; LLVM IR from torressa/cspy :: src/cc/ref_callback.ll (ZN13bidirectional19additiveBackwardREFERKSt6vectorIdSaIdEES4_RKi)

; 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<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"struct.std::plus" = type { i8 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEENS1_IPKdS5_EES6_St4plusIdEET1_T_SD_T0_SC_T2_(ptr, ptr, ptr, ptr) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13bidirectional19additiveBackwardREFERKSt6vectorIdSaIdEES4_RKi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i1, align 1
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"struct.std::plus", align 1
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  store i1 false, ptr %9, align 1
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %18)
  %19 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  %21 = call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #2
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %12, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  %26 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %12, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8
  %36 = invoke ptr @_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEENS1_IPKdS5_EES6_St4plusIdEET1_T_SD_T0_SC_T2_(ptr %29, ptr %31, ptr %33, ptr %35)
          to label %37 unwind label %64

37:                                               ; preds = %4
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %36, ptr %38, align 8
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  %40 = load ptr, ptr %8, align 8, !tbaa !5
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %42) #2
  %44 = load double, ptr %43, align 8, !tbaa !11
  %45 = fcmp ogt double %44, 0.000000e+00
  br i1 %45, label %46, label %68

46:                                               ; preds = %37
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  %48 = load ptr, ptr %8, align 8, !tbaa !5
  %49 = load i32, ptr %48, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %50) #2
  %52 = load double, ptr %51, align 8, !tbaa !11
  %53 = load ptr, ptr %7, align 8, !tbaa !5
  %54 = load ptr, ptr %8, align 8, !tbaa !5
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %53, i64 noundef %56) #2
  %58 = load double, ptr %57, align 8, !tbaa !11
  %59 = fsub double %52, %58
  %60 = load ptr, ptr %8, align 8, !tbaa !5
  %61 = load i32, ptr %60, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %62) #2
  store double %59, ptr %63, align 8, !tbaa !11
  br label %80

64:                                               ; preds = %4
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %15, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %16, align 4
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %84

68:                                               ; preds = %37
  %69 = load ptr, ptr %6, align 8, !tbaa !5
  %70 = load ptr, ptr %8, align 8, !tbaa !5
  %71 = load i32, ptr %70, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %69, i64 noundef %72) #2
  %74 = load double, ptr %73, align 8, !tbaa !11
  %75 = fsub double %74, 1.000000e+00
  %76 = load ptr, ptr %8, align 8, !tbaa !5
  %77 = load i32, ptr %76, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %78) #2
  store double %75, ptr %79, align 8, !tbaa !11
  br label %80

80:                                               ; preds = %68, %46
  store i1 true, ptr %9, align 1
  %81 = load i1, ptr %9, align 1
  br i1 %81, label %83, label %82

82:                                               ; preds = %80
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %83

83:                                               ; preds = %82, %80
  ret void

84:                                               ; preds = %64
  %85 = load ptr, ptr %15, align 8
  %86 = load i32, ptr %16, align 4
  %87 = insertvalue { ptr, i32 } poison, ptr %85, 0
  %88 = insertvalue { ptr, i32 } %87, i32 %86, 1
  resume { ptr, i32 } %88
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}


; 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<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEENS1_IPKdS5_EES6_St4plusIdEET1_T_SD_T0_SC_T2_(ptr, ptr, ptr, ptr) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13bidirectional19additiveBackwardREFERKSt6vectorIdSaIdEES4_RKi(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1)
  %5 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %6 = tail call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %7 = tail call ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %8 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %9 = invoke ptr @_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEENS1_IPKdS5_EES6_St4plusIdEET1_T_SD_T0_SC_T2_(ptr %5, ptr %6, ptr %7, ptr %8)
          to label %10 unwind label %26

10:                                               ; preds = %4
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %12) #2
  %14 = load double, ptr %13, align 8, !tbaa !9
  %15 = fcmp ogt double %14, 0.000000e+00
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %17) #2
  %19 = load double, ptr %18, align 8, !tbaa !9
  br i1 %15, label %20, label %28

20:                                               ; preds = %10
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %22) #2
  %24 = load double, ptr %23, align 8, !tbaa !9
  %25 = fsub double %19, %24
  br label %30

26:                                               ; preds = %4
  %27 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  resume { ptr, i32 } %27

28:                                               ; preds = %10
  %29 = fadd double %19, -1.000000e+00
  br label %30

30:                                               ; preds = %20, %28
  %.sink = phi double [ %25, %20 ], [ %29, %28 ]
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %32) #2
  store double %.sink, ptr %33, align 8, !tbaa !9
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass