; LLVM IR from aap/librw :: src/frame.ll (ZN2rw5Frame7destroyEv)

; 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"

%"struct.rw::PluginList" = type { i32, i32, %"struct.rw::LinkList" }
%"struct.rw::LinkList" = type { %"struct.rw::LLLink" }
%"struct.rw::LLLink" = type { ptr, ptr }
%"struct.rw::MemoryFunctions" = type { ptr, ptr, ptr, ptr, ptr }
%"struct.rw::Frame" = type { %"struct.rw::Object", %"struct.rw::LLLink", %"struct.rw::LinkList", %"struct.rw::Matrix", %"struct.rw::Matrix", ptr, ptr, ptr }
%"struct.rw::Object" = type { i8, i8, i8, i8, ptr }
%"struct.rw::Matrix" = type { %"struct.rw::V3d", i32, %"struct.rw::V3d", i32, %"struct.rw::V3d", i32, %"struct.rw::V3d", i32 }
%"struct.rw::V3d" = type { float, float, float }

@_ZN2rw5Frame12numAllocatedE = external dso_local global i32, align 4
@_ZN2rw5Frame9s_plglistE = external dso_local global %"struct.rw::PluginList", align 8
@_ZN2rw6Engine8memfuncsE = external global %"struct.rw::MemoryFunctions", align 8

; 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
define dso_local void @_ZN2rw5Frame7destroyEv(ptr noundef nonnull align 8 dereferenceable(200) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %7 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 2
  %8 = getelementptr inbounds %"struct.rw::LinkList", ptr %7, i32 0, i32 0
  %9 = getelementptr inbounds %"struct.rw::LLLink", ptr %8, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  store ptr %10, ptr %4, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %23, %1
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.rw::LLLink", ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !18
  store ptr %14, ptr %3, align 8, !tbaa !5
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 2
  %17 = call noundef ptr @_ZN2rw8LinkList3endEv(ptr noundef nonnull align 8 dereferenceable(16) %16)
  %18 = icmp ne ptr %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %25

20:                                               ; preds = %11
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = call noundef ptr @_ZN2rw15ObjectWithFrame9fromFrameEPNS_6LLLinkE(ptr noundef %21)
  call void @_ZN2rw15ObjectWithFrame8setFrameEPNS_5FrameE(ptr noundef nonnull align 8 dereferenceable(40) %22, ptr noundef null)
  br label %23

23:                                               ; preds = %20
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %24, ptr %4, align 8, !tbaa !5
  br label %11, !llvm.loop !19

25:                                               ; preds = %19
  call void @_ZN2rw10PluginList8destructEPv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN2rw5Frame9s_plglistE, ptr noundef %6)
  %26 = call noundef ptr @_ZNK2rw5Frame9getParentEv(ptr noundef nonnull align 8 dereferenceable(200) %6)
  %27 = icmp ne ptr %26, null
  br i1 %27, label %28, label %30

28:                                               ; preds = %25
  %29 = call noundef ptr @_ZN2rw5Frame11removeChildEv(ptr noundef nonnull align 8 dereferenceable(200) %6)
  br label %30

30:                                               ; preds = %28, %25
  %31 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 0
  %32 = getelementptr inbounds %"struct.rw::Object", ptr %31, i32 0, i32 3
  %33 = load i8, ptr %32, align 1, !tbaa !21
  %34 = zext i8 %33 to i32
  %35 = and i32 %34, 3
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %37, label %39

37:                                               ; preds = %30
  %38 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 1
  call void @_ZN2rw6LLLink6removeEv(ptr noundef nonnull align 8 dereferenceable(16) %38)
  br label %39

39:                                               ; preds = %37, %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %40 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 5
  %41 = load ptr, ptr %40, align 8, !tbaa !22
  store ptr %41, ptr %5, align 8, !tbaa !5
  br label %42

42:                                               ; preds = %50, %39
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = icmp ne ptr %43, null
  br i1 %44, label %46, label %45

45:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %54

46:                                               ; preds = %42
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = getelementptr inbounds %"struct.rw::Frame", ptr %47, i32 0, i32 0
  %49 = getelementptr inbounds %"struct.rw::Object", ptr %48, i32 0, i32 4
  store ptr null, ptr %49, align 8, !tbaa !23
  br label %50

50:                                               ; preds = %46
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  %52 = getelementptr inbounds %"struct.rw::Frame", ptr %51, i32 0, i32 6
  %53 = load ptr, ptr %52, align 8, !tbaa !24
  store ptr %53, ptr %5, align 8, !tbaa !5
  br label %42, !llvm.loop !25

54:                                               ; preds = %45
  %55 = load ptr, ptr getelementptr inbounds (%"struct.rw::MemoryFunctions", ptr @_ZN2rw6Engine8memfuncsE, i32 0, i32 2), align 8, !tbaa !26
  call void %55(ptr noundef %6)
  %56 = load i32, ptr @_ZN2rw5Frame12numAllocatedE, align 4, !tbaa !28
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr @_ZN2rw5Frame12numAllocatedE, align 4, !tbaa !28
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw8LinkList3endEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw15ObjectWithFrame9fromFrameEPNS_6LLLinkE(ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2rw15ObjectWithFrame8setFrameEPNS_5FrameE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) #1 align 2

declare void @_ZN2rw10PluginList8destructEPv(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2rw5Frame9getParentEv(ptr noundef nonnull align 8 dereferenceable(200)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN2rw5Frame11removeChildEv(ptr noundef nonnull align 8 dereferenceable(200)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2rw6LLLink6removeEv(ptr noundef nonnull align 8 dereferenceable(16)) #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 = { "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 }

!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, !6, i64 32}
!10 = !{!"_ZTSN2rw5FrameE", !11, i64 0, !12, i64 16, !13, i64 32, !14, i64 48, !14, i64 112, !6, i64 176, !6, i64 184, !6, i64 192}
!11 = !{!"_ZTSN2rw6ObjectE", !7, i64 0, !7, i64 1, !7, i64 2, !7, i64 3, !6, i64 8}
!12 = !{!"_ZTSN2rw6LLLinkE", !6, i64 0, !6, i64 8}
!13 = !{!"_ZTSN2rw8LinkListE", !12, i64 0}
!14 = !{!"_ZTSN2rw6MatrixE", !15, i64 0, !17, i64 12, !15, i64 16, !17, i64 28, !15, i64 32, !17, i64 44, !15, i64 48, !17, i64 60}
!15 = !{!"_ZTSN2rw3V3dE", !16, i64 0, !16, i64 4, !16, i64 8}
!16 = !{!"float", !7, i64 0}
!17 = !{!"int", !7, i64 0}
!18 = !{!12, !6, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = !{!10, !7, i64 3}
!22 = !{!10, !6, i64 176}
!23 = !{!10, !6, i64 8}
!24 = !{!10, !6, i64 184}
!25 = distinct !{!25, !20}
!26 = !{!27, !6, i64 16}
!27 = !{!"_ZTSN2rw15MemoryFunctionsE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!28 = !{!17, !17, i64 0}


; 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"

%"struct.rw::PluginList" = type { i32, i32, %"struct.rw::LinkList" }
%"struct.rw::LinkList" = type { %"struct.rw::LLLink" }
%"struct.rw::LLLink" = type { ptr, ptr }
%"struct.rw::MemoryFunctions" = type { ptr, ptr, ptr, ptr, ptr }

@_ZN2rw5Frame12numAllocatedE = external dso_local local_unnamed_addr global i32, align 4
@_ZN2rw5Frame9s_plglistE = external dso_local global %"struct.rw::PluginList", align 8
@_ZN2rw6Engine8memfuncsE = external local_unnamed_addr global %"struct.rw::MemoryFunctions", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2rw5Frame7destroyEv(ptr noundef nonnull align 8 dereferenceable(200) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !17
  %5 = tail call noundef ptr @_ZN2rw8LinkList3endEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %.not12 = icmp eq ptr %3, %5
  br i1 %.not12, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  tail call void @_ZN2rw10PluginList8destructEPv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN2rw5Frame9s_plglistE, ptr noundef nonnull %0)
  %6 = tail call noundef ptr @_ZNK2rw5Frame9getParentEv(ptr noundef nonnull align 8 dereferenceable(200) %0)
  %.not9 = icmp eq ptr %6, null
  br i1 %.not9, label %13, label %11

.lr.ph:                                           ; preds = %1, %.lr.ph
  %7 = phi ptr [ %9, %.lr.ph ], [ %4, %1 ]
  %.0813 = phi ptr [ %7, %.lr.ph ], [ %3, %1 ]
  %8 = tail call noundef ptr @_ZN2rw15ObjectWithFrame9fromFrameEPNS_6LLLinkE(ptr noundef nonnull %.0813)
  tail call void @_ZN2rw15ObjectWithFrame8setFrameEPNS_5FrameE(ptr noundef nonnull align 8 dereferenceable(40) %8, ptr noundef null)
  %9 = load ptr, ptr %7, align 8, !tbaa !17
  %10 = tail call noundef ptr @_ZN2rw8LinkList3endEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %.not = icmp eq ptr %7, %10
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !18

11:                                               ; preds = %._crit_edge
  %12 = tail call noundef ptr @_ZN2rw5Frame11removeChildEv(ptr noundef nonnull align 8 dereferenceable(200) %0)
  br label %13

13:                                               ; preds = %11, %._crit_edge
  %14 = getelementptr inbounds i8, ptr %0, i64 3
  %15 = load i8, ptr %14, align 1, !tbaa !20
  %16 = and i8 %15, 3
  %.not10 = icmp eq i8 %16, 0
  br i1 %.not10, label %19, label %17

17:                                               ; preds = %13
  %18 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZN2rw6LLLink6removeEv(ptr noundef nonnull align 8 dereferenceable(16) %18)
  br label %19

19:                                               ; preds = %17, %13
  %20 = getelementptr inbounds i8, ptr %0, i64 176
  %.014 = load ptr, ptr %20, align 8, !tbaa !21
  %.not1115 = icmp eq ptr %.014, null
  br i1 %.not1115, label %._crit_edge19, label %.lr.ph18

._crit_edge19:                                    ; preds = %.lr.ph18, %19
  %21 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN2rw6Engine8memfuncsE, i64 16), align 8, !tbaa !22
  tail call void %21(ptr noundef nonnull %0)
  %22 = load i32, ptr @_ZN2rw5Frame12numAllocatedE, align 4, !tbaa !24
  %23 = add nsw i32 %22, -1
  store i32 %23, ptr @_ZN2rw5Frame12numAllocatedE, align 4, !tbaa !24
  ret void

.lr.ph18:                                         ; preds = %19, %.lr.ph18
  %.016 = phi ptr [ %.0, %.lr.ph18 ], [ %.014, %19 ]
  %24 = getelementptr inbounds i8, ptr %.016, i64 8
  store ptr null, ptr %24, align 8, !tbaa !25
  %25 = getelementptr inbounds i8, ptr %.016, i64 184
  %.0 = load ptr, ptr %25, align 8, !tbaa !21
  %.not11 = icmp eq ptr %.0, null
  br i1 %.not11, label %._crit_edge19, label %.lr.ph18, !llvm.loop !26
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw8LinkList3endEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw15ObjectWithFrame9fromFrameEPNS_6LLLinkE(ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2rw15ObjectWithFrame8setFrameEPNS_5FrameE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) local_unnamed_addr #0 align 2

declare void @_ZN2rw10PluginList8destructEPv(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2rw5Frame9getParentEv(ptr noundef nonnull align 8 dereferenceable(200)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN2rw5Frame11removeChildEv(ptr noundef nonnull align 8 dereferenceable(200)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2rw6LLLink6removeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 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" }
attributes #2 = { "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, !10, i64 32}
!6 = !{!"_ZTSN2rw5FrameE", !7, i64 0, !11, i64 16, !12, i64 32, !13, i64 48, !13, i64 112, !10, i64 176, !10, i64 184, !10, i64 192}
!7 = !{!"_ZTSN2rw6ObjectE", !8, i64 0, !8, i64 1, !8, i64 2, !8, i64 3, !10, i64 8}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTSN2rw6LLLinkE", !10, i64 0, !10, i64 8}
!12 = !{!"_ZTSN2rw8LinkListE", !11, i64 0}
!13 = !{!"_ZTSN2rw6MatrixE", !14, i64 0, !16, i64 12, !14, i64 16, !16, i64 28, !14, i64 32, !16, i64 44, !14, i64 48, !16, i64 60}
!14 = !{!"_ZTSN2rw3V3dE", !15, i64 0, !15, i64 4, !15, i64 8}
!15 = !{!"float", !8, i64 0}
!16 = !{!"int", !8, i64 0}
!17 = !{!11, !10, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = !{!6, !8, i64 3}
!21 = !{!10, !10, i64 0}
!22 = !{!23, !10, i64 16}
!23 = !{!"_ZTSN2rw15MemoryFunctionsE", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!24 = !{!16, !16, i64 0}
!25 = !{!6, !10, i64 8}
!26 = distinct !{!26, !19}


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