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      1 ; RUN: opt -instcombine < %s
      2 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
      3 target triple = "powerpc64-unknown-linux-gnu"
      4 
      5 %struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129 = type <{ i64 }>
      6 
      7 ; Function Attrs: nounwind
      8 define void @main() #0 {
      9 entry:
     10   %l_819.i.i = alloca %struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129, align 8
     11   br i1 undef, label %land.lhs.true, label %for.cond.i
     12 
     13 land.lhs.true:                                    ; preds = %entry
     14   br label %for.cond.i
     15 
     16 for.cond.i:                                       ; preds = %land.lhs.true, %entry
     17   %0 = getelementptr inbounds %struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129, %struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129* %l_819.i.i, i64 0, i32 0
     18   br label %for.cond.i6.i.i
     19 
     20 for.cond.i6.i.i:                                  ; preds = %for.body.i8.i.i, %for.cond.i
     21   br i1 undef, label %for.body.i8.i.i, label %lbl_707.i.i.i
     22 
     23 for.body.i8.i.i:                                  ; preds = %for.cond.i6.i.i
     24   br label %for.cond.i6.i.i
     25 
     26 lbl_707.i.i.i:                                    ; preds = %for.cond.i6.i.i
     27   br i1 undef, label %lor.rhs.i.i.i, label %lor.end.i.i.i
     28 
     29 lor.rhs.i.i.i:                                    ; preds = %lbl_707.i.i.i
     30   br label %lor.end.i.i.i
     31 
     32 lor.end.i.i.i:                                    ; preds = %lor.rhs.i.i.i, %lbl_707.i.i.i
     33   br label %for.cond1.i.i.i.i
     34 
     35 for.cond1.i.i.i.i:                                ; preds = %for.body4.i.i.i.i, %lor.end.i.i.i
     36   br i1 undef, label %for.body4.i.i.i.i, label %func_39.exit.i.i
     37 
     38 for.body4.i.i.i.i:                                ; preds = %for.cond1.i.i.i.i
     39   br label %for.cond1.i.i.i.i
     40 
     41 func_39.exit.i.i:                                 ; preds = %for.cond1.i.i.i.i
     42   %l_8191.sroa.0.0.copyload.i.i = load i64, i64* %0, align 1
     43   br label %for.cond1.i.i.i
     44 
     45 for.cond1.i.i.i:                                  ; preds = %safe_div_func_uint32_t_u_u.exit.i.i.i, %func_39.exit.i.i
     46   br i1 undef, label %for.cond7.i.i.i, label %func_11.exit.i
     47 
     48 for.cond7.i.i.i:                                  ; preds = %for.end30.i.i.i, %for.cond1.i.i.i
     49   %storemerge.i.i.i = phi i32 [ %sub.i.i.i, %for.end30.i.i.i ], [ 4, %for.cond1.i.i.i ]
     50   br i1 undef, label %for.cond22.i.i.i, label %for.end32.i.i.i
     51 
     52 for.cond22.i.i.i:                                 ; preds = %for.body25.i.i.i, %for.cond7.i.i.i
     53   br i1 undef, label %for.body25.i.i.i, label %for.end30.i.i.i
     54 
     55 for.body25.i.i.i:                                 ; preds = %for.cond22.i.i.i
     56   br label %for.cond22.i.i.i
     57 
     58 for.end30.i.i.i:                                  ; preds = %for.cond22.i.i.i
     59   %sub.i.i.i = add nsw i32 0, -1
     60   br label %for.cond7.i.i.i
     61 
     62 for.end32.i.i.i:                                  ; preds = %for.cond7.i.i.i
     63   %conv33.i.i.i = trunc i64 %l_8191.sroa.0.0.copyload.i.i to i32
     64   %xor.i.i.i.i = xor i32 %storemerge.i.i.i, -701565022
     65   %sub.i.i.i.i = sub nsw i32 0, %storemerge.i.i.i
     66   %xor3.i.i.i.i = xor i32 %sub.i.i.i.i, %storemerge.i.i.i
     67   %and4.i.i.i.i = and i32 %xor.i.i.i.i, %xor3.i.i.i.i
     68   %cmp.i.i.i.i = icmp slt i32 %and4.i.i.i.i, 0
     69   %sub5.i.i.i.i = sub nsw i32 -701565022, %storemerge.i.i.i
     70   %.sub5.i.i.i.i = select i1 %cmp.i.i.i.i, i32 -701565022, i32 %sub5.i.i.i.i
     71   br i1 undef, label %safe_div_func_uint32_t_u_u.exit.i.i.i, label %cond.false.i.i.i.i
     72 
     73 cond.false.i.i.i.i:                               ; preds = %for.end32.i.i.i
     74   %div.i.i.i.i = udiv i32 %conv33.i.i.i, %.sub5.i.i.i.i
     75   br label %safe_div_func_uint32_t_u_u.exit.i.i.i
     76 
     77 safe_div_func_uint32_t_u_u.exit.i.i.i:            ; preds = %cond.false.i.i.i.i, %for.end32.i.i.i
     78   %cond.i.i.i.i = phi i32 [ %div.i.i.i.i, %cond.false.i.i.i.i ], [ %conv33.i.i.i, %for.end32.i.i.i ]
     79   %cmp35.i.i.i = icmp ne i32 %cond.i.i.i.i, -7
     80   br label %for.cond1.i.i.i
     81 
     82 func_11.exit.i:                                   ; preds = %for.cond1.i.i.i
     83   br i1 undef, label %for.body, label %for.end
     84 
     85 for.body:                                         ; preds = %func_11.exit.i
     86   unreachable
     87 
     88 for.end:                                          ; preds = %func_11.exit.i
     89   br label %for.cond15
     90 
     91 for.cond15:                                       ; preds = %for.cond19, %for.end
     92   br i1 undef, label %for.cond19, label %for.end45
     93 
     94 for.cond19:                                       ; preds = %for.cond15
     95   br label %for.cond15
     96 
     97 for.end45:                                        ; preds = %for.cond15
     98   unreachable
     99 }
    100 
    101 attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
    102