; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Graphics/R3SceneElement.ll (ZN14R3SceneElement10UpdateBBoxEv)

; 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.R3Box = type { %class.R3Solid, %class.R3Point, %class.R3Point }
%class.R3Solid = type { %class.R3Shape }
%class.R3Shape = type { ptr }
%class.R3Point = type { [3 x double] }
%class.R3SceneElement = type { ptr, ptr, %class.RNArray, i32, %class.R3Box }
%class.RNArray = type { %class.RNVArray }
%class.RNVArray = type { ptr, i32, i32 }

@R3null_box = external global %class.R3Box, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind
declare void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNK14R3SceneElement7NShapesEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZNK14R3SceneElement5ShapeEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14R3SceneElement10UpdateBBoxEv(ptr noundef nonnull align 8 dereferenceable(96) %0) #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca %class.R3Box, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  %9 = getelementptr inbounds %class.R3SceneElement, ptr %8, i32 0, i32 4
  %10 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZN5R3BoxaSERKS_(ptr noundef nonnull align 8 dereferenceable(56) %9, ptr noundef nonnull align 8 dereferenceable(56) @R3null_box)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %25, %1
  %12 = load i32, ptr %3, align 4, !tbaa !9
  %13 = call noundef i32 @_ZNK14R3SceneElement7NShapesEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %32

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = call noundef ptr @_ZNK14R3SceneElement5ShapeEi(ptr noundef nonnull align 8 dereferenceable(96) %8, i32 noundef %17)
  store ptr %18, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %class.R3SceneElement, ptr %8, i32 0, i32 4
  call void @llvm.lifetime.start.p0(i64 56, ptr %5) #5
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = getelementptr inbounds ptr, ptr %21, i64 17
  %23 = load ptr, ptr %22, align 8
  call void %23(ptr dead_on_unwind writable sret(%class.R3Box) align 8 %5, ptr noundef nonnull align 8 dereferenceable(8) %20)
  invoke void @_ZN5R3Box5UnionERKS_(ptr noundef nonnull align 8 dereferenceable(56) %19, ptr noundef nonnull align 8 dereferenceable(56) %5)
          to label %24 unwind label %28

24:                                               ; preds = %16
  call void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %3, align 4, !tbaa !9
  br label %11, !llvm.loop !13

28:                                               ; preds = %16
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %6, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %7, align 4
  call void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %33

32:                                               ; preds = %15
  ret void

33:                                               ; preds = %28
  %34 = load ptr, ptr %6, align 8
  %35 = load i32, ptr %7, align 4
  %36 = insertvalue { ptr, i32 } poison, ptr %34, 0
  %37 = insertvalue { ptr, i32 } %36, i32 %35, 1
  resume { ptr, i32 } %37
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZN5R3BoxaSERKS_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

declare void @_ZN5R3Box5UnionERKS_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 = { 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 #4 = { "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 #5 = { 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, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%class.R3Box = type { %class.R3Solid, %class.R3Point, %class.R3Point }
%class.R3Solid = type { %class.R3Shape }
%class.R3Shape = type { ptr }
%class.R3Point = type { [3 x double] }

@R3null_box = external global %class.R3Box, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind
declare void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNK14R3SceneElement7NShapesEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZNK14R3SceneElement5ShapeEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14R3SceneElement10UpdateBBoxEv(ptr noundef nonnull align 8 dereferenceable(96) %0) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %class.R3Box, align 8
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = tail call noundef nonnull align 8 dereferenceable(56) ptr @_ZN5R3BoxaSERKS_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 8 dereferenceable(56) @R3null_box)
  %5 = tail call noundef i32 @_ZNK14R3SceneElement7NShapesEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %11, %1
  ret void

.lr.ph:                                           ; preds = %1, %11
  %.06 = phi i32 [ %12, %11 ], [ 0, %1 ]
  %7 = call noundef ptr @_ZNK14R3SceneElement5ShapeEi(ptr noundef nonnull align 8 dereferenceable(96) %0, i32 noundef %.06)
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %2) #5
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 136
  %10 = load ptr, ptr %9, align 8
  call void %10(ptr dead_on_unwind nonnull writable sret(%class.R3Box) align 8 %2, ptr noundef nonnull align 8 dereferenceable(8) %7)
  invoke void @_ZN5R3Box5UnionERKS_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 8 dereferenceable(56) %2)
          to label %11 unwind label %15

11:                                               ; preds = %.lr.ph
  call void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %2) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %2) #5
  %12 = add nuw nsw i32 %.06, 1
  %13 = call noundef i32 @_ZNK14R3SceneElement7NShapesEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !8

15:                                               ; preds = %.lr.ph
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7R3SolidD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %2) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %2) #5
  resume { ptr, i32 } %16
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZN5R3BoxaSERKS_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

declare void @_ZN5R3Box5UnionERKS_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 = { 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 #4 = { "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 #5 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass