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      1 ; RUN: llc < %s
      2 ; PR13377
      3 
      4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64"
      5 target triple = "armv7-none-linux-gnueabi"
      6 
      7 %0 = type { <4 x float> }
      8 
      9 define arm_aapcs_vfpcc void @foo(float, i1 zeroext, i1 zeroext) nounwind uwtable {
     10   br i1 undef, label %4, label %5
     11 
     12 ; <label>:4                                       ; preds = %3
     13   unreachable
     14 
     15 ; <label>:5                                       ; preds = %3
     16   br i1 undef, label %7, label %6
     17 
     18 ; <label>:6                                       ; preds = %5
     19   unreachable
     20 
     21 ; <label>:7                                       ; preds = %5
     22   br i1 undef, label %8, label %10
     23 
     24 ; <label>:8                                       ; preds = %7
     25   br i1 undef, label %9, label %10
     26 
     27 ; <label>:9                                       ; preds = %8
     28   br i1 undef, label %11, label %10
     29 
     30 ; <label>:10                                      ; preds = %9, %8, %7
     31   unreachable
     32 
     33 ; <label>:11                                      ; preds = %9
     34   br i1 undef, label %13, label %12
     35 
     36 ; <label>:12                                      ; preds = %11
     37   unreachable
     38 
     39 ; <label>:13                                      ; preds = %11
     40   br i1 undef, label %15, label %14
     41 
     42 ; <label>:14                                      ; preds = %13
     43   unreachable
     44 
     45 ; <label>:15                                      ; preds = %13
     46   br i1 undef, label %18, label %16
     47 
     48 ; <label>:16                                      ; preds = %15
     49   br i1 undef, label %17, label %18
     50 
     51 ; <label>:17                                      ; preds = %16
     52   unreachable
     53 
     54 ; <label>:18                                      ; preds = %16, %15
     55   br i1 undef, label %68, label %19
     56 
     57 ; <label>:19                                      ; preds = %18
     58   br label %20
     59 
     60 ; <label>:20                                      ; preds = %20, %19
     61   br i1 undef, label %21, label %20
     62 
     63 ; <label>:21                                      ; preds = %20
     64   br i1 undef, label %22, label %68
     65 
     66 ; <label>:22                                      ; preds = %21
     67   br i1 undef, label %23, label %24
     68 
     69 ; <label>:23                                      ; preds = %22
     70   unreachable
     71 
     72 ; <label>:24                                      ; preds = %22
     73   br i1 undef, label %26, label %25
     74 
     75 ; <label>:25                                      ; preds = %24
     76   unreachable
     77 
     78 ; <label>:26                                      ; preds = %24
     79   br i1 undef, label %28, label %27
     80 
     81 ; <label>:27                                      ; preds = %26
     82   unreachable
     83 
     84 ; <label>:28                                      ; preds = %26
     85   br i1 undef, label %29, label %30, !prof !0
     86 
     87 ; <label>:29                                      ; preds = %28
     88   br label %30
     89 
     90 ; <label>:30                                      ; preds = %29, %28
     91   br i1 undef, label %31, label %32, !prof !0
     92 
     93 ; <label>:31                                      ; preds = %30
     94   br label %32
     95 
     96 ; <label>:32                                      ; preds = %31, %30
     97   br i1 undef, label %34, label %33
     98 
     99 ; <label>:33                                      ; preds = %32
    100   unreachable
    101 
    102 ; <label>:34                                      ; preds = %32
    103   br i1 undef, label %35, label %36, !prof !0
    104 
    105 ; <label>:35                                      ; preds = %34
    106   br label %36
    107 
    108 ; <label>:36                                      ; preds = %35, %34
    109   br i1 undef, label %37, label %38, !prof !0
    110 
    111 ; <label>:37                                      ; preds = %36
    112   br label %38
    113 
    114 ; <label>:38                                      ; preds = %37, %36
    115   br i1 undef, label %39, label %67
    116 
    117 ; <label>:39                                      ; preds = %38
    118   br i1 undef, label %40, label %41
    119 
    120 ; <label>:40                                      ; preds = %39
    121   br i1 undef, label %64, label %41
    122 
    123 ; <label>:41                                      ; preds = %40, %39
    124   br i1 undef, label %64, label %42
    125 
    126 ; <label>:42                                      ; preds = %41
    127   %43 = fadd <4 x float> undef, undef
    128   %44 = fadd <4 x float> undef, undef
    129   %45 = fmul <4 x float> undef, undef
    130   %46 = fmul <4 x float> %45, %43
    131   %47 = fmul <4 x float> undef, %44
    132   %48 = load <4 x float>* undef, align 8
    133   %49 = bitcast <4 x float> %48 to <2 x i64>
    134   %50 = shufflevector <2 x i64> %49, <2 x i64> undef, <1 x i32> <i32 1>
    135   %51 = bitcast <1 x i64> %50 to <2 x float>
    136   %52 = shufflevector <2 x float> %51, <2 x float> undef, <4 x i32> zeroinitializer
    137   %53 = bitcast <4 x float> %52 to <2 x i64>
    138   %54 = shufflevector <2 x i64> %53, <2 x i64> undef, <1 x i32> zeroinitializer
    139   %55 = bitcast <1 x i64> %54 to <2 x float>
    140   %56 = extractelement <2 x float> %55, i32 0
    141   %57 = insertelement <4 x float> undef, float %56, i32 2
    142   %58 = insertelement <4 x float> %57, float 1.000000e+00, i32 3
    143   %59 = fsub <4 x float> %47, %58
    144   %60 = fmul <4 x float> undef, undef
    145   %61 = fmul <4 x float> %59, %60
    146   %62 = fmul <4 x float> %61, <float 6.000000e+01, float 6.000000e+01, float 6.000000e+01, float 6.000000e+01>
    147   %63 = fadd <4 x float> %47, %62
    148   store <4 x float> %46, <4 x float>* undef, align 8
    149   call arm_aapcs_vfpcc  void @bar(%0* undef, float 0.000000e+00) nounwind
    150   call arm_aapcs_vfpcc  void @bar(%0* undef, float 0.000000e+00) nounwind
    151   store <4 x float> %63, <4 x float>* undef, align 8
    152   unreachable
    153 
    154 ; <label>:64                                      ; preds = %41, %40
    155   br i1 undef, label %65, label %66
    156 
    157 ; <label>:65                                      ; preds = %64
    158   unreachable
    159 
    160 ; <label>:66                                      ; preds = %64
    161   unreachable
    162 
    163 ; <label>:67                                      ; preds = %38
    164   unreachable
    165 
    166 ; <label>:68                                      ; preds = %21, %18
    167   ret void
    168 }
    169 
    170 declare arm_aapcs_vfpcc void @bar(%0*, float)
    171 
    172 !0 = metadata !{metadata !"branch_weights", i32 64, i32 4}
    173