; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Shapes (R3MeshPropertySet)

; 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: mustprogress uwtable
define dso_local noundef i32 @_ZNK17R3MeshPropertySet13PropertyIndexEP14R3MeshProperty(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %27, %2
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = call noundef i32 @_ZNK17R3MeshPropertySet11NPropertiesEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  store i32 2, ptr %7, align 4
  br label %30

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = call noundef ptr @_ZNK17R3MeshPropertySet8PropertyEi(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef %16)
  store ptr %17, ptr %8, align 8, !tbaa !5
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = icmp eq ptr %18, %19
  br i1 %20, label %21, label %23

21:                                               ; preds = %15
  %22 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %22, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %24

23:                                               ; preds = %15
  store i32 0, ptr %7, align 4
  br label %24

24:                                               ; preds = %23, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %25 = load i32, ptr %7, align 4
  switch i32 %25, label %30 [
    i32 0, label %26
  ]

26:                                               ; preds = %24
  br label %27

27:                                               ; preds = %26
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %6, align 4, !tbaa !9
  br label %10, !llvm.loop !11

30:                                               ; preds = %24, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %31 = load i32, ptr %7, align 4
  switch i32 %31, label %35 [
    i32 2, label %32
    i32 1, label %33
  ]

32:                                               ; preds = %30
  store i32 -1, ptr %3, align 4
  br label %33

33:                                               ; preds = %32, %30
  %34 = load i32, ptr %3, align 4
  ret i32 %34

35:                                               ; preds = %30
  unreachable
}

; 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 @_ZNK17R3MeshPropertySet11NPropertiesEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZNK17R3MeshPropertySet8PropertyEi(ptr noundef nonnull align 8 dereferenceable(24), 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

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 = { 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 = { 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 = distinct !{!11, !12}
!12 = !{!"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 uwtable
define dso_local noundef i32 @_ZNK17R3MeshPropertySet13PropertyIndexEP14R3MeshProperty(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef readnone %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i32 @_ZNK17R3MeshPropertySet11NPropertiesEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not1213 = icmp sgt i32 %3, 0
  br i1 %.not1213, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %5
  %.01114 = phi i32 [ %6, %5 ], [ 0, %2 ]
  %4 = tail call noundef ptr @_ZNK17R3MeshPropertySet8PropertyEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %.01114)
  %.not = icmp eq ptr %4, %1
  br i1 %.not, label %._crit_edge, label %5

5:                                                ; preds = %.lr.ph
  %6 = add nuw nsw i32 %.01114, 1
  %7 = tail call noundef i32 @_ZNK17R3MeshPropertySet11NPropertiesEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not12 = icmp slt i32 %6, %7
  br i1 %.not12, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %5, %2
  %spec.select = phi i32 [ -1, %2 ], [ -1, %5 ], [ %.01114, %.lr.ph ]
  ret i32 %spec.select
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNK17R3MeshPropertySet11NPropertiesEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZNK17R3MeshPropertySet8PropertyEi(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) 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 = { 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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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