; LLVM IR from Tunghohin/Competitive_Coding :: Poj (poj1062)

; 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"

%"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" }

@G = external dso_local global [110 x [110 x i32]], align 16
@level = external dso_local global [110 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 uwtable
declare dso_local noundef i32 @_Z8dijkstraiii(i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %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
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  %19 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %21
  %23 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %22, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  %24 = 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)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.memset.p0.i64(ptr align 16 @G, i8 63, i64 48400, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  store i32 1, ptr %4, align 4, !tbaa !8
  br label %26

26:                                               ; preds = %38, %0
  %27 = load i32, ptr %4, align 4, !tbaa !8
  %28 = load i32, ptr %3, align 4, !tbaa !8
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  br label %41

31:                                               ; preds = %26
  %32 = load i32, ptr %4, align 4, !tbaa !8
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %33
  %35 = load i32, ptr %4, align 4, !tbaa !8
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [110 x i32], ptr %34, i64 0, i64 %36
  store i32 0, ptr %37, align 4, !tbaa !8
  br label %38

38:                                               ; preds = %31
  %39 = load i32, ptr %4, align 4, !tbaa !8
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %4, align 4, !tbaa !8
  br label %26, !llvm.loop !11

41:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  store i32 1, ptr %5, align 4, !tbaa !8
  br label %42

42:                                               ; preds = %84, %41
  %43 = load i32, ptr %5, align 4, !tbaa !8
  %44 = load i32, ptr %3, align 4, !tbaa !8
  %45 = icmp sle i32 %43, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %87

47:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %49 = load i32, ptr %5, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [110 x i32], ptr @level, i64 0, i64 %50
  %52 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 4 dereferenceable(4) %51)
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %52, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %54 = load i32, ptr %5, align 4, !tbaa !8
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [110 x i32], ptr @G, i64 0, i64 %55
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %56, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %58 = load i32, ptr %57, align 4, !tbaa !8
  %59 = load i32, ptr %5, align 4, !tbaa !8
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [110 x i32], ptr @G, i64 0, i64 %60
  store i32 %58, ptr %61, align 4, !tbaa !8
  br label %62

62:                                               ; preds = %66, %47
  %63 = load i32, ptr %7, align 4, !tbaa !8
  %64 = add nsw i32 %63, -1
  store i32 %64, ptr %7, align 4, !tbaa !8
  %65 = icmp ne i32 %63, 0
  br i1 %65, label %66, label %83

66:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %68 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %67, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %69 = load i32, ptr %8, align 4, !tbaa !8
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %70
  %72 = load i32, ptr %5, align 4, !tbaa !8
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [110 x i32], ptr %71, i64 0, i64 %73
  %75 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %74, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %76 = load i32, ptr %75, align 4, !tbaa !8
  %77 = load i32, ptr %8, align 4, !tbaa !8
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %78
  %80 = load i32, ptr %5, align 4, !tbaa !8
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [110 x i32], ptr %79, i64 0, i64 %81
  store i32 %76, ptr %82, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %62, !llvm.loop !13

83:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %5, align 4, !tbaa !8
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %5, align 4, !tbaa !8
  br label %42, !llvm.loop !14

87:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 1061109567, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  %88 = load i32, ptr getelementptr inbounds ([110 x i32], ptr @level, i64 0, i64 1), align 4, !tbaa !8
  %89 = load i32, ptr %2, align 4, !tbaa !8
  %90 = sub nsw i32 %88, %89
  store i32 %90, ptr %11, align 4, !tbaa !8
  br label %91

91:                                               ; preds = %105, %87
  %92 = load i32, ptr %11, align 4, !tbaa !8
  %93 = load i32, ptr getelementptr inbounds ([110 x i32], ptr @level, i64 0, i64 1), align 4, !tbaa !8
  %94 = icmp sle i32 %92, %93
  br i1 %94, label %96, label %95

95:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  br label %108

96:                                               ; preds = %91
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  %97 = load i32, ptr %11, align 4, !tbaa !8
  %98 = load i32, ptr %11, align 4, !tbaa !8
  %99 = load i32, ptr %2, align 4, !tbaa !8
  %100 = add nsw i32 %98, %99
  %101 = load i32, ptr %3, align 4, !tbaa !8
  %102 = call noundef i32 @_Z8dijkstraiii(i32 noundef %97, i32 noundef %100, i32 noundef %101)
  store i32 %102, ptr %12, align 4, !tbaa !8
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %12)
  %104 = load i32, ptr %103, align 4, !tbaa !8
  store i32 %104, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %105

105:                                              ; preds = %96
  %106 = load i32, ptr %11, align 4, !tbaa !8
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr %11, align 4, !tbaa !8
  br label %91, !llvm.loop !15

108:                                              ; preds = %95
  %109 = load i32, ptr %10, align 4, !tbaa !8
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %109)
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %110, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #6 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)) #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) #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = { 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 #7 = { 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 #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 = distinct !{!15, !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"

%"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" }

@G = external dso_local global [110 x [110 x i32]], align 16
@level = external dso_local global [110 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 uwtable
declare dso_local noundef i32 @_Z8dijkstraiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 {
  %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 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  %15 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %17
  %19 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, 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
  %20 = 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)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(48400) @G, i8 63, i64 48400, i1 false)
  %22 = load i32, ptr %2, align 4, !tbaa !8
  %.not20 = icmp slt i32 %22, 1
  br i1 %.not20, label %._crit_edge27, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %0
  %23 = zext nneg i32 %22 to i64
  %xtraiter = and i64 %23, 3
  %24 = icmp ult i32 %22, 4
  br i1 %24, label %.preheader.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %23, 2147483644
  br label %.lr.ph

.preheader.unr-lcssa:                             ; preds = %.lr.ph, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next.3, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.preheader, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %.preheader.unr-lcssa, %.lr.ph.epil
  %indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %.lr.ph.epil ], [ %indvars.iv.unr, %.preheader.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %.preheader.unr-lcssa ]
  %25 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %indvars.iv.epil, i64 %indvars.iv.epil
  store i32 0, ptr %25, align 4, !tbaa !8
  %indvars.iv.next.epil = add nuw nsw i64 %indvars.iv.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %.preheader, label %.lr.ph.epil, !llvm.loop !11

.preheader:                                       ; preds = %.lr.ph.epil, %.preheader.unr-lcssa
  br i1 %.not20, label %._crit_edge27, label %.lr.ph26

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader.new ], [ %indvars.iv.next.3, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %26 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %indvars.iv, i64 %indvars.iv
  store i32 0, ptr %26, align 4, !tbaa !8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %indvars.iv.next, i64 %indvars.iv.next
  store i32 0, ptr %27, align 4, !tbaa !8
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %28 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %indvars.iv.next.1, i64 %indvars.iv.next.1
  store i32 0, ptr %28, align 4, !tbaa !8
  %indvars.iv.next.2 = add nuw nsw i64 %indvars.iv, 3
  %29 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %indvars.iv.next.2, i64 %indvars.iv.next.2
  store i32 0, ptr %29, align 4, !tbaa !8
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %.preheader.unr-lcssa, label %.lr.ph, !llvm.loop !13

._crit_edge27:                                    ; preds = %._crit_edge, %0, %.preheader
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  store i32 1061109567, ptr %7, align 4, !tbaa !8
  %30 = load i32, ptr %1, align 4, !tbaa !8
  %.not1828 = icmp slt i32 %30, 0
  br i1 %.not1828, label %._crit_edge32, label %.lr.ph31.preheader

.lr.ph31.preheader:                               ; preds = %._crit_edge27
  %31 = load i32, ptr getelementptr inbounds (i8, ptr @level, i64 4), align 4, !tbaa !8
  %32 = sub nsw i32 %31, %30
  br label %.lr.ph31

.lr.ph26:                                         ; preds = %.preheader, %._crit_edge
  %indvars.iv34 = phi i64 [ %indvars.iv.next35, %._crit_edge ], [ 1, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %33 = 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)
  %34 = getelementptr inbounds [110 x i32], ptr @level, i64 0, i64 %indvars.iv34
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 4 dereferenceable(4) %34)
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %35, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %37 = getelementptr inbounds [110 x i32], ptr @G, i64 0, i64 %indvars.iv34
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %37, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %39 = load i32, ptr %38, align 4, !tbaa !8
  store i32 %39, ptr %37, align 4, !tbaa !8
  %40 = load i32, ptr %4, align 4, !tbaa !8
  %41 = add nsw i32 %40, -1
  store i32 %41, ptr %4, align 4, !tbaa !8
  %.not1922 = icmp eq i32 %40, 0
  br i1 %.not1922, label %._crit_edge, label %.lr.ph23

.lr.ph23:                                         ; preds = %.lr.ph26, %.lr.ph23
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  %42 = 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)
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %44 = load i32, ptr %5, align 4, !tbaa !8
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %45, i64 %indvars.iv34
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %46, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %48 = load i32, ptr %47, align 4, !tbaa !8
  %49 = load i32, ptr %5, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [110 x [110 x i32]], ptr @G, i64 0, i64 %50, i64 %indvars.iv34
  store i32 %48, ptr %51, align 4, !tbaa !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
  %52 = load i32, ptr %4, align 4, !tbaa !8
  %53 = add nsw i32 %52, -1
  store i32 %53, ptr %4, align 4, !tbaa !8
  %.not19 = icmp eq i32 %52, 0
  br i1 %.not19, label %._crit_edge, label %.lr.ph23, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph23, %.lr.ph26
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %54 = load i32, ptr %2, align 4, !tbaa !8
  %55 = sext i32 %54 to i64
  %.not17.not = icmp slt i64 %indvars.iv34, %55
  br i1 %.not17.not, label %.lr.ph26, label %._crit_edge27, !llvm.loop !16

._crit_edge32:                                    ; preds = %.lr.ph31, %._crit_edge27
  %56 = phi i32 [ 1061109567, %._crit_edge27 ], [ %64, %.lr.ph31 ]
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %56)
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %57, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #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

.lr.ph31:                                         ; preds = %.lr.ph31.preheader, %.lr.ph31
  %.029 = phi i32 [ %65, %.lr.ph31 ], [ %32, %.lr.ph31.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #8
  %59 = load i32, ptr %1, align 4, !tbaa !8
  %60 = add nsw i32 %59, %.029
  %61 = load i32, ptr %2, align 4, !tbaa !8
  %62 = call noundef i32 @_Z8dijkstraiii(i32 noundef %.029, i32 noundef %60, i32 noundef %61)
  store i32 %62, ptr %8, align 4, !tbaa !8
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %64 = load i32, ptr %63, align 4, !tbaa !8
  store i32 %64, ptr %7, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #8
  %65 = add nsw i32 %.029, 1
  %66 = load i32, ptr getelementptr inbounds (i8, ptr @level, i64 4), align 4, !tbaa !8
  %.not18.not = icmp slt i32 %.029, %66
  br i1 %.not18.not, label %.lr.ph31, label %._crit_edge32, !llvm.loop !17
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #6 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 #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 #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = { 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 #7 = { 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 #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.unroll.disable"}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass