; LLVM IR from Tunghohin/Competitive_Coding :: Luogu (p7251)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.edge = type { i32, i32 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@in_degree = external dso_local global [100010 x i32], align 16
@out_degree = external dso_local global [100010 x i32], align 16
@e = external dso_local global [300010 x %struct.edge], align 16
@head = external dso_local global [100010 x i32], align 16
@scc_cnt = external dso_local global i32, align 4
@dfn = external dso_local global [100010 x i32], align 16
@scc_id = external dso_local global [100010 x i32], align 16
@scc_size = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgePiii(ptr noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6tarjani(i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %19 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %20 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %21 = getelementptr i8, ptr %20, i64 -24
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %22
  %24 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %23, ptr noundef null)
  %25 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %26 = getelementptr i8, ptr %25, i64 -24
  %27 = load i64, ptr %26, align 8
  %28 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %27
  %29 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %28, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 1, ptr %4, align 4, !tbaa !8
  br label %32

32:                                               ; preds = %42, %0
  %33 = load i32, ptr %4, align 4, !tbaa !8
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = icmp sle i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %45

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %38, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %40 = load i32, ptr %5, align 4, !tbaa !8
  %41 = load i32, ptr %6, align 4, !tbaa !8
  call void @_Z8add_edgePiii(ptr noundef @head, i32 noundef %40, i32 noundef %41)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %42

42:                                               ; preds = %37
  %43 = load i32, ptr %4, align 4, !tbaa !8
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %4, align 4, !tbaa !8
  br label %32, !llvm.loop !11

45:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  br label %46

46:                                               ; preds = %60, %45
  %47 = load i32, ptr %7, align 4, !tbaa !8
  %48 = load i32, ptr %2, align 4, !tbaa !8
  %49 = icmp sle i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %63

51:                                               ; preds = %46
  %52 = load i32, ptr %7, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [100010 x i32], ptr @dfn, i64 0, i64 %53
  %55 = load i32, ptr %54, align 4, !tbaa !8
  %56 = icmp ne i32 %55, 0
  br i1 %56, label %59, label %57

57:                                               ; preds = %51
  %58 = load i32, ptr %7, align 4, !tbaa !8
  call void @_Z6tarjani(i32 noundef %58)
  br label %59

59:                                               ; preds = %57, %51
  br label %60

60:                                               ; preds = %59
  %61 = load i32, ptr %7, align 4, !tbaa !8
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %7, align 4, !tbaa !8
  br label %46, !llvm.loop !13

63:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 1, ptr %8, align 4, !tbaa !8
  br label %64

64:                                               ; preds = %114, %63
  %65 = load i32, ptr %8, align 4, !tbaa !8
  %66 = load i32, ptr %2, align 4, !tbaa !8
  %67 = icmp sle i32 %65, %66
  br i1 %67, label %69, label %68

68:                                               ; preds = %64
  store i32 8, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %117

69:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %70 = load i32, ptr %8, align 4, !tbaa !8
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [100010 x i32], ptr @head, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !8
  store i32 %73, ptr %10, align 4, !tbaa !8
  br label %74

74:                                               ; preds = %107, %69
  %75 = load i32, ptr %10, align 4, !tbaa !8
  %76 = icmp ne i32 %75, 0
  br i1 %76, label %78, label %77

77:                                               ; preds = %74
  store i32 11, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %113

78:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %79 = load i32, ptr %10, align 4, !tbaa !8
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [300010 x %struct.edge], ptr @e, i64 0, i64 %80
  %82 = getelementptr inbounds %struct.edge, ptr %81, i32 0, i32 0
  %83 = load i32, ptr %82, align 8, !tbaa !14
  store i32 %83, ptr %11, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %84 = load i32, ptr %8, align 4, !tbaa !8
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [100010 x i32], ptr @scc_id, i64 0, i64 %85
  %87 = load i32, ptr %86, align 4, !tbaa !8
  store i32 %87, ptr %12, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %88 = load i32, ptr %11, align 4, !tbaa !8
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [100010 x i32], ptr @scc_id, i64 0, i64 %89
  %91 = load i32, ptr %90, align 4, !tbaa !8
  store i32 %91, ptr %13, align 4, !tbaa !8
  %92 = load i32, ptr %12, align 4, !tbaa !8
  %93 = load i32, ptr %13, align 4, !tbaa !8
  %94 = icmp ne i32 %92, %93
  br i1 %94, label %95, label %106

95:                                               ; preds = %78
  %96 = load i32, ptr %13, align 4, !tbaa !8
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds [100010 x i32], ptr @in_degree, i64 0, i64 %97
  %99 = load i32, ptr %98, align 4, !tbaa !8
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %98, align 4, !tbaa !8
  %101 = load i32, ptr %12, align 4, !tbaa !8
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds [100010 x i32], ptr @out_degree, i64 0, i64 %102
  %104 = load i32, ptr %103, align 4, !tbaa !8
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %103, align 4, !tbaa !8
  br label %106

106:                                              ; preds = %95, %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %107

107:                                              ; preds = %106
  %108 = load i32, ptr %10, align 4, !tbaa !8
  %109 = sext i32 %108 to i64
  %110 = getelementptr inbounds [300010 x %struct.edge], ptr @e, i64 0, i64 %109
  %111 = getelementptr inbounds %struct.edge, ptr %110, i32 0, i32 1
  %112 = load i32, ptr %111, align 4, !tbaa !16
  store i32 %112, ptr %10, align 4, !tbaa !8
  br label %74, !llvm.loop !17

113:                                              ; preds = %77
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %8, align 4, !tbaa !8
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %8, align 4, !tbaa !8
  br label %64, !llvm.loop !18

117:                                              ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 1, ptr %14, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 1, ptr %15, align 4, !tbaa !8
  br label %118

118:                                              ; preds = %129, %117
  %119 = load i32, ptr %15, align 4, !tbaa !8
  %120 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %121 = icmp sle i32 %119, %120
  br i1 %121, label %123, label %122

122:                                              ; preds = %118
  store i32 14, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %132

123:                                              ; preds = %118
  %124 = load i32, ptr %15, align 4, !tbaa !8
  %125 = sext i32 %124 to i64
  %126 = getelementptr inbounds [100010 x i32], ptr @scc_size, i64 0, i64 %125
  %127 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %126)
  %128 = load i32, ptr %127, align 4, !tbaa !8
  store i32 %128, ptr %14, align 4, !tbaa !8
  br label %129

129:                                              ; preds = %123
  %130 = load i32, ptr %15, align 4, !tbaa !8
  %131 = add nsw i32 %130, 1
  store i32 %131, ptr %15, align 4, !tbaa !8
  br label %118, !llvm.loop !19

132:                                              ; preds = %122
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 0, ptr %16, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  store i32 1, ptr %18, align 4, !tbaa !8
  br label %133

133:                                              ; preds = %157, %132
  %134 = load i32, ptr %18, align 4, !tbaa !8
  %135 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %136 = icmp sle i32 %134, %135
  br i1 %136, label %138, label %137

137:                                              ; preds = %133
  store i32 17, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %160

138:                                              ; preds = %133
  %139 = load i32, ptr %18, align 4, !tbaa !8
  %140 = sext i32 %139 to i64
  %141 = getelementptr inbounds [100010 x i32], ptr @in_degree, i64 0, i64 %140
  %142 = load i32, ptr %141, align 4, !tbaa !8
  %143 = icmp ne i32 %142, 0
  br i1 %143, label %147, label %144

144:                                              ; preds = %138
  %145 = load i32, ptr %16, align 4, !tbaa !8
  %146 = add nsw i32 %145, 1
  store i32 %146, ptr %16, align 4, !tbaa !8
  br label %147

147:                                              ; preds = %144, %138
  %148 = load i32, ptr %18, align 4, !tbaa !8
  %149 = sext i32 %148 to i64
  %150 = getelementptr inbounds [100010 x i32], ptr @out_degree, i64 0, i64 %149
  %151 = load i32, ptr %150, align 4, !tbaa !8
  %152 = icmp ne i32 %151, 0
  br i1 %152, label %156, label %153

153:                                              ; preds = %147
  %154 = load i32, ptr %17, align 4, !tbaa !8
  %155 = add nsw i32 %154, 1
  store i32 %155, ptr %17, align 4, !tbaa !8
  br label %156

156:                                              ; preds = %153, %147
  br label %157

157:                                              ; preds = %156
  %158 = load i32, ptr %18, align 4, !tbaa !8
  %159 = add nsw i32 %158, 1
  store i32 %159, ptr %18, align 4, !tbaa !8
  br label %133, !llvm.loop !20

160:                                              ; preds = %137
  %161 = load i32, ptr %14, align 4, !tbaa !8
  %162 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %161)
  %163 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %162, i8 noundef signext 10)
  %164 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %165 = icmp eq i32 %164, 1
  br i1 %165, label %166, label %168

166:                                              ; preds = %160
  %167 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 0)
  br label %172

168:                                              ; preds = %160
  %169 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %17)
  %170 = load i32, ptr %169, align 4, !tbaa !8
  %171 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %170)
  br label %172

172:                                              ; preds = %168, %166
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %173 = load i32, ptr %1, align 4
  ret i32 %173
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !9, i64 0}
!15 = !{!"_ZTS4edge", !9, i64 0, !9, i64 4}
!16 = !{!15, !9, i64 4}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.edge = type { i32, i32 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@in_degree = external dso_local local_unnamed_addr global [100010 x i32], align 16
@out_degree = external dso_local local_unnamed_addr global [100010 x i32], align 16
@e = external dso_local local_unnamed_addr global [300010 x %struct.edge], align 16
@head = external dso_local global [100010 x i32], align 16
@scc_cnt = external dso_local local_unnamed_addr global i32, align 4
@dfn = external dso_local local_unnamed_addr global [100010 x i32], align 16
@scc_id = external dso_local local_unnamed_addr global [100010 x i32], align 16
@scc_size = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgePiii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6tarjani(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  %14 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %16
  %18 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %21 = load i32, ptr %2, align 4, !tbaa !8
  %.not44 = icmp slt i32 %21, 1
  br i1 %.not44, label %.preheader42, label %.lr.ph

.preheader42:                                     ; preds = %.lr.ph, %0
  %22 = load i32, ptr %1, align 4, !tbaa !8
  %.not3346 = icmp slt i32 %22, 1
  br i1 %.not3346, label %._crit_edge56, label %.lr.ph48

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.02745 = phi i32 [ %27, %.lr.ph ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %25 = load i32, ptr %3, align 4, !tbaa !8
  %26 = load i32, ptr %4, align 4, !tbaa !8
  call void @_Z8add_edgePiii(ptr noundef nonnull @head, i32 noundef %25, i32 noundef %26)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  %27 = add nuw nsw i32 %.02745, 1
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %.not.not = icmp slt i32 %.02745, %28
  br i1 %.not.not, label %.lr.ph, label %.preheader42, !llvm.loop !11

.preheader:                                       ; preds = %35
  %.not3453 = icmp slt i32 %36, 1
  br i1 %.not3453, label %._crit_edge56, label %.lr.ph55.preheader

.lr.ph55.preheader:                               ; preds = %.preheader
  %29 = add nuw i32 %36, 1
  %wide.trip.count = zext i32 %29 to i64
  br label %.lr.ph55

.lr.ph48:                                         ; preds = %.preheader42, %35
  %30 = phi i32 [ %36, %35 ], [ %22, %.preheader42 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %35 ], [ 1, %.preheader42 ]
  %31 = getelementptr inbounds [100010 x i32], ptr @dfn, i64 0, i64 %indvars.iv
  %32 = load i32, ptr %31, align 4, !tbaa !8
  %.not41 = icmp eq i32 %32, 0
  br i1 %.not41, label %33, label %35

33:                                               ; preds = %.lr.ph48
  %34 = trunc nuw nsw i64 %indvars.iv to i32
  call void @_Z6tarjani(i32 noundef %34)
  %.pre = load i32, ptr %1, align 4, !tbaa !8
  br label %35

35:                                               ; preds = %.lr.ph48, %33
  %36 = phi i32 [ %30, %.lr.ph48 ], [ %.pre, %33 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %37 = sext i32 %36 to i64
  %.not33.not = icmp slt i64 %indvars.iv, %37
  br i1 %.not33.not, label %.lr.ph48, label %.preheader, !llvm.loop !13

._crit_edge56:                                    ; preds = %._crit_edge, %.preheader42, %.preheader
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  store i32 1, ptr %5, align 4, !tbaa !8
  %38 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %.not3557 = icmp slt i32 %38, 1
  br i1 %.not3557, label %._crit_edge61.thread, label %.lr.ph60

._crit_edge61.thread:                             ; preds = %._crit_edge56
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  br label %._crit_edge70

.lr.ph55:                                         ; preds = %.lr.ph55.preheader, %._crit_edge
  %indvars.iv77 = phi i64 [ 1, %.lr.ph55.preheader ], [ %indvars.iv.next78, %._crit_edge ]
  %39 = getelementptr inbounds [100010 x i32], ptr @head, i64 0, i64 %indvars.iv77
  %.02949 = load i32, ptr %39, align 4, !tbaa !8
  %.not3950 = icmp eq i32 %.02949, 0
  br i1 %.not3950, label %._crit_edge, label %.lr.ph52

.lr.ph52:                                         ; preds = %.lr.ph55
  %40 = getelementptr inbounds [100010 x i32], ptr @scc_id, i64 0, i64 %indvars.iv77
  %41 = load i32, ptr %40, align 4, !tbaa !8
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [100010 x i32], ptr @out_degree, i64 0, i64 %42
  br label %44

._crit_edge:                                      ; preds = %58, %.lr.ph55
  %indvars.iv.next78 = add nuw nsw i64 %indvars.iv77, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next78, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge56, label %.lr.ph55, !llvm.loop !14

44:                                               ; preds = %.lr.ph52, %58
  %.02951 = phi i32 [ %.02949, %.lr.ph52 ], [ %.029, %58 ]
  %45 = sext i32 %.02951 to i64
  %46 = getelementptr inbounds [300010 x %struct.edge], ptr @e, i64 0, i64 %45
  %47 = load i32, ptr %46, align 8, !tbaa !15
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100010 x i32], ptr @scc_id, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !8
  %.not40 = icmp eq i32 %41, %50
  br i1 %.not40, label %58, label %51

51:                                               ; preds = %44
  %52 = sext i32 %50 to i64
  %53 = getelementptr inbounds [100010 x i32], ptr @in_degree, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !8
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %53, align 4, !tbaa !8
  %56 = load i32, ptr %43, align 4, !tbaa !8
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %43, align 4, !tbaa !8
  br label %58

58:                                               ; preds = %51, %44
  %59 = getelementptr inbounds i8, ptr %46, i64 4
  %.029 = load i32, ptr %59, align 4, !tbaa !8
  %.not39 = icmp eq i32 %.029, 0
  br i1 %.not39, label %._crit_edge, label %44, !llvm.loop !17

._crit_edge61:                                    ; preds = %.lr.ph60
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  %.not3666 = icmp slt i32 %84, 1
  br i1 %.not3666, label %._crit_edge70, label %.lr.ph69.preheader

.lr.ph69.preheader:                               ; preds = %._crit_edge61
  %60 = add nuw i32 %84, 1
  %wide.trip.count86 = zext i32 %60 to i64
  %61 = zext nneg i32 %84 to i64
  %min.iters.check = icmp ult i32 %84, 8
  br i1 %min.iters.check, label %.lr.ph69.preheader106, label %vector.ph

.lr.ph69.preheader106:                            ; preds = %middle.block, %.lr.ph69.preheader
  %indvars.iv83.ph = phi i64 [ 1, %.lr.ph69.preheader ], [ %ind.end, %middle.block ]
  %.ph = phi i32 [ 0, %.lr.ph69.preheader ], [ %79, %middle.block ]
  %.ph107 = phi i32 [ 0, %.lr.ph69.preheader ], [ %80, %middle.block ]
  br label %.lr.ph69

vector.ph:                                        ; preds = %.lr.ph69.preheader
  %n.vec = and i64 %61, 2147483640
  %ind.end = or disjoint i64 %n.vec, 1
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %68, %vector.body ]
  %vec.phi98 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %69, %vector.body ]
  %vec.phi99 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %76, %vector.body ]
  %vec.phi100 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %77, %vector.body ]
  %offset.idx = or disjoint i64 %index, 1
  %62 = getelementptr inbounds [100010 x i32], ptr @in_degree, i64 0, i64 %offset.idx
  %63 = getelementptr inbounds i8, ptr %62, i64 16
  %wide.load = load <4 x i32>, ptr %62, align 4, !tbaa !8
  %wide.load101 = load <4 x i32>, ptr %63, align 4, !tbaa !8
  %64 = icmp eq <4 x i32> %wide.load, zeroinitializer
  %65 = icmp eq <4 x i32> %wide.load101, zeroinitializer
  %66 = zext <4 x i1> %64 to <4 x i32>
  %67 = zext <4 x i1> %65 to <4 x i32>
  %68 = add <4 x i32> %vec.phi, %66
  %69 = add <4 x i32> %vec.phi98, %67
  %70 = getelementptr inbounds [100010 x i32], ptr @out_degree, i64 0, i64 %offset.idx
  %71 = getelementptr inbounds i8, ptr %70, i64 16
  %wide.load102 = load <4 x i32>, ptr %70, align 4, !tbaa !8
  %wide.load103 = load <4 x i32>, ptr %71, align 4, !tbaa !8
  %72 = icmp eq <4 x i32> %wide.load102, zeroinitializer
  %73 = icmp eq <4 x i32> %wide.load103, zeroinitializer
  %74 = zext <4 x i1> %72 to <4 x i32>
  %75 = zext <4 x i1> %73 to <4 x i32>
  %76 = add <4 x i32> %vec.phi99, %74
  %77 = add <4 x i32> %vec.phi100, %75
  %index.next = add nuw i64 %index, 8
  %78 = icmp eq i64 %index.next, %n.vec
  br i1 %78, label %middle.block, label %vector.body, !llvm.loop !18

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <4 x i32> %69, %68
  %79 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)
  %bin.rdx104 = add <4 x i32> %77, %76
  %80 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx104)
  %cmp.n = icmp eq i64 %n.vec, %61
  br i1 %cmp.n, label %._crit_edge70, label %.lr.ph69.preheader106

.lr.ph60:                                         ; preds = %._crit_edge56, %.lr.ph60
  %indvars.iv80 = phi i64 [ %indvars.iv.next81, %.lr.ph60 ], [ 1, %._crit_edge56 ]
  %81 = getelementptr inbounds [100010 x i32], ptr @scc_size, i64 0, i64 %indvars.iv80
  %82 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %81)
  %83 = load i32, ptr %82, align 4, !tbaa !8
  store i32 %83, ptr %5, align 4, !tbaa !8
  %indvars.iv.next81 = add nuw nsw i64 %indvars.iv80, 1
  %84 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %85 = sext i32 %84 to i64
  %.not35.not = icmp slt i64 %indvars.iv80, %85
  br i1 %.not35.not, label %.lr.ph60, label %._crit_edge61, !llvm.loop !21

._crit_edge70:                                    ; preds = %.lr.ph69, %middle.block, %._crit_edge61.thread, %._crit_edge61
  %86 = phi i32 [ %83, %._crit_edge61 ], [ 1, %._crit_edge61.thread ], [ %83, %middle.block ], [ %83, %.lr.ph69 ]
  %.lcssa65 = phi i32 [ 0, %._crit_edge61 ], [ 0, %._crit_edge61.thread ], [ %80, %middle.block ], [ %99, %.lr.ph69 ]
  %.lcssa63 = phi i32 [ 0, %._crit_edge61 ], [ 0, %._crit_edge61.thread ], [ %79, %middle.block ], [ %spec.select, %.lr.ph69 ]
  store i32 %.lcssa63, ptr %6, align 4, !tbaa !8
  store i32 %.lcssa65, ptr %7, align 4, !tbaa !8
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %86)
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %87, i8 noundef signext 10)
  %89 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %90 = icmp eq i32 %89, 1
  br i1 %90, label %103, label %100

.lr.ph69:                                         ; preds = %.lr.ph69.preheader106, %.lr.ph69
  %indvars.iv83 = phi i64 [ %indvars.iv.next84, %.lr.ph69 ], [ %indvars.iv83.ph, %.lr.ph69.preheader106 ]
  %91 = phi i32 [ %spec.select, %.lr.ph69 ], [ %.ph, %.lr.ph69.preheader106 ]
  %92 = phi i32 [ %99, %.lr.ph69 ], [ %.ph107, %.lr.ph69.preheader106 ]
  %93 = getelementptr inbounds [100010 x i32], ptr @in_degree, i64 0, i64 %indvars.iv83
  %94 = load i32, ptr %93, align 4, !tbaa !8
  %.not37 = icmp eq i32 %94, 0
  %95 = zext i1 %.not37 to i32
  %spec.select = add nuw nsw i32 %91, %95
  %96 = getelementptr inbounds [100010 x i32], ptr @out_degree, i64 0, i64 %indvars.iv83
  %97 = load i32, ptr %96, align 4, !tbaa !8
  %.not38 = icmp eq i32 %97, 0
  %98 = zext i1 %.not38 to i32
  %99 = add nuw nsw i32 %92, %98
  %indvars.iv.next84 = add nuw nsw i64 %indvars.iv83, 1
  %exitcond87.not = icmp eq i64 %indvars.iv.next84, %wide.trip.count86
  br i1 %exitcond87.not, label %._crit_edge70, label %.lr.ph69, !llvm.loop !22

100:                                              ; preds = %._crit_edge70
  %101 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %102 = load i32, ptr %101, align 4, !tbaa !8
  br label %103

103:                                              ; preds = %._crit_edge70, %100
  %.sink = phi i32 [ %102, %100 ], [ 0, %._crit_edge70 ]
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sink)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #7

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !9, i64 0}
!16 = !{!"_ZTS4edge", !9, i64 0, !9, i64 4}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12, !19, !20}
!19 = !{!"llvm.loop.isvectorized", i32 1}
!20 = !{!"llvm.loop.unroll.runtime.disable"}
!21 = distinct !{!21, !12}
!22 = distinct !{!22, !12, !20, !19}


; Effective O3 passes: CorrelatedValuePropagationPass,DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,SROAPass,SimplifyCFGPass,TailCallElimPass