; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Shapes/R3MeshProperty.ll (ZN14R3MeshProperty5ResetEP6R3Mesh)

; 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.R3MeshProperty = type { ptr, [1024 x i8], i32, ptr, double, double, double, double, double, double }

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN14R3MeshProperty15ResetStatisticsEv(ptr noundef nonnull align 8 dereferenceable(1096)) #4 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #5

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14R3MeshProperty5ResetEP6R3Mesh(ptr noundef nonnull align 8 dereferenceable(1096) %0, ptr noundef %1) #6 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  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.R3MeshProperty, ptr %6, i32 0, i32 0
  store ptr %7, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 3
  %10 = load ptr, ptr %9, align 8, !tbaa !13
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %18

12:                                               ; preds = %2
  %13 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 3
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = icmp eq ptr %14, null
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @_ZdaPv(ptr noundef %14) #7
  br label %17

17:                                               ; preds = %16, %12
  br label %18

18:                                               ; preds = %17, %2
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272) %19)
  %21 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 2
  store i32 %20, ptr %21, align 8, !tbaa !14
  %22 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 2
  %23 = load i32, ptr %22, align 8, !tbaa !14
  %24 = sext i32 %23 to i64
  %25 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %24, i64 8)
  %26 = extractvalue { i64, i1 } %25, 1
  %27 = extractvalue { i64, i1 } %25, 0
  %28 = select i1 %26, i64 -1, i64 %27
  %29 = call noalias noundef nonnull ptr @_Znam(i64 noundef %28) #8
  %30 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 3
  store ptr %29, ptr %30, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #9
  store i32 0, ptr %5, align 4, !tbaa !15
  br label %31

31:                                               ; preds = %43, %18
  %32 = load i32, ptr %5, align 4, !tbaa !15
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = call noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272) %33)
  %35 = icmp slt i32 %32, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #9
  br label %46

37:                                               ; preds = %31
  %38 = getelementptr inbounds %struct.R3MeshProperty, ptr %6, i32 0, i32 3
  %39 = load ptr, ptr %38, align 8, !tbaa !13
  %40 = load i32, ptr %5, align 4, !tbaa !15
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds double, ptr %39, i64 %41
  store double 0.000000e+00, ptr %42, align 8, !tbaa !16
  br label %43

43:                                               ; preds = %37
  %44 = load i32, ptr %5, align 4, !tbaa !15
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %5, align 4, !tbaa !15
  br label %31, !llvm.loop !17

46:                                               ; preds = %36
  call void @_ZN14R3MeshProperty15ResetStatisticsEv(ptr noundef nonnull align 8 dereferenceable(1096) %6)
  ret void
}

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { nobuiltin allocsize(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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { 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 #7 = { builtin nounwind }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { 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 0}
!10 = !{!"_ZTS14R3MeshProperty", !6, i64 0, !7, i64 8, !11, i64 1032, !6, i64 1040, !12, i64 1048, !12, i64 1056, !12, i64 1064, !12, i64 1072, !12, i64 1080, !12, i64 1088}
!11 = !{!"int", !7, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!10, !6, i64 1040}
!14 = !{!10, !11, i64 1032}
!15 = !{!11, !11, i64 0}
!16 = !{!12, !12, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272)) local_unnamed_addr #0 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN14R3MeshProperty15ResetStatisticsEv(ptr noundef nonnull align 8 dereferenceable(1096)) local_unnamed_addr #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14R3MeshProperty5ResetEP6R3Mesh(ptr noundef nonnull align 8 dereferenceable(1096) %0, ptr noundef %1) local_unnamed_addr #4 align 2 {
  store ptr %1, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 1040
  %4 = load ptr, ptr %3, align 8, !tbaa !12
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %6, label %5

5:                                                ; preds = %2
  tail call void @_ZdaPv(ptr noundef nonnull %4) #5
  br label %6

6:                                                ; preds = %5, %2
  %7 = tail call noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272) %1)
  %8 = getelementptr inbounds i8, ptr %0, i64 1032
  store i32 %7, ptr %8, align 8, !tbaa !13
  %9 = zext nneg i32 %7 to i64
  %10 = icmp slt i32 %7, 0
  %11 = shl nuw nsw i64 %9, 3
  %12 = select i1 %10, i64 -1, i64 %11
  %13 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %12) #6
  store ptr %13, ptr %3, align 8, !tbaa !12
  %14 = tail call noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272) %1)
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %6
  tail call void @_ZN14R3MeshProperty15ResetStatisticsEv(ptr noundef nonnull align 8 dereferenceable(1096) %0)
  ret void

.lr.ph:                                           ; preds = %6, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %6 ]
  %16 = load ptr, ptr %3, align 8, !tbaa !12
  %17 = getelementptr inbounds double, ptr %16, i64 %indvars.iv
  store double 0.000000e+00, ptr %17, align 8, !tbaa !14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = tail call noundef i32 @_ZNK6R3Mesh9NVerticesEv(ptr noundef nonnull align 8 dereferenceable(272) %1)
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !15
}

attributes #0 = { 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 #1 = { nobuiltin allocsize(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 = { 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 #4 = { 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 #5 = { builtin nounwind }
attributes #6 = { builtin allocsize(0) }

!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 0}
!6 = !{!"_ZTS14R3MeshProperty", !7, i64 0, !8, i64 8, !10, i64 1032, !7, i64 1040, !11, i64 1048, !11, i64 1056, !11, i64 1064, !11, i64 1072, !11, i64 1080, !11, i64 1088}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"double", !8, i64 0}
!12 = !{!6, !7, i64 1040}
!13 = !{!6, !10, i64 1032}
!14 = !{!11, !11, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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