; LLVM IR from brpapa/algorithms :: solutions/live-archive (3652)

; 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" }

@grid = external dso_local global [1001 x [1001 x i32]], align 16
@C = external dso_local global i32, align 4
@R = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4dijkiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %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
  store i32 0, ptr %1, align 4
  br label %15

15:                                               ; preds = %107, %0
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @C)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) @R)
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr %17, i64 %20
  %22 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %21)
  br i1 %22, label %23, label %31

23:                                               ; preds = %15
  %24 = load i32, ptr @C, align 4, !tbaa !8
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %29, label %26

26:                                               ; preds = %23
  %27 = load i32, ptr @R, align 4, !tbaa !8
  %28 = icmp ne i32 %27, 0
  br label %29

29:                                               ; preds = %26, %23
  %30 = phi i1 [ true, %23 ], [ %28, %26 ]
  br label %31

31:                                               ; preds = %29, %15
  %32 = phi i1 [ false, %15 ], [ %30, %29 ]
  br i1 %32, label %33, label %108

33:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %34 = 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)
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %36 = load i32, ptr %2, align 4, !tbaa !8
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %2, align 4, !tbaa !8
  %38 = load i32, ptr %3, align 4, !tbaa !8
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %3, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %42 = load i32, ptr %4, align 4, !tbaa !8
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %4, align 4, !tbaa !8
  %44 = load i32, ptr %5, align 4, !tbaa !8
  %45 = add nsw i32 %44, -1
  store i32 %45, ptr %5, align 4, !tbaa !8
  call void @llvm.memset.p0.i64(ptr align 16 @grid, i8 0, i64 4008004, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %46 = 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)
  br label %47

47:                                               ; preds = %91, %33
  %48 = load i32, ptr %6, align 4, !tbaa !8
  %49 = add nsw i32 %48, -1
  store i32 %49, ptr %6, align 4, !tbaa !8
  %50 = icmp ne i32 %48, 0
  br i1 %50, label %51, label %92

51:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %52 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %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) %8)
  %54 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %53, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %54, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %56 = load i32, ptr %7, align 4, !tbaa !8
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr %7, align 4, !tbaa !8
  %58 = load i32, ptr %8, align 4, !tbaa !8
  %59 = add nsw i32 %58, -1
  store i32 %59, ptr %8, align 4, !tbaa !8
  %60 = load i32, ptr %9, align 4, !tbaa !8
  %61 = add nsw i32 %60, -1
  store i32 %61, ptr %9, align 4, !tbaa !8
  %62 = load i32, ptr %10, align 4, !tbaa !8
  %63 = add nsw i32 %62, -1
  store i32 %63, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %64 = load i32, ptr %8, align 4, !tbaa !8
  store i32 %64, ptr %11, align 4, !tbaa !8
  br label %65

65:                                               ; preds = %88, %51
  %66 = load i32, ptr %11, align 4, !tbaa !8
  %67 = load i32, ptr %10, align 4, !tbaa !8
  %68 = icmp sle i32 %66, %67
  br i1 %68, label %70, label %69

69:                                               ; preds = %65
  store i32 6, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %91

70:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %71 = load i32, ptr %7, align 4, !tbaa !8
  store i32 %71, ptr %13, align 4, !tbaa !8
  br label %72

72:                                               ; preds = %84, %70
  %73 = load i32, ptr %13, align 4, !tbaa !8
  %74 = load i32, ptr %9, align 4, !tbaa !8
  %75 = icmp sle i32 %73, %74
  br i1 %75, label %77, label %76

76:                                               ; preds = %72
  store i32 9, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %87

77:                                               ; preds = %72
  %78 = load i32, ptr %11, align 4, !tbaa !8
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [1001 x [1001 x i32]], ptr @grid, i64 0, i64 %79
  %81 = load i32, ptr %13, align 4, !tbaa !8
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [1001 x i32], ptr %80, i64 0, i64 %82
  store i32 1, ptr %83, align 4, !tbaa !8
  br label %84

84:                                               ; preds = %77
  %85 = load i32, ptr %13, align 4, !tbaa !8
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %13, align 4, !tbaa !8
  br label %72, !llvm.loop !11

87:                                               ; preds = %76
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %11, align 4, !tbaa !8
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %11, align 4, !tbaa !8
  br label %65, !llvm.loop !13

91:                                               ; preds = %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %47, !llvm.loop !14

92:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %93 = load i32, ptr %3, align 4, !tbaa !8
  %94 = load i32, ptr %2, align 4, !tbaa !8
  %95 = load i32, ptr %5, align 4, !tbaa !8
  %96 = load i32, ptr %4, align 4, !tbaa !8
  %97 = call noundef i32 @_Z4dijkiiii(i32 noundef %93, i32 noundef %94, i32 noundef %95, i32 noundef %96)
  store i32 %97, ptr %14, align 4, !tbaa !8
  %98 = load i32, ptr %14, align 4, !tbaa !8
  %99 = icmp eq i32 %98, 1073741824
  br i1 %99, label %100, label %103

100:                                              ; preds = %92
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %107

103:                                              ; preds = %92
  %104 = load i32, ptr %14, align 4, !tbaa !8
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %104)
  %106 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %105, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %107

107:                                              ; preds = %103, %100
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %15, !llvm.loop !15

108:                                              ; preds = %31
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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 #6 = { 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" }

@grid = external dso_local local_unnamed_addr global [1001 x [1001 x i32]], align 16
@C = external dso_local global i32, align 4
@R = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4dijkiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %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 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @C)
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) @R)
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr %11, i64 %14
  %16 = tail call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %15)
  br i1 %16, label %.lr.ph19, label %.critedge

.lr.ph19:                                         ; preds = %0, %69
  %17 = load i32, ptr @C, align 4, !tbaa !8
  %18 = icmp ne i32 %17, 0
  %19 = load i32, ptr @R, align 4
  %20 = icmp ne i32 %19, 0
  %21 = select i1 %18, i1 true, i1 %20
  br i1 %21, label %22, label %.critedge

22:                                               ; preds = %.lr.ph19
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %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) %1)
  %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) %2)
  %25 = load i32, ptr %1, align 4, !tbaa !8
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %1, align 4, !tbaa !8
  %27 = load i32, ptr %2, align 4, !tbaa !8
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %2, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %29 = 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)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %31 = load i32, ptr %3, align 4, !tbaa !8
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %3, align 4, !tbaa !8
  %33 = load i32, ptr %4, align 4, !tbaa !8
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %4, align 4, !tbaa !8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(4008004) @grid, i8 0, i64 4008004, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %35 = 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)
  %36 = load i32, ptr %5, align 4, !tbaa !8
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %5, align 4, !tbaa !8
  %.not17 = icmp eq i32 %36, 0
  br i1 %.not17, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %22, %._crit_edge16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  %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) %6)
  %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) %7)
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %42 = load i32, ptr %6, align 4, !tbaa !8
  %43 = load i32, ptr %7, align 4, !tbaa !8
  %44 = load i32, ptr %8, align 4, !tbaa !8
  %45 = load i32, ptr %9, align 4, !tbaa !8
  %.not10.not14.not = icmp sgt i32 %43, %45
  %.not11.not12.not = icmp sgt i32 %42, %44
  %or.cond = select i1 %.not10.not14.not, i1 true, i1 %.not11.not12.not
  br i1 %or.cond, label %._crit_edge16, label %.preheader.us.preheader

.preheader.us.preheader:                          ; preds = %.lr.ph
  %46 = add i32 %43, -1
  %47 = add i32 %42, -1
  %48 = sext i32 %47 to i64
  %49 = sext i32 %46 to i64
  %50 = sub i32 %44, %42
  %51 = zext i32 %50 to i64
  %52 = add nuw nsw i64 %51, 1
  %min.iters.check = icmp ult i32 %50, 7
  %n.vec = and i64 %52, 8589934584
  %ind.end = add nsw i64 %n.vec, %48
  %cmp.n = icmp eq i64 %52, %n.vec
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %indvars.iv23 = phi i64 [ %49, %.preheader.us.preheader ], [ %indvars.iv.next24, %._crit_edge.us ]
  br i1 %min.iters.check, label %scalar.ph.preheader, label %vector.body

vector.body:                                      ; preds = %.preheader.us, %vector.body
  %index = phi i64 [ %index.next, %vector.body ], [ 0, %.preheader.us ]
  %offset.idx = add i64 %index, %48
  %53 = getelementptr inbounds [1001 x [1001 x i32]], ptr @grid, i64 0, i64 %indvars.iv23, i64 %offset.idx
  %54 = getelementptr inbounds i8, ptr %53, i64 16
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %53, align 4, !tbaa !8
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %54, align 4, !tbaa !8
  %index.next = add nuw i64 %index, 8
  %55 = icmp eq i64 %index.next, %n.vec
  br i1 %55, label %middle.block, label %vector.body, !llvm.loop !11

middle.block:                                     ; preds = %vector.body
  br i1 %cmp.n, label %._crit_edge.us, label %scalar.ph.preheader

scalar.ph.preheader:                              ; preds = %middle.block, %.preheader.us
  %indvars.iv.ph = phi i64 [ %48, %.preheader.us ], [ %ind.end, %middle.block ]
  br label %scalar.ph

scalar.ph:                                        ; preds = %scalar.ph.preheader, %scalar.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %scalar.ph ], [ %indvars.iv.ph, %scalar.ph.preheader ]
  %56 = getelementptr inbounds [1001 x [1001 x i32]], ptr @grid, i64 0, i64 %indvars.iv23, i64 %indvars.iv
  store i32 1, ptr %56, align 4, !tbaa !8
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond.not = icmp eq i32 %44, %lftr.wideiv
  br i1 %exitcond.not, label %._crit_edge.us, label %scalar.ph, !llvm.loop !15

._crit_edge.us:                                   ; preds = %scalar.ph, %middle.block
  %indvars.iv.next24 = add nsw i64 %indvars.iv23, 1
  %lftr.wideiv26 = trunc i64 %indvars.iv.next24 to i32
  %exitcond27.not = icmp eq i32 %45, %lftr.wideiv26
  br i1 %exitcond27.not, label %._crit_edge16, label %.preheader.us, !llvm.loop !16

._crit_edge16:                                    ; preds = %._crit_edge.us, %.lr.ph
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  %57 = load i32, ptr %5, align 4, !tbaa !8
  %58 = add nsw i32 %57, -1
  store i32 %58, ptr %5, align 4, !tbaa !8
  %.not = icmp eq i32 %57, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !17

._crit_edge:                                      ; preds = %._crit_edge16, %22
  %59 = load i32, ptr %2, align 4, !tbaa !8
  %60 = load i32, ptr %1, align 4, !tbaa !8
  %61 = load i32, ptr %4, align 4, !tbaa !8
  %62 = load i32, ptr %3, align 4, !tbaa !8
  %63 = call noundef i32 @_Z4dijkiiii(i32 noundef %59, i32 noundef %60, i32 noundef %61, i32 noundef %62)
  %64 = icmp eq i32 %63, 1073741824
  br i1 %64, label %65, label %67

65:                                               ; preds = %._crit_edge
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %69

67:                                               ; preds = %._crit_edge
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %63)
  br label %69

69:                                               ; preds = %67, %65
  %.sink = phi ptr [ %68, %67 ], [ %66, %65 ]
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %.sink, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %71 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @C)
  %72 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %71, ptr noundef nonnull align 4 dereferenceable(4) @R)
  %73 = load ptr, ptr %72, align 8, !tbaa !5
  %74 = getelementptr i8, ptr %73, i64 -24
  %75 = load i64, ptr %74, align 8
  %76 = getelementptr inbounds i8, ptr %72, i64 %75
  %77 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %76)
  br i1 %77, label %.lr.ph19, label %.critedge, !llvm.loop !18

.critedge:                                        ; preds = %.lr.ph19, %69, %0
  ret i32 0
}

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 #3

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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 #6 = { 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, !13, !14}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!"llvm.loop.isvectorized", i32 1}
!14 = !{!"llvm.loop.unroll.runtime.disable"}
!15 = distinct !{!15, !12, !14, !13}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12}


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