; LLVM IR from acm-clan/algorithm-stone :: user/codeforces/1607D.Blue-Red Permutation (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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@T = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@a = external dso_local global [200005 x i32], align 16
@s = external dso_local global [200005 x i8], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmpii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @T)
  br label %16

16:                                               ; preds = %163, %0
  br label %17

17:                                               ; preds = %165, %16
  %18 = load i32, ptr @T, align 4, !tbaa !5
  %19 = add nsw i32 %18, -1
  store i32 %19, ptr @T, align 4, !tbaa !5
  %20 = icmp ne i32 %18, 0
  br i1 %20, label %21, label %167

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %22 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
          to label %23 unwind label %29

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %39, %23
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = load i32, ptr @n, align 4, !tbaa !5
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %46

29:                                               ; preds = %160, %158, %88, %79, %46, %21
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  br label %166

33:                                               ; preds = %24
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [200005 x i32], ptr @a, i64 0, i64 %35
  %37 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %36)
          to label %38 unwind label %42

38:                                               ; preds = %33
  br label %39

39:                                               ; preds = %38
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %6, align 4, !tbaa !5
  br label %24, !llvm.loop !9

42:                                               ; preds = %33
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %4, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %166

46:                                               ; preds = %28
  %47 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef getelementptr inbounds (i8, ptr @s, i64 1))
          to label %48 unwind label %29

48:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %76, %48
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = load i32, ptr @n, align 4, !tbaa !5
  %52 = icmp sle i32 %50, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %79

54:                                               ; preds = %49
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [200005 x i8], ptr @s, i64 0, i64 %56
  %58 = load i8, ptr %57, align 1, !tbaa !11
  %59 = sext i8 %58 to i32
  %60 = icmp eq i32 %59, 66
  br i1 %60, label %61, label %70

61:                                               ; preds = %54
  %62 = load i32, ptr %7, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [200005 x i32], ptr @a, i64 0, i64 %63
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %64)
          to label %65 unwind label %66

65:                                               ; preds = %61
  br label %75

66:                                               ; preds = %70, %61
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %4, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %166

70:                                               ; preds = %54
  %71 = load i32, ptr %7, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [200005 x i32], ptr @a, i64 0, i64 %72
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %73)
          to label %74 unwind label %66

74:                                               ; preds = %70
  br label %75

75:                                               ; preds = %74, %65
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %7, align 4, !tbaa !5
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %7, align 4, !tbaa !5
  br label %49, !llvm.loop !12

79:                                               ; preds = %53
  %80 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %81 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %80, ptr %81, align 8
  %82 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %83 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  %84 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %85 = load ptr, ptr %84, align 8
  %86 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %87 = load ptr, ptr %86, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %85, ptr %87)
          to label %88 unwind label %29

88:                                               ; preds = %79
  %89 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %90 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %89, ptr %90, align 8
  %91 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  %93 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %94 = load ptr, ptr %93, align 8
  %95 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %96 = load ptr, ptr %95, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEPFbiiEEvT_S9_T0_(ptr %94, ptr %96, ptr noundef @_Z3cmpii)
          to label %97 unwind label %29

97:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %123, %97
  %99 = load i32, ptr %12, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %102 = icmp ult i64 %100, %101
  br i1 %102, label %104, label %103

103:                                              ; preds = %98
  store i32 11, ptr %13, align 4
  br label %126

104:                                              ; preds = %98
  %105 = load i32, ptr %12, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %106) #6
  %108 = load i32, ptr %107, align 4, !tbaa !5
  %109 = load i32, ptr @n, align 4, !tbaa !5
  %110 = load i32, ptr %12, align 4, !tbaa !5
  %111 = sub nsw i32 %109, %110
  %112 = icmp sgt i32 %108, %111
  br i1 %112, label %113, label %122

113:                                              ; preds = %104
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %115 unwind label %118

115:                                              ; preds = %113
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %117 unwind label %118

117:                                              ; preds = %115
  store i32 2, ptr %13, align 4
  br label %126

118:                                              ; preds = %115, %113
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %4, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %166

122:                                              ; preds = %104
  br label %123

123:                                              ; preds = %122
  %124 = load i32, ptr %12, align 4, !tbaa !5
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %12, align 4, !tbaa !5
  br label %98, !llvm.loop !13

126:                                              ; preds = %117, %103
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  %127 = load i32, ptr %13, align 4
  switch i32 %127, label %163 [
    i32 11, label %128
  ]

128:                                              ; preds = %126
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %129

129:                                              ; preds = %153, %128
  %130 = load i32, ptr %14, align 4, !tbaa !5
  %131 = sext i32 %130 to i64
  %132 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %133 = icmp ult i64 %131, %132
  br i1 %133, label %135, label %134

134:                                              ; preds = %129
  store i32 14, ptr %13, align 4
  br label %156

135:                                              ; preds = %129
  %136 = load i32, ptr %14, align 4, !tbaa !5
  %137 = sext i32 %136 to i64
  %138 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %137) #6
  %139 = load i32, ptr %138, align 4, !tbaa !5
  %140 = load i32, ptr %14, align 4, !tbaa !5
  %141 = add nsw i32 %140, 1
  %142 = icmp slt i32 %139, %141
  br i1 %142, label %143, label %152

143:                                              ; preds = %135
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %145 unwind label %148

145:                                              ; preds = %143
  %146 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %144, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %147 unwind label %148

147:                                              ; preds = %145
  store i32 2, ptr %13, align 4
  br label %156

148:                                              ; preds = %145, %143
  %149 = landingpad { ptr, i32 }
          cleanup
  %150 = extractvalue { ptr, i32 } %149, 0
  store ptr %150, ptr %4, align 8
  %151 = extractvalue { ptr, i32 } %149, 1
  store i32 %151, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %166

152:                                              ; preds = %135
  br label %153

153:                                              ; preds = %152
  %154 = load i32, ptr %14, align 4, !tbaa !5
  %155 = add nsw i32 %154, 1
  store i32 %155, ptr %14, align 4, !tbaa !5
  br label %129, !llvm.loop !14

156:                                              ; preds = %147, %134
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  %157 = load i32, ptr %13, align 4
  switch i32 %157, label %163 [
    i32 14, label %158
  ]

158:                                              ; preds = %156
  %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.2)
          to label %160 unwind label %29

160:                                              ; preds = %158
  %161 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %159, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %162 unwind label %29

162:                                              ; preds = %160
  store i32 0, ptr %13, align 4
  br label %163

163:                                              ; preds = %162, %156, %126
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  %164 = load i32, ptr %13, align 4
  switch i32 %164, label %173 [
    i32 0, label %165
    i32 2, label %16
  ]

165:                                              ; preds = %163
  br label %17, !llvm.loop !15

166:                                              ; preds = %148, %118, %66, %42, %29
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  br label %168

167:                                              ; preds = %17
  ret i32 0

168:                                              ; preds = %166
  %169 = load ptr, ptr %4, align 8
  %170 = load i32, ptr %5, align 4
  %171 = insertvalue { ptr, i32 } poison, ptr %169, 0
  %172 = insertvalue { ptr, i32 } %171, i32 %170, 1
  resume { ptr, i32 } %172

173:                                              ; preds = %163
  unreachable
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 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) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEPFbiiEEvT_S9_T0_(ptr, ptr, ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@T = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@a = external dso_local global [200005 x i32], align 16
@s = external dso_local global [200005 x i8], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmpii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @T)
  %4 = load i32, ptr @T, align 4, !tbaa !5
  %5 = add nsw i32 %4, -1
  store i32 %5, ptr @T, align 4, !tbaa !5
  %.not5762 = icmp eq i32 %4, 0
  br i1 %.not5762, label %._crit_edge60, label %.lr.ph59

.critedge:                                        ; preds = %61
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  %6 = load i32, ptr @T, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr @T, align 4, !tbaa !5
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge60, label %.lr.ph59.backedge

.lr.ph59.backedge:                                ; preds = %.critedge, %.thread
  br label %.lr.ph59

.lr.ph59:                                         ; preds = %0, %.lr.ph59.backedge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %.not3344 = icmp slt i32 %9, 1
  br i1 %.not3344, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph59
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef getelementptr inbounds (i8, ptr @s, i64 1))
          to label %.preheader43 unwind label %12

.preheader43:                                     ; preds = %._crit_edge
  %11 = load i32, ptr @n, align 4, !tbaa !5
  %.not3446 = icmp slt i32 %11, 1
  br i1 %.not3446, label %._crit_edge49, label %.lr.ph48

12:                                               ; preds = %61, %._crit_edge56, %30, %._crit_edge49, %._crit_edge
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %65

.lr.ph:                                           ; preds = %.lr.ph59, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %.lr.ph59 ]
  %14 = getelementptr inbounds [200005 x i32], ptr @a, i64 0, i64 %indvars.iv
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %14)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %.not33.not = icmp slt i64 %indvars.iv, %17
  br i1 %.not33.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge49:                                    ; preds = %27, %.preheader43
  %18 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %19 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %18, ptr %19)
          to label %30 unwind label %12

.lr.ph48:                                         ; preds = %.preheader43, %27
  %indvars.iv65 = phi i64 [ %indvars.iv.next66, %27 ], [ 1, %.preheader43 ]
  %20 = getelementptr inbounds [200005 x i8], ptr @s, i64 0, i64 %indvars.iv65
  %21 = load i8, ptr %20, align 1, !tbaa !11
  %22 = icmp eq i8 %21, 66
  %23 = getelementptr inbounds [200005 x i32], ptr @a, i64 0, i64 %indvars.iv65
  %24 = select i1 %22, ptr %1, ptr %2
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %27 unwind label %25

25:                                               ; preds = %.lr.ph48
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %65

27:                                               ; preds = %.lr.ph48
  %indvars.iv.next66 = add nuw nsw i64 %indvars.iv65, 1
  %28 = load i32, ptr @n, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %.not34.not = icmp slt i64 %indvars.iv65, %29
  br i1 %.not34.not, label %.lr.ph48, label %._crit_edge49, !llvm.loop !12

30:                                               ; preds = %._crit_edge49
  %31 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %32 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEPFbiiEEvT_S9_T0_(ptr %31, ptr %32, ptr noundef nonnull @_Z3cmpii)
          to label %.preheader42 unwind label %12

.preheader42:                                     ; preds = %30
  %33 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %.not3550.not = icmp eq i64 %33, 0
  br i1 %.not3550.not, label %.preheader, label %.lr.ph52

34:                                               ; preds = %.lr.ph52
  %indvars.iv.next69 = add nuw nsw i64 %indvars.iv68, 1
  %35 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %.not35 = icmp ugt i64 %35, %indvars.iv.next69
  br i1 %.not35, label %.lr.ph52, label %.preheader, !llvm.loop !13

.preheader:                                       ; preds = %34, %.preheader42
  %36 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %.not3753.not = icmp eq i64 %36, 0
  br i1 %.not3753.not, label %._crit_edge56, label %.lr.ph55

.lr.ph52:                                         ; preds = %.preheader42, %34
  %indvars.iv68 = phi i64 [ %indvars.iv.next69, %34 ], [ 0, %.preheader42 ]
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv68) #6
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr @n, align 4, !tbaa !5
  %40 = trunc nuw nsw i64 %indvars.iv68 to i32
  %41 = sub nsw i32 %39, %40
  %42 = icmp sgt i32 %38, %41
  br i1 %42, label %43, label %34

43:                                               ; preds = %.lr.ph52
  %44 = 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.1)
          to label %45 unwind label %47

45:                                               ; preds = %43
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.thread unwind label %47

47:                                               ; preds = %45, %43
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %65

49:                                               ; preds = %.lr.ph55
  %indvars.iv.next72 = add nuw nsw i64 %indvars.iv71, 1
  %50 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %.not37 = icmp ugt i64 %50, %indvars.iv.next72
  br i1 %.not37, label %.lr.ph55, label %._crit_edge56, !llvm.loop !14

.lr.ph55:                                         ; preds = %.preheader, %49
  %indvars.iv71 = phi i64 [ %indvars.iv.next72, %49 ], [ 0, %.preheader ]
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv71) #6
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %.not36 = icmp slt i64 %indvars.iv71, %53
  br i1 %.not36, label %49, label %54

54:                                               ; preds = %.lr.ph55
  %55 = 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.1)
          to label %56 unwind label %58

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.thread unwind label %58

58:                                               ; preds = %56, %54
  %59 = landingpad { ptr, i32 }
          cleanup
  br label %65

._crit_edge56:                                    ; preds = %49, %.preheader
  %60 = 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.2)
          to label %61 unwind label %12

61:                                               ; preds = %._crit_edge56
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.critedge unwind label %12

.thread:                                          ; preds = %56, %45
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  %63 = load i32, ptr @T, align 4, !tbaa !5
  %64 = add nsw i32 %63, -1
  store i32 %64, ptr @T, align 4, !tbaa !5
  %.not57 = icmp eq i32 %63, 0
  br i1 %.not57, label %._crit_edge60, label %.lr.ph59.backedge

65:                                               ; preds = %58, %47, %25, %12
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %13, %12 ], [ %59, %58 ], [ %48, %47 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn

._crit_edge60:                                    ; preds = %.thread, %.critedge, %0
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 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) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEPFbiiEEvT_S9_T0_(ptr, ptr, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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