; LLVM IR from codeIIEST/Algorithms :: Competitive Coding/Strings/String Search (Knuth-Morris-Pratt_Algorithm)

; 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::__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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %32

13:                                               ; preds = %0
  %14 = 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 %15 unwind label %32

15:                                               ; preds = %13
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %17 unwind label %32

17:                                               ; preds = %15
  %18 = 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 %19 unwind label %32

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  %21 = trunc i64 %20 to i32
  store i32 %21, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  %23 = trunc i64 %22 to i32
  store i32 %23, ptr %7, align 4, !tbaa !5
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = load i32, ptr %7, align 4, !tbaa !5
  %26 = icmp sgt i32 %24, %25
  br i1 %26, label %27, label %40

27:                                               ; preds = %19
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %29 unwind label %36

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %31 unwind label %36

31:                                               ; preds = %29
  call void @exit(i32 noundef 0) #9
  unreachable

32:                                               ; preds = %17, %15, %13, %0
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %4, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %5, align 4
  br label %190

36:                                               ; preds = %29, %27
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %4, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %5, align 4
  br label %189

40:                                               ; preds = %19
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = zext i32 %41 to i64
  %43 = call ptr @llvm.stacksave.p0()
  store ptr %43, ptr %8, align 8
  %44 = alloca i32, i64 %42, align 16
  store i64 %42, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 1, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 0, ptr %11, align 4, !tbaa !5
  %45 = getelementptr inbounds i32, ptr %44, i64 0
  store i32 0, ptr %45, align 16, !tbaa !5
  br label %46

46:                                               ; preds = %108, %40
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = load i32, ptr %6, align 4, !tbaa !5
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %50, label %109

50:                                               ; preds = %46
  %51 = load i32, ptr %10, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %52)
          to label %54 unwind label %74

54:                                               ; preds = %50
  %55 = load i8, ptr %53, align 1, !tbaa !9
  %56 = sext i8 %55 to i32
  %57 = load i32, ptr %11, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %58)
          to label %60 unwind label %74

60:                                               ; preds = %54
  %61 = load i8, ptr %59, align 1, !tbaa !9
  %62 = sext i8 %61 to i32
  %63 = icmp eq i32 %56, %62
  br i1 %63, label %64, label %78

64:                                               ; preds = %60
  %65 = load i32, ptr %11, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  %67 = load i32, ptr %10, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds i32, ptr %44, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !5
  %70 = load i32, ptr %10, align 4, !tbaa !5
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %10, align 4, !tbaa !5
  %72 = load i32, ptr %11, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %11, align 4, !tbaa !5
  br label %108

74:                                               ; preds = %183, %181, %178, %173, %171, %143, %139, %124, %120, %82, %78, %54, %50
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %4, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %189

78:                                               ; preds = %60
  %79 = load i32, ptr %10, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %80)
          to label %82 unwind label %74

82:                                               ; preds = %78
  %83 = load i8, ptr %81, align 1, !tbaa !9
  %84 = sext i8 %83 to i32
  %85 = load i32, ptr %11, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %86)
          to label %88 unwind label %74

88:                                               ; preds = %82
  %89 = load i8, ptr %87, align 1, !tbaa !9
  %90 = sext i8 %89 to i32
  %91 = icmp ne i32 %84, %90
  br i1 %91, label %92, label %101

92:                                               ; preds = %88
  %93 = load i32, ptr %11, align 4, !tbaa !5
  %94 = icmp eq i32 %93, 0
  br i1 %94, label %95, label %101

95:                                               ; preds = %92
  %96 = load i32, ptr %10, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds i32, ptr %44, i64 %97
  store i32 0, ptr %98, align 4, !tbaa !5
  %99 = load i32, ptr %10, align 4, !tbaa !5
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %10, align 4, !tbaa !5
  br label %107

101:                                              ; preds = %92, %88
  %102 = load i32, ptr %11, align 4, !tbaa !5
  %103 = sub nsw i32 %102, 1
  %104 = sext i32 %103 to i64
  %105 = getelementptr inbounds i32, ptr %44, i64 %104
  %106 = load i32, ptr %105, align 4, !tbaa !5
  store i32 %106, ptr %11, align 4, !tbaa !5
  br label %107

107:                                              ; preds = %101, %95
  br label %108

108:                                              ; preds = %107, %64
  br label %46, !llvm.loop !10

109:                                              ; preds = %46
  store i32 0, ptr %10, align 4, !tbaa !5
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %110

110:                                              ; preds = %166, %109
  %111 = load i32, ptr %11, align 4, !tbaa !5
  %112 = load i32, ptr %6, align 4, !tbaa !5
  %113 = icmp slt i32 %111, %112
  br i1 %113, label %114, label %118

114:                                              ; preds = %110
  %115 = load i32, ptr %10, align 4, !tbaa !5
  %116 = load i32, ptr %7, align 4, !tbaa !5
  %117 = icmp slt i32 %115, %116
  br label %118

118:                                              ; preds = %114, %110
  %119 = phi i1 [ false, %110 ], [ %117, %114 ]
  br i1 %119, label %120, label %167

120:                                              ; preds = %118
  %121 = load i32, ptr %11, align 4, !tbaa !5
  %122 = sext i32 %121 to i64
  %123 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %122)
          to label %124 unwind label %74

124:                                              ; preds = %120
  %125 = load i8, ptr %123, align 1, !tbaa !9
  %126 = sext i8 %125 to i32
  %127 = load i32, ptr %10, align 4, !tbaa !5
  %128 = sext i32 %127 to i64
  %129 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %128)
          to label %130 unwind label %74

130:                                              ; preds = %124
  %131 = load i8, ptr %129, align 1, !tbaa !9
  %132 = sext i8 %131 to i32
  %133 = icmp eq i32 %126, %132
  br i1 %133, label %134, label %139

134:                                              ; preds = %130
  %135 = load i32, ptr %11, align 4, !tbaa !5
  %136 = add nsw i32 %135, 1
  store i32 %136, ptr %11, align 4, !tbaa !5
  %137 = load i32, ptr %10, align 4, !tbaa !5
  %138 = add nsw i32 %137, 1
  store i32 %138, ptr %10, align 4, !tbaa !5
  br label %166

139:                                              ; preds = %130
  %140 = load i32, ptr %11, align 4, !tbaa !5
  %141 = sext i32 %140 to i64
  %142 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %141)
          to label %143 unwind label %74

143:                                              ; preds = %139
  %144 = load i8, ptr %142, align 1, !tbaa !9
  %145 = sext i8 %144 to i32
  %146 = load i32, ptr %10, align 4, !tbaa !5
  %147 = sext i32 %146 to i64
  %148 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %147)
          to label %149 unwind label %74

149:                                              ; preds = %143
  %150 = load i8, ptr %148, align 1, !tbaa !9
  %151 = sext i8 %150 to i32
  %152 = icmp ne i32 %145, %151
  br i1 %152, label %153, label %159

153:                                              ; preds = %149
  %154 = load i32, ptr %11, align 4, !tbaa !5
  %155 = icmp eq i32 %154, 0
  br i1 %155, label %156, label %159

156:                                              ; preds = %153
  %157 = load i32, ptr %10, align 4, !tbaa !5
  %158 = add nsw i32 %157, 1
  store i32 %158, ptr %10, align 4, !tbaa !5
  br label %165

159:                                              ; preds = %153, %149
  %160 = load i32, ptr %11, align 4, !tbaa !5
  %161 = sub nsw i32 %160, 1
  %162 = sext i32 %161 to i64
  %163 = getelementptr inbounds i32, ptr %44, i64 %162
  %164 = load i32, ptr %163, align 4, !tbaa !5
  store i32 %164, ptr %11, align 4, !tbaa !5
  br label %165

165:                                              ; preds = %159, %156
  br label %166

166:                                              ; preds = %165, %134
  br label %110, !llvm.loop !12

167:                                              ; preds = %118
  %168 = load i32, ptr %11, align 4, !tbaa !5
  %169 = load i32, ptr %6, align 4, !tbaa !5
  %170 = icmp eq i32 %168, %169
  br i1 %170, label %171, label %181

171:                                              ; preds = %167
  %172 = 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 %173 unwind label %74

173:                                              ; preds = %171
  %174 = load i32, ptr %10, align 4, !tbaa !5
  %175 = load i32, ptr %6, align 4, !tbaa !5
  %176 = sub nsw i32 %174, %175
  %177 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %172, i32 noundef %176)
          to label %178 unwind label %74

178:                                              ; preds = %173
  %179 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %177, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %180 unwind label %74

180:                                              ; preds = %178
  br label %186

181:                                              ; preds = %167
  %182 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %183 unwind label %74

183:                                              ; preds = %181
  %184 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %182, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %185 unwind label %74

185:                                              ; preds = %183
  br label %186

186:                                              ; preds = %185, %180
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  %187 = load ptr, ptr %8, align 8
  call void @llvm.stackrestore.p0(ptr %187)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #8
  %188 = load i32, ptr %1, align 4
  ret i32 %188

189:                                              ; preds = %74, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %190

190:                                              ; preds = %189, %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #8
  br label %191

191:                                              ; preds = %190
  %192 = load ptr, ptr %4, align 8
  %193 = load i32, ptr %5, align 4
  %194 = insertvalue { ptr, i32 } poison, ptr %192, 0
  %195 = insertvalue { ptr, i32 } %194, i32 %193, 1
  resume { ptr, i32 } %195
}

; 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #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) #5

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #6

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #7

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #7

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { noreturn 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 #7 = { nocallback nofree nosync nounwind willreturn }
attributes #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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::__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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  %3 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %4 unwind label %21

4:                                                ; preds = %0
  %5 = 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 %6 unwind label %21

6:                                                ; preds = %4
  %7 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %8 unwind label %21

8:                                                ; preds = %6
  %9 = 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 %10 unwind label %21

10:                                               ; preds = %8
  %11 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  %12 = trunc i64 %11 to i32
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  %14 = trunc i64 %13 to i32
  %15 = icmp sgt i32 %12, %14
  br i1 %15, label %16, label %25

16:                                               ; preds = %10
  %17 = 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)
          to label %18 unwind label %23

18:                                               ; preds = %16
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %20 unwind label %23

20:                                               ; preds = %18
  call void @exit(i32 noundef 0) #9
  unreachable

21:                                               ; preds = %8, %6, %4, %0
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %96

23:                                               ; preds = %18, %16
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %96

25:                                               ; preds = %10
  %26 = and i64 %11, 4294967295
  %27 = call ptr @llvm.stacksave.p0()
  %28 = alloca i32, i64 %26, align 16
  store i32 0, ptr %28, align 16, !tbaa !5
  %invariant.gep = getelementptr i8, ptr %28, i64 -4
  %29 = icmp sgt i32 %12, 1
  br i1 %29, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %58, %25
  %30 = icmp sgt i32 %12, 0
  %31 = icmp sgt i32 %14, 0
  %32 = and i1 %30, %31
  br i1 %32, label %.lr.ph58, label %._crit_edge

.lr.ph:                                           ; preds = %25, %58
  %.053 = phi i32 [ %.1, %58 ], [ 0, %25 ]
  %.04052 = phi i32 [ %.141, %58 ], [ 1, %25 ]
  %33 = sext i32 %.04052 to i64
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %33)
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i32 %.053 to i64
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %36)
  %38 = load i8, ptr %37, align 1, !tbaa !9
  %39 = icmp eq i8 %35, %38
  br i1 %39, label %40, label %46

40:                                               ; preds = %.lr.ph
  %41 = add nsw i32 %.053, 1
  %42 = getelementptr inbounds i32, ptr %28, i64 %33
  store i32 %41, ptr %42, align 4, !tbaa !5
  %43 = add nsw i32 %.04052, 1
  br label %58

44:                                               ; preds = %.invoke, %91, %88, %86
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %96

46:                                               ; preds = %.lr.ph
  %47 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %33)
  %48 = load i8, ptr %47, align 1, !tbaa !9
  %49 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %36)
  %50 = load i8, ptr %49, align 1, !tbaa !9
  %51 = icmp ne i8 %48, %50
  %52 = icmp eq i32 %.053, 0
  %or.cond = select i1 %51, i1 %52, i1 false
  br i1 %or.cond, label %53, label %56

53:                                               ; preds = %46
  %54 = getelementptr inbounds i32, ptr %28, i64 %33
  store i32 0, ptr %54, align 4, !tbaa !5
  %55 = add nsw i32 %.04052, 1
  br label %58

56:                                               ; preds = %46
  %gep = getelementptr i32, ptr %invariant.gep, i64 %36
  %57 = load i32, ptr %gep, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %53, %56, %40
  %.141 = phi i32 [ %43, %40 ], [ %55, %53 ], [ %.04052, %56 ]
  %.1 = phi i32 [ %41, %40 ], [ 0, %53 ], [ %57, %56 ]
  %59 = icmp slt i32 %.141, %12
  br i1 %59, label %.lr.ph, label %.preheader, !llvm.loop !10

.lr.ph58:                                         ; preds = %.preheader, %81
  %.257 = phi i32 [ %.3, %81 ], [ 0, %.preheader ]
  %.24256 = phi i32 [ %.343, %81 ], [ 0, %.preheader ]
  %60 = sext i32 %.257 to i64
  %61 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %60)
  %62 = load i8, ptr %61, align 1, !tbaa !9
  %63 = sext i32 %.24256 to i64
  %64 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %63)
  %65 = load i8, ptr %64, align 1, !tbaa !9
  %66 = icmp eq i8 %62, %65
  br i1 %66, label %67, label %70

67:                                               ; preds = %.lr.ph58
  %68 = add nsw i32 %.257, 1
  %69 = add nsw i32 %.24256, 1
  br label %81

70:                                               ; preds = %.lr.ph58
  %71 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %60)
  %72 = load i8, ptr %71, align 1, !tbaa !9
  %73 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %63)
  %74 = load i8, ptr %73, align 1, !tbaa !9
  %75 = icmp ne i8 %72, %74
  %76 = icmp eq i32 %.257, 0
  %or.cond3 = and i1 %76, %75
  br i1 %or.cond3, label %77, label %79

77:                                               ; preds = %70
  %78 = add nsw i32 %.24256, 1
  br label %81

79:                                               ; preds = %70
  %gep55 = getelementptr i32, ptr %invariant.gep, i64 %60
  %80 = load i32, ptr %gep55, align 4, !tbaa !5
  br label %81

81:                                               ; preds = %77, %79, %67
  %.343 = phi i32 [ %69, %67 ], [ %78, %77 ], [ %.24256, %79 ]
  %.3 = phi i32 [ %68, %67 ], [ 0, %77 ], [ %80, %79 ]
  %82 = icmp slt i32 %.3, %12
  %83 = icmp slt i32 %.343, %14
  %84 = select i1 %82, i1 %83, i1 false
  br i1 %84, label %.lr.ph58, label %._crit_edge, !llvm.loop !12

._crit_edge:                                      ; preds = %81, %.preheader
  %.242.lcssa = phi i32 [ 0, %.preheader ], [ %.343, %81 ]
  %.2.lcssa = phi i32 [ 0, %.preheader ], [ %.3, %81 ]
  %85 = icmp eq i32 %.2.lcssa, %12
  br i1 %85, label %86, label %91

86:                                               ; preds = %._crit_edge
  %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.1)
          to label %88 unwind label %44

88:                                               ; preds = %86
  %89 = sub nsw i32 %.242.lcssa, %12
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %87, i32 noundef %89)
          to label %.invoke unwind label %44

91:                                               ; preds = %._crit_edge
  %92 = 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)
          to label %.invoke unwind label %44

.invoke:                                          ; preds = %91, %88
  %93 = phi ptr [ %90, %88 ], [ %92, %91 ]
  %94 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %93, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %95 unwind label %44

95:                                               ; preds = %.invoke
  call void @llvm.stackrestore.p0(ptr %27)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #8
  ret i32 0

96:                                               ; preds = %23, %44, %21
  %.pn.pn = phi { ptr, i32 } [ %22, %21 ], [ %24, %23 ], [ %45, %44 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #8
  resume { ptr, i32 } %.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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; 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 #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_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 #5

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #7

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #7

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { noreturn 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 #7 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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