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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 
      9 define fastcc void @nodeOverwriteCell(%struct.Rtree* nocapture %pRtree, %struct.RtreeNode* nocapture %pNode, %struct.RtreeCell* nocapture %pCell, i32 %iCell) nounwind ssp {
     10 entry:
     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 
     28 bb.nph:                                           ; preds = %entry
     29   %tmp25 = add i64 %4, 11                         ; <i64> [#uses=1]
     30   br label %bb
     31 
     32 bb:                                               ; 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 
     50 bb2:                                              ; 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