; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Shapes/R3Ellipse.ll (ZNK9R3Ellipse8IsLinearEv)

; 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.R3Ellipse = type { %class.R3Surface, %class.R3CoordSystem, %class.R2Vector, %class.R3Box }
%class.R3Surface = type { %class.R3Shape }
%class.R3Shape = type { ptr }
%class.R3CoordSystem = type { %class.R3Point, %class.R3Triad }
%class.R3Point = type { [3 x double] }
%class.R3Triad = type { [3 x %class.R3Vector] }
%class.R3Vector = type { [3 x double] }
%class.R2Vector = type { [2 x double] }
%class.R3Box = type { %class.R3Solid, %class.R3Point, %class.R3Point }
%class.R3Solid = type { %class.R3Shape }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK8R2Vector1XEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK8R2Vector1YEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK9R3Ellipse8IsLinearEv(ptr noundef nonnull align 8 dereferenceable(176) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  %5 = getelementptr inbounds %class.R3Ellipse, ptr %4, i32 0, i32 2
  %6 = call noundef double @_ZNK8R2Vector1XEv(ptr noundef nonnull align 8 dereferenceable(16) %5)
  %7 = fcmp oeq double %6, 0.000000e+00
  br i1 %7, label %8, label %11

8:                                                ; preds = %1
  %9 = load i32, ptr %3, align 4, !tbaa !9
  %10 = add nsw i32 %9, 1
  store i32 %10, ptr %3, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %8, %1
  %12 = getelementptr inbounds %class.R3Ellipse, ptr %4, i32 0, i32 2
  %13 = call noundef double @_ZNK8R2Vector1YEv(ptr noundef nonnull align 8 dereferenceable(16) %12)
  %14 = fcmp oeq double %13, 0.000000e+00
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %3, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %15, %11
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = icmp sge i32 %19, 2
  %21 = zext i1 %20 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret i32 %21
}

; 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 @_ZNK8R2Vector1XEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK8R2Vector1YEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZNK9R3Ellipse8IsLinearEv(ptr noundef nonnull align 8 dereferenceable(176) %0) unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 104
  %3 = tail call noundef double @_ZNK8R2Vector1XEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %4 = fcmp oeq double %3, 0.000000e+00
  %5 = tail call noundef double @_ZNK8R2Vector1YEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %6 = fcmp oeq double %5, 0.000000e+00
  %narrow = and i1 %4, %6
  %.1 = zext i1 %narrow to i32
  ret i32 %.1
}

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,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass