; LLVM IR from JamesQuintero/ShiftSort :: C++ (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@num_items = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca [3 x %"class.std::__cxx11::basic_string"], align 16
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca i1, align 1
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store i32 1000000, ptr @num_items, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 10, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 96, ptr %7) #6
  store i1 true, ptr %14, align 1
  store ptr %7, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %19 unwind label %28

19:                                               ; preds = %2
  %20 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %7, i64 1
  store ptr %20, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %21 unwind label %32

21:                                               ; preds = %19
  %22 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %7, i64 2
  store ptr %22, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %22, ptr noundef @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %23 unwind label %36

23:                                               ; preds = %21
  store i1 false, ptr %14, align 1
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %104, %23
  %25 = load i32, ptr %15, align 4, !tbaa !5
  %26 = icmp slt i32 %25, 3
  br i1 %26, label %52, label %27

27:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %116

28:                                               ; preds = %2
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %10, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %11, align 4
  br label %41

32:                                               ; preds = %19
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %10, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %11, align 4
  br label %40

36:                                               ; preds = %21
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %10, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  br label %40

40:                                               ; preds = %36, %32
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  br label %41

41:                                               ; preds = %40, %28
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  %42 = load i1, ptr %14, align 1
  br i1 %42, label %43, label %51

43:                                               ; preds = %41
  %44 = load ptr, ptr %8, align 8
  %45 = icmp eq ptr %7, %44
  br i1 %45, label %50, label %46

46:                                               ; preds = %46, %43
  %47 = phi ptr [ %44, %43 ], [ %48, %46 ]
  %48 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %47, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %48) #6
  %49 = icmp eq ptr %48, %7
  br i1 %49, label %50, label %46

50:                                               ; preds = %46, %43
  br label %51

51:                                               ; preds = %50, %41
  br label %210

52:                                               ; preds = %24
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %54 unwind label %107

54:                                               ; preds = %52
  %55 = load i32, ptr %15, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [3 x %"class.std::__cxx11::basic_string"], ptr %7, i64 0, i64 %56
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef nonnull align 8 dereferenceable(32) %57)
          to label %59 unwind label %107

59:                                               ; preds = %54
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef @.str.4)
          to label %61 unwind label %107

61:                                               ; preds = %59
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %107

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %65 unwind label %107

65:                                               ; preds = %63
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %64, i32 noundef %66)
          to label %68 unwind label %107

68:                                               ; preds = %65
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef @.str.6)
          to label %70 unwind label %107

70:                                               ; preds = %68
  %71 = load i32, ptr @num_items, align 4, !tbaa !5
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %69, i32 noundef %71)
          to label %73 unwind label %107

73:                                               ; preds = %70
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %72, ptr noundef @.str.7)
          to label %75 unwind label %107

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %77 unwind label %107

77:                                               ; preds = %75
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  %78 = load i32, ptr %15, align 4, !tbaa !5
  %79 = load i32, ptr %6, align 4, !tbaa !5
  %80 = invoke noundef i32 @_Z13testShiftSortii(i32 noundef %78, i32 noundef %79)
          to label %81 unwind label %111

81:                                               ; preds = %77
  store i32 %80, ptr %16, align 4, !tbaa !5
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.8)
          to label %83 unwind label %111

83:                                               ; preds = %81
  %84 = load i32, ptr %16, align 4, !tbaa !5
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %82, i32 noundef %84)
          to label %86 unwind label %111

86:                                               ; preds = %83
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef @.str.9)
          to label %88 unwind label %111

88:                                               ; preds = %86
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %90 unwind label %111

90:                                               ; preds = %88
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.10)
          to label %92 unwind label %111

92:                                               ; preds = %90
  %93 = load i32, ptr %16, align 4, !tbaa !5
  %94 = load i32, ptr %6, align 4, !tbaa !5
  %95 = sdiv i32 %93, %94
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %91, i32 noundef %95)
          to label %97 unwind label %111

97:                                               ; preds = %92
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @.str.9)
          to label %99 unwind label %111

99:                                               ; preds = %97
  %100 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %98, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %101 unwind label %111

101:                                              ; preds = %99
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %103 unwind label %111

103:                                              ; preds = %101
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %15, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %15, align 4, !tbaa !5
  br label %24, !llvm.loop !11

107:                                              ; preds = %75, %73, %70, %68, %65, %63, %61, %59, %54, %52
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %10, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %11, align 4
  br label %115

111:                                              ; preds = %101, %99, %97, %92, %90, %88, %86, %83, %81, %77
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %10, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %115

115:                                              ; preds = %111, %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %202

116:                                              ; preds = %27
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %118 unwind label %125

118:                                              ; preds = %116
  %119 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %117, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %120 unwind label %125

120:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %121

121:                                              ; preds = %181, %120
  %122 = load i32, ptr %17, align 4, !tbaa !5
  %123 = icmp slt i32 %122, 3
  br i1 %123, label %129, label %124

124:                                              ; preds = %121
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %193

125:                                              ; preds = %118, %116
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %10, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %11, align 4
  br label %202

129:                                              ; preds = %121
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.11)
          to label %131 unwind label %184

131:                                              ; preds = %129
  %132 = load i32, ptr %17, align 4, !tbaa !5
  %133 = sext i32 %132 to i64
  %134 = getelementptr inbounds [3 x %"class.std::__cxx11::basic_string"], ptr %7, i64 0, i64 %133
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %130, ptr noundef nonnull align 8 dereferenceable(32) %134)
          to label %136 unwind label %184

136:                                              ; preds = %131
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %135, ptr noundef @.str.4)
          to label %138 unwind label %184

138:                                              ; preds = %136
  %139 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %137, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %140 unwind label %184

140:                                              ; preds = %138
  %141 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %142 unwind label %184

142:                                              ; preds = %140
  %143 = load i32, ptr %6, align 4, !tbaa !5
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %141, i32 noundef %143)
          to label %145 unwind label %184

145:                                              ; preds = %142
  %146 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %144, ptr noundef @.str.6)
          to label %147 unwind label %184

147:                                              ; preds = %145
  %148 = load i32, ptr @num_items, align 4, !tbaa !5
  %149 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %146, i32 noundef %148)
          to label %150 unwind label %184

150:                                              ; preds = %147
  %151 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %149, ptr noundef @.str.7)
          to label %152 unwind label %184

152:                                              ; preds = %150
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %151, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %154 unwind label %184

154:                                              ; preds = %152
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %155 = load i32, ptr %17, align 4, !tbaa !5
  %156 = load i32, ptr %6, align 4, !tbaa !5
  %157 = invoke noundef i32 @_Z13testMergeSortii(i32 noundef %155, i32 noundef %156)
          to label %158 unwind label %188

158:                                              ; preds = %154
  store i32 %157, ptr %18, align 4, !tbaa !5
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.12)
          to label %160 unwind label %188

160:                                              ; preds = %158
  %161 = load i32, ptr %18, align 4, !tbaa !5
  %162 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %159, i32 noundef %161)
          to label %163 unwind label %188

163:                                              ; preds = %160
  %164 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %162, ptr noundef @.str.9)
          to label %165 unwind label %188

165:                                              ; preds = %163
  %166 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %164, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %167 unwind label %188

167:                                              ; preds = %165
  %168 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.13)
          to label %169 unwind label %188

169:                                              ; preds = %167
  %170 = load i32, ptr %18, align 4, !tbaa !5
  %171 = load i32, ptr %6, align 4, !tbaa !5
  %172 = sdiv i32 %170, %171
  %173 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %168, i32 noundef %172)
          to label %174 unwind label %188

174:                                              ; preds = %169
  %175 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %173, ptr noundef @.str.9)
          to label %176 unwind label %188

176:                                              ; preds = %174
  %177 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %175, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %178 unwind label %188

178:                                              ; preds = %176
  %179 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %180 unwind label %188

180:                                              ; preds = %178
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %181

181:                                              ; preds = %180
  %182 = load i32, ptr %17, align 4, !tbaa !5
  %183 = add nsw i32 %182, 1
  store i32 %183, ptr %17, align 4, !tbaa !5
  br label %121, !llvm.loop !13

184:                                              ; preds = %152, %150, %147, %145, %142, %140, %138, %136, %131, %129
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %10, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %11, align 4
  br label %192

188:                                              ; preds = %178, %176, %174, %169, %167, %165, %163, %160, %158, %154
  %189 = landingpad { ptr, i32 }
          cleanup
  %190 = extractvalue { ptr, i32 } %189, 0
  store ptr %190, ptr %10, align 8
  %191 = extractvalue { ptr, i32 } %189, 1
  store i32 %191, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %192

192:                                              ; preds = %188, %184
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %202

193:                                              ; preds = %124
  store i32 0, ptr %3, align 4
  %194 = getelementptr inbounds [3 x %"class.std::__cxx11::basic_string"], ptr %7, i32 0, i32 0
  %195 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %194, i64 3
  br label %196

196:                                              ; preds = %196, %193
  %197 = phi ptr [ %195, %193 ], [ %198, %196 ]
  %198 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %197, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %198) #6
  %199 = icmp eq ptr %198, %194
  br i1 %199, label %200, label %196

200:                                              ; preds = %196
  call void @llvm.lifetime.end.p0(i64 96, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  %201 = load i32, ptr %3, align 4
  ret i32 %201

202:                                              ; preds = %192, %125, %115
  %203 = getelementptr inbounds [3 x %"class.std::__cxx11::basic_string"], ptr %7, i32 0, i32 0
  %204 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %203, i64 3
  br label %205

205:                                              ; preds = %205, %202
  %206 = phi ptr [ %204, %202 ], [ %207, %205 ]
  %207 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %206, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %207) #6
  %208 = icmp eq ptr %207, %203
  br i1 %208, label %209, label %205

209:                                              ; preds = %205
  br label %210

210:                                              ; preds = %209, %51
  call void @llvm.lifetime.end.p0(i64 96, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %211

211:                                              ; preds = %210
  %212 = load ptr, ptr %10, align 8
  %213 = load i32, ptr %11, align 4
  %214 = insertvalue { ptr, i32 } poison, ptr %212, 0
  %215 = insertvalue { ptr, i32 } %214, i32 %213, 1
  resume { ptr, i32 } %215
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13testShiftSortii(i32 noundef, i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13testMergeSortii(i32 noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 = { 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 = { 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 #5 = { "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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@num_items = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca [3 x %"class.std::__cxx11::basic_string"], align 16
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator", align 1
  store i32 1000000, ptr @num_items, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %7 unwind label %.thread

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %3, i64 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %9 unwind label %14

9:                                                ; preds = %7
  %10 = getelementptr inbounds i8, ptr %3, i64 64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %11 unwind label %16

11:                                               ; preds = %9
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %23 unwind label %149

.thread:                                          ; preds = %2
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %.loopexit

14:                                               ; preds = %7
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %18

16:                                               ; preds = %9
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  br label %18

18:                                               ; preds = %14, %16
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %15, %14 ]
  %.023 = phi ptr [ %10, %16 ], [ %8, %14 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %19

19:                                               ; preds = %18, %19
  %20 = phi ptr [ %21, %19 ], [ %.023, %18 ]
  %21 = getelementptr inbounds i8, ptr %20, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  %22 = icmp eq ptr %21, %3
  br i1 %22, label %.loopexit, label %19

23:                                               ; preds = %11
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %25 unwind label %149

25:                                               ; preds = %23
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str.4)
          to label %27 unwind label %149

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %29 unwind label %149

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %31 unwind label %149

31:                                               ; preds = %29
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %30, i32 noundef 10)
          to label %33 unwind label %149

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef nonnull @.str.6)
          to label %35 unwind label %149

35:                                               ; preds = %33
  %36 = load i32, ptr @num_items, align 4, !tbaa !5
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %34, i32 noundef %36)
          to label %38 unwind label %149

38:                                               ; preds = %35
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @.str.7)
          to label %40 unwind label %149

40:                                               ; preds = %38
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %42 unwind label %149

42:                                               ; preds = %40
  %43 = invoke noundef i32 @_Z13testShiftSortii(i32 noundef 0, i32 noundef 10)
          to label %44 unwind label %151

44:                                               ; preds = %42
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.8)
          to label %46 unwind label %151

46:                                               ; preds = %44
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %45, i32 noundef %43)
          to label %48 unwind label %151

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @.str.9)
          to label %50 unwind label %151

50:                                               ; preds = %48
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %52 unwind label %151

52:                                               ; preds = %50
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.10)
          to label %54 unwind label %151

54:                                               ; preds = %52
  %55 = sdiv i32 %43, 10
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %53, i32 noundef %55)
          to label %57 unwind label %151

57:                                               ; preds = %54
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @.str.9)
          to label %59 unwind label %151

59:                                               ; preds = %57
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %151

61:                                               ; preds = %59
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %151

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %65 unwind label %149

65:                                               ; preds = %63
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %64, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %67 unwind label %149

67:                                               ; preds = %65
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %66, ptr noundef nonnull @.str.4)
          to label %69 unwind label %149

69:                                               ; preds = %67
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %71 unwind label %149

71:                                               ; preds = %69
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %73 unwind label %149

73:                                               ; preds = %71
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %72, i32 noundef 10)
          to label %75 unwind label %149

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef nonnull @.str.6)
          to label %77 unwind label %149

77:                                               ; preds = %75
  %78 = load i32, ptr @num_items, align 4, !tbaa !5
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %76, i32 noundef %78)
          to label %80 unwind label %149

80:                                               ; preds = %77
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %79, ptr noundef nonnull @.str.7)
          to label %82 unwind label %149

82:                                               ; preds = %80
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %149

84:                                               ; preds = %82
  %85 = invoke noundef i32 @_Z13testShiftSortii(i32 noundef 1, i32 noundef 10)
          to label %86 unwind label %151

86:                                               ; preds = %84
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.8)
          to label %88 unwind label %151

88:                                               ; preds = %86
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %87, i32 noundef %85)
          to label %90 unwind label %151

90:                                               ; preds = %88
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef nonnull @.str.9)
          to label %92 unwind label %151

92:                                               ; preds = %90
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %94 unwind label %151

94:                                               ; preds = %92
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.10)
          to label %96 unwind label %151

96:                                               ; preds = %94
  %97 = sdiv i32 %85, 10
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %95, i32 noundef %97)
          to label %99 unwind label %151

99:                                               ; preds = %96
  %100 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %98, ptr noundef nonnull @.str.9)
          to label %101 unwind label %151

101:                                              ; preds = %99
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %100, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %103 unwind label %151

103:                                              ; preds = %101
  %104 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %105 unwind label %151

105:                                              ; preds = %103
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %107 unwind label %149

107:                                              ; preds = %105
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %109 unwind label %149

109:                                              ; preds = %107
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %108, ptr noundef nonnull @.str.4)
          to label %111 unwind label %149

111:                                              ; preds = %109
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %113 unwind label %149

113:                                              ; preds = %111
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %115 unwind label %149

115:                                              ; preds = %113
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %114, i32 noundef 10)
          to label %117 unwind label %149

117:                                              ; preds = %115
  %118 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %116, ptr noundef nonnull @.str.6)
          to label %119 unwind label %149

119:                                              ; preds = %117
  %120 = load i32, ptr @num_items, align 4, !tbaa !5
  %121 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %118, i32 noundef %120)
          to label %122 unwind label %149

122:                                              ; preds = %119
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %121, ptr noundef nonnull @.str.7)
          to label %124 unwind label %149

124:                                              ; preds = %122
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %126 unwind label %149

126:                                              ; preds = %124
  %127 = invoke noundef i32 @_Z13testShiftSortii(i32 noundef 2, i32 noundef 10)
          to label %128 unwind label %151

128:                                              ; preds = %126
  %129 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.8)
          to label %130 unwind label %151

130:                                              ; preds = %128
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %129, i32 noundef %127)
          to label %132 unwind label %151

132:                                              ; preds = %130
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %131, ptr noundef nonnull @.str.9)
          to label %134 unwind label %151

134:                                              ; preds = %132
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %133, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %136 unwind label %151

136:                                              ; preds = %134
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.10)
          to label %138 unwind label %151

138:                                              ; preds = %136
  %139 = sdiv i32 %127, 10
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %137, i32 noundef %139)
          to label %141 unwind label %151

141:                                              ; preds = %138
  %142 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %140, ptr noundef nonnull @.str.9)
          to label %143 unwind label %151

143:                                              ; preds = %141
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %142, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %145 unwind label %151

145:                                              ; preds = %143
  %146 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %147 unwind label %151

147:                                              ; preds = %145
  %148 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %153 unwind label %156

149:                                              ; preds = %124, %122, %119, %117, %115, %113, %111, %109, %107, %105, %82, %80, %77, %75, %73, %71, %69, %67, %65, %63, %40, %38, %35, %33, %31, %29, %27, %25, %23, %11
  %150 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.loopexit

151:                                              ; preds = %145, %143, %141, %138, %136, %134, %132, %130, %128, %126, %103, %101, %99, %96, %94, %92, %90, %88, %86, %84, %61, %59, %57, %54, %52, %50, %48, %46, %44, %42
  %152 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.loopexit

153:                                              ; preds = %147
  %154 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %148, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.preheader unwind label %156

.preheader.preheader:                             ; preds = %153
  %155 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.11)
          to label %158 unwind label %283

156:                                              ; preds = %153, %147
  %157 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.loopexit

158:                                              ; preds = %.preheader.preheader
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %155, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %160 unwind label %283

160:                                              ; preds = %158
  %161 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %159, ptr noundef nonnull @.str.4)
          to label %162 unwind label %283

162:                                              ; preds = %160
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %161, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %164 unwind label %283

164:                                              ; preds = %162
  %165 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %166 unwind label %283

166:                                              ; preds = %164
  %167 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %165, i32 noundef 10)
          to label %168 unwind label %283

168:                                              ; preds = %166
  %169 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %167, ptr noundef nonnull @.str.6)
          to label %170 unwind label %283

170:                                              ; preds = %168
  %171 = load i32, ptr @num_items, align 4, !tbaa !5
  %172 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %169, i32 noundef %171)
          to label %173 unwind label %283

173:                                              ; preds = %170
  %174 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %172, ptr noundef nonnull @.str.7)
          to label %175 unwind label %283

175:                                              ; preds = %173
  %176 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %174, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %177 unwind label %283

177:                                              ; preds = %175
  %178 = invoke noundef i32 @_Z13testMergeSortii(i32 noundef 0, i32 noundef 10)
          to label %179 unwind label %285

179:                                              ; preds = %177
  %180 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.12)
          to label %181 unwind label %285

181:                                              ; preds = %179
  %182 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %180, i32 noundef %178)
          to label %183 unwind label %285

183:                                              ; preds = %181
  %184 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %182, ptr noundef nonnull @.str.9)
          to label %185 unwind label %285

185:                                              ; preds = %183
  %186 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %184, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %187 unwind label %285

187:                                              ; preds = %185
  %188 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.13)
          to label %189 unwind label %285

189:                                              ; preds = %187
  %190 = sdiv i32 %178, 10
  %191 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %188, i32 noundef %190)
          to label %192 unwind label %285

192:                                              ; preds = %189
  %193 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %191, ptr noundef nonnull @.str.9)
          to label %194 unwind label %285

194:                                              ; preds = %192
  %195 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %193, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %196 unwind label %285

196:                                              ; preds = %194
  %197 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.1 unwind label %285

.preheader.1:                                     ; preds = %196
  %198 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.11)
          to label %199 unwind label %283

199:                                              ; preds = %.preheader.1
  %200 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %198, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %201 unwind label %283

201:                                              ; preds = %199
  %202 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %200, ptr noundef nonnull @.str.4)
          to label %203 unwind label %283

203:                                              ; preds = %201
  %204 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %202, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %205 unwind label %283

205:                                              ; preds = %203
  %206 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %207 unwind label %283

207:                                              ; preds = %205
  %208 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %206, i32 noundef 10)
          to label %209 unwind label %283

209:                                              ; preds = %207
  %210 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %208, ptr noundef nonnull @.str.6)
          to label %211 unwind label %283

211:                                              ; preds = %209
  %212 = load i32, ptr @num_items, align 4, !tbaa !5
  %213 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %210, i32 noundef %212)
          to label %214 unwind label %283

214:                                              ; preds = %211
  %215 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %213, ptr noundef nonnull @.str.7)
          to label %216 unwind label %283

216:                                              ; preds = %214
  %217 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %215, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %218 unwind label %283

218:                                              ; preds = %216
  %219 = invoke noundef i32 @_Z13testMergeSortii(i32 noundef 1, i32 noundef 10)
          to label %220 unwind label %285

220:                                              ; preds = %218
  %221 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.12)
          to label %222 unwind label %285

222:                                              ; preds = %220
  %223 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %221, i32 noundef %219)
          to label %224 unwind label %285

224:                                              ; preds = %222
  %225 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %223, ptr noundef nonnull @.str.9)
          to label %226 unwind label %285

226:                                              ; preds = %224
  %227 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %225, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %228 unwind label %285

228:                                              ; preds = %226
  %229 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.13)
          to label %230 unwind label %285

230:                                              ; preds = %228
  %231 = sdiv i32 %219, 10
  %232 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %229, i32 noundef %231)
          to label %233 unwind label %285

233:                                              ; preds = %230
  %234 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %232, ptr noundef nonnull @.str.9)
          to label %235 unwind label %285

235:                                              ; preds = %233
  %236 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %234, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %237 unwind label %285

237:                                              ; preds = %235
  %238 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.2 unwind label %285

.preheader.2:                                     ; preds = %237
  %239 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.11)
          to label %240 unwind label %283

240:                                              ; preds = %.preheader.2
  %241 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %239, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %242 unwind label %283

242:                                              ; preds = %240
  %243 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %241, ptr noundef nonnull @.str.4)
          to label %244 unwind label %283

244:                                              ; preds = %242
  %245 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %243, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %246 unwind label %283

246:                                              ; preds = %244
  %247 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %248 unwind label %283

248:                                              ; preds = %246
  %249 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %247, i32 noundef 10)
          to label %250 unwind label %283

250:                                              ; preds = %248
  %251 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %249, ptr noundef nonnull @.str.6)
          to label %252 unwind label %283

252:                                              ; preds = %250
  %253 = load i32, ptr @num_items, align 4, !tbaa !5
  %254 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %251, i32 noundef %253)
          to label %255 unwind label %283

255:                                              ; preds = %252
  %256 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %254, ptr noundef nonnull @.str.7)
          to label %257 unwind label %283

257:                                              ; preds = %255
  %258 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %256, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %259 unwind label %283

259:                                              ; preds = %257
  %260 = invoke noundef i32 @_Z13testMergeSortii(i32 noundef 2, i32 noundef 10)
          to label %261 unwind label %285

261:                                              ; preds = %259
  %262 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.12)
          to label %263 unwind label %285

263:                                              ; preds = %261
  %264 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %262, i32 noundef %260)
          to label %265 unwind label %285

265:                                              ; preds = %263
  %266 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %264, ptr noundef nonnull @.str.9)
          to label %267 unwind label %285

267:                                              ; preds = %265
  %268 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %266, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %269 unwind label %285

269:                                              ; preds = %267
  %270 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.13)
          to label %271 unwind label %285

271:                                              ; preds = %269
  %272 = sdiv i32 %260, 10
  %273 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %270, i32 noundef %272)
          to label %274 unwind label %285

274:                                              ; preds = %271
  %275 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %273, ptr noundef nonnull @.str.9)
          to label %276 unwind label %285

276:                                              ; preds = %274
  %277 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %275, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %278 unwind label %285

278:                                              ; preds = %276
  %279 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %280 unwind label %285

280:                                              ; preds = %278
  %281 = getelementptr inbounds i8, ptr %3, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %281) #6
  %282 = getelementptr inbounds i8, ptr %3, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %282) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  ret i32 0

283:                                              ; preds = %257, %255, %252, %250, %248, %246, %244, %242, %240, %.preheader.2, %216, %214, %211, %209, %207, %205, %203, %201, %199, %.preheader.1, %175, %173, %170, %168, %166, %164, %162, %160, %158, %.preheader.preheader
  %284 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.loopexit

285:                                              ; preds = %278, %276, %274, %271, %269, %267, %265, %263, %261, %259, %237, %235, %233, %230, %228, %226, %224, %222, %220, %218, %196, %194, %192, %189, %187, %185, %183, %181, %179, %177
  %286 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.loopexit

.loopexit.loopexit:                               ; preds = %283, %285, %149, %151, %156
  %.pn38.pn = phi { ptr, i32 } [ %157, %156 ], [ %152, %151 ], [ %150, %149 ], [ %286, %285 ], [ %284, %283 ]
  %287 = getelementptr inbounds i8, ptr %3, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %287) #6
  %288 = getelementptr inbounds i8, ptr %3, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %288) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  br label %.loopexit

.loopexit:                                        ; preds = %19, %.loopexit.loopexit, %.thread
  %.pn38.pn.pn = phi { ptr, i32 } [ %13, %.thread ], [ %.pn38.pn, %.loopexit.loopexit ], [ %.pn, %19 ]
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  resume { ptr, i32 } %.pn38.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13testShiftSortii(i32 noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13testMergeSortii(i32 noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 = { 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 = { 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 #5 = { "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 = { 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"}


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