; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Random/Jim and the Skyscrapers (A)

; 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::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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@h = external dso_local global [300100 x i32], align 16
@l = external dso_local global [300100 x i32], align 16
@pos = external dso_local global [1001000 x %"class.std::vector"], align 16
@s = external dso_local global %"class.std::stack", align 8
@ans = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 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 %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %33, %0
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr @n, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %36

22:                                               ; preds = %17
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %24
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %25)
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %31
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %32, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %33

33:                                               ; preds = %22
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %2, align 4, !tbaa !5
  br label %17, !llvm.loop !9

36:                                               ; preds = %21
  store i32 -1, ptr @l, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %72, %36
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = load i32, ptr @n, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %75

42:                                               ; preds = %37
  br label %43

43:                                               ; preds = %58, %42
  %44 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %44, label %56, label %45

45:                                               ; preds = %43
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = load i32, ptr %4, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = icmp sle i32 %50, %54
  br label %56

56:                                               ; preds = %45, %43
  %57 = phi i1 [ false, %43 ], [ %55, %45 ]
  br i1 %57, label %58, label %59

58:                                               ; preds = %56
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br label %43, !llvm.loop !11

59:                                               ; preds = %56
  %60 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %60, label %61, label %65

61:                                               ; preds = %59
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [300100 x i32], ptr @l, i64 0, i64 %63
  store i32 -1, ptr %64, align 4, !tbaa !5
  br label %71

65:                                               ; preds = %59
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [300100 x i32], ptr @l, i64 0, i64 %69
  store i32 %67, ptr %70, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %65, %61
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %4, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %4, align 4, !tbaa !5
  br label %37, !llvm.loop !12

75:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %76

76:                                               ; preds = %155, %75
  %77 = load i32, ptr %5, align 4, !tbaa !5
  %78 = load i32, ptr @n, align 4, !tbaa !5
  %79 = icmp slt i32 %77, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %158

81:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %82 = load i32, ptr %5, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %86
  %88 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %87) #7
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = load i32, ptr %5, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %91
  %93 = load i32, ptr %92, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %94
  %96 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %95) #7
  %97 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %96, ptr %97, align 8
  %98 = load i32, ptr %5, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [300100 x i32], ptr @l, i64 0, i64 %99
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %102 = load ptr, ptr %101, align 8
  %103 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %104 = load ptr, ptr %103, align 8
  %105 = call ptr @_ZSt11upper_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %102, ptr %104, ptr noundef nonnull align 4 dereferenceable(4) %100)
  %106 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %105, ptr %106, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %107 = load i32, ptr %5, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %108
  %110 = load i32, ptr %109, align 4, !tbaa !5
  %111 = sext i32 %110 to i64
  %112 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %111
  %113 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %112) #7
  %114 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %113, ptr %114, align 8
  %115 = call noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %116 = trunc i64 %115 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  store i32 %116, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %117 = load i32, ptr %5, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %118
  %120 = load i32, ptr %119, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %121
  %123 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %122) #7
  %124 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %123, ptr %124, align 8
  %125 = load i32, ptr %5, align 4, !tbaa !5
  %126 = sext i32 %125 to i64
  %127 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %126
  %128 = load i32, ptr %127, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %129
  %131 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %130) #7
  %132 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %131, ptr %132, align 8
  %133 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %134 = load ptr, ptr %133, align 8
  %135 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %136 = load ptr, ptr %135, align 8
  %137 = call ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %134, ptr %136, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %138 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %137, ptr %138, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %139 = load i32, ptr %5, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %140
  %142 = load i32, ptr %141, align 4, !tbaa !5
  %143 = sext i32 %142 to i64
  %144 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %143
  %145 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %144) #7
  %146 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %145, ptr %146, align 8
  %147 = call noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %148 = trunc i64 %147 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  store i32 %148, ptr %11, align 4, !tbaa !5
  %149 = load i32, ptr %11, align 4, !tbaa !5
  %150 = load i32, ptr %6, align 4, !tbaa !5
  %151 = sub nsw i32 %149, %150
  %152 = sext i32 %151 to i64
  %153 = load i64, ptr @ans, align 8, !tbaa !13
  %154 = add nsw i64 %153, %152
  store i64 %154, ptr @ans, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %155

155:                                              ; preds = %81
  %156 = load i32, ptr %5, align 4, !tbaa !5
  %157 = add nsw i32 %156, 1
  store i32 %157, ptr %5, align 4, !tbaa !5
  br label %76, !llvm.loop !15

158:                                              ; preds = %80
  %159 = load i64, ptr @ans, align 8, !tbaa !13
  %160 = mul nsw i64 %159, 2
  %161 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %160)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11upper_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) #6

declare i32 @printf(ptr noundef, ...) #1

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 = !{!"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 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!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::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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@h = external dso_local global [300100 x i32], align 16
@l = external dso_local global [300100 x i32], align 16
@pos = external dso_local global [1001000 x %"class.std::vector"], align 16
@s = external dso_local global %"class.std::stack", align 8
@ans = external dso_local local_unnamed_addr global i64, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 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 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  store i32 0, ptr %1, align 4, !tbaa !5
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  store i32 -1, ptr @l, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  store i32 1, ptr %3, align 4, !tbaa !5
  %12 = load i32, ptr @n, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 1
  br i1 %13, label %.preheader, label %._crit_edge10

.lr.ph:                                           ; preds = %0, %.lr.ph
  %storemerge7 = phi i32 [ %24, %.lr.ph ], [ 0, %0 ]
  %14 = sext i32 %storemerge7 to i64
  %15 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %14
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %15)
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %21
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %23 = load i32, ptr %1, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %1, align 4, !tbaa !5
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.preheader:                                       ; preds = %._crit_edge, %45
  %27 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %27, label %.critedge, label %.lr.ph8

._crit_edge10:                                    ; preds = %45, %._crit_edge
  %28 = phi i32 [ %12, %._crit_edge ], [ %50, %45 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 0, ptr %4, align 4, !tbaa !5
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %.lr.ph13, label %._crit_edge10.._crit_edge14_crit_edge

._crit_edge10.._crit_edge14_crit_edge:            ; preds = %._crit_edge10
  %.pre = load i64, ptr @ans, align 8, !tbaa !11
  br label %._crit_edge14

.lr.ph8:                                          ; preds = %.preheader, %39
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %.not = icmp sgt i32 %34, %38
  br i1 %.not, label %.critedge, label %39

39:                                               ; preds = %.lr.ph8
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %40 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %40, label %.critedge, label %.lr.ph8, !llvm.loop !13

.critedge:                                        ; preds = %.lr.ph8, %39, %.preheader
  %41 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %41, label %45, label %42

42:                                               ; preds = %.critedge
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %44 = load i32, ptr %43, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %.critedge, %42
  %.sink = phi i32 [ %44, %42 ], [ -1, %.critedge ]
  %.sink18 = load i32, ptr %3, align 4, !tbaa !5
  %46 = sext i32 %.sink18 to i64
  %47 = getelementptr inbounds [300100 x i32], ptr @l, i64 0, i64 %46
  store i32 %.sink, ptr %47, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %3, align 4, !tbaa !5
  %50 = load i32, ptr @n, align 4, !tbaa !5
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %.preheader, label %._crit_edge10, !llvm.loop !14

._crit_edge14:                                    ; preds = %.lr.ph13, %._crit_edge10.._crit_edge14_crit_edge
  %52 = phi i64 [ %.pre, %._crit_edge10.._crit_edge14_crit_edge ], [ %106, %.lr.ph13 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %53 = shl nsw i64 %52, 1
  %54 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %53)
  ret i32 0

.lr.ph13:                                         ; preds = %._crit_edge10, %.lr.ph13
  %storemerge611 = phi i32 [ %108, %.lr.ph13 ], [ 0, %._crit_edge10 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %55 = sext i32 %storemerge611 to i64
  %56 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %58
  %60 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #7
  %61 = load i32, ptr %4, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %65
  %67 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %66) #7
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [300100 x i32], ptr @l, i64 0, i64 %69
  %71 = call ptr @_ZSt11upper_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %60, ptr %67, ptr noundef nonnull align 4 dereferenceable(4) %70)
  store ptr %71, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %72 = load i32, ptr %4, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %73
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %76
  %78 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %77) #7
  store ptr %78, ptr %6, align 8
  %79 = call noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %80 = load i32, ptr %4, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %81
  %83 = load i32, ptr %82, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %84
  %86 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %85) #7
  %87 = load i32, ptr %4, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %88
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %91
  %93 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %92) #7
  %94 = call ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %86, ptr %93, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store ptr %94, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %95 = load i32, ptr %4, align 4, !tbaa !5
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds [300100 x i32], ptr @h, i64 0, i64 %96
  %98 = load i32, ptr %97, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [1001000 x %"class.std::vector"], ptr @pos, i64 0, i64 %99
  %101 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %100) #7
  store ptr %101, ptr %8, align 8
  %102 = call noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  %103 = sub i64 %102, %79
  %sext = shl i64 %103, 32
  %104 = ashr exact i64 %sext, 32
  %105 = load i64, ptr @ans, align 8, !tbaa !11
  %106 = add nsw i64 %105, %104
  store i64 %106, ptr @ans, align 8, !tbaa !11
  %107 = load i32, ptr %4, align 4, !tbaa !5
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %4, align 4, !tbaa !5
  %109 = load i32, ptr @n, align 4, !tbaa !5
  %110 = icmp slt i32 %108, %109
  br i1 %110, label %.lr.ph13, label %._crit_edge14, !llvm.loop !15
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPiSt6vectorIiSaIiEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11upper_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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