; LLVM IR from drohmer/cgp :: library/cgp/18_user_interactions/picking/picking_plane (picking_plane)

; 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.cgp::intersection_structure" = type { i8, %"struct.cgp::numarray_stack", %"struct.cgp::numarray_stack" }
%"struct.cgp::numarray_stack" = type { float, float, float }
%"struct.cgp::matrix_stack" = type { %"struct.cgp::numarray_stack.0" }
%"struct.cgp::numarray_stack.0" = type { %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1" }
%"struct.cgp::numarray_stack.1" = type { float, float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3cgp34picking_plane_orthogonal_to_cameraERKNS_14numarray_stackIfLi2EEERKNS0_IfLi3EEERKNS_19camera_generic_baseERKNS_29camera_projection_perspectiveE(ptr dead_on_unwind noalias writable sret(%"struct.cgp::intersection_structure") align 4 %0, ptr noundef nonnull align 4 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(16) %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %"struct.cgp::numarray_stack", align 4
  %11 = alloca { <2 x float>, float }, align 8
  %12 = alloca %"struct.cgp::numarray_stack", align 4
  %13 = alloca %"struct.cgp::matrix_stack", align 4
  %14 = alloca %"struct.cgp::matrix_stack", align 4
  %15 = alloca { <2 x float>, float }, align 8
  %16 = alloca %"struct.cgp::numarray_stack", align 4
  %17 = alloca { <2 x float>, float }, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  store ptr %4, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr %10) #4
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = call { <2 x float>, float } @_ZNK3cgp19camera_generic_base5frontEv(ptr noundef nonnull align 8 dereferenceable(8) %18)
  store { <2 x float>, float } %19, ptr %11, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %11, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 64, ptr %13) #4
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZNK3cgp19camera_generic_base12matrix_frameEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4 %13, ptr noundef nonnull align 8 dereferenceable(8) %20)
  call void @llvm.lifetime.start.p0(i64 64, ptr %14) #4
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  call void @_ZNK3cgp29camera_projection_perspective14matrix_inverseEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4 %14, ptr noundef nonnull align 4 dereferenceable(16) %21)
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call { <2 x float>, float } @_ZN3cgp20camera_ray_directionERKNS_12matrix_stackIfLi4ELi4EEES3_RKNS_14numarray_stackIfLi2EEE(ptr noundef nonnull align 4 dereferenceable(64) %13, ptr noundef nonnull align 4 dereferenceable(64) %14, ptr noundef nonnull align 4 dereferenceable(8) %22)
  store { <2 x float>, float } %23, ptr %15, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 8 %15, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 64, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 12, ptr %16) #4
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %24, align 8, !tbaa !9
  %26 = getelementptr inbounds ptr, ptr %25, i64 0
  %27 = load ptr, ptr %26, align 8
  %28 = call { <2 x float>, float } %27(ptr noundef nonnull align 8 dereferenceable(8) %24)
  store { <2 x float>, float } %28, ptr %17, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %16, ptr align 8 %17, i64 12, i1 false)
  %29 = load ptr, ptr %7, align 8, !tbaa !5
  call void @_ZN3cgp22intersection_ray_planeERKNS_14numarray_stackIfLi3EEES3_S3_S3_(ptr dead_on_unwind writable sret(%"struct.cgp::intersection_structure") align 4 %0, ptr noundef nonnull align 4 dereferenceable(12) %16, ptr noundef nonnull align 4 dereferenceable(12) %12, ptr noundef nonnull align 4 dereferenceable(12) %29, ptr noundef nonnull align 4 dereferenceable(12) %10)
  call void @llvm.lifetime.end.p0(i64 12, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %10) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare { <2 x float>, float } @_ZNK3cgp19camera_generic_base5frontEv(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

declare { <2 x float>, float } @_ZN3cgp20camera_ray_directionERKNS_12matrix_stackIfLi4ELi4EEES3_RKNS_14numarray_stackIfLi2EEE(ptr noundef nonnull align 4 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(8)) #2

declare void @_ZNK3cgp19camera_generic_base12matrix_frameEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4, ptr noundef nonnull align 8 dereferenceable(8)) #2

declare void @_ZNK3cgp29camera_projection_perspective14matrix_inverseEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4, ptr noundef nonnull align 4 dereferenceable(16)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare void @_ZN3cgp22intersection_ray_planeERKNS_14numarray_stackIfLi3EEES3_S3_S3_(ptr dead_on_unwind writable sret(%"struct.cgp::intersection_structure") align 4, ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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 willreturn memory(argmem: readwrite) }
attributes #2 = { "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 nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{!"vtable pointer", !8, 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"

%"struct.cgp::intersection_structure" = type { i8, %"struct.cgp::numarray_stack", %"struct.cgp::numarray_stack" }
%"struct.cgp::numarray_stack" = type { float, float, float }
%"struct.cgp::matrix_stack" = type { %"struct.cgp::numarray_stack.0" }
%"struct.cgp::numarray_stack.0" = type { %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1", %"struct.cgp::numarray_stack.1" }
%"struct.cgp::numarray_stack.1" = type { float, float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3cgp34picking_plane_orthogonal_to_cameraERKNS_14numarray_stackIfLi2EEERKNS0_IfLi3EEERKNS_19camera_generic_baseERKNS_29camera_projection_perspectiveE(ptr dead_on_unwind noalias writable sret(%"struct.cgp::intersection_structure") align 4 %0, ptr noundef nonnull align 4 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(16) %4) local_unnamed_addr #0 {
  %6 = alloca %"struct.cgp::numarray_stack", align 8
  %7 = alloca %"struct.cgp::numarray_stack", align 8
  %8 = alloca %"struct.cgp::matrix_stack", align 4
  %9 = alloca %"struct.cgp::matrix_stack", align 4
  %10 = alloca %"struct.cgp::numarray_stack", align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #3
  %11 = tail call { <2 x float>, float } @_ZNK3cgp19camera_generic_base5frontEv(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %.fca.0.extract5 = extractvalue { <2 x float>, float } %11, 0
  %.fca.1.extract6 = extractvalue { <2 x float>, float } %11, 1
  store <2 x float> %.fca.0.extract5, ptr %6, align 8
  %.sroa.28.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  store float %.fca.1.extract6, ptr %.sroa.28.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %8) #3
  call void @_ZNK3cgp19camera_generic_base12matrix_frameEv(ptr dead_on_unwind nonnull writable sret(%"struct.cgp::matrix_stack") align 4 %8, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %9) #3
  call void @_ZNK3cgp29camera_projection_perspective14matrix_inverseEv(ptr dead_on_unwind nonnull writable sret(%"struct.cgp::matrix_stack") align 4 %9, ptr noundef nonnull align 4 dereferenceable(16) %4)
  %12 = call { <2 x float>, float } @_ZN3cgp20camera_ray_directionERKNS_12matrix_stackIfLi4ELi4EEES3_RKNS_14numarray_stackIfLi2EEE(ptr noundef nonnull align 4 dereferenceable(64) %8, ptr noundef nonnull align 4 dereferenceable(64) %9, ptr noundef nonnull align 4 dereferenceable(8) %1)
  %.fca.0.extract1 = extractvalue { <2 x float>, float } %12, 0
  %.fca.1.extract2 = extractvalue { <2 x float>, float } %12, 1
  store <2 x float> %.fca.0.extract1, ptr %7, align 8
  %.sroa.24.0..sroa_idx = getelementptr inbounds i8, ptr %7, i64 8
  store float %.fca.1.extract2, ptr %.sroa.24.0..sroa_idx, align 8
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %8) #3
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %10) #3
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = load ptr, ptr %13, align 8
  %15 = call { <2 x float>, float } %14(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %.fca.0.extract = extractvalue { <2 x float>, float } %15, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %15, 1
  store <2 x float> %.fca.0.extract, ptr %10, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %10, i64 8
  store float %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  call void @_ZN3cgp22intersection_ray_planeERKNS_14numarray_stackIfLi3EEES3_S3_S3_(ptr dead_on_unwind writable sret(%"struct.cgp::intersection_structure") align 4 %0, ptr noundef nonnull align 4 dereferenceable(12) %10, ptr noundef nonnull align 4 dereferenceable(12) %7, ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %6)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #3
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare { <2 x float>, float } @_ZNK3cgp19camera_generic_base5frontEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

declare { <2 x float>, float } @_ZN3cgp20camera_ray_directionERKNS_12matrix_stackIfLi4ELi4EEES3_RKNS_14numarray_stackIfLi2EEE(ptr noundef nonnull align 4 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

declare void @_ZNK3cgp19camera_generic_base12matrix_frameEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

declare void @_ZNK3cgp29camera_projection_perspective14matrix_inverseEv(ptr dead_on_unwind writable sret(%"struct.cgp::matrix_stack") align 4, ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare void @_ZN3cgp22intersection_ray_planeERKNS_14numarray_stackIfLi3EEES3_S3_S3_(ptr dead_on_unwind writable sret(%"struct.cgp::intersection_structure") align 4, ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 }

!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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass