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      1 ; REQUIRES: asserts
      2 ; RUN: llc -mtriple=x86_64-apple-darwin -march=x86-64 < %s -o /dev/null -stats -info-output-file - | grep "hoisted out of loops" | grep 4
      3 
      4 ; MachineLICM should be able to hoist the symbolic addresses out of
      5 ; the inner loops.
      6 
      7 @main.flags = internal global [8193 x i8] zeroinitializer, align 16 ; <[8193 x i8]*> [#uses=3]
      8 @.str = private constant [11 x i8] c"Count: %d\0A\00" ; <[11 x i8]*> [#uses=1]
      9 
     10 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind ssp {
     11 entry:
     12   %cmp = icmp eq i32 %argc, 2                     ; <i1> [#uses=1]
     13   br i1 %cmp, label %while.cond.preheader, label %bb.nph53
     14 
     15 while.cond.preheader:                             ; preds = %entry
     16   %arrayidx = getelementptr inbounds i8** %argv, i64 1 ; <i8**> [#uses=1]
     17   %tmp2 = load i8** %arrayidx                     ; <i8*> [#uses=1]
     18   %call = tail call i32 @atoi(i8* %tmp2) nounwind ; <i32> [#uses=2]
     19   %tobool51 = icmp eq i32 %call, 0                ; <i1> [#uses=1]
     20   br i1 %tobool51, label %while.end, label %bb.nph53
     21 
     22 while.cond.loopexit:                              ; preds = %for.inc35
     23   %indvar.next77 = add i32 %indvar76, 1           ; <i32> [#uses=2]
     24   %exitcond78 = icmp eq i32 %indvar.next77, %NUM.0.ph80 ; <i1> [#uses=1]
     25   br i1 %exitcond78, label %while.end, label %bb.nph
     26 
     27 bb.nph53:                                         ; preds = %entry, %while.cond.preheader
     28   %NUM.0.ph80 = phi i32 [ %call, %while.cond.preheader ], [ 17000, %entry ] ; <i32> [#uses=1]
     29   br label %bb.nph
     30 
     31 bb.nph:                                           ; preds = %while.cond.loopexit, %bb.nph53
     32   %indvar76 = phi i32 [ 0, %bb.nph53 ], [ %indvar.next77, %while.cond.loopexit ] ; <i32> [#uses=1]
     33   br label %for.body
     34 
     35 for.body:                                         ; preds = %for.body, %bb.nph
     36   %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ] ; <i64> [#uses=2]
     37   %tmp = add i64 %indvar, 2                       ; <i64> [#uses=1]
     38   %arrayidx10 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp ; <i8*> [#uses=1]
     39   store i8 1, i8* %arrayidx10
     40   %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=2]
     41   %exitcond = icmp eq i64 %indvar.next, 8191      ; <i1> [#uses=1]
     42   br i1 %exitcond, label %for.body15, label %for.body
     43 
     44 for.body15:                                       ; preds = %for.body, %for.inc35
     45   %indvar57 = phi i64 [ %indvar.next58, %for.inc35 ], [ 0, %for.body ] ; <i64> [#uses=4]
     46   %count.248 = phi i32 [ %count.1, %for.inc35 ], [ 0, %for.body ] ; <i32> [#uses=2]
     47   %tmp68 = add i64 %indvar57, 2                   ; <i64> [#uses=2]
     48   %tmp70 = mul i64 %indvar57, 3                   ; <i64> [#uses=1]
     49   %tmp71 = add i64 %tmp70, 6                      ; <i64> [#uses=1]
     50   %tmp73 = shl i64 %indvar57, 1                   ; <i64> [#uses=1]
     51   %add = add i64 %tmp73, 4                        ; <i64> [#uses=2]
     52   %arrayidx17 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp68 ; <i8*> [#uses=1]
     53   %tmp18 = load i8* %arrayidx17                   ; <i8> [#uses=1]
     54   %tobool19 = icmp eq i8 %tmp18, 0                ; <i1> [#uses=1]
     55   br i1 %tobool19, label %for.inc35, label %if.then
     56 
     57 if.then:                                          ; preds = %for.body15
     58   %cmp2443 = icmp slt i64 %add, 8193              ; <i1> [#uses=1]
     59   br i1 %cmp2443, label %for.body25, label %for.end32
     60 
     61 for.body25:                                       ; preds = %if.then, %for.body25
     62   %indvar55 = phi i64 [ %indvar.next56, %for.body25 ], [ 0, %if.then ] ; <i64> [#uses=2]
     63   %tmp60 = mul i64 %tmp68, %indvar55              ; <i64> [#uses=2]
     64   %tmp75 = add i64 %add, %tmp60                   ; <i64> [#uses=1]
     65   %arrayidx27 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp75 ; <i8*> [#uses=1]
     66   store i8 0, i8* %arrayidx27
     67   %add31 = add i64 %tmp71, %tmp60                 ; <i64> [#uses=1]
     68   %cmp24 = icmp slt i64 %add31, 8193              ; <i1> [#uses=1]
     69   %indvar.next56 = add i64 %indvar55, 1           ; <i64> [#uses=1]
     70   br i1 %cmp24, label %for.body25, label %for.end32
     71 
     72 for.end32:                                        ; preds = %for.body25, %if.then
     73   %inc34 = add nsw i32 %count.248, 1              ; <i32> [#uses=1]
     74   br label %for.inc35
     75 
     76 for.inc35:                                        ; preds = %for.body15, %for.end32
     77   %count.1 = phi i32 [ %inc34, %for.end32 ], [ %count.248, %for.body15 ] ; <i32> [#uses=2]
     78   %indvar.next58 = add i64 %indvar57, 1           ; <i64> [#uses=2]
     79   %exitcond67 = icmp eq i64 %indvar.next58, 8191  ; <i1> [#uses=1]
     80   br i1 %exitcond67, label %while.cond.loopexit, label %for.body15
     81 
     82 while.end:                                        ; preds = %while.cond.loopexit, %while.cond.preheader
     83   %count.0.lcssa = phi i32 [ 0, %while.cond.preheader ], [ %count.1, %while.cond.loopexit ] ; <i32> [#uses=1]
     84   %call40 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.str, i64 0, i64 0), i32 %count.0.lcssa) nounwind ; <i32> [#uses=0]
     85   ret i32 0
     86 }
     87 
     88 declare i32 @atoi(i8* nocapture) nounwind readonly
     89 
     90 declare i32 @printf(i8* nocapture, ...) nounwind
     91