; LLVM IR from kimwalisch/primesieve :: src/iterator.ll (ZN10primesieve8iteratoraSEOS0_)

; 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"

%"struct.primesieve::iterator" = type { i64, i64, i64, i64, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt14numeric_limitsImE3maxEv() #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZN10primesieve8iteratoraSEOS0_(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(48) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp ne ptr %5, %6
  br i1 %7, label %8, label %47

8:                                                ; preds = %2
  invoke void @_ZN12_GLOBAL__N_113freeAllMemoryEPN10primesieve8iteratorE(ptr noundef %5)
          to label %9 unwind label %48

9:                                                ; preds = %8
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"struct.primesieve::iterator", ptr %10, i32 0, i32 0
  %12 = load i64, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 0
  store i64 %12, ptr %13, align 8, !tbaa !9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %"struct.primesieve::iterator", ptr %14, i32 0, i32 1
  %16 = load i64, ptr %15, align 8, !tbaa !12
  %17 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 1
  store i64 %16, ptr %17, align 8, !tbaa !12
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"struct.primesieve::iterator", ptr %18, i32 0, i32 2
  %20 = load i64, ptr %19, align 8, !tbaa !13
  %21 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 2
  store i64 %20, ptr %21, align 8, !tbaa !13
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %"struct.primesieve::iterator", ptr %22, i32 0, i32 3
  %24 = load i64, ptr %23, align 8, !tbaa !14
  %25 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 3
  store i64 %24, ptr %25, align 8, !tbaa !14
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %"struct.primesieve::iterator", ptr %26, i32 0, i32 4
  %28 = load ptr, ptr %27, align 8, !tbaa !15
  %29 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 4
  store ptr %28, ptr %29, align 8, !tbaa !15
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %"struct.primesieve::iterator", ptr %30, i32 0, i32 5
  %32 = load ptr, ptr %31, align 8, !tbaa !16
  %33 = getelementptr inbounds %"struct.primesieve::iterator", ptr %5, i32 0, i32 5
  store ptr %32, ptr %33, align 8, !tbaa !16
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %"struct.primesieve::iterator", ptr %34, i32 0, i32 0
  store i64 0, ptr %35, align 8, !tbaa !9
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %"struct.primesieve::iterator", ptr %36, i32 0, i32 1
  store i64 0, ptr %37, align 8, !tbaa !12
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = getelementptr inbounds %"struct.primesieve::iterator", ptr %38, i32 0, i32 2
  store i64 0, ptr %39, align 8, !tbaa !13
  %40 = call noundef i64 @_ZNSt14numeric_limitsImE3maxEv() #2
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  %42 = getelementptr inbounds %"struct.primesieve::iterator", ptr %41, i32 0, i32 3
  store i64 %40, ptr %42, align 8, !tbaa !14
  %43 = load ptr, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds %"struct.primesieve::iterator", ptr %43, i32 0, i32 4
  store ptr null, ptr %44, align 8, !tbaa !15
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  %46 = getelementptr inbounds %"struct.primesieve::iterator", ptr %45, i32 0, i32 5
  store ptr null, ptr %46, align 8, !tbaa !16
  br label %47

47:                                               ; preds = %9, %2
  ret ptr %5

48:                                               ; preds = %8
  %49 = landingpad { ptr, i32 }
          catch ptr null
  %50 = extractvalue { ptr, i32 } %49, 0
  call void @__clang_call_terminate(ptr %50) #3
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_113freeAllMemoryEPN10primesieve8iteratorE(ptr noundef) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

attributes #0 = { 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 #1 = { noinline noreturn nounwind uwtable "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 }
attributes #3 = { noreturn 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, !11, i64 0}
!10 = !{!"_ZTSN10primesieve8iteratorE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !11, i64 16}
!14 = !{!10, !11, i64 24}
!15 = !{!10, !6, i64 32}
!16 = !{!10, !6, i64 40}


; 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt14numeric_limitsImE3maxEv() local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZN10primesieve8iteratoraSEOS0_(ptr noundef nonnull returned align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(48) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %.not = icmp eq ptr %0, %1
  br i1 %.not, label %13, label %3

3:                                                ; preds = %2
  tail call void @_ZN12_GLOBAL__N_113freeAllMemoryEPN10primesieve8iteratorE(ptr noundef nonnull %0)
  %4 = load <2 x i64>, ptr %1, align 8, !tbaa !5
  store <2 x i64> %4, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = getelementptr inbounds i8, ptr %1, i64 24
  %8 = load <2 x i64>, ptr %5, align 8, !tbaa !5
  store <2 x i64> %8, ptr %6, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 32
  %10 = getelementptr inbounds i8, ptr %0, i64 32
  %11 = load <2 x ptr>, ptr %9, align 8, !tbaa !9
  store <2 x ptr> %11, ptr %10, align 8, !tbaa !9
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %1, i8 0, i64 24, i1 false)
  %12 = tail call noundef i64 @_ZNSt14numeric_limitsImE3maxEv() #2
  store i64 %12, ptr %7, align 8, !tbaa !11
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %9, i8 0, i64 16, i1 false)
  br label %13

13:                                               ; preds = %3, %2
  ret ptr %0
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_113freeAllMemoryEPN10primesieve8iteratorE(ptr noundef) local_unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"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 = !{!12, !6, i64 24}
!12 = !{!"_ZTSN10primesieve8iteratorE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !10, i64 32, !10, i64 40}


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