; 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: 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 noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE8AllocateEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE5ClearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5o3dgc11LoadBinDataERNS_6VectorIlEERKNS_12BinaryStreamERm(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(28) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %13, ptr noundef nonnull align 8 dereferenceable(8) %14)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %16, ptr noundef nonnull align 8 dereferenceable(8) %17)
  store i64 %18, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = mul i64 %20, 7
  call void @_ZN5o3dgc6VectorIlE8AllocateEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %21)
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE5ClearEv(ptr noundef nonnull align 8 dereferenceable(24) %22)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %23

23:                                               ; preds = %48, %3
  %24 = load i64, ptr %9, align 8, !tbaa !9
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = icmp ult i64 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %49

28:                                               ; preds = %23
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = call noundef zeroext i8 @_ZNK5o3dgc12BinaryStream14ReadUCharASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %29, ptr noundef nonnull align 8 dereferenceable(8) %30)
  %32 = zext i8 %31 to i64
  store i64 %32, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  store i64 0, ptr %11, align 8, !tbaa !9
  br label %33

33:                                               ; preds = %45, %28
  %34 = load i64, ptr %11, align 8, !tbaa !9
  %35 = icmp ult i64 %34, 7
  br i1 %35, label %37, label %36

36:                                               ; preds = %33
  store i32 4, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %48

37:                                               ; preds = %33
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %39 = load i64, ptr %8, align 8, !tbaa !9
  %40 = and i64 %39, 1
  store i64 %40, ptr %12, align 8, !tbaa !9
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %38, ptr noundef nonnull align 8 dereferenceable(8) %12)
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  %41 = load i64, ptr %8, align 8, !tbaa !9
  %42 = ashr i64 %41, 1
  store i64 %42, ptr %8, align 8, !tbaa !9
  %43 = load i64, ptr %9, align 8, !tbaa !9
  %44 = add i64 %43, 1
  store i64 %44, ptr %9, align 8, !tbaa !9
  br label %45

45:                                               ; preds = %37
  %46 = load i64, ptr %11, align 8, !tbaa !9
  %47 = add i64 %46, 1
  store i64 %47, ptr %11, align 8, !tbaa !9
  br label %33, !llvm.loop !11

48:                                               ; preds = %36
  br label %23, !llvm.loop !13

49:                                               ; preds = %27
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret i32 0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZNK5o3dgc12BinaryStream14ReadUCharASCIIERm(ptr noundef nonnull align 8 dereferenceable(28), ptr noundef nonnull align 8 dereferenceable(8)) #2 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"}
!13 = distinct !{!13, !12}


; 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 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 uwtable
declare dso_local noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE8AllocateEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE5ClearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5o3dgc11LoadBinDataERNS_6VectorIlEERKNS_12BinaryStreamERm(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(28) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) local_unnamed_addr #1 {
  %4 = alloca i64, align 8
  %5 = tail call noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %6 = tail call noundef i64 @_ZNK5o3dgc12BinaryStream15ReadUInt32ASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %7 = mul i64 %6, 7
  tail call void @_ZN5o3dgc6VectorIlE8AllocateEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %7)
  tail call void @_ZN5o3dgc6VectorIlE5ClearEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret i32 0

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.01621 = phi i64 [ %23, %.lr.ph ], [ 0, %3 ]
  %8 = call noundef zeroext i8 @_ZNK5o3dgc12BinaryStream14ReadUCharASCIIERm(ptr noundef nonnull align 8 dereferenceable(28) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %9 = zext i8 %8 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %10 = and i64 %9, 1
  store i64 %10, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %11 = lshr i64 %9, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %12 = and i64 %11, 1
  store i64 %12, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %13 = lshr i64 %9, 2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %14 = and i64 %13, 1
  store i64 %14, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %15 = lshr i64 %9, 3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %16 = and i64 %15, 1
  store i64 %16, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %17 = lshr i64 %9, 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %18 = and i64 %17, 1
  store i64 %18, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %19 = lshr i64 %9, 5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %20 = and i64 %19, 1
  store i64 %20, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %21 = lshr i64 %9, 6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %22 = and i64 %21, 1
  store i64 %22, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc6VectorIlE8PushBackERKl(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %23 = add i64 %.01621, 7
  %24 = icmp ult i64 %23, %6
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZNK5o3dgc12BinaryStream14ReadUCharASCIIERm(ptr noundef nonnull align 8 dereferenceable(28), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress 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 = !{!"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: GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass