; LLVM IR from yanglr/leetcode-ac :: cpp-leetcode (leetcode-playground-built-in-functions)

; 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] }

@.str.10 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [108 x i8], align 1
@__PRETTY_FUNCTION__._Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [30 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %11 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %12 = icmp uge i64 %11, 2
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  br label %16

14:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str.10, ptr noundef @.str.11, i32 noundef 217, ptr noundef @__PRETTY_FUNCTION__._Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #5
  unreachable

15:                                               ; No predecessors!
  br label %16

16:                                               ; preds = %15, %13
  store i1 false, ptr %5, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %78, %16
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %21 = sub i64 %20, 1
  %22 = icmp ult i64 %19, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %82

24:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %26)
          to label %28 unwind label %46

28:                                               ; preds = %24
  %29 = load i8, ptr %27, align 1, !tbaa !11
  store i8 %29, ptr %7, align 1, !tbaa !11
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %31)
          to label %33 unwind label %46

33:                                               ; preds = %28
  %34 = load i8, ptr %32, align 1, !tbaa !11
  %35 = sext i8 %34 to i32
  %36 = icmp eq i32 %35, 92
  br i1 %36, label %37, label %74

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #4
  %38 = load i32, ptr %6, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  %40 = sext i32 %39 to i64
  %41 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %40)
          to label %42 unwind label %50

42:                                               ; preds = %37
  %43 = load i8, ptr %41, align 1, !tbaa !11
  store i8 %43, ptr %10, align 1, !tbaa !11
  %44 = load i8, ptr %10, align 1, !tbaa !11
  %45 = sext i8 %44 to i32
  switch i32 %45, label %70 [
    i32 34, label %54
    i32 47, label %56
    i32 92, label %58
    i32 98, label %60
    i32 102, label %62
    i32 114, label %64
    i32 110, label %66
    i32 116, label %68
  ]

46:                                               ; preds = %74, %28, %24
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %8, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %9, align 4
  br label %81

50:                                               ; preds = %68, %66, %64, %62, %60, %58, %56, %54, %37
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %8, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  br label %81

54:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 34)
          to label %55 unwind label %50

55:                                               ; preds = %54
  br label %71

56:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 47)
          to label %57 unwind label %50

57:                                               ; preds = %56
  br label %71

58:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 92)
          to label %59 unwind label %50

59:                                               ; preds = %58
  br label %71

60:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 8)
          to label %61 unwind label %50

61:                                               ; preds = %60
  br label %71

62:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 12)
          to label %63 unwind label %50

63:                                               ; preds = %62
  br label %71

64:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 13)
          to label %65 unwind label %50

65:                                               ; preds = %64
  br label %71

66:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 10)
          to label %67 unwind label %50

67:                                               ; preds = %66
  br label %71

68:                                               ; preds = %42
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 9)
          to label %69 unwind label %50

69:                                               ; preds = %68
  br label %71

70:                                               ; preds = %42
  br label %71

71:                                               ; preds = %70, %69, %67, %65, %63, %61, %59, %57, %55
  %72 = load i32, ptr %6, align 4, !tbaa !9
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  br label %77

74:                                               ; preds = %33
  %75 = load i8, ptr %7, align 1, !tbaa !11
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %75)
          to label %76 unwind label %46

76:                                               ; preds = %74
  br label %77

77:                                               ; preds = %76, %71
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %78

78:                                               ; preds = %77
  %79 = load i32, ptr %6, align 4, !tbaa !9
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %6, align 4, !tbaa !9
  br label %17, !llvm.loop !12

81:                                               ; preds = %50, %46
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %86

82:                                               ; preds = %23
  store i1 true, ptr %5, align 1
  %83 = load i1, ptr %5, align 1
  br i1 %83, label %85, label %84

84:                                               ; preds = %82
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %85

85:                                               ; preds = %84, %82
  ret void

86:                                               ; preds = %81
  %87 = load ptr, ptr %8, align 8
  %88 = load i32, ptr %9, align 4
  %89 = insertvalue { ptr, i32 } poison, ptr %87, 0
  %90 = insertvalue { ptr, i32 } %89, i32 %88, 1
  resume { ptr, i32 } %90
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; 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) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }
attributes #5 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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] }

@.str.10 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [108 x i8], align 1
@__PRETTY_FUNCTION__._Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [30 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %4 = icmp ugt i64 %3, 1
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.10, ptr noundef nonnull @.str.11, i32 noundef 217, ptr noundef nonnull @__PRETTY_FUNCTION__._Z14stringToStringNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #4
  unreachable

6:                                                ; preds = %2
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %7 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %8 = add i64 %7, -3
  %9 = icmp ult i64 %8, -2
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %6, %32
  %10 = phi i64 [ %34, %32 ], [ 1, %6 ]
  %.01114 = phi i32 [ %33, %32 ], [ 1, %6 ]
  %11 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %10)
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %13 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %10)
  %14 = load i8, ptr %13, align 1, !tbaa !5
  %15 = icmp eq i8 %14, 92
  br i1 %15, label %16, label %31

16:                                               ; preds = %.lr.ph
  %17 = add nsw i32 %.01114, 1
  %18 = sext i32 %17 to i64
  %19 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %18)
  %20 = load i8, ptr %19, align 1, !tbaa !5
  switch i8 %20, label %32 [
    i8 34, label %.invoke
    i8 47, label %.invoke
    i8 92, label %.invoke
    i8 98, label %25
    i8 102, label %26
    i8 114, label %27
    i8 110, label %28
    i8 116, label %29
  ]

21:                                               ; preds = %31
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %38

23:                                               ; preds = %.invoke
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %38

25:                                               ; preds = %16
  br label %.invoke

26:                                               ; preds = %16
  br label %.invoke

27:                                               ; preds = %16
  br label %.invoke

28:                                               ; preds = %16
  br label %.invoke

29:                                               ; preds = %16
  br label %.invoke

.invoke:                                          ; preds = %16, %16, %16, %25, %26, %27, %28, %29
  %30 = phi i8 [ 9, %29 ], [ 10, %28 ], [ 13, %27 ], [ 12, %26 ], [ 8, %25 ], [ %20, %16 ], [ %20, %16 ], [ %20, %16 ]
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %30)
          to label %32 unwind label %23

31:                                               ; preds = %.lr.ph
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %12)
          to label %32 unwind label %21

32:                                               ; preds = %.invoke, %16, %31
  %.1 = phi i32 [ %.01114, %31 ], [ %17, %16 ], [ %17, %.invoke ]
  %33 = add nsw i32 %.1, 1
  %34 = sext i32 %33 to i64
  %35 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %36 = add i64 %35, -1
  %37 = icmp ugt i64 %36, %34
  br i1 %37, label %.lr.ph, label %._crit_edge, !llvm.loop !8

38:                                               ; preds = %23, %21
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  resume { ptr, i32 } %.pn

._crit_edge:                                      ; preds = %32, %6
  ret void
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #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 #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #1 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 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }
attributes #4 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass