; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/WF/Medium Hard/GOODPROB/A.ll (Z5getLRv)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, 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 }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local global i32, align 4
@a = external dso_local global [100100 x i32], align 16
@l = external dso_local global [100100 x i32], align 16
@r = external dso_local global [100100 x i32], align 16
@posi = external dso_local global [16384 x %"class.std::vector"], align 16
@maxpos = external dso_local global %"class.std::map", align 8
@s = external dso_local global %"class.std::stack", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5getLRv() #1 {
  %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 %"struct.std::pair", align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #3
  store i32 1, ptr %1, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %19, %0
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %10 = icmp sle i32 %8, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #3
  br label %22

12:                                               ; preds = %7
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [16384 x %"class.std::vector"], ptr @posi, i64 0, i64 %17
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 4 dereferenceable(4) %1)
  br label %19

19:                                               ; preds = %12
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %1, align 4, !tbaa !5
  br label %7, !llvm.loop !9

22:                                               ; preds = %11
  store i32 0, ptr getelementptr inbounds ([100100 x i32], ptr @l, i64 0, i64 1), align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 1, 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 %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 2, ptr %3, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %56, %22
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %59

28:                                               ; preds = %23
  br label %29

29:                                               ; preds = %44, %28
  %30 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %30, label %42, label %31

31:                                               ; preds = %29
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %34
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %38
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = icmp slt i32 %36, %40
  br label %42

42:                                               ; preds = %31, %29
  %43 = phi i1 [ false, %29 ], [ %41, %31 ]
  br i1 %43, label %44, label %45

44:                                               ; preds = %42
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br label %29, !llvm.loop !11

45:                                               ; preds = %42
  %46 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %46, label %47, label %48

47:                                               ; preds = %45
  br label %51

48:                                               ; preds = %45
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %50 = load i32, ptr %49, align 4, !tbaa !5
  br label %51

51:                                               ; preds = %48, %47
  %52 = phi i32 [ 0, %47 ], [ %50, %48 ]
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [100100 x i32], ptr @l, i64 0, i64 %54
  store i32 %52, ptr %55, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %3)
  br label %56

56:                                               ; preds = %51
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %3, align 4, !tbaa !5
  br label %23, !llvm.loop !12

59:                                               ; preds = %27
  br label %60

60:                                               ; preds = %63, %59
  %61 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %62 = xor i1 %61, true
  br i1 %62, label %63, label %64

63:                                               ; preds = %60
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br label %60, !llvm.loop !13

64:                                               ; preds = %60
  %65 = load i32, ptr @n, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  %67 = load i32, ptr @n, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %70 = load i32, ptr @n, align 4, !tbaa !5
  %71 = sub nsw i32 %70, 1
  store i32 %71, ptr %4, align 4, !tbaa !5
  br label %72

72:                                               ; preds = %106, %64
  %73 = load i32, ptr %4, align 4, !tbaa !5
  %74 = icmp ne i32 %73, 0
  br i1 %74, label %76, label %75

75:                                               ; preds = %72
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %109

76:                                               ; preds = %72
  br label %77

77:                                               ; preds = %92, %76
  %78 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %78, label %90, label %79

79:                                               ; preds = %77
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %82
  %84 = load i32, ptr %83, align 4, !tbaa !5
  %85 = load i32, ptr %4, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %86
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = icmp sle i32 %84, %88
  br label %90

90:                                               ; preds = %79, %77
  %91 = phi i1 [ false, %77 ], [ %89, %79 ]
  br i1 %91, label %92, label %93

92:                                               ; preds = %90
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br label %77, !llvm.loop !14

93:                                               ; preds = %90
  %94 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %94, label %95, label %98

95:                                               ; preds = %93
  %96 = load i32, ptr @n, align 4, !tbaa !5
  %97 = add nsw i32 %96, 1
  br label %101

98:                                               ; preds = %93
  %99 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %100 = load i32, ptr %99, align 4, !tbaa !5
  br label %101

101:                                              ; preds = %98, %95
  %102 = phi i32 [ %97, %95 ], [ %100, %98 ]
  %103 = load i32, ptr %4, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %104
  store i32 %102, ptr %105, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %106

106:                                              ; preds = %101
  %107 = load i32, ptr %4, align 4, !tbaa !5
  %108 = add nsw i32 %107, -1
  store i32 %108, ptr %4, align 4, !tbaa !5
  br label %72, !llvm.loop !15

109:                                              ; preds = %75
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %110

110:                                              ; preds = %125, %109
  %111 = load i32, ptr %5, align 4, !tbaa !5
  %112 = load i32, ptr @n, align 4, !tbaa !5
  %113 = icmp sle i32 %111, %112
  br i1 %113, label %115, label %114

114:                                              ; preds = %110
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %128

115:                                              ; preds = %110
  %116 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %117 = load i32, ptr %5, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = getelementptr inbounds [100100 x i32], ptr @l, i64 0, i64 %118
  %120 = load i32, ptr %5, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %121
  %123 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %119, ptr noundef nonnull align 4 dereferenceable(4) %122)
  store i64 %123, ptr %6, align 4
  %124 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @maxpos, ptr noundef nonnull align 4 dereferenceable(8) %6)
  store i32 %116, ptr %124, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %125

125:                                              ; preds = %115
  %126 = load i32, ptr %5, align 4, !tbaa !5
  %127 = add nsw i32 %126, 1
  store i32 %127, ptr %5, align 4, !tbaa !5
  br label %110, !llvm.loop !16

128:                                              ; preds = %114
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 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)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 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 #3 = { 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}
!16 = distinct !{!16, !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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, 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 }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local global i32, align 4
@a = external dso_local local_unnamed_addr global [100100 x i32], align 16
@l = external dso_local global [100100 x i32], align 16
@r = external dso_local global [100100 x i32], align 16
@posi = external dso_local global [16384 x %"class.std::vector"], align 16
@maxpos = external dso_local global %"class.std::map", align 8
@s = external dso_local global %"class.std::stack", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5getLRv() local_unnamed_addr #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  store i32 1, ptr %1, align 4, !tbaa !5
  %6 = load i32, ptr @n, align 4, !tbaa !5
  %.not15 = icmp slt i32 %6, 1
  br i1 %.not15, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  store i32 0, ptr getelementptr inbounds (i8, ptr @l, i64 4), align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  store i32 1, 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) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  store i32 2, ptr %3, align 4, !tbaa !5
  %7 = load i32, ptr @n, align 4, !tbaa !5
  %.not919 = icmp slt i32 %7, 2
  br i1 %.not919, label %._crit_edge20, label %.preheader14

.lr.ph:                                           ; preds = %0, %.lr.ph
  %storemerge16 = phi i32 [ %14, %.lr.ph ], [ 1, %0 ]
  %8 = sext i32 %storemerge16 to i64
  %9 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [16384 x %"class.std::vector"], ptr @posi, i64 0, i64 %11
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = add nsw i32 %13, 1
  store i32 %14, ptr %1, align 4, !tbaa !5
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %.not.not = icmp slt i32 %13, %15
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.preheader14:                                     ; preds = %._crit_edge, %34
  %16 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %16, label %.critedge, label %.lr.ph17

._crit_edge20:                                    ; preds = %34, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  %17 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %17, label %._crit_edge23, label %.lr.ph22

.lr.ph17:                                         ; preds = %.preheader14, %28
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = icmp slt i32 %22, %26
  br i1 %27, label %28, label %.critedge

28:                                               ; preds = %.lr.ph17
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %29 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %29, label %.critedge, label %.lr.ph17, !llvm.loop !11

.critedge:                                        ; preds = %.lr.ph17, %28, %.preheader14
  %30 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %30, label %34, label %31

31:                                               ; preds = %.critedge
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %33 = load i32, ptr %32, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %.critedge, %31
  %35 = phi i32 [ %33, %31 ], [ 0, %.critedge ]
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100100 x i32], ptr @l, i64 0, i64 %37
  store i32 %35, ptr %38, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %3, align 4, !tbaa !5
  %41 = load i32, ptr @n, align 4, !tbaa !5
  %.not9.not = icmp slt i32 %39, %41
  br i1 %.not9.not, label %.preheader14, label %._crit_edge20, !llvm.loop !12

.lr.ph22:                                         ; preds = %._crit_edge20, %.lr.ph22
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %42 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %42, label %._crit_edge23, label %.lr.ph22, !llvm.loop !13

._crit_edge23:                                    ; preds = %.lr.ph22, %._crit_edge20
  %43 = load i32, ptr @n, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  %45 = sext i32 %43 to i64
  %46 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %45
  store i32 %44, ptr %46, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %storemerge10.in26 = load i32, ptr @n, align 4, !tbaa !5
  %storemerge1027 = add nsw i32 %storemerge10.in26, -1
  store i32 %storemerge1027, ptr %4, align 4, !tbaa !5
  %.not1128 = icmp eq i32 %storemerge1027, 0
  br i1 %.not1128, label %._crit_edge29.thread, label %.preheader

._crit_edge29.thread:                             ; preds = %._crit_edge23
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  br label %.lr.ph33.preheader

.preheader:                                       ; preds = %._crit_edge23, %66
  %47 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %47, label %.critedge2, label %.lr.ph24

._crit_edge29:                                    ; preds = %66
  %.pre = load i32, ptr @n, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  %.not1230 = icmp slt i32 %.pre, 1
  br i1 %.not1230, label %._crit_edge34, label %.lr.ph33.preheader

.lr.ph33.preheader:                               ; preds = %._crit_edge29.thread, %._crit_edge29
  br label %.lr.ph33

.lr.ph24:                                         ; preds = %.preheader, %57
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %.not13 = icmp sgt i32 %52, %56
  br i1 %.not13, label %.critedge2, label %57

57:                                               ; preds = %.lr.ph24
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %58 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %58, label %.critedge2, label %.lr.ph24, !llvm.loop !14

.critedge2:                                       ; preds = %.lr.ph24, %57, %.preheader
  %59 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  br i1 %59, label %60, label %63

60:                                               ; preds = %.critedge2
  %61 = load i32, ptr @n, align 4, !tbaa !5
  %62 = add nsw i32 %61, 1
  br label %66

63:                                               ; preds = %.critedge2
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) @s)
  %65 = load i32, ptr %64, align 4, !tbaa !5
  br label %66

66:                                               ; preds = %63, %60
  %67 = phi i32 [ %62, %60 ], [ %65, %63 ]
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %69
  store i32 %67, ptr %70, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @s, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %storemerge10.in = load i32, ptr %4, align 4, !tbaa !5
  %storemerge10 = add nsw i32 %storemerge10.in, -1
  store i32 %storemerge10, ptr %4, align 4, !tbaa !5
  %.not11 = icmp eq i32 %storemerge10, 0
  br i1 %.not11, label %._crit_edge29, label %.preheader, !llvm.loop !15

._crit_edge34:                                    ; preds = %.lr.ph33, %._crit_edge29
  ret void

.lr.ph33:                                         ; preds = %.lr.ph33.preheader, %.lr.ph33
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph33 ], [ 1, %.lr.ph33.preheader ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %71 = getelementptr inbounds [100100 x i32], ptr @l, i64 0, i64 %indvars.iv
  %72 = getelementptr inbounds [100100 x i32], ptr @r, i64 0, i64 %indvars.iv
  %73 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %71, ptr noundef nonnull align 4 dereferenceable(4) %72)
  store i64 %73, ptr %5, align 8
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @maxpos, ptr noundef nonnull align 4 dereferenceable(8) %5)
  %75 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %75, ptr %74, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %76 = load i32, ptr @n, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %.not12.not = icmp slt i64 %indvars.iv, %77
  br i1 %.not12.not, label %.lr.ph33, label %._crit_edge34, !llvm.loop !16
}

; 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 #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 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 #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 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 #3 = { 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}
!16 = distinct !{!16, !10}


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