; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Shapes/R3TriangleArray.ll (ZN15R3TriangleArray6MirrorERK7R3Plane)

; 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.R3TriangleArray = type { %class.R3Surface, %class.RNArray, %class.RNArray.0, %class.R3Box }
%class.R3Surface = type { %class.R3Shape }
%class.R3Shape = type { ptr }
%class.RNArray = type { %class.RNVArray }
%class.RNVArray = type { ptr, i32, i32 }
%class.RNArray.0 = type { %class.RNVArray }
%class.R3Box = type { %class.R3Solid, %class.R3Point, %class.R3Point }
%class.R3Solid = type { %class.R3Shape }
%class.R3Point = type { [3 x double] }

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16)) #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 nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP10R3TriangleEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP16R3TriangleVertexEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15R3TriangleArray6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) unnamed_addr #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %20, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = getelementptr inbounds %class.R3TriangleArray, ptr %7, i32 0, i32 1
  %11 = call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %10)
  %12 = icmp slt i32 %9, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %23

14:                                               ; preds = %8
  %15 = getelementptr inbounds %class.R3TriangleArray, ptr %7, i32 0, i32 1
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP16R3TriangleVertexEixEi(ptr noundef nonnull align 8 dereferenceable(16) %15, i32 noundef %16)
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN16R3TriangleVertex6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(100) %18, ptr noundef nonnull align 8 dereferenceable(32) %19)
  br label %20

20:                                               ; preds = %14
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !11

23:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %38, %23
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = getelementptr inbounds %class.R3TriangleArray, ptr %7, i32 0, i32 2
  %27 = call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %26)
  %28 = icmp slt i32 %25, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %41

30:                                               ; preds = %24
  %31 = getelementptr inbounds %class.R3TriangleArray, ptr %7, i32 0, i32 2
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP10R3TriangleEixEi(ptr noundef nonnull align 8 dereferenceable(16) %31, i32 noundef %32)
  %34 = load ptr, ptr %33, align 8, !tbaa !5
  %35 = load ptr, ptr %34, align 8, !tbaa !13
  %36 = getelementptr inbounds ptr, ptr %35, i64 73
  %37 = load ptr, ptr %36, align 8
  call void %37(ptr noundef nonnull align 8 dereferenceable(132) %34)
  br label %38

38:                                               ; preds = %30
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %6, align 4, !tbaa !9
  br label %24, !llvm.loop !15

41:                                               ; preds = %29
  %42 = load ptr, ptr %7, align 8, !tbaa !13
  %43 = getelementptr inbounds ptr, ptr %42, i64 71
  %44 = load ptr, ptr %43, align 8
  call void %44(ptr noundef nonnull align 8 dereferenceable(96) %7)
  ret void
}

declare void @_ZN16R3TriangleVertex6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(100), ptr noundef nonnull align 8 dereferenceable(32)) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { "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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = distinct !{!15, !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"

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP10R3TriangleEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP16R3TriangleVertexEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15R3TriangleArray6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = tail call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %2
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = tail call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph10, label %._crit_edge

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.078 = phi i32 [ %11, %.lr.ph ], [ 0, %2 ]
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP16R3TriangleVertexEixEi(ptr noundef nonnull align 8 dereferenceable(16) %3, i32 noundef %.078)
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  tail call void @_ZN16R3TriangleVertex6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(100) %10, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %11 = add nuw nsw i32 %.078, 1
  %12 = tail call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph10, %.preheader
  %14 = load ptr, ptr %0, align 8, !tbaa !11
  %15 = getelementptr inbounds i8, ptr %14, i64 568
  %16 = load ptr, ptr %15, align 8
  tail call void %16(ptr noundef nonnull align 8 dereferenceable(96) %0)
  ret void

.lr.ph10:                                         ; preds = %.preheader, %.lr.ph10
  %.09 = phi i32 [ %22, %.lr.ph10 ], [ 0, %.preheader ]
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN7RNArrayIP10R3TriangleEixEi(ptr noundef nonnull align 8 dereferenceable(16) %6, i32 noundef %.09)
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = getelementptr inbounds i8, ptr %19, i64 584
  %21 = load ptr, ptr %20, align 8
  tail call void %21(ptr noundef nonnull align 8 dereferenceable(132) %18)
  %22 = add nuw nsw i32 %.09, 1
  %23 = tail call noundef i32 @_ZNK8RNVArray8NEntriesEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %.lr.ph10, label %._crit_edge, !llvm.loop !13
}

declare void @_ZN16R3TriangleVertex6MirrorERK7R3Plane(ptr noundef nonnull align 8 dereferenceable(100), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

attributes #0 = { inlinehint 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 = { "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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !10}


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