; LLVM IR from bhrigukansra/algorithms-in-C-Cplusplus-Java-Python-JavaScript :: Algorithms/Implementation/Pattern-Problems/cpp (pattern22)

; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %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
  store i32 0, ptr %1, align 4
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %12 = 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)
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = srem i32 %13, 2
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %16, label %19

16:                                               ; preds = %0
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %92

19:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sdiv i32 %20, 2
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %53, %19
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %56

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %37, %28
  %30 = load i32, ptr %6, align 4, !tbaa !5
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = sub nsw i32 %31, 1
  %33 = icmp sle i32 %30, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %29
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %40

35:                                               ; preds = %29
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  br label %37

37:                                               ; preds = %35
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %6, align 4, !tbaa !5
  br label %29, !llvm.loop !9

40:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %48, %40
  %42 = load i32, ptr %7, align 4, !tbaa !5
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = icmp sle i32 %42, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %41
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %51

46:                                               ; preds = %41
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  br label %48

48:                                               ; preds = %46
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %7, align 4, !tbaa !5
  br label %41, !llvm.loop !11

51:                                               ; preds = %45
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %53

53:                                               ; preds = %51
  %54 = load i32, ptr %5, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %5, align 4, !tbaa !5
  br label %23, !llvm.loop !12

56:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %57 = load i32, ptr %4, align 4, !tbaa !5
  %58 = sub nsw i32 %57, 1
  store i32 %58, ptr %8, align 4, !tbaa !5
  br label %59

59:                                               ; preds = %88, %56
  %60 = load i32, ptr %8, align 4, !tbaa !5
  %61 = icmp sge i32 %60, 1
  br i1 %61, label %63, label %62

62:                                               ; preds = %59
  store i32 11, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %91

63:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %64

64:                                               ; preds = %72, %63
  %65 = load i32, ptr %9, align 4, !tbaa !5
  %66 = load i32, ptr %8, align 4, !tbaa !5
  %67 = sub nsw i32 %66, 1
  %68 = icmp sle i32 %65, %67
  br i1 %68, label %70, label %69

69:                                               ; preds = %64
  store i32 14, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %75

70:                                               ; preds = %64
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  br label %72

72:                                               ; preds = %70
  %73 = load i32, ptr %9, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %9, align 4, !tbaa !5
  br label %64, !llvm.loop !13

75:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 1, ptr %10, align 4, !tbaa !5
  br label %76

76:                                               ; preds = %83, %75
  %77 = load i32, ptr %10, align 4, !tbaa !5
  %78 = load i32, ptr %8, align 4, !tbaa !5
  %79 = icmp sle i32 %77, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %76
  store i32 17, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %86

81:                                               ; preds = %76
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  br label %83

83:                                               ; preds = %81
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %10, align 4, !tbaa !5
  br label %76, !llvm.loop !14

86:                                               ; preds = %80
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %88

88:                                               ; preds = %86
  %89 = load i32, ptr %8, align 4, !tbaa !5
  %90 = add nsw i32 %89, -1
  store i32 %90, ptr %8, align 4, !tbaa !5
  br label %59, !llvm.loop !15

91:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  store i32 0, ptr %3, align 4
  br label %92

92:                                               ; preds = %91, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %93 = load i32, ptr %3, align 4
  switch i32 %93, label %96 [
    i32 0, label %94
    i32 1, label %94
  ]

94:                                               ; preds = %92, %92
  %95 = load i32, ptr %1, align 4
  ret i32 %95

96:                                               ; preds = %92
  unreachable
}

; 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) #1

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

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 nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #1

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

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = tail 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)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %3 = 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)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = and i32 %4, 1
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %0
  %8 = 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.1)
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %.loopexit

10:                                               ; preds = %0
  %11 = sdiv i32 %4, 2
  %.not36 = icmp slt i32 %4, -1
  br i1 %.not36, label %.loopexit, label %.preheader32.preheader

.preheader32.preheader:                           ; preds = %10
  %12 = add nsw i32 %11, 2
  br label %.preheader32

.preheader32:                                     ; preds = %.preheader32.preheader, %17
  %indvars.iv = phi i32 [ 2, %.preheader32.preheader ], [ %indvars.iv.next, %17 ]
  %.02337 = phi i32 [ 1, %.preheader32.preheader ], [ %19, %17 ]
  %.not27.not33 = icmp ugt i32 %.02337, 1
  br i1 %.not27.not33, label %.lr.ph, label %.preheader31.preheader

.preheader31.preheader:                           ; preds = %.lr.ph, %.preheader32
  br label %.preheader31

.preheader30:                                     ; preds = %17
  %13 = icmp sgt i32 %4, 1
  br i1 %13, label %.preheader29.preheader, label %.loopexit

.preheader29.preheader:                           ; preds = %.preheader30
  %14 = add nuw nsw i32 %11, 1
  br label %.preheader29

.lr.ph:                                           ; preds = %.preheader32, %.lr.ph
  %.02234 = phi i32 [ %16, %.lr.ph ], [ 1, %.preheader32 ]
  %15 = 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.2)
  %16 = add nuw nsw i32 %.02234, 1
  %exitcond.not = icmp eq i32 %16, %.02337
  br i1 %exitcond.not, label %.preheader31.preheader, label %.lr.ph, !llvm.loop !9

17:                                               ; preds = %.preheader31
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %19 = add nuw nsw i32 %.02337, 1
  %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
  %exitcond46 = icmp eq i32 %indvars.iv, %12
  br i1 %exitcond46, label %.preheader30, label %.preheader32, !llvm.loop !11

.preheader31:                                     ; preds = %.preheader31.preheader, %.preheader31
  %.02135 = phi i32 [ %21, %.preheader31 ], [ 1, %.preheader31.preheader ]
  %20 = 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.3)
  %21 = add nuw nsw i32 %.02135, 1
  %exitcond45.not = icmp eq i32 %21, %indvars.iv
  br i1 %exitcond45.not, label %17, label %.preheader31, !llvm.loop !12

.preheader29:                                     ; preds = %.preheader29.preheader, %._crit_edge
  %indvars.iv48 = phi i32 [ %14, %.preheader29.preheader ], [ %indvars.iv.next49, %._crit_edge ]
  %.02044 = phi i32 [ %11, %.preheader29.preheader ], [ %25, %._crit_edge ]
  %.not25.not38 = icmp sgt i32 %.02044, 1
  br i1 %.not25.not38, label %.lr.ph40, label %.lr.ph43.preheader

.lr.ph43.preheader:                               ; preds = %.lr.ph40, %.preheader29
  br label %.lr.ph43

.lr.ph40:                                         ; preds = %.preheader29, %.lr.ph40
  %.01939 = phi i32 [ %23, %.lr.ph40 ], [ 1, %.preheader29 ]
  %22 = 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.2)
  %23 = add nuw nsw i32 %.01939, 1
  %exitcond47.not = icmp eq i32 %23, %.02044
  br i1 %exitcond47.not, label %.lr.ph43.preheader, label %.lr.ph40, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph43
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %25 = add nsw i32 %.02044, -1
  %indvars.iv.next49 = add nsw i32 %indvars.iv48, -1
  br i1 %.not25.not38, label %.preheader29, label %.loopexit, !llvm.loop !14

.lr.ph43:                                         ; preds = %.lr.ph43.preheader, %.lr.ph43
  %.042 = phi i32 [ %27, %.lr.ph43 ], [ 1, %.lr.ph43.preheader ]
  %26 = 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.3)
  %27 = add nuw nsw i32 %.042, 1
  %exitcond50.not = icmp eq i32 %27, %indvars.iv48
  br i1 %exitcond50.not, label %._crit_edge, label %.lr.ph43, !llvm.loop !15

.loopexit:                                        ; preds = %._crit_edge, %10, %.preheader30, %7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0
}

; 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 #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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 #3

; 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 #4 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)) #1

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

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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