; LLVM IR from wmcnamara/crynn :: lib/thirdparty/assimp/contrib/Open3DGC (o3dgcTriangleFans)

; 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"

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK5o3dgc6VectorIlE7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; 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 dso_local void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEmm(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5o3dgc11SaveIntDataERKNS_6VectorIlEERNS_12BinaryStreamE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(28) %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %8)
  store i64 %9, ptr %5, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %10, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNK5o3dgc6VectorIlE7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11)
  store i64 %12, ptr %6, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !9
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %13, i64 noundef %14)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %26, %2
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = load i64, ptr %6, align 8, !tbaa !9
  %18 = icmp ult i64 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %29

20:                                               ; preds = %15
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %23)
  %25 = load i64, ptr %24, align 8, !tbaa !9
  call void @_ZN5o3dgc12BinaryStream13WriteIntASCIIEl(ptr noundef nonnull align 8 dereferenceable(28) %21, i64 noundef %25)
  br label %26

26:                                               ; preds = %20
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %7, align 8, !tbaa !9
  br label %15, !llvm.loop !11

29:                                               ; preds = %19
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load i64, ptr %5, align 8, !tbaa !9
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %32)
  %34 = load i64, ptr %5, align 8, !tbaa !9
  %35 = sub i64 %33, %34
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEmm(ptr noundef nonnull align 8 dereferenceable(28) %30, i64 noundef %31, i64 noundef %35)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret i32 0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream13WriteIntASCIIEl(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef) #1 align 2

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 = { 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 = !{!"long", !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"

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK5o3dgc6VectorIlE7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEmm(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5o3dgc11SaveIntDataERKNS_6VectorIlEERNS_12BinaryStreamE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(28) %1) local_unnamed_addr #0 {
  %3 = tail call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %1)
  tail call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %1, i64 noundef 0)
  %4 = tail call noundef i64 @_ZNK5o3dgc6VectorIlE7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  tail call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %1, i64 noundef %4)
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  %5 = tail call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %1)
  %6 = sub i64 %5, %3
  tail call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEmm(ptr noundef nonnull align 8 dereferenceable(28) %1, i64 noundef %3, i64 noundef %6)
  ret i32 0

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.014 = phi i64 [ %9, %.lr.ph ], [ 0, %2 ]
  %7 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.014)
  %8 = load i64, ptr %7, align 8, !tbaa !5
  tail call void @_ZN5o3dgc12BinaryStream13WriteIntASCIIEl(ptr noundef nonnull align 8 dereferenceable(28) %1, i64 noundef %8)
  %9 = add nuw i64 %.014, 1
  %exitcond.not = icmp eq i64 %9, %4
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream13WriteIntASCIIEl(ptr noundef nonnull align 8 dereferenceable(28), i64 noundef) local_unnamed_addr #0 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" }

!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,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass