; LLVM IR from optframe/optframe :: include/OptFrame/Scanner++/legacy/Scanner.ll (ZNK9scannerpp7Scanner8peekNextB5cxx11Ev)

; 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] }
%"class.std::allocator" = type { i8 }
%"class.scannerpp::Scanner" = type { ptr, ptr, ptr, %"class.std::__cxx11::basic_string", i8, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }

@.str.8 = external hidden unnamed_addr constant [1 x i8], align 1

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 #0 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 #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128), i8 noundef signext) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7putbackEc(ptr noundef nonnull align 8 dereferenceable(16), i8 noundef signext) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #4

; 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)) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK9scannerpp7Scanner8peekNextB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca i1, align 1
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca ptr, align 8
  %13 = alloca i8, align 1
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca i32, align 4
  %16 = alloca i8, align 1
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %19 = load ptr, ptr %4, align 8
  %20 = getelementptr inbounds %"class.scannerpp::Scanner", ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = load ptr, ptr %21, align 8, !tbaa !15
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr %21, i64 %24
  %26 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %25)
  br i1 %26, label %27, label %33

27:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %28 unwind label %29

28:                                               ; preds = %27
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %127

29:                                               ; preds = %27
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %6, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %128

33:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %34 unwind label %51

34:                                               ; preds = %33
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  store i1 false, ptr %10, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %35 unwind label %55

35:                                               ; preds = %34
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %36 = getelementptr inbounds %"class.scannerpp::Scanner", ptr %19, i32 0, i32 1
  %37 = load ptr, ptr %36, align 8, !tbaa !9
  store ptr %37, ptr %12, align 8, !tbaa !5
  br label %38

38:                                               ; preds = %78, %35
  %39 = invoke noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128) %19)
          to label %40 unwind label %59

40:                                               ; preds = %38
  br i1 %39, label %41, label %80

41:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #5
  %42 = load ptr, ptr %12, align 8, !tbaa !5
  %43 = invoke noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128) %19, ptr noundef nonnull align 8 dereferenceable(16) %42)
          to label %44 unwind label %63

44:                                               ; preds = %41
  store i8 %43, ptr %13, align 1, !tbaa !17
  %45 = load i8, ptr %13, align 1, !tbaa !17
  %46 = call noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128) %19, i8 noundef signext %45)
  br i1 %46, label %71, label %47

47:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #5
  %48 = load i8, ptr %13, align 1, !tbaa !17
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %48)
          to label %49 unwind label %67

49:                                               ; preds = %47
  %50 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  store i32 3, ptr %15, align 4
  br label %76

51:                                               ; preds = %33
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %126

55:                                               ; preds = %34
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  br label %125

59:                                               ; preds = %113, %111, %81, %38
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %6, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %7, align 4
  br label %122

63:                                               ; preds = %71, %41
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %6, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %7, align 4
  br label %79

67:                                               ; preds = %47
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %6, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  br label %79

71:                                               ; preds = %44
  %72 = load i8, ptr %13, align 1, !tbaa !17
  %73 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %72)
          to label %74 unwind label %63

74:                                               ; preds = %71
  br label %75

75:                                               ; preds = %74
  store i32 0, ptr %15, align 4
  br label %76

76:                                               ; preds = %75, %49
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  %77 = load i32, ptr %15, align 4
  switch i32 %77, label %133 [
    i32 0, label %78
    i32 3, label %80
  ]

78:                                               ; preds = %76
  br label %38, !llvm.loop !18

79:                                               ; preds = %67, %63
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  br label %122

80:                                               ; preds = %76, %40
  br label %81

81:                                               ; preds = %105, %80
  %82 = invoke noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128) %19)
          to label %83 unwind label %59

83:                                               ; preds = %81
  br i1 %82, label %84, label %111

84:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #5
  %85 = load ptr, ptr %12, align 8, !tbaa !5
  %86 = invoke noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128) %19, ptr noundef nonnull align 8 dereferenceable(16) %85)
          to label %87 unwind label %95

87:                                               ; preds = %84
  store i8 %86, ptr %16, align 1, !tbaa !17
  %88 = load i8, ptr %16, align 1, !tbaa !17
  %89 = call noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128) %19, i8 noundef signext %88)
  br i1 %89, label %90, label %99

90:                                               ; preds = %87
  %91 = load ptr, ptr %12, align 8, !tbaa !5
  %92 = load i8, ptr %16, align 1, !tbaa !17
  %93 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7putbackEc(ptr noundef nonnull align 8 dereferenceable(16) %91, i8 noundef signext %92)
          to label %94 unwind label %95

94:                                               ; preds = %90
  store i32 5, ptr %15, align 4
  br label %103

95:                                               ; preds = %90, %84
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %6, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %7, align 4
  br label %110

99:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #5
  %100 = load i8, ptr %16, align 1, !tbaa !17
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %17, ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %100)
          to label %101 unwind label %106

101:                                              ; preds = %99
  %102 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %17) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #5
  store i32 0, ptr %15, align 4
  br label %103

103:                                              ; preds = %101, %94
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  %104 = load i32, ptr %15, align 4
  switch i32 %104, label %133 [
    i32 0, label %105
    i32 5, label %111
  ]

105:                                              ; preds = %103
  br label %81, !llvm.loop !20

106:                                              ; preds = %99
  %107 = landingpad { ptr, i32 }
          cleanup
  %108 = extractvalue { ptr, i32 } %107, 0
  store ptr %108, ptr %6, align 8
  %109 = extractvalue { ptr, i32 } %107, 1
  store i32 %109, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #5
  br label %110

110:                                              ; preds = %106, %95
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  br label %122

111:                                              ; preds = %103, %83
  %112 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %113 unwind label %59

113:                                              ; preds = %111
  %114 = getelementptr inbounds %"class.scannerpp::Scanner", ptr %19, i32 0, i32 1
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %115 unwind label %59

115:                                              ; preds = %113
  invoke void @_ZNK9scannerpp7Scanner8put_backEPPSiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(128) %19, ptr noundef %114, ptr noundef %18)
          to label %116 unwind label %118

116:                                              ; preds = %115
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #5
  store i1 true, ptr %10, align 1
  store i32 1, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  %117 = load i1, ptr %10, align 1
  br i1 %117, label %124, label %123

118:                                              ; preds = %115
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %6, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #5
  br label %122

122:                                              ; preds = %118, %110, %79, %59
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %125

123:                                              ; preds = %116
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %124

124:                                              ; preds = %123, %116
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  br label %127

125:                                              ; preds = %122, %55
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br label %126

126:                                              ; preds = %125, %51
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  br label %128

127:                                              ; preds = %124, %28
  ret void

128:                                              ; preds = %126, %29
  %129 = load ptr, ptr %6, align 8
  %130 = load i32, ptr %7, align 4
  %131 = insertvalue { ptr, i32 } poison, ptr %129, 0
  %132 = insertvalue { ptr, i32 } %131, i32 %130, 1
  resume { ptr, i32 } %132

133:                                              ; preds = %103, %76
  unreachable
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK9scannerpp7Scanner8put_backEPPSiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef, ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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, !6, i64 8}
!10 = !{!"_ZTSN9scannerpp7ScannerE", !6, i64 8, !6, i64 16, !11, i64 24, !14, i64 56, !11, i64 64, !11, i64 96}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !13, i64 8, !7, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"vtable pointer", !8, i64 0}
!17 = !{!7, !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = distinct !{!20, !19}


; 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] }
%"class.std::allocator" = type { i8 }

@.str.8 = external hidden unnamed_addr constant [1 x i8], align 1

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 #0 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 #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128), i8 noundef signext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7putbackEc(ptr noundef nonnull align 8 dereferenceable(16), i8 noundef signext) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #4

; 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 #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK9scannerpp7Scanner8peekNextB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator", align 1
  %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 = getelementptr inbounds i8, ptr %1, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %12 = load ptr, ptr %11, align 8, !tbaa !14
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr %11, i64 %14
  %16 = tail call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %15)
  br i1 %16, label %17, label %21

17:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %18 unwind label %19

18:                                               ; preds = %17
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %65

19:                                               ; preds = %17
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %66

21:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %22 unwind label %34

22:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %23 unwind label %36

23:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %42, %23
  %26 = invoke noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128) %1)
          to label %27 unwind label %.loopexit.split-lp.loopexit

27:                                               ; preds = %25
  br i1 %26, label %28, label %.loopexit46.preheader

28:                                               ; preds = %27
  %29 = invoke noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128) %1, ptr noundef nonnull align 8 dereferenceable(16) %24)
          to label %30 unwind label %38

30:                                               ; preds = %28
  %31 = call noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128) %1, i8 noundef signext %29)
  br i1 %31, label %42, label %32

32:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %29)
          to label %.thread unwind label %40

.thread:                                          ; preds = %32
  %33 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  br label %.loopexit46.preheader

.loopexit46.preheader:                            ; preds = %27, %.thread
  br label %.loopexit46

34:                                               ; preds = %21
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %64

36:                                               ; preds = %22
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %63

.loopexit:                                        ; preds = %.loopexit46
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit:                      ; preds = %25
  %lpad.loopexit43 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp:             ; preds = %58, %.thread35
  %lpad.loopexit.split-lp44 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

38:                                               ; preds = %42, %28
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

40:                                               ; preds = %32
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  br label %.loopexit.split-lp

42:                                               ; preds = %30
  %43 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %4, i8 noundef signext %29)
          to label %25 unwind label %38

.loopexit46:                                      ; preds = %.loopexit46.preheader, %53
  %44 = invoke noundef zeroext i1 @_ZNK9scannerpp7Scanner11hasNextCharEv(ptr noundef nonnull align 8 dereferenceable(128) %1)
          to label %45 unwind label %.loopexit

45:                                               ; preds = %.loopexit46
  br i1 %44, label %46, label %.thread35

46:                                               ; preds = %45
  %47 = invoke noundef signext i8 @_ZNK9scannerpp7Scanner8nextCharERSi(ptr noundef nonnull align 8 dereferenceable(128) %1, ptr noundef nonnull align 8 dereferenceable(16) %24)
          to label %48 unwind label %.loopexit38

48:                                               ; preds = %46
  %49 = call noundef zeroext i1 @_ZNK9scannerpp7Scanner12inSeparatorsEc(ptr noundef nonnull align 8 dereferenceable(128) %1, i8 noundef signext %47)
  br i1 %49, label %50, label %52

50:                                               ; preds = %48
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7putbackEc(ptr noundef nonnull align 8 dereferenceable(16) %24, i8 noundef signext %47)
          to label %.thread35 unwind label %.loopexit.split-lp39

.loopexit38:                                      ; preds = %46
  %lpad.loopexit40 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp39:                             ; preds = %50
  %lpad.loopexit.split-lp41 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

52:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %47)
          to label %53 unwind label %55

53:                                               ; preds = %52
  %54 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %.loopexit46

55:                                               ; preds = %52
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %.loopexit.split-lp

.thread35:                                        ; preds = %45, %50
  %57 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %58 unwind label %.loopexit.split-lp.loopexit.split-lp

58:                                               ; preds = %.thread35
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %59 unwind label %.loopexit.split-lp.loopexit.split-lp

59:                                               ; preds = %58
  invoke void @_ZNK9scannerpp7Scanner8put_backEPPSiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(128) %1, ptr noundef nonnull %10, ptr noundef nonnull %9)
          to label %60 unwind label %61

60:                                               ; preds = %59
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %65

61:                                               ; preds = %59
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  br label %.loopexit.split-lp

.loopexit.split-lp:                               ; preds = %.loopexit38, %.loopexit.split-lp39, %.loopexit, %.loopexit.split-lp.loopexit.split-lp, %.loopexit.split-lp.loopexit, %55, %38, %40, %61
  %.pn25 = phi { ptr, i32 } [ %62, %61 ], [ %39, %38 ], [ %41, %40 ], [ %56, %55 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit43, %.loopexit.split-lp.loopexit ], [ %lpad.loopexit.split-lp44, %.loopexit.split-lp.loopexit.split-lp ], [ %lpad.loopexit40, %.loopexit38 ], [ %lpad.loopexit.split-lp41, %.loopexit.split-lp39 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %63

63:                                               ; preds = %.loopexit.split-lp, %36
  %.pn25.pn = phi { ptr, i32 } [ %.pn25, %.loopexit.split-lp ], [ %37, %36 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  br label %64

64:                                               ; preds = %63, %34
  %.pn25.pn.pn = phi { ptr, i32 } [ %.pn25.pn, %63 ], [ %35, %34 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %66

65:                                               ; preds = %60, %18
  ret void

66:                                               ; preds = %64, %19
  %.pn29 = phi { ptr, i32 } [ %20, %19 ], [ %.pn25.pn.pn, %64 ]
  resume { ptr, i32 } %.pn29
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK9scannerpp7Scanner8put_backEPPSiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef, ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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, !7, i64 8}
!6 = !{!"_ZTSN9scannerpp7ScannerE", !7, i64 8, !7, i64 16, !10, i64 24, !13, i64 56, !10, i64 64, !10, i64 96}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !11, i64 0, !12, i64 8, !8, i64 16}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !7, i64 0}
!12 = !{!"long", !8, i64 0}
!13 = !{!"bool", !8, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !9, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass