; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/external/KMCode_relja/descriptor/ShapeDescript_d5f0a07e (Z14SNormalizeVectPfi)

; 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 willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14SNormalizeVectPfi(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca float, align 4
  %7 = alloca float, align 4
  %8 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store float 0.000000e+00, ptr %8, align 4, !tbaa !11
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %23, %2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %13, label %26

13:                                               ; preds = %9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds float, ptr %14, i64 %16
  %18 = load float, ptr %17, align 4, !tbaa !11
  store float %18, ptr %6, align 4, !tbaa !11
  %19 = load float, ptr %6, align 4, !tbaa !11
  %20 = load float, ptr %6, align 4, !tbaa !11
  %21 = load float, ptr %8, align 4, !tbaa !11
  %22 = call float @llvm.fmuladd.f32(float %19, float %20, float %21)
  store float %22, ptr %8, align 4, !tbaa !11
  br label %23

23:                                               ; preds = %13
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !9
  br label %9, !llvm.loop !13

26:                                               ; preds = %9
  %27 = load float, ptr %8, align 4, !tbaa !11
  %28 = call noundef float @_ZSt4sqrtf(float noundef %27)
  %29 = fpext float %28 to double
  %30 = fdiv double 1.000000e+00, %29
  %31 = fptrunc double %30 to float
  store float %31, ptr %7, align 4, !tbaa !11
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %44, %26
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = load i32, ptr %4, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %36, label %47

36:                                               ; preds = %32
  %37 = load float, ptr %7, align 4, !tbaa !11
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = load i32, ptr %5, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds float, ptr %38, i64 %40
  %42 = load float, ptr %41, align 4, !tbaa !11
  %43 = fmul float %42, %37
  store float %43, ptr %41, align 4, !tbaa !11
  br label %44

44:                                               ; preds = %36
  %45 = load i32, ptr %5, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %5, align 4, !tbaa !9
  br label %32, !llvm.loop !15

47:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #2

; 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 = { 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 #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 void @_Z14SNormalizeVectPfi(ptr nocapture noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp sgt i32 %1, 0
  br i1 %3, label %.lr.ph.preheader, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %2
  %4 = tail call noundef float @_ZSt4sqrtf(float noundef 0.000000e+00)
  br label %._crit_edge21

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %1 to i64
  %xtraiter = and i64 %wide.trip.count, 3
  %5 = icmp ult i32 %1, 4
  br i1 %5, label %._crit_edge.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 2147483644
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.3, %.lr.ph ]
  %.017 = phi float [ 0.000000e+00, %.lr.ph.preheader.new ], [ %17, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %6 = getelementptr inbounds float, ptr %0, i64 %indvars.iv
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = tail call float @llvm.fmuladd.f32(float %7, float %7, float %.017)
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %9 = getelementptr inbounds float, ptr %0, i64 %indvars.iv.next
  %10 = load float, ptr %9, align 4, !tbaa !5
  %11 = tail call float @llvm.fmuladd.f32(float %10, float %10, float %8)
  %indvars.iv.next.1 = or disjoint i64 %indvars.iv, 2
  %12 = getelementptr inbounds float, ptr %0, i64 %indvars.iv.next.1
  %13 = load float, ptr %12, align 4, !tbaa !5
  %14 = tail call float @llvm.fmuladd.f32(float %13, float %13, float %11)
  %indvars.iv.next.2 = or disjoint i64 %indvars.iv, 3
  %15 = getelementptr inbounds float, ptr %0, i64 %indvars.iv.next.2
  %16 = load float, ptr %15, align 4, !tbaa !5
  %17 = tail call float @llvm.fmuladd.f32(float %16, float %16, float %14)
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.unr-lcssa, label %.lr.ph, !llvm.loop !9

._crit_edge.unr-lcssa:                            ; preds = %.lr.ph, %.lr.ph.preheader
  %.lcssa.ph = phi float [ poison, %.lr.ph.preheader ], [ %17, %.lr.ph ]
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.3, %.lr.ph ]
  %.017.unr = phi float [ 0.000000e+00, %.lr.ph.preheader ], [ %17, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.unr-lcssa, %.lr.ph.epil
  %indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %.lr.ph.epil ], [ %indvars.iv.unr, %._crit_edge.unr-lcssa ]
  %.017.epil = phi float [ %20, %.lr.ph.epil ], [ %.017.unr, %._crit_edge.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.unr-lcssa ]
  %18 = getelementptr inbounds float, ptr %0, i64 %indvars.iv.epil
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = tail call float @llvm.fmuladd.f32(float %19, float %19, float %.017.epil)
  %indvars.iv.next.epil = add nuw nsw i64 %indvars.iv.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph.epil, %._crit_edge.unr-lcssa
  %.lcssa = phi float [ %.lcssa.ph, %._crit_edge.unr-lcssa ], [ %20, %.lr.ph.epil ]
  %21 = tail call noundef float @_ZSt4sqrtf(float noundef %.lcssa)
  %22 = fdiv float 1.000000e+00, %21
  br i1 %3, label %.lr.ph20.preheader, label %._crit_edge21

.lr.ph20.preheader:                               ; preds = %._crit_edge
  %wide.trip.count26 = zext nneg i32 %1 to i64
  %min.iters.check = icmp ult i32 %1, 8
  br i1 %min.iters.check, label %.lr.ph20.preheader30, label %vector.ph

vector.ph:                                        ; preds = %.lr.ph20.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  %broadcast.splatinsert = insertelement <4 x float> poison, float %22, i64 0
  %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %23 = getelementptr inbounds float, ptr %0, i64 %index
  %24 = getelementptr inbounds i8, ptr %23, i64 16
  %wide.load = load <4 x float>, ptr %23, align 4, !tbaa !5
  %wide.load29 = load <4 x float>, ptr %24, align 4, !tbaa !5
  %25 = fmul <4 x float> %broadcast.splat, %wide.load
  %26 = fmul <4 x float> %broadcast.splat, %wide.load29
  store <4 x float> %25, ptr %23, align 4, !tbaa !5
  store <4 x float> %26, ptr %24, align 4, !tbaa !5
  %index.next = add nuw i64 %index, 8
  %27 = icmp eq i64 %index.next, %n.vec
  br i1 %27, label %middle.block, label %vector.body, !llvm.loop !13

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge21, label %.lr.ph20.preheader30

.lr.ph20.preheader30:                             ; preds = %middle.block, %.lr.ph20.preheader
  %indvars.iv23.ph = phi i64 [ 0, %.lr.ph20.preheader ], [ %n.vec, %middle.block ]
  br label %.lr.ph20

.lr.ph20:                                         ; preds = %.lr.ph20.preheader30, %.lr.ph20
  %indvars.iv23 = phi i64 [ %indvars.iv.next24, %.lr.ph20 ], [ %indvars.iv23.ph, %.lr.ph20.preheader30 ]
  %28 = getelementptr inbounds float, ptr %0, i64 %indvars.iv23
  %29 = load float, ptr %28, align 4, !tbaa !5
  %30 = fmul float %22, %29
  store float %30, ptr %28, align 4, !tbaa !5
  %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
  %exitcond27.not = icmp eq i64 %indvars.iv.next24, %wide.trip.count26
  br i1 %exitcond27.not, label %._crit_edge21, label %.lr.ph20, !llvm.loop !16

._crit_edge21:                                    ; preds = %.lr.ph20, %middle.block, %._crit_edge.thread, %._crit_edge
  ret void
}

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

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

attributes #0 = { 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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}
!13 = distinct !{!13, !10, !14, !15}
!14 = !{!"llvm.loop.isvectorized", i32 1}
!15 = !{!"llvm.loop.unroll.runtime.disable"}
!16 = distinct !{!16, !10, !15, !14}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass