; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Graphics/R3Frustum.ll (ZN9R3FrustumC2Ev)

; 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.R3Frustum = type { %class.R3Camera, [2 x [3 x %class.R3Halfspace]] }
%class.R3Camera = type { %class.R3CoordSystem, double, double, double, double, double, 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.R3Halfspace = type { %class.R3Plane }
%class.R3Plane = type { %class.R3Vector, double }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9R3FrustumC2Ev(ptr noundef nonnull align 8 dereferenceable(336) %0) unnamed_addr #0 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 %struct.R3Frustum, ptr %3, i32 0, i32 0
  call void @_ZN8R3CameraC1Ev(ptr noundef nonnull align 8 dereferenceable(144) %4)
  %5 = getelementptr inbounds %struct.R3Frustum, ptr %3, i32 0, i32 1
  %6 = getelementptr inbounds [2 x [3 x %class.R3Halfspace]], ptr %5, i32 0, i32 0, i32 0
  %7 = getelementptr inbounds %class.R3Halfspace, ptr %6, i64 6
  br label %8

8:                                                ; preds = %8, %1
  %9 = phi ptr [ %6, %1 ], [ %10, %8 ]
  call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %9)
  %10 = getelementptr inbounds %class.R3Halfspace, ptr %9, i64 1
  %11 = icmp eq ptr %10, %7
  br i1 %11, label %12, label %8

12:                                               ; preds = %8
  ret void
}

declare void @_ZN8R3CameraC1Ev(ptr noundef nonnull align 8 dereferenceable(144)) unnamed_addr #1

declare void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1

attributes #0 = { 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 = { "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"}


; 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: mustprogress uwtable
define dso_local void @_ZN9R3FrustumC2Ev(ptr noundef nonnull align 8 dereferenceable(336) %0) unnamed_addr #0 align 2 {
  tail call void @_ZN8R3CameraC1Ev(ptr noundef nonnull align 8 dereferenceable(144) %0)
  %.ptr = getelementptr inbounds i8, ptr %0, i64 144
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr)
  %.ptr.1 = getelementptr inbounds i8, ptr %0, i64 176
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr.1)
  %.ptr.2 = getelementptr inbounds i8, ptr %0, i64 208
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr.2)
  %.ptr.3 = getelementptr inbounds i8, ptr %0, i64 240
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr.3)
  %.ptr.4 = getelementptr inbounds i8, ptr %0, i64 272
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr.4)
  %.ptr.5 = getelementptr inbounds i8, ptr %0, i64 304
  tail call void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr.5)
  ret void
}

declare void @_ZN8R3CameraC1Ev(ptr noundef nonnull align 8 dereferenceable(144)) unnamed_addr #1

declare void @_ZN11R3HalfspaceC1Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1

attributes #0 = { 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 = { "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,GVNPass,InstCombinePass,SROAPass,TailCallElimPass