; LLVM IR from forestLoop/Learning-ITMO-Academy-Pilot-Course :: segment-tree-1 (1-C)

; 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.SegmentTree = type { i64, %"struct.std::pair", %"class.std::function", %"class.std::vector" }
%"struct.std::pair" = type { i32, i32 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon = type { i8 }
%"class.std::allocator" = type { i8 }

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

; 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.SegmentTree, align 8
  %5 = alloca %"struct.std::pair", align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::function", align 8
  %9 = alloca %class.anon, align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca %"struct.std::pair", align 4
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  %24 = alloca i32, align 4
  %25 = alloca ptr, align 8
  %26 = alloca %"struct.std::pair", 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 %27

27:                                               ; preds = %154, %0
  %28 = 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)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = getelementptr i8, ptr %30, i64 -24
  %32 = load i64, ptr %31, align 8
  %33 = getelementptr inbounds i8, ptr %29, i64 %32
  %34 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %33)
  br i1 %34, label %35, label %158

35:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 72, ptr %4) #7
  %36 = load i32, ptr %2, align 4, !tbaa !8
  %37 = sext i32 %36 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %38 = call noundef i32 @_ZNSt14numeric_limitsIiE3maxEv() #7
  store i32 %38, ptr %6, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  call void @"_ZNSt8functionIFSt4pairIiiERKS1_S3_EEC2IZ4mainE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZN11SegmentTreeISt4pairIiiEEC2EmRKS1_RKSt8functionIFS1_S4_S4_EE(ptr noundef nonnull align 8 dereferenceable(72) %4, i64 noundef %37, ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %39 unwind label %49

39:                                               ; preds = %35
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #7
  %40 = load i32, ptr %2, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 1, ptr %15, align 4, !tbaa !8
  invoke void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %42 unwind label %53

42:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #7
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %41, ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %43 unwind label %57

43:                                               ; preds = %42
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !8
  br label %44

44:                                               ; preds = %69, %43
  %45 = load i32, ptr %17, align 4, !tbaa !8
  %46 = load i32, ptr %2, align 4, !tbaa !8
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %62, label %48

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %76

49:                                               ; preds = %35
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %10, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %11, align 4
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  br label %157

53:                                               ; preds = %39
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %10, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %11, align 4
  br label %61

57:                                               ; preds = %42
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %10, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %11, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  br label %61

61:                                               ; preds = %57, %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %156

62:                                               ; preds = %44
  %63 = load i32, ptr %17, align 4, !tbaa !8
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %64) #7
  %66 = getelementptr inbounds %"struct.std::pair", ptr %65, i32 0, i32 0
  %67 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %66)
          to label %68 unwind label %72

68:                                               ; preds = %62
  br label %69

69:                                               ; preds = %68
  %70 = load i32, ptr %17, align 4, !tbaa !8
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %17, align 4, !tbaa !8
  br label %44, !llvm.loop !11

72:                                               ; preds = %62
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %10, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %155

76:                                               ; preds = %48
  invoke void @_ZN11SegmentTreeISt4pairIiiEE5BuildEOSt6vectorIS1_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(72) %4, ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %77 unwind label %96

77:                                               ; preds = %76
  br label %78

78:                                               ; preds = %152, %77
  %79 = load i32, ptr %3, align 4, !tbaa !8
  %80 = add nsw i32 %79, -1
  store i32 %80, ptr %3, align 4, !tbaa !8
  %81 = icmp ne i32 %79, 0
  br i1 %81, label %82, label %154

82:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %83 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %84 unwind label %100

84:                                               ; preds = %82
  %85 = load i32, ptr %18, align 4, !tbaa !8
  %86 = icmp eq i32 %85, 1
  br i1 %86, label %87, label %113

87:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #7
  %88 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %89 unwind label %104

89:                                               ; preds = %87
  %90 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %88, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %91 unwind label %104

91:                                               ; preds = %89
  %92 = load i32, ptr %19, align 4, !tbaa !8
  %93 = sext i32 %92 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #7
  store i32 1, ptr %22, align 4, !tbaa !8
  invoke void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %21, ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %22)
          to label %94 unwind label %108

94:                                               ; preds = %91
  invoke void @_ZN11SegmentTreeISt4pairIiiEE3SetEmRKS1_(ptr noundef nonnull align 8 dereferenceable(72) %4, i64 noundef %93, ptr noundef nonnull align 4 dereferenceable(8) %21)
          to label %95 unwind label %108

95:                                               ; preds = %94
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %152

96:                                               ; preds = %76
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %10, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %11, align 4
  br label %155

100:                                              ; preds = %82
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %10, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %11, align 4
  br label %153

104:                                              ; preds = %89, %87
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %10, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %11, align 4
  br label %112

108:                                              ; preds = %94, %91
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %10, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  br label %112

112:                                              ; preds = %108, %104
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %153

113:                                              ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #7
  %114 = 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 %115 unwind label %138

115:                                              ; preds = %113
  %116 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %114, ptr noundef nonnull align 4 dereferenceable(4) %24)
          to label %117 unwind label %138

117:                                              ; preds = %115
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #7
  %118 = load i32, ptr %23, align 4, !tbaa !8
  %119 = sext i32 %118 to i64
  %120 = load i32, ptr %24, align 4, !tbaa !8
  %121 = sext i32 %120 to i64
  %122 = invoke i64 @_ZN11SegmentTreeISt4pairIiiEE5QueryEmm(ptr noundef nonnull align 8 dereferenceable(72) %4, i64 noundef %119, i64 noundef %121)
          to label %123 unwind label %142

123:                                              ; preds = %117
  store i64 %122, ptr %26, align 4
  store ptr %26, ptr %25, align 8, !tbaa !13
  %124 = load ptr, ptr %25, align 8, !tbaa !13
  %125 = getelementptr inbounds %"struct.std::pair", ptr %124, i32 0, i32 0
  %126 = load i32, ptr %125, align 4, !tbaa !15
  %127 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %126)
          to label %128 unwind label %146

128:                                              ; preds = %123
  %129 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %127, ptr noundef @.str)
          to label %130 unwind label %146

130:                                              ; preds = %128
  %131 = load ptr, ptr %25, align 8, !tbaa !13
  %132 = getelementptr inbounds %"struct.std::pair", ptr %131, i32 0, i32 1
  %133 = load i32, ptr %132, align 4, !tbaa !17
  %134 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %129, i32 noundef %133)
          to label %135 unwind label %146

135:                                              ; preds = %130
  %136 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %134, ptr noundef @.str.1)
          to label %137 unwind label %146

137:                                              ; preds = %135
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %152

138:                                              ; preds = %115, %113
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %10, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %11, align 4
  br label %151

142:                                              ; preds = %117
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %10, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %11, align 4
  br label %150

146:                                              ; preds = %135, %130, %128, %123
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %10, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #7
  br label %150

150:                                              ; preds = %146, %142
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  br label %151

151:                                              ; preds = %150, %138
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %153

152:                                              ; preds = %137, %95
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %78, !llvm.loop !18

153:                                              ; preds = %151, %112, %100
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %155

154:                                              ; preds = %78
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  call void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %4) #7
  call void @llvm.lifetime.end.p0(i64 72, ptr %4) #7
  br label %27, !llvm.loop !19

155:                                              ; preds = %153, %96, %72
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %156

156:                                              ; preds = %155, %61
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  call void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %4) #7
  br label %157

157:                                              ; preds = %156, %49
  call void @llvm.lifetime.end.p0(i64 72, 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 %159

158:                                              ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0

159:                                              ; preds = %157
  %160 = load ptr, ptr %10, align 8
  %161 = load i32, ptr %11, align 4
  %162 = insertvalue { ptr, i32 } poison, ptr %160, 0
  %163 = insertvalue { ptr, i32 } %162, i32 %161, 1
  resume { ptr, i32 } %163
}

; 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 noundef i32 @_ZNSt14numeric_limitsIiE3maxEv() #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFSt4pairIiiERKS1_S3_EEC2IZ4mainE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEEC2EmRKS1_RKSt8functionIFS1_S4_S4_EE(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; 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 void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEE5BuildEOSt6vectorIS1_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEE3SetEmRKS1_(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN11SegmentTreeISt4pairIiiEE5QueryEmm(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) #3 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #6 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 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 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 #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 0}
!16 = !{!"_ZTSSt4pairIiiE", !9, i64 0, !9, i64 4}
!17 = !{!16, !9, i64 4}
!18 = distinct !{!18, !12}
!19 = distinct !{!19, !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.SegmentTree = type { i64, %"struct.std::pair", %"class.std::function", %"class.std::vector" }
%"struct.std::pair" = type { i32, i32 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon = type { i8 }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %class.SegmentTree, align 8
  %4 = alloca %"struct.std::pair", align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::function", align 8
  %8 = alloca %class.anon, align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"struct.std::pair", align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %21 = 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)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %23 = load ptr, ptr %22, align 8, !tbaa !5
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr %22, i64 %25
  %27 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %26)
  br i1 %27, label %.lr.ph28, label %._crit_edge29

.lr.ph28:                                         ; preds = %0, %._crit_edge26
  call void @llvm.lifetime.start.p0(i64 72, ptr nonnull %3) #7
  %28 = load i32, ptr %1, align 4, !tbaa !8
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %30 = call noundef i32 @_ZNSt14numeric_limitsIiE3maxEv() #7
  store i32 %30, ptr %5, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 1, ptr %6, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #7
  call void @"_ZNSt8functionIFSt4pairIiiERKS1_S3_EEC2IZ4mainE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZN11SegmentTreeISt4pairIiiEEC2EmRKS1_RKSt8functionIFS1_S4_S4_EE(ptr noundef nonnull align 8 dereferenceable(72) %3, i64 noundef %29, ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %31 unwind label %39

31:                                               ; preds = %.lr.ph28
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #7
  %32 = load i32, ptr %1, align 4, !tbaa !8
  %33 = sext i32 %32 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  store i32 0, ptr %11, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #7
  store i32 1, ptr %12, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %13) #7
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %33, ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %34 unwind label %41

34:                                               ; preds = %31
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  %35 = load i32, ptr %1, align 4, !tbaa !8
  %36 = icmp sgt i32 %35, 0
  br i1 %36, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %45, %34
  invoke void @_ZN11SegmentTreeISt4pairIiiEE5BuildEOSt6vectorIS1_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(72) %3, ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %.preheader unwind label %63

.preheader:                                       ; preds = %._crit_edge
  %37 = load i32, ptr %2, align 4, !tbaa !8
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr %2, align 4, !tbaa !8
  %.not24 = icmp eq i32 %37, 0
  br i1 %.not24, label %._crit_edge26, label %.lr.ph25

39:                                               ; preds = %.lr.ph28
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br label %111

41:                                               ; preds = %31
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %110

.lr.ph:                                           ; preds = %34, %45
  %indvars.iv = phi i64 [ %indvars.iv.next, %45 ], [ 0, %34 ]
  %43 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %indvars.iv) #7
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %45 unwind label %49

45:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %46 = load i32, ptr %1, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %indvars.iv.next, %47
  br i1 %48, label %.lr.ph, label %._crit_edge, !llvm.loop !11

49:                                               ; preds = %.lr.ph
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %109

.lr.ph25:                                         ; preds = %.preheader, %98
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #7
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %52 unwind label %65

52:                                               ; preds = %.lr.ph25
  %53 = load i32, ptr %14, align 4, !tbaa !8
  %54 = icmp eq i32 %53, 1
  br i1 %54, label %55, label %72

55:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %15) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #7
  %56 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %57 unwind label %67

57:                                               ; preds = %55
  %58 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %56, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %59 unwind label %67

59:                                               ; preds = %57
  %60 = load i32, ptr %15, align 4, !tbaa !8
  %61 = sext i32 %60 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %18) #7
  store i32 1, ptr %18, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %17, ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %18)
  invoke void @_ZN11SegmentTreeISt4pairIiiEE3SetEmRKS1_(ptr noundef nonnull align 8 dereferenceable(72) %3, i64 noundef %61, ptr noundef nonnull align 4 dereferenceable(8) %17)
          to label %62 unwind label %69

62:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  br label %98

63:                                               ; preds = %._crit_edge
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %109

65:                                               ; preds = %.lr.ph25
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %101

67:                                               ; preds = %57, %55
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %71

69:                                               ; preds = %59
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  br label %71

71:                                               ; preds = %69, %67
  %.pn16 = phi { ptr, i32 } [ %70, %69 ], [ %68, %67 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  br label %101

72:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %19) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %20) #7
  %73 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %74 unwind label %91

74:                                               ; preds = %72
  %75 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %73, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %76 unwind label %91

76:                                               ; preds = %74
  %77 = load i32, ptr %19, align 4, !tbaa !8
  %78 = sext i32 %77 to i64
  %79 = load i32, ptr %20, align 4, !tbaa !8
  %80 = sext i32 %79 to i64
  %81 = invoke i64 @_ZN11SegmentTreeISt4pairIiiEE5QueryEmm(ptr noundef nonnull align 8 dereferenceable(72) %3, i64 noundef %78, i64 noundef %80)
          to label %82 unwind label %93

82:                                               ; preds = %76
  %.sroa.0.0.extract.trunc = trunc i64 %81 to i32
  %.sroa.5.0.extract.shift = lshr i64 %81, 32
  %.sroa.5.0.extract.trunc = trunc nuw i64 %.sroa.5.0.extract.shift to i32
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sroa.0.0.extract.trunc)
          to label %84 unwind label %95

84:                                               ; preds = %82
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %83, ptr noundef nonnull @.str)
          to label %86 unwind label %95

86:                                               ; preds = %84
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %85, i32 noundef %.sroa.5.0.extract.trunc)
          to label %88 unwind label %95

88:                                               ; preds = %86
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef nonnull @.str.1)
          to label %90 unwind label %95

90:                                               ; preds = %88
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %19) #7
  br label %98

91:                                               ; preds = %74, %72
  %92 = landingpad { ptr, i32 }
          cleanup
  br label %97

93:                                               ; preds = %76
  %94 = landingpad { ptr, i32 }
          cleanup
  br label %97

95:                                               ; preds = %88, %86, %84, %82
  %96 = landingpad { ptr, i32 }
          cleanup
  br label %97

97:                                               ; preds = %93, %95, %91
  %.pn.pn = phi { ptr, i32 } [ %92, %91 ], [ %96, %95 ], [ %94, %93 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %19) #7
  br label %101

98:                                               ; preds = %90, %62
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  %99 = load i32, ptr %2, align 4, !tbaa !8
  %100 = add nsw i32 %99, -1
  store i32 %100, ptr %2, align 4, !tbaa !8
  %.not = icmp eq i32 %99, 0
  br i1 %.not, label %._crit_edge26, label %.lr.ph25, !llvm.loop !13

101:                                              ; preds = %97, %71, %65
  %.pn16.pn = phi { ptr, i32 } [ %.pn16, %71 ], [ %.pn.pn, %97 ], [ %66, %65 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  br label %109

._crit_edge26:                                    ; preds = %98, %.preheader
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #7
  call void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %3) #7
  call void @llvm.lifetime.end.p0(i64 72, ptr nonnull %3) #7
  %102 = 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)
  %103 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %102, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %104 = load ptr, ptr %103, align 8, !tbaa !5
  %105 = getelementptr i8, ptr %104, i64 -24
  %106 = load i64, ptr %105, align 8
  %107 = getelementptr inbounds i8, ptr %103, i64 %106
  %108 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %107)
  br i1 %108, label %.lr.ph28, label %._crit_edge29, !llvm.loop !14

109:                                              ; preds = %101, %63, %49
  %.pn19 = phi { ptr, i32 } [ %50, %49 ], [ %.pn16.pn, %101 ], [ %64, %63 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  br label %110

110:                                              ; preds = %109, %41
  %.pn19.pn = phi { ptr, i32 } [ %.pn19, %109 ], [ %42, %41 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #7
  call void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %3) #7
  br label %111

111:                                              ; preds = %110, %39
  %.pn19.pn.pn = phi { ptr, i32 } [ %.pn19.pn, %110 ], [ %40, %39 ]
  call void @llvm.lifetime.end.p0(i64 72, 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 } %.pn19.pn.pn

._crit_edge29:                                    ; preds = %._crit_edge26, %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 noundef i32 @_ZNSt14numeric_limitsIiE3maxEv() local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFSt4pairIiiERKS1_S3_EEC2IZ4mainE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEEC2EmRKS1_RKSt8functionIFS1_S4_S4_EE(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; 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 void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEE5BuildEOSt6vectorIS1_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEE3SetEmRKS1_(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN11SegmentTreeISt4pairIiiEE5QueryEmm(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) local_unnamed_addr #3 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN11SegmentTreeISt4pairIiiEED2Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #6 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 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 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 #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 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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