; LLVM IR from PaddlePaddle/Paddle-Lite :: lite/demo/cxx/lac_demo (lac_util)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z12split_tokensRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  store i1 false, ptr %7, align 1
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef @.str, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %18 unwind label %24

18:                                               ; preds = %3
  br i1 %17, label %23, label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef @.str, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %22 unwind label %24

22:                                               ; preds = %19
  br i1 %21, label %23, label %28

23:                                               ; preds = %22, %18
  store i1 true, ptr %7, align 1
  store i32 1, ptr %10, align 4
  br label %94

24:                                               ; preds = %19, %3
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %8, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %9, align 4
  br label %98

28:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %29) #4
  %31 = trunc i64 %30 to i32
  store i32 %31, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %88, %28
  %33 = load i32, ptr %13, align 4, !tbaa !9
  %34 = load i32, ptr %12, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 2, ptr %10, align 4
  br label %91

37:                                               ; preds = %32
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  %40 = load i32, ptr %13, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32) %38, ptr noundef nonnull align 8 dereferenceable(32) %39, i64 noundef %41) #4
  %43 = trunc i64 %42 to i32
  store i32 %43, ptr %11, align 4, !tbaa !9
  %44 = load i32, ptr %11, align 4, !tbaa !9
  %45 = icmp ne i32 -1, %44
  br i1 %45, label %46, label %72

46:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #4
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = load i32, ptr %13, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = load i32, ptr %11, align 4, !tbaa !9
  %51 = load i32, ptr %13, align 4, !tbaa !9
  %52 = sub nsw i32 %50, %51
  %53 = sext i32 %52 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) %47, i64 noundef %49, i64 noundef %53)
          to label %54 unwind label %63

54:                                               ; preds = %46
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %55 unwind label %67

55:                                               ; preds = %54
  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
  %56 = load i32, ptr %11, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  %59 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %58) #4
  %60 = add i64 %57, %59
  %61 = sub i64 %60, 1
  %62 = trunc i64 %61 to i32
  store i32 %62, ptr %13, align 4, !tbaa !9
  br label %87

63:                                               ; preds = %46
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %8, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %9, align 4
  br label %71

67:                                               ; preds = %54
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %8, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  br label %71

71:                                               ; preds = %67, %63
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  br label %92

72:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #4
  %73 = load ptr, ptr %5, align 8, !tbaa !5
  %74 = load i32, ptr %13, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %73, i64 noundef %75, i64 noundef -1)
          to label %76 unwind label %78

76:                                               ; preds = %72
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %77 unwind label %82

77:                                               ; preds = %76
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  store i32 2, ptr %10, align 4
  br label %91

78:                                               ; preds = %72
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %8, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %9, align 4
  br label %86

82:                                               ; preds = %76
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %8, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  br label %86

86:                                               ; preds = %82, %78
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  br label %92

87:                                               ; preds = %55
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %13, align 4, !tbaa !9
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %13, align 4, !tbaa !9
  br label %32, !llvm.loop !11

91:                                               ; preds = %77, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %93

92:                                               ; preds = %86, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %98

93:                                               ; preds = %91
  store i1 true, ptr %7, align 1
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %94

94:                                               ; preds = %93, %23
  %95 = load i1, ptr %7, align 1
  br i1 %95, label %97, label %96

96:                                               ; preds = %94
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %97

97:                                               ; preds = %96, %94
  ret void

98:                                               ; preds = %92, %24
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %99

99:                                               ; preds = %98
  %100 = load ptr, ptr %8, align 8
  %101 = load i32, ptr %9, align 4
  %102 = insertvalue { ptr, i32 } poison, ptr %100, 0
  %103 = insertvalue { ptr, i32 } %102, i32 %101, 1
  resume { ptr, i32 } %103
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #0 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 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 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 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!11, !12}
!12 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z12split_tokensRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %6 = tail call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef nonnull @.str, ptr noundef nonnull align 8 dereferenceable(32) %1)
  br i1 %6, label %.loopexit, label %7

7:                                                ; preds = %3
  %8 = tail call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef nonnull @.str, ptr noundef nonnull align 8 dereferenceable(32) %2)
  br i1 %8, label %.loopexit, label %9

9:                                                ; preds = %7
  %10 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %11 = trunc i64 %10 to i32
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %9, %20
  %.032 = phi i32 [ %23, %20 ], [ 0, %9 ]
  %13 = sext i32 %.032 to i64
  %14 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %13) #4
  %15 = trunc i64 %14 to i32
  %.not = icmp eq i32 %15, -1
  br i1 %.not, label %30, label %16

16:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  %17 = sub nsw i32 %15, %.032
  %18 = sext i32 %17 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %13, i64 noundef %18)
          to label %19 unwind label %25

19:                                               ; preds = %16
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %20 unwind label %27

20:                                               ; preds = %19
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  %22 = add i64 %21, %14
  %23 = trunc i64 %22 to i32
  %24 = icmp slt i32 %23, %11
  br i1 %24, label %.lr.ph, label %.loopexit, !llvm.loop !5

25:                                               ; preds = %16
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %29

27:                                               ; preds = %19
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  br label %29

29:                                               ; preds = %27, %25
  %.pn27 = phi { ptr, i32 } [ %28, %27 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br label %38

30:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %13, i64 noundef -1)
          to label %31 unwind label %33

31:                                               ; preds = %30
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %32 unwind label %35

32:                                               ; preds = %31
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %.loopexit

33:                                               ; preds = %30
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %37

35:                                               ; preds = %31
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  br label %37

37:                                               ; preds = %35, %33
  %.pn = phi { ptr, i32 } [ %36, %35 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %38

38:                                               ; preds = %37, %29
  %.pn27.pn = phi { ptr, i32 } [ %.pn27, %29 ], [ %.pn, %37 ]
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  resume { ptr, i32 } %.pn27.pn

.loopexit:                                        ; preds = %20, %9, %7, %3, %32
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbPKT_RKNSt7__cxx1112basic_stringIS3_T0_T1_EE(ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(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.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 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 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 = { inlinehint 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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