; LLVM IR from romerojosh/zefr :: src/funcs.ll (Z18tri_nodes_to_orderj)

; 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 }

@.str = external hidden unnamed_addr constant [63 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [3 x i8], align 1
@_ZTISt13runtime_error = external constant ptr
@__func__._Z18tri_nodes_to_orderj = external hidden unnamed_addr constant [19 x i8], align 1
@.str.38 = external hidden unnamed_addr constant [39 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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 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

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

declare ptr @__cxa_allocate_exception(i64)

; 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)) #1 align 2

declare void @_ZNSt13runtime_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z18tri_nodes_to_orderj(i32 noundef %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i1, align 1
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %23, %1
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = icmp slt i32 %10, 20
  br i1 %11, label %12, label %26

12:                                               ; preds = %9
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = add nsw i32 %13, 1
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = add nsw i32 %15, 2
  %17 = mul nsw i32 %14, %16
  %18 = sdiv i32 %17, 2
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = icmp eq i32 %18, %19
  br i1 %20, label %21, label %23

21:                                               ; preds = %12
  %22 = load i32, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  ret i32 %22

23:                                               ; preds = %12
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %3, align 4, !tbaa !5
  br label %9, !llvm.loop !9

26:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 392, ptr %4) #6
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4)
  %27 = getelementptr inbounds i8, ptr %4, i64 16
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef @.str)
          to label %29 unwind label %45

29:                                               ; preds = %26
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef @.str.11)
          to label %31 unwind label %45

31:                                               ; preds = %29
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %30, i32 noundef 1377)
          to label %33 unwind label %45

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef @.str.11)
          to label %35 unwind label %45

35:                                               ; preds = %33
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef @__func__._Z18tri_nodes_to_orderj)
          to label %37 unwind label %45

37:                                               ; preds = %35
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef @.str.12)
          to label %39 unwind label %45

39:                                               ; preds = %37
  %40 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef @.str.38)
          to label %41 unwind label %45

41:                                               ; preds = %39
  store i1 true, ptr %8, align 1
  %42 = call ptr @__cxa_allocate_exception(i64 16) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #6
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(128) %4)
          to label %43 unwind label %49

43:                                               ; preds = %41
  invoke void @_ZNSt13runtime_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %44 unwind label %53

44:                                               ; preds = %43
  store i1 false, ptr %8, align 1
  invoke void @__cxa_throw(ptr %42, ptr @_ZTISt13runtime_error, ptr @_ZNSt13runtime_errorD1Ev) #7
          to label %67 unwind label %53

45:                                               ; preds = %39, %37, %35, %33, %31, %29, %26
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %5, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %6, align 4
  br label %61

49:                                               ; preds = %41
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %5, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %6, align 4
  br label %57

53:                                               ; preds = %44, %43
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %5, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %57

57:                                               ; preds = %53, %49
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  %58 = load i1, ptr %8, align 1
  br i1 %58, label %59, label %60

59:                                               ; preds = %57
  call void @__cxa_free_exception(ptr %42) #6
  br label %60

60:                                               ; preds = %59, %57
  br label %61

61:                                               ; preds = %60, %45
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4) #6
  call void @llvm.lifetime.end.p0(i64 392, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %62

62:                                               ; preds = %61
  %63 = load ptr, ptr %5, align 8
  %64 = load i32, ptr %6, align 4
  %65 = insertvalue { ptr, i32 } poison, ptr %63, 0
  %66 = insertvalue { ptr, i32 } %65, i32 %64, 1
  resume { ptr, i32 } %66

67:                                               ; preds = %44
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { "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 "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 = { 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 #6 = { nounwind }
attributes #7 = { noreturn }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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 [63 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [3 x i8], align 1
@_ZTISt13runtime_error = external constant ptr
@__func__._Z18tri_nodes_to_orderj = external hidden unnamed_addr constant [19 x i8], align 1
@.str.38 = external hidden unnamed_addr constant [39 x i8], align 1

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

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 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

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; 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 #1 align 2

declare void @_ZNSt13runtime_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 -2147483648, 20) i32 @_Z18tri_nodes_to_orderj(i32 noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  switch i32 %0, label %5 [
    i32 1, label %4
    i32 3, label %.fold.split
    i32 6, label %.fold.split22
    i32 10, label %.fold.split23
    i32 15, label %.fold.split24
    i32 21, label %.fold.split25
    i32 28, label %.fold.split26
    i32 36, label %.fold.split27
    i32 45, label %.fold.split28
    i32 55, label %.fold.split29
    i32 66, label %.fold.split30
    i32 78, label %.fold.split31
    i32 91, label %.fold.split32
    i32 105, label %.fold.split33
    i32 120, label %.fold.split34
    i32 136, label %.fold.split35
    i32 153, label %.fold.split36
    i32 171, label %.fold.split37
    i32 190, label %.fold.split38
    i32 210, label %.fold.split39
  ]

.fold.split:                                      ; preds = %1
  br label %4

.fold.split22:                                    ; preds = %1
  br label %4

.fold.split23:                                    ; preds = %1
  br label %4

.fold.split24:                                    ; preds = %1
  br label %4

.fold.split25:                                    ; preds = %1
  br label %4

.fold.split26:                                    ; preds = %1
  br label %4

.fold.split27:                                    ; preds = %1
  br label %4

.fold.split28:                                    ; preds = %1
  br label %4

.fold.split29:                                    ; preds = %1
  br label %4

.fold.split30:                                    ; preds = %1
  br label %4

.fold.split31:                                    ; preds = %1
  br label %4

.fold.split32:                                    ; preds = %1
  br label %4

.fold.split33:                                    ; preds = %1
  br label %4

.fold.split34:                                    ; preds = %1
  br label %4

.fold.split35:                                    ; preds = %1
  br label %4

.fold.split36:                                    ; preds = %1
  br label %4

.fold.split37:                                    ; preds = %1
  br label %4

.fold.split38:                                    ; preds = %1
  br label %4

.fold.split39:                                    ; preds = %1
  br label %4

4:                                                ; preds = %1, %.fold.split39, %.fold.split38, %.fold.split37, %.fold.split36, %.fold.split35, %.fold.split34, %.fold.split33, %.fold.split32, %.fold.split31, %.fold.split30, %.fold.split29, %.fold.split28, %.fold.split27, %.fold.split26, %.fold.split25, %.fold.split24, %.fold.split23, %.fold.split22, %.fold.split
  %.012.lcssa21 = phi i32 [ 0, %1 ], [ 1, %.fold.split ], [ 2, %.fold.split22 ], [ 3, %.fold.split23 ], [ 4, %.fold.split24 ], [ 5, %.fold.split25 ], [ 6, %.fold.split26 ], [ 7, %.fold.split27 ], [ 8, %.fold.split28 ], [ 9, %.fold.split29 ], [ 10, %.fold.split30 ], [ 11, %.fold.split31 ], [ 12, %.fold.split32 ], [ 13, %.fold.split33 ], [ 14, %.fold.split34 ], [ 15, %.fold.split35 ], [ 16, %.fold.split36 ], [ 17, %.fold.split37 ], [ 18, %.fold.split38 ], [ 19, %.fold.split39 ]
  ret i32 %.012.lcssa21

5:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 392, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %2)
  %6 = getelementptr inbounds i8, ptr %2, i64 16
  %7 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull @.str)
          to label %8 unwind label %25

8:                                                ; preds = %5
  %9 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull @.str.11)
          to label %10 unwind label %25

10:                                               ; preds = %8
  %11 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %9, i32 noundef 1377)
          to label %12 unwind label %25

12:                                               ; preds = %10
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull @.str.11)
          to label %14 unwind label %25

14:                                               ; preds = %12
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull @__func__._Z18tri_nodes_to_orderj)
          to label %16 unwind label %25

16:                                               ; preds = %14
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @.str.12)
          to label %18 unwind label %25

18:                                               ; preds = %16
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull @.str.38)
          to label %20 unwind label %25

20:                                               ; preds = %18
  %21 = call ptr @__cxa_allocate_exception(i64 16) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(128) %2)
          to label %22 unwind label %.thread

22:                                               ; preds = %20
  invoke void @_ZNSt13runtime_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %24 unwind label %.thread18

.thread18:                                        ; preds = %22
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %30

24:                                               ; preds = %22
  invoke void @__cxa_throw(ptr nonnull %21, ptr nonnull @_ZTISt13runtime_error, ptr nonnull @_ZNSt13runtime_errorD1Ev) #7
          to label %32 unwind label %28

25:                                               ; preds = %18, %16, %14, %12, %10, %8, %5
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %31

.thread:                                          ; preds = %20
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %30

28:                                               ; preds = %24
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %31

30:                                               ; preds = %.thread18, %.thread
  %.pn17 = phi { ptr, i32 } [ %27, %.thread ], [ %23, %.thread18 ]
  call void @__cxa_free_exception(ptr %21) #6
  br label %31

31:                                               ; preds = %28, %30, %25
  %.pn.pn = phi { ptr, i32 } [ %.pn17, %30 ], [ %29, %28 ], [ %26, %25 ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %2) #6
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %2) #6
  resume { ptr, i32 } %.pn.pn

32:                                               ; preds = %24
  unreachable
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { "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 "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 = { 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 #6 = { nounwind }
attributes #7 = { noreturn }

!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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,SCCPPass,SROAPass,SimplifyCFGPass