; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R2Shapes/R2Box.ll (ZNK5R2Box11NDimensionsEv)

; 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.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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK5R2Box11NDimensionsEv(ptr noundef nonnull align 8 dereferenceable(40) %0) #1 align 2 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  %7 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 1
  %8 = call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %7)
  %9 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 2
  %10 = call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %9)
  %11 = fcmp ogt double %8, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %1
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %40

13:                                               ; preds = %1
  %14 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 1
  %15 = call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %14)
  %16 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 2
  %17 = call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %16)
  %18 = fcmp olt double %15, %17
  br i1 %18, label %19, label %22

19:                                               ; preds = %13
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %19, %13
  %23 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 1
  %24 = call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %23)
  %25 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 2
  %26 = call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %25)
  %27 = fcmp ogt double %24, %26
  br i1 %27, label %28, label %29

28:                                               ; preds = %22
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %40

29:                                               ; preds = %22
  %30 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 1
  %31 = call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %30)
  %32 = getelementptr inbounds %class.R2Box, ptr %6, i32 0, i32 2
  %33 = call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %32)
  %34 = fcmp olt double %31, %33
  br i1 %34, label %35, label %38

35:                                               ; preds = %29
  %36 = load i32, ptr %4, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %4, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %35, %29
  %39 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %39, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %40

40:                                               ; preds = %38, %28, %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %41 = load i32, ptr %2, align 4
  ret i32 %41
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

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


; 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 double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 -1, 3) i32 @_ZNK5R2Box11NDimensionsEv(ptr noundef nonnull align 8 dereferenceable(40) %0) local_unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = tail call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = tail call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  %6 = fcmp ogt double %3, %5
  br i1 %6, label %19, label %7

7:                                                ; preds = %1
  %8 = tail call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %9 = tail call noundef double @_ZNK7R2Point1XEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  %10 = tail call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %11 = tail call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  %12 = fcmp ogt double %10, %11
  br i1 %12, label %19, label %13

13:                                               ; preds = %7
  %14 = fcmp olt double %8, %9
  %.0 = zext i1 %14 to i32
  %15 = tail call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %16 = tail call noundef double @_ZNK7R2Point1YEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  %17 = fcmp olt double %15, %16
  %18 = select i1 %14, i32 2, i32 1
  %.1 = select i1 %17, i32 %18, i32 %.0
  br label %19

19:                                               ; preds = %7, %1, %13
  %.04 = phi i32 [ %.1, %13 ], [ -1, %1 ], [ -1, %7 ]
  ret i32 %.04
}

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 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" }

!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)"}


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