; LLVM IR from turi-code/SFrame :: oss_test/random/test_alias.ll (Z13count_samplesmSt6vectorIdSaIdEE)

; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.graphlab::random::alias_sampler" = type { %"class.std::vector.0", %"class.std::vector", i64 }
%"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.std::allocator.2" = type { i8 }

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) #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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare void @_ZN8graphlab6random13alias_samplerC1ERKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2

declare noundef i64 @_ZN8graphlab6random13alias_sampler6sampleEv(ptr noundef nonnull align 8 dereferenceable(56)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13count_samplesmSt6vectorIdSaIdEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8 %0, i64 noundef %1, ptr noundef %2) #4 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.graphlab::random::alias_sampler", align 8
  %8 = alloca i1, align 1
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  store ptr %0, ptr %4, align 8
  store i64 %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 56, ptr %7) #5
  call void @_ZN8graphlab6random13alias_samplerC1ERKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 8 dereferenceable(24) %2)
  store i1 false, ptr %8, align 1
  %13 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %14 unwind label %20

14:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %30, %14
  %16 = load i64, ptr %12, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = icmp ult i64 %16, %17
  br i1 %18, label %24, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %37

20:                                               ; preds = %3
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %10, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %11, align 4
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %41

24:                                               ; preds = %15
  %25 = invoke noundef i64 @_ZN8graphlab6random13alias_sampler6sampleEv(ptr noundef nonnull align 8 dereferenceable(56) %7)
          to label %26 unwind label %33

26:                                               ; preds = %24
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %25) #5
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = add i64 %28, 1
  store i64 %29, ptr %27, align 8, !tbaa !5
  br label %30

30:                                               ; preds = %26
  %31 = load i64, ptr %12, align 8, !tbaa !5
  %32 = add i64 %31, 1
  store i64 %32, ptr %12, align 8, !tbaa !5
  br label %15, !llvm.loop !11

33:                                               ; preds = %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %10, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %41

37:                                               ; preds = %19
  store i1 true, ptr %8, align 1
  %38 = load i1, ptr %8, align 1
  br i1 %38, label %40, label %39

39:                                               ; preds = %37
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %40

40:                                               ; preds = %39, %37
  call void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #5
  ret void

41:                                               ; preds = %33, %20
  call void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #5
  br label %42

42:                                               ; preds = %41
  %43 = load ptr, ptr %10, align 8
  %44 = load i32, ptr %11, align 4
  %45 = insertvalue { ptr, i32 } poison, ptr %43, 0
  %46 = insertvalue { ptr, i32 } %45, i32 %44, 1
  resume { ptr, i32 } %46
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 = { "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 = { 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 #4 = { 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 #5 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.graphlab::random::alias_sampler" = type { %"class.std::vector.0", %"class.std::vector", i64 }
%"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.std::allocator.2" = type { i8 }

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) #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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

declare void @_ZN8graphlab6random13alias_samplerC1ERKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2

declare noundef i64 @_ZN8graphlab6random13alias_sampler6sampleEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13count_samplesmSt6vectorIdSaIdEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8 %0, i64 noundef %1, ptr noundef nonnull %2) local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.graphlab::random::alias_sampler", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %4) #5
  call void @_ZN8graphlab6random13alias_samplerC1ERKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 8 dereferenceable(24) %2)
  %6 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %6, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %7 unwind label %8

7:                                                ; preds = %3
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

8:                                                ; preds = %3
  %9 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %18

.lr.ph:                                           ; preds = %7, %11
  %.08 = phi i64 [ %15, %11 ], [ 0, %7 ]
  %10 = invoke noundef i64 @_ZN8graphlab6random13alias_sampler6sampleEv(ptr noundef nonnull align 8 dereferenceable(56) %4)
          to label %11 unwind label %16

11:                                               ; preds = %.lr.ph
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #5
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = add i64 %13, 1
  store i64 %14, ptr %12, align 8, !tbaa !5
  %15 = add nuw i64 %.08, 1
  %exitcond.not = icmp eq i64 %15, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

16:                                               ; preds = %.lr.ph
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %18

._crit_edge:                                      ; preds = %11, %7
  call void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #5
  ret void

18:                                               ; preds = %16, %8
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %9, %8 ]
  call void @_ZN8graphlab6random13alias_samplerD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = { "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 = { 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 #4 = { 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 #5 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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