; LLVM IR from mhsitu/welding_robot :: coppeliaSim-client/common/stack/stackString.ll (ZNK12CStackString8toStringB5cxx11Ev)

; 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::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%class.CStackString = type { %class.CStackObject.base, %"class.std::__cxx11::basic_string" }
%class.CStackObject.base = type <{ ptr, i32 }>

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK12CStackString8toStringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(48) %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i8, align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 392, ptr %5) #4
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %5)
  %11 = getelementptr inbounds i8, ptr %5, i64 16
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef @.str)
          to label %13 unwind label %20

13:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %82, %13
  %15 = load i64, ptr %8, align 8, !tbaa !9
  %16 = getelementptr inbounds %class.CStackString, ptr %10, i32 0, i32 1
  %17 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %24, label %19

19:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %85

20:                                               ; preds = %88, %85, %2
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %6, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %7, align 4
  br label %90

24:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #4
  %25 = getelementptr inbounds %class.CStackString, ptr %10, i32 0, i32 1
  %26 = load i64, ptr %8, align 8, !tbaa !9
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %25, i64 noundef %26) #4
  %28 = load i8, ptr %27, align 1, !tbaa !11
  store i8 %28, ptr %9, align 1, !tbaa !11
  %29 = load i8, ptr %9, align 1, !tbaa !11
  %30 = sext i8 %29 to i32
  %31 = icmp eq i32 %30, 34
  br i1 %31, label %32, label %40

32:                                               ; preds = %24
  %33 = getelementptr inbounds i8, ptr %5, i64 16
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef @.str.1)
          to label %35 unwind label %36

35:                                               ; preds = %32
  br label %81

36:                                               ; preds = %72, %68, %60, %52, %44, %32
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %6, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %90

40:                                               ; preds = %24
  %41 = load i8, ptr %9, align 1, !tbaa !11
  %42 = sext i8 %41 to i32
  %43 = icmp eq i32 %42, 92
  br i1 %43, label %44, label %48

44:                                               ; preds = %40
  %45 = getelementptr inbounds i8, ptr %5, i64 16
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef @.str.2)
          to label %47 unwind label %36

47:                                               ; preds = %44
  br label %80

48:                                               ; preds = %40
  %49 = load i8, ptr %9, align 1, !tbaa !11
  %50 = sext i8 %49 to i32
  %51 = icmp eq i32 %50, 10
  br i1 %51, label %52, label %56

52:                                               ; preds = %48
  %53 = getelementptr inbounds i8, ptr %5, i64 16
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef @.str.3)
          to label %55 unwind label %36

55:                                               ; preds = %52
  br label %79

56:                                               ; preds = %48
  %57 = load i8, ptr %9, align 1, !tbaa !11
  %58 = sext i8 %57 to i32
  %59 = icmp eq i32 %58, 13
  br i1 %59, label %60, label %64

60:                                               ; preds = %56
  %61 = getelementptr inbounds i8, ptr %5, i64 16
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef @.str.4)
          to label %63 unwind label %36

63:                                               ; preds = %60
  br label %78

64:                                               ; preds = %56
  %65 = load i8, ptr %9, align 1, !tbaa !11
  %66 = sext i8 %65 to i32
  %67 = icmp eq i32 %66, 9
  br i1 %67, label %68, label %72

68:                                               ; preds = %64
  %69 = getelementptr inbounds i8, ptr %5, i64 16
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef @.str.5)
          to label %71 unwind label %36

71:                                               ; preds = %68
  br label %77

72:                                               ; preds = %64
  %73 = getelementptr inbounds i8, ptr %5, i64 16
  %74 = load i8, ptr %9, align 1, !tbaa !11
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %73, i8 noundef signext %74)
          to label %76 unwind label %36

76:                                               ; preds = %72
  br label %77

77:                                               ; preds = %76, %71
  br label %78

78:                                               ; preds = %77, %63
  br label %79

79:                                               ; preds = %78, %55
  br label %80

80:                                               ; preds = %79, %47
  br label %81

81:                                               ; preds = %80, %35
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  br label %82

82:                                               ; preds = %81
  %83 = load i64, ptr %8, align 8, !tbaa !9
  %84 = add i64 %83, 1
  store i64 %84, ptr %8, align 8, !tbaa !9
  br label %14, !llvm.loop !12

85:                                               ; preds = %19
  %86 = getelementptr inbounds i8, ptr %5, i64 16
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef @.str)
          to label %88 unwind label %20

88:                                               ; preds = %85
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %5)
          to label %89 unwind label %20

89:                                               ; preds = %88
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %5) #4
  call void @llvm.lifetime.end.p0(i64 392, ptr %5) #4
  ret void

90:                                               ; preds = %36, %20
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %5) #4
  call void @llvm.lifetime.end.p0(i64 392, ptr %5) #4
  br label %91

91:                                               ; preds = %90
  %92 = load ptr, ptr %6, align 8
  %93 = load i32, ptr %7, align 4
  %94 = insertvalue { ptr, i32 } poison, ptr %92, 0
  %95 = insertvalue { ptr, i32 } %94, i32 %93, 1
  resume { ptr, i32 } %95
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #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
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #3 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 = { 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 #3 = { 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 #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 = !{!"long", !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] }
%"class.std::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK12CStackString8toStringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(48) %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  call void @llvm.lifetime.start.p0(i64 392, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %3)
  %4 = getelementptr inbounds i8, ptr %3, i64 16
  %5 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull @.str)
          to label %.preheader unwind label %9

.preheader:                                       ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 16
  %7 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %23, %.preheader
  %8 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull @.str)
          to label %27 unwind label %9

9:                                                ; preds = %27, %._crit_edge, %2
  %10 = landingpad { ptr, i32 }
          cleanup
  br label %29

.lr.ph:                                           ; preds = %.preheader, %23
  %.01115 = phi i64 [ %24, %23 ], [ 0, %.preheader ]
  %11 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %.01115) #4
  %12 = load i8, ptr %11, align 1, !tbaa !5
  switch i8 %12, label %21 [
    i8 34, label %13
    i8 92, label %.invoke
    i8 10, label %16
    i8 13, label %17
    i8 9, label %18
  ]

13:                                               ; preds = %.lr.ph
  br label %.invoke

14:                                               ; preds = %.invoke, %21
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %29

16:                                               ; preds = %.lr.ph
  br label %.invoke

17:                                               ; preds = %.lr.ph
  br label %.invoke

18:                                               ; preds = %.lr.ph
  br label %.invoke

.invoke:                                          ; preds = %.lr.ph, %13, %16, %17, %18
  %19 = phi ptr [ @.str.5, %18 ], [ @.str.4, %17 ], [ @.str.3, %16 ], [ @.str.1, %13 ], [ @.str.2, %.lr.ph ]
  %20 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull %19)
          to label %23 unwind label %14

21:                                               ; preds = %.lr.ph
  %22 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %4, i8 noundef signext %12)
          to label %23 unwind label %14

23:                                               ; preds = %.invoke, %21
  %24 = add nuw i64 %.01115, 1
  %25 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  %26 = icmp ult i64 %24, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !8

27:                                               ; preds = %._crit_edge
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %3)
          to label %28 unwind label %9

28:                                               ; preds = %27
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %3) #4
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %3) #4
  ret void

29:                                               ; preds = %14, %9
  %.pn = phi { ptr, i32 } [ %15, %14 ], [ %10, %9 ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %3) #4
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #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
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #3 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 = { 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 #3 = { 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 #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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass