; LLVM IR from Mohammed-Shoaib/Coding-Problems :: HackerRank/Algorithms/Easy (E0073)

; 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 @_Z12isPalindromeNSt7__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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z15palindromeIndexNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %20 unwind label %24

20:                                               ; preds = %1
  %21 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %8)
          to label %22 unwind label %28

22:                                               ; preds = %20
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br i1 %21, label %23, label %32

23:                                               ; preds = %22
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %11, align 4
  br label %130

24:                                               ; preds = %119, %109, %46, %42, %1
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %9, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %10, align 4
  br label %132

28:                                               ; preds = %20
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %9, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br label %132

32:                                               ; preds = %22
  store i32 0, ptr %4, align 4, !tbaa !9
  %33 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %34 = sub i64 %33, 1
  %35 = trunc i64 %34 to i32
  store i32 %35, ptr %5, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %104, %32
  %37 = load i32, ptr %4, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %40 = udiv i64 %39, 2
  %41 = icmp ult i64 %38, %40
  br i1 %41, label %42, label %109

42:                                               ; preds = %36
  %43 = load i32, ptr %4, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %44)
          to label %46 unwind label %24

46:                                               ; preds = %42
  %47 = load i8, ptr %45, align 1, !tbaa !11
  %48 = sext i8 %47 to i32
  %49 = load i32, ptr %5, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %50)
          to label %52 unwind label %24

52:                                               ; preds = %46
  %53 = load i8, ptr %51, align 1, !tbaa !11
  %54 = sext i8 %53 to i32
  %55 = icmp ne i32 %48, %54
  br i1 %55, label %56, label %103

56:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #4
  %57 = load i32, ptr %4, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %13, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %58)
          to label %59 unwind label %75

59:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #4
  %60 = load i32, ptr %4, align 4, !tbaa !9
  %61 = add nsw i32 %60, 1
  %62 = sext i32 %61 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %62, i64 noundef -1)
          to label %63 unwind label %79

63:                                               ; preds = %59
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %64 unwind label %83

64:                                               ; preds = %63
  %65 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #4
  %66 = load i32, ptr %5, align 4, !tbaa !9
  %67 = sext i32 %66 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %16, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %67)
          to label %68 unwind label %89

68:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  %69 = load i32, ptr %5, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  %71 = sext i32 %70 to i64
  invoke 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 %71, i64 noundef -1)
          to label %72 unwind label %93

72:                                               ; preds = %68
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %17)
          to label %73 unwind label %97

73:                                               ; preds = %72
  %74 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  br label %109

75:                                               ; preds = %56
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %9, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %10, align 4
  br label %88

79:                                               ; preds = %59
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %9, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %10, align 4
  br label %87

83:                                               ; preds = %63
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %9, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  br label %87

87:                                               ; preds = %83, %79
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  br label %88

88:                                               ; preds = %87, %75
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  br label %132

89:                                               ; preds = %64
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %9, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %10, align 4
  br label %102

93:                                               ; preds = %68
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %9, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %10, align 4
  br label %101

97:                                               ; preds = %72
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %9, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  br label %101

101:                                              ; preds = %97, %93
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  br label %102

102:                                              ; preds = %101, %89
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  br label %132

103:                                              ; preds = %52
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %4, align 4, !tbaa !9
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %4, align 4, !tbaa !9
  %107 = load i32, ptr %5, align 4, !tbaa !9
  %108 = add nsw i32 %107, -1
  store i32 %108, ptr %5, align 4, !tbaa !9
  br label %36, !llvm.loop !12

109:                                              ; preds = %73, %36
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %110 unwind label %24

110:                                              ; preds = %109
  %111 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %18)
          to label %112 unwind label %115

112:                                              ; preds = %110
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #4
  br i1 %111, label %113, label %119

113:                                              ; preds = %112
  %114 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %114, ptr %2, align 4
  store i32 1, ptr %11, align 4
  br label %130

115:                                              ; preds = %110
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %9, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #4
  br label %132

119:                                              ; preds = %112
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %120 unwind label %24

120:                                              ; preds = %119
  %121 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %19)
          to label %122 unwind label %125

122:                                              ; preds = %120
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #4
  br i1 %121, label %123, label %129

123:                                              ; preds = %122
  %124 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %124, ptr %2, align 4
  store i32 1, ptr %11, align 4
  br label %130

125:                                              ; preds = %120
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %9, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #4
  br label %132

129:                                              ; preds = %122
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %11, align 4
  br label %130

130:                                              ; preds = %129, %123, %113, %23
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  %131 = load i32, ptr %2, align 4
  ret i32 %131

132:                                              ; preds = %125, %115, %102, %88, %28, %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %133

133:                                              ; preds = %132
  %134 = load ptr, ptr %9, align 8
  %135 = load i32, ptr %10, align 4
  %136 = insertvalue { ptr, i32 } poison, ptr %134, 0
  %137 = insertvalue { ptr, i32 } %136, i32 %135, 1
  resume { ptr, i32 } %137
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(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

declare i32 @__gxx_personality_v0(...)

; 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 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: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(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)) #3

; 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 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

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 = { 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 #4 = { 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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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 @_Z12isPalindromeNSt7__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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z15palindromeIndexNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %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 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %13 unwind label %16

13:                                               ; preds = %1
  %14 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %4)
          to label %15 unwind label %18

15:                                               ; preds = %13
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  br i1 %14, label %77, label %20

16:                                               ; preds = %71, %.loopexit, %1
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %78

18:                                               ; preds = %13
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  br label %78

20:                                               ; preds = %15
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %22 = trunc i64 %21 to i32
  %.01836 = add i32 %22, -1
  %23 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %.not41 = icmp ult i64 %23, 2
  br i1 %.not41, label %.loopexit, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %20
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0)
  %25 = load i8, ptr %24, align 1, !tbaa !5
  %26 = sext i32 %.01836 to i64
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %26)
  %28 = load i8, ptr %27, align 1, !tbaa !5
  %.not58 = icmp eq i8 %25, %28
  br i1 %.not58, label %.lr.ph61, label %.lr.ph._crit_edge

.lr.ph:                                           ; preds = %.lr.ph61
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv.next)
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = sext i32 %.018 to i64
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %31)
  %33 = load i8, ptr %32, align 1, !tbaa !5
  %.not = icmp eq i8 %30, %33
  br i1 %.not, label %.lr.ph61, label %.lr.ph._crit_edge, !llvm.loop !8

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %.lr.ph.preheader
  %indvars.iv.lcssa = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.01839.lcssa = phi i32 [ %.01836, %.lr.ph.preheader ], [ %.018, %.lr.ph ]
  %.018.in38.lcssa = phi i32 [ %22, %.lr.ph.preheader ], [ %.0183960, %.lr.ph ]
  %.lcssa = phi i64 [ %26, %.lr.ph.preheader ], [ %31, %.lr.ph ]
  %34 = trunc nuw nsw i64 %indvars.iv.lcssa to i32
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %indvars.iv.lcssa)
          to label %35 unwind label %46

35:                                               ; preds = %.lr.ph._crit_edge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #4
  %36 = add nuw nsw i64 %indvars.iv.lcssa, 1
  %37 = and i64 %36, 4294967295
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %37, i64 noundef -1)
          to label %38 unwind label %48

38:                                               ; preds = %35
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %39 unwind label %50

39:                                               ; preds = %38
  %40 = 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) %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #4
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %.lcssa)
          to label %41 unwind label %54

41:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #4
  %42 = sext i32 %.018.in38.lcssa to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %10, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %42, i64 noundef -1)
          to label %43 unwind label %56

43:                                               ; preds = %41
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %44 unwind label %58

44:                                               ; preds = %43
  %45 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #4
  br label %.loopexit

46:                                               ; preds = %.lr.ph._crit_edge
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %53

48:                                               ; preds = %35
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %38
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  br label %52

52:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %53

53:                                               ; preds = %52, %46
  %.pn.pn = phi { ptr, i32 } [ %.pn, %52 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %78

54:                                               ; preds = %39
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %61

56:                                               ; preds = %41
  %57 = landingpad { ptr, i32 }
          cleanup
  br label %60

58:                                               ; preds = %43
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  br label %60

60:                                               ; preds = %58, %56
  %.pn24 = phi { ptr, i32 } [ %59, %58 ], [ %57, %56 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br label %61

61:                                               ; preds = %60, %54
  %.pn24.pn = phi { ptr, i32 } [ %.pn24, %60 ], [ %55, %54 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #4
  br label %78

.lr.ph61:                                         ; preds = %.lr.ph.preheader, %.lr.ph
  %.0183960 = phi i32 [ %.018, %.lr.ph ], [ %.01836, %.lr.ph.preheader ]
  %indvars.iv59 = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv59, 1
  %.018 = add i32 %.0183960, -1
  %62 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %63 = lshr i64 %62, 1
  %64 = icmp ugt i64 %63, %indvars.iv.next
  br i1 %64, label %.lr.ph, label %.loopexit.loopexit, !llvm.loop !8

.loopexit.loopexit:                               ; preds = %.lr.ph61
  %65 = trunc nuw i64 %indvars.iv.next to i32
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.loopexit, %20, %44
  %.01934 = phi i32 [ %34, %44 ], [ 0, %20 ], [ %65, %.loopexit.loopexit ]
  %.01831 = phi i32 [ %.01839.lcssa, %44 ], [ %.01836, %20 ], [ %.018, %.loopexit.loopexit ]
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %66 unwind label %16

66:                                               ; preds = %.loopexit
  %67 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %11)
          to label %68 unwind label %69

68:                                               ; preds = %66
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br i1 %67, label %77, label %71

69:                                               ; preds = %66
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br label %78

71:                                               ; preds = %68
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %72 unwind label %16

72:                                               ; preds = %71
  %73 = invoke noundef zeroext i1 @_Z12isPalindromeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %12)
          to label %74 unwind label %75

74:                                               ; preds = %72
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  %.018. = select i1 %73, i32 %.01831, i32 -1
  br label %77

75:                                               ; preds = %72
  %76 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  br label %78

77:                                               ; preds = %74, %68, %15
  %.020 = phi i32 [ -1, %15 ], [ %.01934, %68 ], [ %.018., %74 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  ret i32 %.020

78:                                               ; preds = %75, %69, %61, %53, %18, %16
  %.pn27 = phi { ptr, i32 } [ %76, %75 ], [ %17, %16 ], [ %70, %69 ], [ %.pn24.pn, %61 ], [ %.pn.pn, %53 ], [ %19, %18 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn27
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(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

declare i32 @__gxx_personality_v0(...)

; 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 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: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(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 #3

; 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 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

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 = { 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 #4 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass