; LLVM IR from aap/librw :: src/frame.ll (ZN2rw5Frame16setHierarchyRootEPS0_)

; 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::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::LLLink" = type { ptr, ptr }
%"struct.rw::LinkList" = type { %"struct.rw::LLLink" }
%"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 }

; 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 @_ZN2rw5Frame16setHierarchyRootEPS0_(ptr noundef nonnull align 8 dereferenceable(200) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 7
  store ptr %7, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %9 = getelementptr inbounds %"struct.rw::Frame", ptr %6, i32 0, i32 5
  %10 = load ptr, ptr %9, align 8, !tbaa !18
  store ptr %10, ptr %5, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %18, %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  br label %22

15:                                               ; preds = %11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN2rw5Frame16setHierarchyRootEPS0_(ptr noundef nonnull align 8 dereferenceable(200) %16, ptr noundef %17)
  br label %18

18:                                               ; preds = %15
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %"struct.rw::Frame", ptr %19, i32 0, i32 6
  %21 = load ptr, ptr %20, align 8, !tbaa !19
  store ptr %21, ptr %5, align 8, !tbaa !5
  br label %11, !llvm.loop !20

22:                                               ; preds = %14
  ret void
}

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 = { 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 192}
!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 = !{!10, !6, i64 176}
!19 = !{!10, !6, i64 184}
!20 = distinct !{!20, !21}
!21 = !{!"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"

; Function Attrs: mustprogress nofree nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @_ZN2rw5Frame16setHierarchyRootEPS0_(ptr nocapture noundef nonnull align 8 dereferenceable(200) %0, ptr noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 192
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 176
  %.06 = load ptr, ptr %4, align 8, !tbaa !17
  %.not7 = icmp eq ptr %.06, null
  br i1 %.not7, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.08 = phi ptr [ %.0, %.lr.ph ], [ %.06, %2 ]
  tail call void @_ZN2rw5Frame16setHierarchyRootEPS0_(ptr noundef nonnull align 8 dereferenceable(200) %.08, ptr noundef %1)
  %5 = getelementptr inbounds i8, ptr %.08, i64 184
  %.0 = load ptr, ptr %5, align 8, !tbaa !17
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !18
}

attributes #0 = { mustprogress nofree nosync nounwind memory(readwrite, inaccessiblemem: none) 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, !10, i64 192}
!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 = !{!10, !10, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


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