*> [#uses=1]
39  %12 = load i32, i32* %scevgep12, align 4             ; <i32> [#uses=1]
40  %13 = lshr i32 %12, 24                          ; <i32> [#uses=1]
41  %14 = trunc i32 %13 to i8                       ; <i8> [#uses=1]
42  store i8 %14, i8* undef, align 1
43  store i8 undef, i8* %scevgep27, align 1
44  %15 = load i32, i32* %11, align 4                    ; <i32> [#uses=1]
45  %16 = shl i32 %15, 1                            ; <i32> [#uses=1]
46  %17 = icmp sgt i32 %16, undef                   ; <i1> [#uses=1]
47  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
48  br i1 %17, label %bb, label %bb2
49
50bb2:                                              ; preds = %bb, %entry
51  %18 = getelementptr inbounds %struct.RtreeNode, %struct.RtreeNode* %pNode, i64 0, i32 3 ; <i32*> [#uses=1]
52  store i32 1, i32* %18, align 4
53  ret void
54}
55