; LLVM IR from ysyesilyurt/ComputerGraphics :: RayTracing/Ray.ll (ZNK3Ray4gettERK8Vector3f)

; 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.Vector3f = type { %union.anon, %union.anon.0, %union.anon.1 }
%union.anon = type { float }
%union.anon.0 = type { float }
%union.anon.1 = type { float }
%class.Ray = type { %struct.Vector3f, %struct.Vector3f }

; 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) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZNK3Ray4gettERK8Vector3f(ptr noundef nonnull align 4 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.Vector3f, align 4
  %6 = alloca %struct.Vector3f, align 4
  %7 = alloca { <2 x float>, float }, align 4
  %8 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %5) #4
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %class.Ray, ptr %9, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %11, i64 12, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 %6, i64 12, i1 false)
  %12 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 0
  %13 = load <2 x float>, ptr %12, align 4
  %14 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 1
  %15 = load float, ptr %14, align 4
  %16 = call { <2 x float>, float } @_ZNK8Vector3fmiES_(ptr noundef nonnull align 4 dereferenceable(12) %10, <2 x float> %13, float %15)
  store { <2 x float>, float } %16, ptr %8, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 8 %8, i64 12, i1 false)
  %17 = getelementptr inbounds %struct.Vector3f, ptr %5, i32 0, i32 0
  %18 = load float, ptr %17, align 4, !tbaa !10
  %19 = getelementptr inbounds %struct.Vector3f, ptr %5, i32 0, i32 1
  %20 = load float, ptr %19, align 4, !tbaa !10
  %21 = fadd float %18, %20
  %22 = getelementptr inbounds %struct.Vector3f, ptr %5, i32 0, i32 2
  %23 = load float, ptr %22, align 4, !tbaa !10
  %24 = fadd float %21, %23
  %25 = getelementptr inbounds %class.Ray, ptr %9, i32 0, i32 1
  %26 = getelementptr inbounds %struct.Vector3f, ptr %25, i32 0, i32 0
  %27 = load float, ptr %26, align 4, !tbaa !10
  %28 = getelementptr inbounds %class.Ray, ptr %9, i32 0, i32 1
  %29 = getelementptr inbounds %struct.Vector3f, ptr %28, i32 0, i32 1
  %30 = load float, ptr %29, align 4, !tbaa !10
  %31 = fadd float %27, %30
  %32 = getelementptr inbounds %class.Ray, ptr %9, i32 0, i32 1
  %33 = getelementptr inbounds %struct.Vector3f, ptr %32, i32 0, i32 2
  %34 = load float, ptr %33, align 4, !tbaa !10
  %35 = fadd float %31, %34
  %36 = fdiv float %24, %35
  call void @llvm.lifetime.end.p0(i64 12, ptr %5) #4
  ret float %36
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK8Vector3fmiES_(ptr noundef nonnull align 4 dereferenceable(12), <2 x float>, float) #3 align 2

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

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress nounwind 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 #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 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10}
!10 = !{!7, !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: mustprogress nounwind uwtable
define dso_local noundef float @_ZNK3Ray4gettERK8Vector3f(ptr nocapture noundef nonnull readonly align 4 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) local_unnamed_addr #0 align 2 {
  %.sroa.03.0.copyload = load <2 x float>, ptr %0, align 4
  %.sroa.24.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 8
  %.sroa.24.0.copyload = load float, ptr %.sroa.24.0..sroa_idx, align 4, !tbaa !5
  %3 = tail call { <2 x float>, float } @_ZNK8Vector3fmiES_(ptr noundef nonnull align 4 dereferenceable(12) %1, <2 x float> %.sroa.03.0.copyload, float %.sroa.24.0.copyload)
  %.fca.0.extract = extractvalue { <2 x float>, float } %3, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %3, 1
  %shift = shufflevector <2 x float> %.fca.0.extract, <2 x float> poison, <2 x i32> <i32 1, i32 poison>
  %4 = fadd <2 x float> %.fca.0.extract, %shift
  %5 = extractelement <2 x float> %4, i64 0
  %6 = fadd float %.fca.1.extract, %5
  %7 = getelementptr inbounds i8, ptr %0, i64 12
  %8 = load float, ptr %7, align 4, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = load float, ptr %9, align 4, !tbaa !5
  %11 = fadd float %8, %10
  %12 = getelementptr inbounds i8, ptr %0, i64 20
  %13 = load float, ptr %12, align 4, !tbaa !5
  %14 = fadd float %11, %13
  %15 = fdiv float %6, %14
  ret float %15
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK8Vector3fmiES_(ptr noundef nonnull align 4 dereferenceable(12), <2 x float>, float) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nounwind 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 = { inlinehint mustprogress nounwind 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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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