; LLVM IR from forestLoop/Learning-ITMO-Academy-Pilot-Course :: binary-search (2-B)

; 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" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%class.anon = type <{ ptr, i32, [4 x i8] }>
%"struct.std::_Setprecision" = type { i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %class.anon, align 8
  %10 = alloca double, align 8
  %11 = alloca double, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca double, align 8
  %15 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  br label %16

16:                                               ; preds = %92, %0
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr %18, i64 %21
  %23 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %22)
  br i1 %23, label %24, label %100

24:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #7
  %25 = load i32, ptr %2, align 4, !tbaa !8
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %26, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %27 unwind label %33

27:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !8
  br label %28

28:                                               ; preds = %43, %27
  %29 = load i32, ptr %8, align 4, !tbaa !8
  %30 = load i32, ptr %2, align 4, !tbaa !8
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %50

33:                                               ; preds = %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  br label %99

37:                                               ; preds = %28
  %38 = load i32, ptr %8, align 4, !tbaa !8
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %39) #7
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %40)
          to label %42 unwind label %46

42:                                               ; preds = %37
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %8, align 4, !tbaa !8
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !8
  br label %28, !llvm.loop !11

46:                                               ; preds = %37
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %6, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %98

50:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #7
  %51 = getelementptr inbounds %class.anon, ptr %9, i32 0, i32 0
  store ptr %4, ptr %51, align 8, !tbaa !13
  %52 = getelementptr inbounds %class.anon, ptr %9, i32 0, i32 1
  %53 = load i32, ptr %3, align 4, !tbaa !8
  store i32 %53, ptr %52, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  store double 0.000000e+00, ptr %10, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store double 0x416312D020000000, ptr %11, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 50, ptr %12, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %54

54:                                               ; preds = %77, %50
  %55 = load i32, ptr %13, align 4, !tbaa !8
  %56 = icmp slt i32 %55, 50
  br i1 %56, label %58, label %57

57:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %80

58:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %59 = load double, ptr %10, align 8, !tbaa !17
  %60 = load double, ptr %11, align 8, !tbaa !17
  %61 = load double, ptr %10, align 8, !tbaa !17
  %62 = fsub double %60, %61
  %63 = fdiv double %62, 2.000000e+00
  %64 = fadd double %59, %63
  store double %64, ptr %14, align 8, !tbaa !17
  %65 = load double, ptr %14, align 8, !tbaa !17
  %66 = invoke noundef zeroext i1 @"_ZZ4mainENK3$_0clEd"(ptr noundef nonnull align 8 dereferenceable(12) %9, double noundef %65)
          to label %67 unwind label %70

67:                                               ; preds = %58
  br i1 %66, label %68, label %74

68:                                               ; preds = %67
  %69 = load double, ptr %14, align 8, !tbaa !17
  store double %69, ptr %10, align 8, !tbaa !17
  br label %76

70:                                               ; preds = %58
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %6, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %97

74:                                               ; preds = %67
  %75 = load double, ptr %14, align 8, !tbaa !17
  store double %75, ptr %11, align 8, !tbaa !17
  br label %76

76:                                               ; preds = %74, %68
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %77

77:                                               ; preds = %76
  %78 = load i32, ptr %13, align 4, !tbaa !8
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %13, align 4, !tbaa !8
  br label %54, !llvm.loop !19

80:                                               ; preds = %57
  %81 = invoke i32 @_ZSt12setprecisioni(i32 noundef 20)
          to label %82 unwind label %93

82:                                               ; preds = %80
  %83 = getelementptr inbounds %"struct.std::_Setprecision", ptr %15, i32 0, i32 0
  store i32 %81, ptr %83, align 4
  %84 = getelementptr inbounds %"struct.std::_Setprecision", ptr %15, i32 0, i32 0
  %85 = load i32, ptr %84, align 4
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 %85)
          to label %87 unwind label %93

87:                                               ; preds = %82
  %88 = load double, ptr %10, align 8, !tbaa !17
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %86, double noundef %88)
          to label %90 unwind label %93

90:                                               ; preds = %87
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %92 unwind label %93

92:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  br label %16, !llvm.loop !20

93:                                               ; preds = %90, %87, %82, %80
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %6, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %7, align 4
  br label %97

97:                                               ; preds = %93, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  br label %98

98:                                               ; preds = %97, %46
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %99

99:                                               ; preds = %98, %33
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %102

100:                                              ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %101 = load i32, ptr %1, align 4
  ret i32 %101

102:                                              ; preds = %99
  %103 = load ptr, ptr %6, align 8
  %104 = load i32, ptr %7, align 4
  %105 = insertvalue { ptr, i32 } poison, ptr %103, 0
  %106 = insertvalue { ptr, i32 } %105, i32 %104, 1
  resume { ptr, i32 } %106
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @"_ZZ4mainENK3$_0clEd"(ptr noundef nonnull align 8 dereferenceable(12), double noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { 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 #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 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !10, i64 0}
!15 = !{!16, !9, i64 8}
!16 = !{!"_ZTSZ4mainE3$_0", !14, i64 0, !9, i64 8}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !10, i64 0}
!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"

%"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" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%class.anon = type <{ ptr, i32, [4 x i8] }>

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %class.anon, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %6 = 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)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr %7, i64 %10
  %12 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %11)
  br i1 %12, label %.lr.ph29, label %._crit_edge30

.lr.ph29:                                         ; preds = %0
  %13 = getelementptr inbounds i8, ptr %5, i64 8
  br label %14

14:                                               ; preds = %.lr.ph29, %44
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %15 = load i32, ptr %1, align 4, !tbaa !8
  %16 = sext i32 %15 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %17 unwind label %21

17:                                               ; preds = %14
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  %18 = load i32, ptr %1, align 4, !tbaa !8
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %17
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #7
  store ptr %3, ptr %5, align 8, !tbaa !11
  %20 = load i32, ptr %2, align 4, !tbaa !8
  store i32 %20, ptr %13, align 8, !tbaa !13
  br label %34

21:                                               ; preds = %14
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %55

.lr.ph:                                           ; preds = %17, %25
  %indvars.iv = phi i64 [ %indvars.iv.next, %25 ], [ 0, %17 ]
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #7
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %25 unwind label %29

25:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %1, align 4, !tbaa !8
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !15

29:                                               ; preds = %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %54

31:                                               ; preds = %34
  %32 = call i32 @_ZSt12setprecisioni(i32 noundef 20)
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 %32)
          to label %40 unwind label %52

34:                                               ; preds = %._crit_edge, %34
  %.01627 = phi i32 [ 0, %._crit_edge ], [ %39, %34 ]
  %.01826 = phi double [ 0x416312D020000000, %._crit_edge ], [ %.018., %34 ]
  %.02025 = phi double [ 0.000000e+00, %._crit_edge ], [ %..020, %34 ]
  %35 = fsub double %.01826, %.02025
  %36 = fmul double %35, 5.000000e-01
  %37 = fadd double %.02025, %36
  %38 = call noundef zeroext i1 @"_ZZ4mainENK3$_0clEd"(ptr noundef nonnull align 8 dereferenceable(12) %5, double noundef %37)
  %..020 = select i1 %38, double %37, double %.02025
  %.018. = select i1 %38, double %.01826, double %37
  %39 = add nuw nsw i32 %.01627, 1
  %exitcond.not = icmp eq i32 %39, 50
  br i1 %exitcond.not, label %31, label %34, !llvm.loop !17

40:                                               ; preds = %31
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %33, double noundef %..020)
          to label %42 unwind label %52

42:                                               ; preds = %40
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %44 unwind label %52

44:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  %45 = 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)
  %46 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %45, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %47 = load ptr, ptr %46, align 8, !tbaa !5
  %48 = getelementptr i8, ptr %47, i64 -24
  %49 = load i64, ptr %48, align 8
  %50 = getelementptr inbounds i8, ptr %46, i64 %49
  %51 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %50)
  br i1 %51, label %14, label %._crit_edge30, !llvm.loop !18

52:                                               ; preds = %42, %40, %31
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #7
  br label %54

54:                                               ; preds = %52, %29
  %.pn = phi { ptr, i32 } [ %30, %29 ], [ %53, %52 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %55

55:                                               ; preds = %54, %21
  %.pn.pn = phi { ptr, i32 } [ %.pn, %54 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

._crit_edge30:                                    ; preds = %44, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

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

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 #2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @"_ZZ4mainENK3$_0clEd"(ptr noundef nonnull align 8 dereferenceable(12), double noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) local_unnamed_addr #3 align 2

; 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 #3 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { 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 #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 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !10, i64 0}
!13 = !{!14, !9, i64 8}
!14 = !{!"_ZTSZ4mainE3$_0", !12, i64 0, !9, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}
!18 = distinct !{!18, !16}


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