; LLVM IR from niessner/Matterport :: code/gaps/pkgs/RGBD/RGBDSurface.ll (ZN11RGBDSurface23InvalidateMeshFaceIndexEv)

; 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.RGBDSurface = type { ptr, ptr, i32, %class.RNArray, i32, i32, i32, ptr, ptr, %class.R2Box, i32, ptr, ptr, ptr }
%class.RNArray = type { %class.RNVArray }
%class.RNVArray = type { ptr, i32, i32 }
%class.R2Box = type { %class.R2Solid, %class.R2Point, %class.R2Point }
%class.R2Solid = type { %class.R2Shape }
%class.R2Shape = type { ptr }
%class.R2Point = type { [2 x double] }

; Function Attrs: nounwind
declare void @_ZN6R2GridD1Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11RGBDSurface23InvalidateMeshFaceIndexEv(ptr noundef nonnull align 8 dereferenceable(144) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.RGBDSurface, ptr %3, i32 0, i32 13
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  br label %15

8:                                                ; preds = %1
  %9 = getelementptr inbounds %class.RGBDSurface, ptr %3, i32 0, i32 13
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = icmp eq ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %8
  call void @_ZN6R2GridD1Ev(ptr noundef nonnull align 8 dereferenceable(208) %10) #3
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 208) #4
  br label %13

13:                                               ; preds = %12, %8
  %14 = getelementptr inbounds %class.RGBDSurface, ptr %3, i32 0, i32 13
  store ptr null, ptr %14, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %13, %7
  ret void
}

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 = { nobuiltin 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 #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 = { nounwind }
attributes #4 = { builtin 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 136}
!10 = !{!"_ZTS11RGBDSurface", !6, i64 8, !11, i64 16, !12, i64 24, !11, i64 40, !11, i64 44, !11, i64 48, !6, i64 56, !6, i64 64, !14, i64 72, !11, i64 112, !6, i64 120, !6, i64 128, !6, i64 136}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS7RNArrayIP6R2GridE", !13, i64 0}
!13 = !{!"_ZTS8RNVArray", !6, i64 0, !11, i64 8, !11, i64 12}
!14 = !{!"_ZTS5R2Box", !15, i64 0, !17, i64 8, !17, i64 24}
!15 = !{!"_ZTS7R2Solid", !16, i64 0}
!16 = !{!"_ZTS7R2Shape"}
!17 = !{!"_ZTS7R2Point", !7, 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"

; Function Attrs: nounwind
declare void @_ZN6R2GridD1Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11RGBDSurface23InvalidateMeshFaceIndexEv(ptr nocapture noundef nonnull align 8 dereferenceable(144) %0) unnamed_addr #2 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 136
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @_ZN6R2GridD1Ev(ptr noundef nonnull align 8 dereferenceable(208) %3) #3
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 208) #4
  store ptr null, ptr %2, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %1, %4
  ret void
}

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 = { nobuiltin 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 #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 = { nounwind }
attributes #4 = { builtin 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, !7, i64 136}
!6 = !{!"_ZTS11RGBDSurface", !7, i64 8, !10, i64 16, !11, i64 24, !10, i64 40, !10, i64 44, !10, i64 48, !7, i64 56, !7, i64 64, !13, i64 72, !10, i64 112, !7, i64 120, !7, i64 128, !7, i64 136}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTS7RNArrayIP6R2GridE", !12, i64 0}
!12 = !{!"_ZTS8RNVArray", !7, i64 0, !10, i64 8, !10, i64 12}
!13 = !{!"_ZTS5R2Box", !14, i64 0, !16, i64 8, !16, i64 24}
!14 = !{!"_ZTS7R2Solid", !15, i64 0}
!15 = !{!"_ZTS7R2Shape"}
!16 = !{!"_ZTS7R2Point", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass