; LLVM IR from phisko/kengine :: kengine/render/polyvox/libs/polyvox/examples/Paging (Perlin)

; 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"

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Perlin10normalize2EPf(ptr noundef nonnull align 4 dereferenceable(57417) %0, ptr noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds float, ptr %7, i64 0
  %9 = load float, ptr %8, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds float, ptr %10, i64 0
  %12 = load float, ptr %11, align 4, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds float, ptr %13, i64 1
  %15 = load float, ptr %14, align 4, !tbaa !9
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds float, ptr %16, i64 1
  %18 = load float, ptr %17, align 4, !tbaa !9
  %19 = fmul float %15, %18
  %20 = call float @llvm.fmuladd.f32(float %9, float %12, float %19)
  %21 = call noundef float @_ZSt4sqrtf(float noundef %20)
  store float %21, ptr %5, align 4, !tbaa !9
  %22 = load float, ptr %5, align 4, !tbaa !9
  %23 = fdiv float 1.000000e+00, %22
  store float %23, ptr %5, align 4, !tbaa !9
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds float, ptr %24, i64 0
  %26 = load float, ptr %25, align 4, !tbaa !9
  %27 = load float, ptr %5, align 4, !tbaa !9
  %28 = fmul float %26, %27
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds float, ptr %29, i64 0
  store float %28, ptr %30, align 4, !tbaa !9
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds float, ptr %31, i64 1
  %33 = load float, ptr %32, align 4, !tbaa !9
  %34 = load float, ptr %5, align 4, !tbaa !9
  %35 = fmul float %33, %34
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds float, ptr %36, i64 1
  store float %35, ptr %37, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = { 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 = { 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}


; 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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Perlin10normalize2EPf(ptr nocapture noundef nonnull readnone align 4 dereferenceable(57417) %0, ptr nocapture noundef %1) local_unnamed_addr #1 align 2 {
  %3 = load float, ptr %1, align 4, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %1, i64 4
  %5 = load float, ptr %4, align 4, !tbaa !5
  %6 = fmul float %5, %5
  %7 = tail call float @llvm.fmuladd.f32(float %3, float %3, float %6)
  %8 = tail call noundef float @_ZSt4sqrtf(float noundef %7)
  %9 = fdiv float 1.000000e+00, %8
  %10 = load <2 x float>, ptr %1, align 4, !tbaa !5
  %11 = insertelement <2 x float> poison, float %9, i64 0
  %12 = shufflevector <2 x float> %11, <2 x float> poison, <2 x i32> zeroinitializer
  %13 = fmul <2 x float> %10, %12
  store <2 x float> %13, ptr %1, align 4, !tbaa !5
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = { 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" }

!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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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