; LLVM IR from chrxh/alien :: source/EngineInterface/DataPointCollection.ll (ZNK9DataPointdvEd)

; 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.DataPoint = type { [7 x double], double }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9DataPointC2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK9DataPointdvEd(ptr dead_on_unwind noalias writable sret(%struct.DataPoint) align 8 %0, ptr noundef nonnull align 8 dereferenceable(64) %1, double noundef %2) #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca i32, align 4
  store ptr %1, ptr %4, align 8, !tbaa !5
  store double %2, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  call void @_ZN9DataPointC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !11
  br label %8

8:                                                ; preds = %24, %3
  %9 = load i32, ptr %6, align 4, !tbaa !11
  %10 = icmp slt i32 %9, 7
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %27

12:                                               ; preds = %8
  %13 = getelementptr inbounds %struct.DataPoint, ptr %7, i32 0, i32 0
  %14 = load i32, ptr %6, align 4, !tbaa !11
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [7 x double], ptr %13, i64 0, i64 %15
  %17 = load double, ptr %16, align 8, !tbaa !9
  %18 = load double, ptr %5, align 8, !tbaa !9
  %19 = fdiv double %17, %18
  %20 = getelementptr inbounds %struct.DataPoint, ptr %0, i32 0, i32 0
  %21 = load i32, ptr %6, align 4, !tbaa !11
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [7 x double], ptr %20, i64 0, i64 %22
  store double %19, ptr %23, align 8, !tbaa !9
  br label %24

24:                                               ; preds = %12
  %25 = load i32, ptr %6, align 4, !tbaa !11
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %6, align 4, !tbaa !11
  br label %8, !llvm.loop !13

27:                                               ; preds = %11
  %28 = getelementptr inbounds %struct.DataPoint, ptr %7, i32 0, i32 1
  %29 = load double, ptr %28, align 8, !tbaa !15
  %30 = load double, ptr %5, align 8, !tbaa !9
  %31 = fdiv double %29, %30
  %32 = getelementptr inbounds %struct.DataPoint, ptr %0, i32 0, i32 1
  store double %31, ptr %32, align 8, !tbaa !15
  ret void
}

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!16, !10, i64 56}
!16 = !{!"_ZTS9DataPoint", !7, i64 0, !10, i64 56}


; 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.DataPoint = type { [7 x double], double }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9DataPointC2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK9DataPointdvEd(ptr dead_on_unwind noalias nonnull writable sret(%struct.DataPoint) align 8 %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(64) %1, double noundef %2) local_unnamed_addr #1 align 2 {
  tail call void @_ZN9DataPointC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) #2
  %4 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %5 = insertelement <2 x double> poison, double %2, i64 0
  %6 = shufflevector <2 x double> %5, <2 x double> poison, <2 x i32> zeroinitializer
  %7 = fdiv <2 x double> %4, %6
  store <2 x double> %7, ptr %0, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = load <2 x double>, ptr %8, align 8, !tbaa !5
  %11 = fdiv <2 x double> %10, %6
  store <2 x double> %11, ptr %9, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %1, i64 32
  %13 = getelementptr inbounds i8, ptr %0, i64 32
  %14 = load <2 x double>, ptr %12, align 8, !tbaa !5
  %15 = fdiv <2 x double> %14, %6
  store <2 x double> %15, ptr %13, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %1, i64 48
  %17 = getelementptr inbounds i8, ptr %0, i64 48
  %18 = load <2 x double>, ptr %16, align 8, !tbaa !5
  %19 = fdiv <2 x double> %18, %6
  store <2 x double> %19, ptr %17, align 8, !tbaa !5
  ret void
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass