; 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 @_ZN5o3dgc11SaveBinDataERKNS_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
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = 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
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %11)
  store i64 %12, ptr %5, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %13, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call noundef i64 @_ZNK5o3dgc6VectorIlE7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(24) %14)
  store i64 %15, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %6, align 8, !tbaa !9
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEm(ptr noundef nonnull align 8 dereferenceable(28) %16, i64 noundef %17)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %18

18:                                               ; preds = %48, %2
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = icmp ult i64 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %52

23:                                               ; preds = %18
  store i64 0, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  store i64 0, ptr %10, align 8, !tbaa !9
  br label %24

24:                                               ; preds = %45, %23
  %25 = load i64, ptr %10, align 8, !tbaa !9
  %26 = icmp ult i64 %25, 7
  br i1 %26, label %27, label %31

27:                                               ; preds = %24
  %28 = load i64, ptr %8, align 8, !tbaa !9
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = icmp ult i64 %28, %29
  br label %31

31:                                               ; preds = %27, %24
  %32 = phi i1 [ false, %24 ], [ %30, %27 ]
  br i1 %32, label %34, label %33

33:                                               ; preds = %31
  store i32 4, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %48

34:                                               ; preds = %31
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = load i64, ptr %8, align 8, !tbaa !9
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24) %35, i64 noundef %36)
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = load i64, ptr %10, align 8, !tbaa !9
  %40 = shl i64 %38, %39
  %41 = load i64, ptr %7, align 8, !tbaa !9
  %42 = add nsw i64 %41, %40
  store i64 %42, ptr %7, align 8, !tbaa !9
  %43 = load i64, ptr %8, align 8, !tbaa !9
  %44 = add i64 %43, 1
  store i64 %44, ptr %8, align 8, !tbaa !9
  br label %45

45:                                               ; preds = %34
  %46 = load i64, ptr %10, align 8, !tbaa !9
  %47 = add i64 %46, 1
  store i64 %47, ptr %10, align 8, !tbaa !9
  br label %24, !llvm.loop !11

48:                                               ; preds = %33
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = load i64, ptr %7, align 8, !tbaa !9
  %51 = trunc i64 %50 to i8
  call void @_ZN5o3dgc12BinaryStream15WriteUCharASCIIEh(ptr noundef nonnull align 8 dereferenceable(28) %49, i8 noundef zeroext %51)
  br label %18, !llvm.loop !13

52:                                               ; preds = %22
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = load i64, ptr %5, align 8, !tbaa !9
  %55 = load ptr, ptr %4, align 8, !tbaa !5
  %56 = call noundef i64 @_ZNK5o3dgc12BinaryStream7GetSizeEv(ptr noundef nonnull align 8 dereferenceable(28) %55)
  %57 = load i64, ptr %5, align 8, !tbaa !9
  %58 = sub i64 %56, %57
  call void @_ZN5o3dgc12BinaryStream16WriteUInt32ASCIIEmm(ptr noundef nonnull align 8 dereferenceable(28) %53, i64 noundef %54, i64 noundef %58)
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  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 @_ZN5o3dgc12BinaryStream15WriteUCharASCIIEh(ptr noundef nonnull align 8 dereferenceable(28), i8 noundef zeroext) #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"}
!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 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 @_ZN5o3dgc11SaveBinDataERKNS_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 %.preheader

._crit_edge:                                      ; preds = %7, %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

7:                                                ; preds = %.preheader
  %8 = trunc i64 %12 to i8
  tail call void @_ZN5o3dgc12BinaryStream15WriteUCharASCIIEh(ptr noundef nonnull align 8 dereferenceable(28) %1, i8 noundef zeroext %8)
  br i1 %16, label %.preheader.backedge, label %._crit_edge

.preheader:                                       ; preds = %2, %.preheader.backedge
  %.026 = phi i64 [ %.026.be, %.preheader.backedge ], [ 0, %2 ]
  %.125 = phi i64 [ %13, %.preheader.backedge ], [ 0, %2 ]
  %.02224 = phi i64 [ %.02224.be, %.preheader.backedge ], [ 0, %2 ]
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK5o3dgc6VectorIlEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.125)
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = shl i64 %10, %.026
  %12 = add nsw i64 %11, %.02224
  %13 = add nuw i64 %.125, 1
  %14 = add nuw nsw i64 %.026, 1
  %15 = icmp ult i64 %.026, 6
  %16 = icmp ult i64 %13, %4
  %17 = select i1 %15, i1 %16, i1 false
  br i1 %17, label %.preheader.backedge, label %7

.preheader.backedge:                              ; preds = %.preheader, %7
  %.026.be = phi i64 [ %14, %.preheader ], [ 0, %7 ]
  %.02224.be = phi i64 [ %12, %.preheader ], [ 0, %7 ]
  br label %.preheader, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5o3dgc12BinaryStream15WriteUCharASCIIEh(ptr noundef nonnull align 8 dereferenceable(28), i8 noundef zeroext) 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,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass