; LLVM IR from aap/librw :: tools/playground/camera.ll (ZN6Camera10distanceToEN2rw3V3dE)

; 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.rw::V3d" = type { float, float, float }
%class.Camera = type { ptr, %"struct.rw::V3d", %"struct.rw::V3d", %"struct.rw::V3d", %"struct.rw::V3d", float, float, float, float }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #1

; 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) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12)) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN6Camera10distanceToEN2rw3V3dE(ptr noundef nonnull align 8 dereferenceable(72) %0, <2 x float> %1, float %2) #4 align 2 {
  %4 = alloca %"struct.rw::V3d", align 4
  %5 = alloca { <2 x float>, float }, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.rw::V3d", align 4
  %8 = alloca { <2 x float>, float }, align 8
  %9 = getelementptr inbounds { <2 x float>, float }, ptr %5, i32 0, i32 0
  store <2 x float> %1, ptr %9, align 4
  %10 = getelementptr inbounds { <2 x float>, float }, ptr %5, i32 0, i32 1
  store float %2, ptr %10, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 4 %5, i64 12, i1 false)
  store ptr %0, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %7) #5
  %12 = getelementptr inbounds %class.Camera, ptr %11, i32 0, i32 1
  %13 = call { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %12, ptr noundef nonnull align 4 dereferenceable(12) %4)
  store { <2 x float>, float } %13, ptr %8, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 8 %8, i64 12, i1 false)
  %14 = call noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12) %7)
  call void @llvm.lifetime.end.p0(i64 12, ptr %7) #5
  ret float %14
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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"}


; 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.rw::V3d" = type { float, float, float }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN6Camera10distanceToEN2rw3V3dE(ptr noundef nonnull align 8 dereferenceable(72) %0, <2 x float> %1, float %2) local_unnamed_addr #3 align 2 {
  %4 = alloca %"struct.rw::V3d", align 8
  %5 = alloca %"struct.rw::V3d", align 8
  store <2 x float> %1, ptr %4, align 8
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store float %2, ptr %.sroa.22.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #4
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = call { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %4)
  %.fca.0.extract = extractvalue { <2 x float>, float } %7, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %7, 1
  store <2 x float> %.fca.0.extract, ptr %5, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store float %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  %8 = call noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12) %5)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #4
  ret float %8
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { 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 #3 = { 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 #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)"}


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