; LLVM IR from Py-Contributors/AlgorithmsAndDataStructure :: C++/Algorithms/DynamicPrograming/subsetsumcount.ll (Z14subsetSumCountSt6vectorIiSaIiEEii)

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca %"class.std::vector", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %16, label %17

16:                                               ; preds = %3
  store i1 true, ptr %4, align 1
  br label %59

17:                                               ; preds = %3
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %23, label %20

20:                                               ; preds = %17
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = icmp slt i32 %21, 0
  br i1 %22, label %23, label %24

23:                                               ; preds = %20, %17
  store i1 false, ptr %4, align 1
  br label %59

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %0)
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sub nsw i32 %25, 1
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %29)
          to label %31 unwind label %50

31:                                               ; preds = %24
  %32 = load i32, ptr %30, align 4, !tbaa !9
  %33 = sub nsw i32 %27, %32
  %34 = invoke noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef %9, i32 noundef %26, i32 noundef %33)
          to label %35 unwind label %50

35:                                               ; preds = %31
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %36 = zext i1 %34 to i8
  store i8 %36, ptr %8, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #3
  call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(24) %0)
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = sub nsw i32 %37, 1
  %39 = load i32, ptr %7, align 4, !tbaa !9
  %40 = invoke noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef %13, i32 noundef %38, i32 noundef %39)
          to label %41 unwind label %54

41:                                               ; preds = %35
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %42 = zext i1 %40 to i8
  store i8 %42, ptr %12, align 1, !tbaa !11
  %43 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %44 = trunc i8 %43 to i1
  br i1 %44, label %48, label %45

45:                                               ; preds = %41
  %46 = load i8, ptr %12, align 1, !tbaa !11, !range !13, !noundef !14
  %47 = trunc i8 %46 to i1
  br label %48

48:                                               ; preds = %45, %41
  %49 = phi i1 [ true, %41 ], [ %47, %45 ]
  store i1 %49, ptr %4, align 1
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  br label %59

50:                                               ; preds = %31, %24
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %10, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %11, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  br label %58

54:                                               ; preds = %35
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %10, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %11, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  br label %58

58:                                               ; preds = %54, %50
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  br label %61

59:                                               ; preds = %48, %23, %16
  %60 = load i1, ptr %4, align 1
  ret i1 %60

61:                                               ; preds = %58
  %62 = load ptr, ptr %10, align 8
  %63 = load i32, ptr %11, align 4
  %64 = insertvalue { ptr, i32 } poison, ptr %62, 0
  %65 = insertvalue { ptr, i32 } %64, i32 %63, 1
  resume { ptr, i32 } %65
}

; 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 dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

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 = { 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 = { 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 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = icmp eq i32 %2, 0
  br i1 %6, label %26, label %7

7:                                                ; preds = %3
  %8 = or i32 %2, %1
  %or.cond.not = icmp sgt i32 %8, -1
  br i1 %or.cond.not, label %9, label %26

9:                                                ; preds = %7
  call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %0)
  %10 = add nsw i32 %1, -1
  %11 = zext nneg i32 %1 to i64
  %12 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %11)
          to label %13 unwind label %21

13:                                               ; preds = %9
  %14 = load i32, ptr %12, align 4, !tbaa !5
  %15 = sub nsw i32 %2, %14
  %16 = invoke noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef nonnull %4, i32 noundef %10, i32 noundef %15)
          to label %17 unwind label %21

17:                                               ; preds = %13
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #2
  call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %0)
  %18 = invoke noundef zeroext i1 @_Z14subsetSumCountSt6vectorIiSaIiEEii(ptr noundef nonnull %5, i32 noundef %10, i32 noundef %2)
          to label %19 unwind label %23

19:                                               ; preds = %17
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #2
  %20 = or i1 %16, %18
  br label %26

21:                                               ; preds = %13, %9
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %25

23:                                               ; preds = %17
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %25

25:                                               ; preds = %23, %21
  %.sink = phi ptr [ %5, %23 ], [ %4, %21 ]
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.sink) #2
  resume { ptr, i32 } %.pn

26:                                               ; preds = %7, %3, %19
  %.0 = phi i1 [ %20, %19 ], [ true, %3 ], [ false, %7 ]
  ret i1 %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(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 = { 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass