; LLVM IR from goldest-star/seawave-animation :: src/vcl/interaction/picking/primitives (picking_primitives)

; 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.vcl::picking_info" = type { i8, %"struct.vcl::buffer_stack", %"struct.vcl::buffer_stack" }
%"struct.vcl::buffer_stack" = type { float, float, float }
%"struct.vcl::ray" = type { %"struct.vcl::buffer_stack", %"struct.vcl::buffer_stack" }

declare void @_ZN3vcl12picking_infoC1Ev(ptr noundef nonnull align 4 dereferenceable(28)) unnamed_addr #0

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

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #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

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclplIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmlIfLm3EEENS_12buffer_stackIT_XT0_EEEfRKS3_(float noundef, ptr noundef nonnull align 4 dereferenceable(12)) #2

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3vcl19ray_intersect_planeERKNS_3rayERKNS_12buffer_stackIfLm3EEES6_(ptr dead_on_unwind noalias writable sret(%"struct.vcl::picking_info") align 4 %0, ptr noundef nonnull align 4 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %3) #4 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca float, align 4
  %9 = alloca %"struct.vcl::buffer_stack", align 4
  %10 = alloca { <2 x float>, float }, align 8
  %11 = alloca %"struct.vcl::buffer_stack", align 4
  %12 = alloca %"struct.vcl::buffer_stack", align 4
  %13 = alloca { <2 x float>, float }, align 8
  %14 = alloca { <2 x float>, float }, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  store ptr %3, ptr %7, align 8, !tbaa !5
  call void @_ZN3vcl12picking_infoC1Ev(ptr noundef nonnull align 4 dereferenceable(28) %0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #5
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %"struct.vcl::ray", ptr %15, i32 0, i32 0
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = call { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %16, ptr noundef nonnull align 4 dereferenceable(12) %17)
  store { <2 x float>, float } %18, ptr %10, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 8 %10, i64 12, i1 false)
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = call noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12) %9, ptr noundef nonnull align 4 dereferenceable(12) %19)
  %21 = fneg float %20
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %"struct.vcl::ray", ptr %22, i32 0, i32 1
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = call noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12) %23, ptr noundef nonnull align 4 dereferenceable(12) %24)
  %26 = fdiv float %21, %25
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #5
  store float %26, ptr %8, align 4, !tbaa !9
  %27 = load float, ptr %8, align 4, !tbaa !9
  %28 = fcmp ogt float %27, 0.000000e+00
  br i1 %28, label %29, label %41

29:                                               ; preds = %4
  %30 = getelementptr inbounds %"struct.vcl::picking_info", ptr %0, i32 0, i32 0
  store i8 1, ptr %30, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 12, ptr %11) #5
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %"struct.vcl::ray", ptr %31, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 12, ptr %12) #5
  %33 = load float, ptr %8, align 4, !tbaa !9
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %"struct.vcl::ray", ptr %34, i32 0, i32 1
  %36 = call { <2 x float>, float } @_ZN3vclmlIfLm3EEENS_12buffer_stackIT_XT0_EEEfRKS3_(float noundef %33, ptr noundef nonnull align 4 dereferenceable(12) %35)
  store { <2 x float>, float } %36, ptr %13, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 8 %13, i64 12, i1 false)
  %37 = call { <2 x float>, float } @_ZN3vclplIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %32, ptr noundef nonnull align 4 dereferenceable(12) %12)
  store { <2 x float>, float } %37, ptr %14, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 8 %14, i64 12, i1 false)
  %38 = getelementptr inbounds %"struct.vcl::picking_info", ptr %0, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %38, ptr align 4 %11, i64 12, i1 false), !tbaa.struct !15
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #5
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  %40 = getelementptr inbounds %"struct.vcl::picking_info", ptr %0, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %40, ptr align 4 %39, i64 12, i1 false), !tbaa.struct !15
  br label %41

41:                                               ; preds = %29, %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  ret void
}

attributes #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 willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 = !{!"float", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTSN3vcl12picking_infoE", !13, i64 0, !14, i64 4, !14, i64 16}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTSN3vcl12buffer_stackIfLm3EEE", !10, i64 0, !10, i64 4, !10, i64 8}
!15 = !{i64 0, i64 4, !9, i64 4, i64 4, !9, i64 8, i64 4, !9}


; 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.vcl::picking_info" = type { i8, %"struct.vcl::buffer_stack", %"struct.vcl::buffer_stack" }
%"struct.vcl::buffer_stack" = type { float, float, float }

declare void @_ZN3vcl12picking_infoC1Ev(ptr noundef nonnull align 4 dereferenceable(28)) unnamed_addr #0

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

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress 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

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclplIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmlIfLm3EEENS_12buffer_stackIT_XT0_EEEfRKS3_(float noundef, ptr noundef nonnull align 4 dereferenceable(12)) 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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3vcl19ray_intersect_planeERKNS_3rayERKNS_12buffer_stackIfLm3EEES6_(ptr dead_on_unwind noalias nonnull writable sret(%"struct.vcl::picking_info") align 4 %0, ptr noundef nonnull align 4 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %3) local_unnamed_addr #4 {
  %5 = alloca %"struct.vcl::buffer_stack", align 8
  %6 = alloca %"struct.vcl::buffer_stack", align 8
  tail call void @_ZN3vcl12picking_infoC1Ev(ptr noundef nonnull align 4 dereferenceable(28) %0)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #5
  %7 = tail call { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %1, ptr noundef nonnull align 4 dereferenceable(12) %3)
  %.fca.0.extract6 = extractvalue { <2 x float>, float } %7, 0
  %.fca.1.extract7 = extractvalue { <2 x float>, float } %7, 1
  store <2 x float> %.fca.0.extract6, ptr %5, align 8
  %.sroa.29.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store float %.fca.1.extract7, ptr %.sroa.29.0..sroa_idx, align 8
  %8 = call noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12) %5, ptr noundef nonnull align 4 dereferenceable(12) %2)
  %9 = fneg float %8
  %10 = getelementptr inbounds i8, ptr %1, i64 12
  %11 = call noundef float @_ZN3vcl3dotILm3EEEfRKNS_12buffer_stackIfXT_EEES4_(ptr noundef nonnull align 4 dereferenceable(12) %10, ptr noundef nonnull align 4 dereferenceable(12) %2)
  %12 = fdiv float %9, %11
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #5
  %13 = fcmp ogt float %12, 0.000000e+00
  br i1 %13, label %14, label %19

14:                                               ; preds = %4
  store i8 1, ptr %0, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #5
  %15 = call { <2 x float>, float } @_ZN3vclmlIfLm3EEENS_12buffer_stackIT_XT0_EEEfRKS3_(float noundef %12, ptr noundef nonnull align 4 dereferenceable(12) %10)
  %.fca.0.extract1 = extractvalue { <2 x float>, float } %15, 0
  %.fca.1.extract2 = extractvalue { <2 x float>, float } %15, 1
  store <2 x float> %.fca.0.extract1, ptr %6, align 8
  %.sroa.24.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  store float %.fca.1.extract2, ptr %.sroa.24.0..sroa_idx, align 8
  %16 = call { <2 x float>, float } @_ZN3vclplIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %1, ptr noundef nonnull align 4 dereferenceable(12) %6)
  %.fca.0.extract = extractvalue { <2 x float>, float } %16, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %16, 1
  %17 = getelementptr inbounds i8, ptr %0, i64 4
  store <2 x float> %.fca.0.extract, ptr %17, align 4
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 12
  store float %.fca.1.extract, ptr %.sroa.4.0..sroa_idx, align 4, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #5
  %18 = getelementptr inbounds i8, ptr %0, i64 16
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %18, ptr noundef nonnull align 4 dereferenceable(12) %2, i64 12, i1 false), !tbaa.struct !13
  br label %19

19:                                               ; preds = %14, %4
  ret void
}

attributes #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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, !7, i64 0}
!6 = !{!"_ZTSN3vcl12picking_infoE", !7, i64 0, !10, i64 4, !10, i64 16}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN3vcl12buffer_stackIfLm3EEE", !11, i64 0, !11, i64 4, !11, i64 8}
!11 = !{!"float", !8, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{i64 0, i64 4, !12, i64 4, i64 4, !12, i64 8, i64 4, !12}


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