; LLVM IR from xirc/cp-algorithm :: codeforces/638B (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::__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] }

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5validNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) #0

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

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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; 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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z10try_concatNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_RS4_(ptr noundef %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i8, align 1
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca ptr, align 8
  %21 = alloca i32, align 4
  %22 = alloca %"class.std::__cxx11::basic_string", align 8
  %23 = alloca %"class.std::__cxx11::basic_string", align 8
  %24 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #3
  store i8 0, ptr %10, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 0, ptr %11, align 4, !tbaa !11
  br label %25

25:                                               ; preds = %59, %3
  %26 = load i32, ptr %11, align 4, !tbaa !11
  %27 = sext i32 %26 to i64
  %28 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %29 = icmp ult i64 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %25
  store i32 2, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %62

31:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 0, ptr %13, align 4, !tbaa !11
  br label %32

32:                                               ; preds = %54, %31
  %33 = load i32, ptr %13, align 4, !tbaa !11
  %34 = sext i32 %33 to i64
  %35 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %36 = icmp ult i64 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %32
  store i32 5, ptr %12, align 4
  br label %57

38:                                               ; preds = %32
  %39 = load i32, ptr %11, align 4, !tbaa !11
  %40 = sext i32 %39 to i64
  %41 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %40)
  %42 = load i8, ptr %41, align 1, !tbaa !13
  %43 = sext i8 %42 to i32
  %44 = load i32, ptr %13, align 4, !tbaa !11
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %45)
  %47 = load i8, ptr %46, align 1, !tbaa !13
  %48 = sext i8 %47 to i32
  %49 = icmp ne i32 %43, %48
  br i1 %49, label %50, label %51

50:                                               ; preds = %38
  br label %54

51:                                               ; preds = %38
  %52 = load i32, ptr %11, align 4, !tbaa !11
  store i32 %52, ptr %8, align 4, !tbaa !11
  %53 = load i32, ptr %13, align 4, !tbaa !11
  store i32 %53, ptr %9, align 4, !tbaa !11
  store i8 1, ptr %10, align 1, !tbaa !9
  store i32 5, ptr %12, align 4
  br label %57

54:                                               ; preds = %50
  %55 = load i32, ptr %13, align 4, !tbaa !11
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %13, align 4, !tbaa !11
  br label %32, !llvm.loop !14

57:                                               ; preds = %51, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %58

58:                                               ; preds = %57
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %11, align 4, !tbaa !11
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %11, align 4, !tbaa !11
  br label %25, !llvm.loop !16

62:                                               ; preds = %30
  %63 = load i8, ptr %10, align 1, !tbaa !9, !range !17, !noundef !18
  %64 = trunc i8 %63 to i1
  br i1 %64, label %66, label %65

65:                                               ; preds = %62
  store i1 false, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %205

66:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #3
  store i8 1, ptr %16, align 1, !tbaa !9
  %67 = load i32, ptr %8, align 4, !tbaa !11
  store i32 %67, ptr %14, align 4, !tbaa !11
  %68 = load i32, ptr %9, align 4, !tbaa !11
  store i32 %68, ptr %15, align 4, !tbaa !11
  br label %69

69:                                               ; preds = %96, %66
  %70 = load i32, ptr %14, align 4, !tbaa !11
  %71 = icmp sge i32 %70, 0
  br i1 %71, label %72, label %75

72:                                               ; preds = %69
  %73 = load i32, ptr %15, align 4, !tbaa !11
  %74 = icmp sge i32 %73, 0
  br label %75

75:                                               ; preds = %72, %69
  %76 = phi i1 [ false, %69 ], [ %74, %72 ]
  br i1 %76, label %77, label %101

77:                                               ; preds = %75
  %78 = load i32, ptr %14, align 4, !tbaa !11
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %79)
  %81 = load i8, ptr %80, align 1, !tbaa !13
  %82 = sext i8 %81 to i32
  %83 = load i32, ptr %15, align 4, !tbaa !11
  %84 = sext i32 %83 to i64
  %85 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %84)
  %86 = load i8, ptr %85, align 1, !tbaa !13
  %87 = sext i8 %86 to i32
  %88 = icmp eq i32 %82, %87
  %89 = zext i1 %88 to i32
  %90 = load i8, ptr %16, align 1, !tbaa !9, !range !17, !noundef !18
  %91 = trunc i8 %90 to i1
  %92 = zext i1 %91 to i32
  %93 = and i32 %92, %89
  %94 = icmp ne i32 %93, 0
  %95 = zext i1 %94 to i8
  store i8 %95, ptr %16, align 1, !tbaa !9
  br label %96

96:                                               ; preds = %77
  %97 = load i32, ptr %14, align 4, !tbaa !11
  %98 = add nsw i32 %97, -1
  store i32 %98, ptr %14, align 4, !tbaa !11
  %99 = load i32, ptr %15, align 4, !tbaa !11
  %100 = add nsw i32 %99, -1
  store i32 %100, ptr %15, align 4, !tbaa !11
  br label %69, !llvm.loop !19

101:                                              ; preds = %75
  %102 = load i8, ptr %16, align 1, !tbaa !9, !range !17, !noundef !18
  %103 = trunc i8 %102 to i1
  br i1 %103, label %105, label %104

104:                                              ; preds = %101
  store i1 false, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %204

105:                                              ; preds = %101
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #3
  %106 = load i32, ptr %14, align 4, !tbaa !11
  %107 = icmp slt i32 %106, 0
  br i1 %107, label %108, label %111

108:                                              ; preds = %105
  %109 = load i32, ptr %9, align 4, !tbaa !11
  %110 = sext i32 %109 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %17, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0, i64 noundef %110)
  br label %114

111:                                              ; preds = %105
  %112 = load i32, ptr %8, align 4, !tbaa !11
  %113 = sext i32 %112 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %17, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %113)
  br label %114

114:                                              ; preds = %111, %108
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #3
  %115 = load i32, ptr %8, align 4, !tbaa !11
  store i32 %115, ptr %18, align 4, !tbaa !11
  %116 = load i32, ptr %9, align 4, !tbaa !11
  store i32 %116, ptr %19, align 4, !tbaa !11
  br label %117

117:                                              ; preds = %150, %114
  %118 = load i32, ptr %18, align 4, !tbaa !11
  %119 = sext i32 %118 to i64
  %120 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %121 = icmp ult i64 %119, %120
  br i1 %121, label %122, label %127

122:                                              ; preds = %117
  %123 = load i32, ptr %19, align 4, !tbaa !11
  %124 = sext i32 %123 to i64
  %125 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %126 = icmp ult i64 %124, %125
  br label %127

127:                                              ; preds = %122, %117
  %128 = phi i1 [ false, %117 ], [ %126, %122 ]
  br i1 %128, label %129, label %159

129:                                              ; preds = %127
  %130 = load i32, ptr %18, align 4, !tbaa !11
  %131 = sext i32 %130 to i64
  %132 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %131)
          to label %133 unwind label %155

133:                                              ; preds = %129
  %134 = load i8, ptr %132, align 1, !tbaa !13
  %135 = sext i8 %134 to i32
  %136 = load i32, ptr %19, align 4, !tbaa !11
  %137 = sext i32 %136 to i64
  %138 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %137)
          to label %139 unwind label %155

139:                                              ; preds = %133
  %140 = load i8, ptr %138, align 1, !tbaa !13
  %141 = sext i8 %140 to i32
  %142 = icmp eq i32 %135, %141
  %143 = zext i1 %142 to i32
  %144 = load i8, ptr %16, align 1, !tbaa !9, !range !17, !noundef !18
  %145 = trunc i8 %144 to i1
  %146 = zext i1 %145 to i32
  %147 = and i32 %146, %143
  %148 = icmp ne i32 %147, 0
  %149 = zext i1 %148 to i8
  store i8 %149, ptr %16, align 1, !tbaa !9
  br label %150

150:                                              ; preds = %139
  %151 = load i32, ptr %18, align 4, !tbaa !11
  %152 = add nsw i32 %151, 1
  store i32 %152, ptr %18, align 4, !tbaa !11
  %153 = load i32, ptr %19, align 4, !tbaa !11
  %154 = add nsw i32 %153, 1
  store i32 %154, ptr %19, align 4, !tbaa !11
  br label %117, !llvm.loop !20

155:                                              ; preds = %133, %129
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %20, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %21, align 4
  br label %203

159:                                              ; preds = %127
  %160 = load i8, ptr %16, align 1, !tbaa !9, !range !17, !noundef !18
  %161 = trunc i8 %160 to i1
  br i1 %161, label %163, label %162

162:                                              ; preds = %159
  store i1 false, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %202

163:                                              ; preds = %159
  call void @llvm.lifetime.start.p0(i64 32, ptr %22) #3
  %164 = load i32, ptr %18, align 4, !tbaa !11
  %165 = sext i32 %164 to i64
  %166 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %167 = icmp eq i64 %165, %166
  br i1 %167, label %168, label %172

168:                                              ; preds = %163
  %169 = load i32, ptr %9, align 4, !tbaa !11
  %170 = sext i32 %169 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %22, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %170, i64 noundef -1)
          to label %171 unwind label %184

171:                                              ; preds = %168
  br label %176

172:                                              ; preds = %163
  %173 = load i32, ptr %8, align 4, !tbaa !11
  %174 = sext i32 %173 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %22, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %174, i64 noundef -1)
          to label %175 unwind label %184

175:                                              ; preds = %172
  br label %176

176:                                              ; preds = %175, %171
  call void @llvm.lifetime.start.p0(i64 32, ptr %23) #3
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %23, ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef nonnull align 8 dereferenceable(32) %22)
          to label %177 unwind label %188

177:                                              ; preds = %176
  %178 = load ptr, ptr %7, align 8, !tbaa !5
  %179 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %178, ptr noundef nonnull align 8 dereferenceable(32) %23) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #3
  %180 = load ptr, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %24, ptr noundef nonnull align 8 dereferenceable(32) %180)
          to label %181 unwind label %192

181:                                              ; preds = %177
  %182 = invoke noundef zeroext i1 @_Z5validNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %24)
          to label %183 unwind label %196

183:                                              ; preds = %181
  store i1 %182, ptr %4, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %24) #3
  store i32 1, ptr %12, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #3
  br label %202

184:                                              ; preds = %172, %168
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %20, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %21, align 4
  br label %201

188:                                              ; preds = %176
  %189 = landingpad { ptr, i32 }
          cleanup
  %190 = extractvalue { ptr, i32 } %189, 0
  store ptr %190, ptr %20, align 8
  %191 = extractvalue { ptr, i32 } %189, 1
  store i32 %191, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #3
  br label %200

192:                                              ; preds = %177
  %193 = landingpad { ptr, i32 }
          cleanup
  %194 = extractvalue { ptr, i32 } %193, 0
  store ptr %194, ptr %20, align 8
  %195 = extractvalue { ptr, i32 } %193, 1
  store i32 %195, ptr %21, align 4
  br label %200

196:                                              ; preds = %181
  %197 = landingpad { ptr, i32 }
          cleanup
  %198 = extractvalue { ptr, i32 } %197, 0
  store ptr %198, ptr %20, align 8
  %199 = extractvalue { ptr, i32 } %197, 1
  store i32 %199, ptr %21, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %24) #3
  br label %200

200:                                              ; preds = %196, %192, %188
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #3
  br label %201

201:                                              ; preds = %200, %184
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #3
  br label %203

202:                                              ; preds = %183, %162
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #3
  br label %204

203:                                              ; preds = %201, %155
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %207

204:                                              ; preds = %202, %104
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %205

205:                                              ; preds = %204, %65
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %206 = load i1, ptr %4, align 1
  ret i1 %206

207:                                              ; preds = %203
  %208 = load ptr, ptr %20, align 8
  %209 = load i32, ptr %21, align 4
  %210 = insertvalue { ptr, i32 } poison, ptr %208, 0
  %211 = insertvalue { ptr, i32 } %210, i32 %209, 1
  resume { ptr, i32 } %211
}

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; 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: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { 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 #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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !15}
!20 = distinct !{!20, !15}


; 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::__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] }

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5validNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) local_unnamed_addr #0

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

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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; 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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z10try_concatNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_RS4_(ptr noundef nonnull %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %.not95 = icmp eq i64 %8, 0
  br i1 %.not95, label %._crit_edge75.thread, label %.preheader63

.preheader63:                                     ; preds = %3, %._crit_edge
  %indvars.iv100 = phi i64 [ %indvars.iv.next101, %._crit_edge ], [ 0, %3 ]
  %.04973 = phi i1 [ %.150, %._crit_edge ], [ false, %3 ]
  %.05172 = phi i32 [ %.152, %._crit_edge ], [ undef, %3 ]
  %.05371 = phi i32 [ %.154, %._crit_edge ], [ undef, %3 ]
  %9 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %.not96 = icmp eq i64 %9, 0
  br i1 %.not96, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.preheader63
  %10 = trunc nuw nsw i64 %indvars.iv100 to i32
  br label %.lr.ph

._crit_edge75:                                    ; preds = %._crit_edge
  br i1 %.150, label %.preheader, label %._crit_edge75.thread

.preheader:                                       ; preds = %._crit_edge75
  %11 = icmp sgt i32 %.154, -1
  %12 = icmp sgt i32 %.152, -1
  %13 = select i1 %11, i1 %12, i1 false
  br i1 %13, label %.lr.ph81.preheader, label %._crit_edge82.thread

.lr.ph81.preheader:                               ; preds = %.preheader
  %14 = zext nneg i32 %.152 to i64
  %15 = zext nneg i32 %.154 to i64
  br label %.lr.ph81

.lr.ph:                                           ; preds = %.lr.ph.preheader, %20
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %20 ]
  %16 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv100)
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %.not = icmp eq i8 %17, %19
  br i1 %.not, label %._crit_edge.loopexit.split.loop.exit, label %20

20:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %22 = icmp ugt i64 %21, %indvars.iv.next
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge.loopexit.split.loop.exit:             ; preds = %.lr.ph
  %23 = trunc nuw nsw i64 %indvars.iv to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %20, %._crit_edge.loopexit.split.loop.exit, %.preheader63
  %.154 = phi i32 [ %.05371, %.preheader63 ], [ %10, %._crit_edge.loopexit.split.loop.exit ], [ %.05371, %20 ]
  %.152 = phi i32 [ %.05172, %.preheader63 ], [ %23, %._crit_edge.loopexit.split.loop.exit ], [ %.05172, %20 ]
  %.150 = phi i1 [ %.04973, %.preheader63 ], [ true, %._crit_edge.loopexit.split.loop.exit ], [ %.04973, %20 ]
  %indvars.iv.next101 = add nuw nsw i64 %indvars.iv100, 1
  %24 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %25 = icmp ugt i64 %24, %indvars.iv.next101
  br i1 %25, label %.preheader63, label %._crit_edge75, !llvm.loop !10

.lr.ph81:                                         ; preds = %.lr.ph81.preheader, %.lr.ph81
  %indvars.iv104 = phi i64 [ %15, %.lr.ph81.preheader ], [ %indvars.iv.next105, %.lr.ph81 ]
  %indvars.iv102 = phi i64 [ %14, %.lr.ph81.preheader ], [ %indvars.iv.next103, %.lr.ph81 ]
  %.04380 = phi i1 [ true, %.lr.ph81.preheader ], [ %31, %.lr.ph81 ]
  %26 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv104)
  %27 = load i8, ptr %26, align 1, !tbaa !5
  %28 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv102)
  %29 = load i8, ptr %28, align 1, !tbaa !5
  %30 = icmp eq i8 %27, %29
  %31 = and i1 %.04380, %30
  %indvars.iv.next105 = add nsw i64 %indvars.iv104, -1
  %indvars.iv.next103 = add nsw i64 %indvars.iv102, -1
  %32 = icmp ne i64 %indvars.iv104, 0
  %33 = icmp ne i64 %indvars.iv102, 0
  %34 = select i1 %32, i1 %33, i1 false
  br i1 %34, label %.lr.ph81, label %._crit_edge82, !llvm.loop !11

._crit_edge82:                                    ; preds = %.lr.ph81
  %35 = trunc nsw i64 %indvars.iv.next105 to i32
  br i1 %31, label %._crit_edge82.thread, label %._crit_edge75.thread

._crit_edge82.thread:                             ; preds = %.preheader, %._crit_edge82
  %.046.lcssa115 = phi i32 [ %35, %._crit_edge82 ], [ %.154, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  %36 = icmp slt i32 %.046.lcssa115, 0
  br i1 %36, label %37, label %39

37:                                               ; preds = %._crit_edge82.thread
  %38 = sext i32 %.152 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0, i64 noundef %38)
  %.pre = sext i32 %.154 to i64
  br label %41

39:                                               ; preds = %._crit_edge82.thread
  %40 = sext i32 %.154 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %40)
  br label %41

41:                                               ; preds = %39, %37
  %.pre-phi = phi i64 [ %40, %39 ], [ %.pre, %37 ]
  %42 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %43 = icmp ugt i64 %42, %.pre-phi
  br i1 %43, label %.lr.ph89.preheader, label %.critedge.thread

.lr.ph89.preheader:                               ; preds = %41
  %44 = sext i32 %.152 to i64
  br label %.lr.ph89

.lr.ph89:                                         ; preds = %.lr.ph89.preheader, %47
  %indvars.iv108 = phi i64 [ %.pre-phi, %.lr.ph89.preheader ], [ %indvars.iv.next109, %47 ]
  %indvars.iv106 = phi i64 [ %44, %.lr.ph89.preheader ], [ %indvars.iv.next107, %47 ]
  %.14485 = phi i1 [ true, %.lr.ph89.preheader ], [ %53, %47 ]
  %45 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %46 = icmp ugt i64 %45, %indvars.iv106
  br i1 %46, label %47, label %.critedge

47:                                               ; preds = %.lr.ph89
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv108)
  %49 = load i8, ptr %48, align 1, !tbaa !5
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv106)
  %51 = load i8, ptr %50, align 1, !tbaa !5
  %52 = icmp eq i8 %49, %51
  %53 = and i1 %.14485, %52
  %indvars.iv.next109 = add nuw nsw i64 %indvars.iv108, 1
  %indvars.iv.next107 = add nuw nsw i64 %indvars.iv106, 1
  %54 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %55 = icmp ugt i64 %54, %indvars.iv.next109
  br i1 %55, label %.lr.ph89, label %.critedge, !llvm.loop !12

.critedge:                                        ; preds = %.lr.ph89, %47
  %.144.lcssa = phi i1 [ %.14485, %.lr.ph89 ], [ %53, %47 ]
  %.lcssa = phi i64 [ %indvars.iv108, %.lr.ph89 ], [ %indvars.iv.next109, %47 ]
  br i1 %.144.lcssa, label %.critedge.thread, label %77

.critedge.thread:                                 ; preds = %41, %.critedge
  %.lcssa118 = phi i64 [ %.lcssa, %.critedge ], [ %.pre-phi, %41 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  %56 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %57 = icmp eq i64 %56, %.lcssa118
  %58 = sext i32 %.152 to i64
  %59 = select i1 %57, ptr %1, ptr %0
  %60 = select i1 %57, i64 %58, i64 %.pre-phi
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %59, i64 noundef %60, i64 noundef -1)
          to label %61 unwind label %67

61:                                               ; preds = %.critedge.thread
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #3
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %62 unwind label %69

62:                                               ; preds = %61
  %63 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %6) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %64 unwind label %71

64:                                               ; preds = %62
  %65 = invoke noundef zeroext i1 @_Z5validNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %7)
          to label %66 unwind label %73

66:                                               ; preds = %64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  br label %77

67:                                               ; preds = %.critedge.thread
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %76

69:                                               ; preds = %61
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  br label %75

71:                                               ; preds = %62
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %75

73:                                               ; preds = %64
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  br label %75

75:                                               ; preds = %73, %71, %69
  %.pn = phi { ptr, i32 } [ %74, %73 ], [ %72, %71 ], [ %70, %69 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %76

76:                                               ; preds = %75, %67
  %.pn.pn = phi { ptr, i32 } [ %.pn, %75 ], [ %68, %67 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  resume { ptr, i32 } %.pn.pn

77:                                               ; preds = %.critedge, %66
  %.055 = phi i1 [ %65, %66 ], [ false, %.critedge ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  br label %._crit_edge75.thread

._crit_edge75.thread:                             ; preds = %3, %77, %._crit_edge82, %._crit_edge75
  %.2 = phi i1 [ false, %._crit_edge75 ], [ %.055, %77 ], [ false, %._crit_edge82 ], [ false, %3 ]
  ret i1 %.2
}

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; 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: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { 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 #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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}
!11 = distinct !{!11, !9}
!12 = distinct !{!12, !9}


; Effective O3 passes: AggressiveInstCombinePass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass