; LLVM IR from erwincoumans/tiny-differentiable-simulator :: src/visualizer/opengl (tiny_gl_instancing_renderer)

; 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.TinyGLInstancingRenderer = type <{ ptr, %"class.std::vector", ptr, i8, i8, [2 x i8], i32, i32, i32, i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<b3GraphicsInstance *, std::allocator<b3GraphicsInstance *>>::_Vector_impl" }
%"struct.std::_Vector_base<b3GraphicsInstance *, std::allocator<b3GraphicsInstance *>>::_Vector_impl" = type { %"struct.std::_Vector_base<b3GraphicsInstance *, std::allocator<b3GraphicsInstance *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<b3GraphicsInstance *, std::allocator<b3GraphicsInstance *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.InternalDataRenderer = type <{ %struct.GLInstanceRendererInternalData.base, [4 x i8], %struct.TinyCamera, ptr, [16 x float], [16 x float], [16 x float], [16 x float], [16 x float], i8, [3 x i8], %"struct.TINY::TinyVector3", %"struct.TINY::TinyVector3", i32, %"class.std::vector.5", ptr, i32, i32, %class.TinyResizablePool, i32, i32, float, i8, [3 x i8] }>
%struct.GLInstanceRendererInternalData.base = type <{ %"class.std::vector.0", %"class.std::vector.0", %"class.std::vector.0", %"class.std::vector.0", i32, i32, i32, i32, i32 }>
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.TinyCamera = type { ptr, ptr }
%"struct.TINY::TinyVector3" = type { float, float, float, i32 }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<InternalTextureHandle, std::allocator<InternalTextureHandle>>::_Vector_impl" }
%"struct.std::_Vector_base<InternalTextureHandle, std::allocator<InternalTextureHandle>>::_Vector_impl" = type { %"struct.std::_Vector_base<InternalTextureHandle, std::allocator<InternalTextureHandle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<InternalTextureHandle, std::allocator<InternalTextureHandle>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.TinyResizablePool = type { ptr, %"class.std::vector.10", i32, i32 }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>, std::allocator<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>>>::_Vector_impl" }
%"struct.std::_Vector_base<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>, std::allocator<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>>>::_Vector_impl" = type { %"struct.std::_Vector_base<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>, std::allocator<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>, std::allocator<TinyPoolBodyHandle<TinyPublicGraphicsInstanceData>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.TinyPublicGraphicsInstanceData = type { i32, i32, [4 x float], [4 x float], [4 x float], [4 x float] }
%struct.b3GraphicsInstance = type <{ i32, i32, i32, i32, i32, i32, %"class.std::vector.15", i32, i32, i32, float, %"struct.TINY::TinyVector3", i32, [4 x i8] }>
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [130 x i8], align 1
@__PRETTY_FUNCTION__._ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii = external hidden unnamed_addr constant [84 x i8], align 1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP18b3GraphicsInstanceSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 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 noundef ptr @_ZN17TinyResizablePoolI18TinyPoolBodyHandleI30TinyPublicGraphicsInstanceDataEE10get_handleEi(ptr noundef nonnull align 8 dereferenceable(40), i32 noundef) #2 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii(ptr noundef nonnull align 8 dereferenceable(60) %0, i32 noundef %1, i32 noundef %2) unnamed_addr #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %12 = getelementptr inbounds %class.TinyGLInstancingRenderer, ptr %11, i32 0, i32 2
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  %14 = getelementptr inbounds %struct.InternalDataRenderer, ptr %13, i32 0, i32 18
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = call noundef ptr @_ZN17TinyResizablePoolI18TinyPoolBodyHandleI30TinyPublicGraphicsInstanceDataEE10get_handleEi(ptr noundef nonnull align 8 dereferenceable(40) %14, i32 noundef %15)
  store ptr %16, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %20

19:                                               ; preds = %3
  br label %22

20:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 482, ptr noundef @__PRETTY_FUNCTION__._ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii) #5
  unreachable

21:                                               ; No predecessors!
  br label %22

22:                                               ; preds = %21, %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.TinyPublicGraphicsInstanceData, ptr %23, i32 0, i32 1
  %25 = load i32, ptr %24, align 4, !tbaa !18
  store i32 %25, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.TinyPublicGraphicsInstanceData, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 4, !tbaa !20
  store i32 %28, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %29 = getelementptr inbounds %class.TinyGLInstancingRenderer, ptr %11, i32 0, i32 1
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP18b3GraphicsInstanceSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31) #4
  %33 = load ptr, ptr %32, align 8, !tbaa !5
  store ptr %33, ptr %10, align 8, !tbaa !5
  %34 = load i32, ptr %5, align 4, !tbaa !9
  %35 = and i32 %34, 4
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %37, label %42

37:                                               ; preds = %22
  %38 = load ptr, ptr %10, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.b3GraphicsInstance, ptr %38, i32 0, i32 12
  %40 = load i32, ptr %39, align 8, !tbaa !21
  %41 = or i32 %40, 4
  store i32 %41, ptr %39, align 8, !tbaa !21
  br label %47

42:                                               ; preds = %22
  %43 = load ptr, ptr %10, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.b3GraphicsInstance, ptr %43, i32 0, i32 12
  %45 = load i32, ptr %44, align 8, !tbaa !21
  %46 = and i32 %45, -5
  store i32 %46, ptr %44, align 8, !tbaa !21
  br label %47

47:                                               ; preds = %42, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret void
}

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 = { 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 #3 = { noreturn nounwind "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 = { nounwind }
attributes #5 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 32}
!12 = !{!"_ZTS24TinyGLInstancingRenderer", !13, i64 8, !6, i64 32, !17, i64 40, !17, i64 41, !10, i64 44, !10, i64 48, !10, i64 52, !10, i64 56}
!13 = !{!"_ZTSSt6vectorIP18b3GraphicsInstanceSaIS1_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"bool", !7, i64 0}
!18 = !{!19, !10, i64 4}
!19 = !{!"_ZTS30TinyPublicGraphicsInstanceData", !10, i64 0, !10, i64 4, !7, i64 8, !7, i64 24, !7, i64 40, !7, i64 56}
!20 = !{!19, !10, i64 0}
!21 = !{!22, !10, i64 80}
!22 = !{!"_ZTS18b3GraphicsInstance", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !23, i64 24, !10, i64 48, !10, i64 52, !10, i64 56, !27, i64 60, !28, i64 64, !10, i64 80}
!23 = !{!"_ZTSSt6vectorIiSaIiEE", !24, i64 0}
!24 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !25, i64 0}
!25 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !26, i64 0}
!26 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!27 = !{!"float", !7, i64 0}
!28 = !{!"_ZTSN4TINY11TinyVector3IfNS_10FloatUtilsEEE", !27, i64 0, !27, i64 4, !27, i64 8, !10, i64 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [130 x i8], align 1
@__PRETTY_FUNCTION__._ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii = external hidden unnamed_addr constant [84 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP18b3GraphicsInstanceSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN17TinyResizablePoolI18TinyPoolBodyHandleI30TinyPublicGraphicsInstanceDataEE10get_handleEi(ptr noundef nonnull align 8 dereferenceable(40), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii(ptr noundef nonnull align 8 dereferenceable(60) %0, i32 noundef %1, i32 noundef %2) unnamed_addr #1 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 544
  %7 = tail call noundef ptr @_ZN17TinyResizablePoolI18TinyPoolBodyHandleI30TinyPublicGraphicsInstanceDataEE10get_handleEi(ptr noundef nonnull align 8 dereferenceable(40) %6, i32 noundef %2)
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %8, label %9

8:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 482, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN24TinyGLInstancingRenderer34write_single_instance_flags_to_cpuEii) #3
  unreachable

9:                                                ; preds = %3
  %10 = load i32, ptr %7, align 4, !tbaa !16
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = sext i32 %10 to i64
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP18b3GraphicsInstanceSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %12) #4
  %14 = load ptr, ptr %13, align 8, !tbaa !18
  %15 = and i32 %1, 4
  %16 = getelementptr inbounds i8, ptr %14, i64 80
  %17 = load i32, ptr %16, align 8, !tbaa !19
  %18 = and i32 %17, -5
  %.sink = or disjoint i32 %18, %15
  store i32 %.sink, ptr %16, align 8, !tbaa !19
  ret void
}

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 = { 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 = { noreturn nounwind "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 = { noreturn nounwind }
attributes #4 = { 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, !11, i64 32}
!6 = !{!"_ZTS24TinyGLInstancingRenderer", !7, i64 8, !11, i64 32, !14, i64 40, !14, i64 41, !15, i64 44, !15, i64 48, !15, i64 52, !15, i64 56}
!7 = !{!"_ZTSSt6vectorIP18b3GraphicsInstanceSaIS1_EE", !8, i64 0}
!8 = !{!"_ZTSSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE", !9, i64 0}
!9 = !{!"_ZTSNSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE12_Vector_implE", !10, i64 0}
!10 = !{!"_ZTSNSt12_Vector_baseIP18b3GraphicsInstanceSaIS1_EE17_Vector_impl_dataE", !11, i64 0, !11, i64 8, !11, i64 16}
!11 = !{!"any pointer", !12, i64 0}
!12 = !{!"omnipotent char", !13, i64 0}
!13 = !{!"Simple C++ TBAA"}
!14 = !{!"bool", !12, i64 0}
!15 = !{!"int", !12, i64 0}
!16 = !{!17, !15, i64 0}
!17 = !{!"_ZTS30TinyPublicGraphicsInstanceData", !15, i64 0, !15, i64 4, !12, i64 8, !12, i64 24, !12, i64 40, !12, i64 56}
!18 = !{!11, !11, i64 0}
!19 = !{!20, !15, i64 80}
!20 = !{!"_ZTS18b3GraphicsInstance", !15, i64 0, !15, i64 4, !15, i64 8, !15, i64 12, !15, i64 16, !15, i64 20, !21, i64 24, !15, i64 48, !15, i64 52, !15, i64 56, !25, i64 60, !26, i64 64, !15, i64 80}
!21 = !{!"_ZTSSt6vectorIiSaIiEE", !22, i64 0}
!22 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !11, i64 0, !11, i64 8, !11, i64 16}
!25 = !{!"float", !12, i64 0}
!26 = !{!"_ZTSN4TINY11TinyVector3IfNS_10FloatUtilsEEE", !25, i64 0, !25, i64 4, !25, i64 8, !15, i64 12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass