; LLVM IR from software-mansion/react-native-audio-api :: packages/react-native-audio-api/common/cpp/audioapi/dsp (VectorMath)

; 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 nounwind uwtable
define dso_local void @_ZN8audioapi3dsp9addScalarEPKffPfm(ptr noundef %0, float noundef %1, ptr noundef %2, i64 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca float, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store float %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %10 = load i64, ptr %8, align 8, !tbaa !11
  store i64 %10, ptr %9, align 8, !tbaa !11
  br label %11

11:                                               ; preds = %15, %4
  %12 = load i64, ptr %9, align 8, !tbaa !11
  %13 = add i64 %12, -1
  store i64 %13, ptr %9, align 8, !tbaa !11
  %14 = icmp ne i64 %12, 0
  br i1 %14, label %15, label %25

15:                                               ; preds = %11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load float, ptr %16, align 4, !tbaa !9
  %18 = load float, ptr %6, align 4, !tbaa !9
  %19 = fadd float %17, %18
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  store float %19, ptr %20, align 4, !tbaa !9
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds float, ptr %21, i32 1
  store ptr %22, ptr %5, align 8, !tbaa !5
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds float, ptr %23, i32 1
  store ptr %24, ptr %7, align 8, !tbaa !5
  br label %11, !llvm.loop !13

25:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"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}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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 nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @_ZN8audioapi3dsp9addScalarEPKffPfm(ptr nocapture noundef readonly %0, float noundef %1, ptr nocapture noundef writeonly %2, i64 noundef %3) local_unnamed_addr #0 {
  %.not8 = icmp eq i64 %3, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %5 = ptrtoint ptr %2 to i64
  %6 = ptrtoint ptr %0 to i64
  %min.iters.check = icmp ult i64 %3, 8
  %7 = sub i64 %5, %6
  %diff.check = icmp ult i64 %7, 32
  %or.cond = or i1 %min.iters.check, %diff.check
  br i1 %or.cond, label %.lr.ph.preheader21, label %vector.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %3, -8
  %ind.end = and i64 %3, 7
  %8 = shl i64 %n.vec, 2
  %ind.end12 = getelementptr i8, ptr %0, i64 %8
  %9 = shl i64 %n.vec, 2
  %ind.end14 = getelementptr i8, ptr %2, i64 %9
  %broadcast.splatinsert = insertelement <4 x float> poison, float %1, 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 ]
  %offset.idx = shl i64 %index, 2
  %next.gep = getelementptr i8, ptr %0, i64 %offset.idx
  %offset.idx17 = shl i64 %index, 2
  %next.gep18 = getelementptr i8, ptr %2, i64 %offset.idx17
  %10 = getelementptr i8, ptr %next.gep, i64 16
  %wide.load = load <4 x float>, ptr %next.gep, align 4, !tbaa !5
  %wide.load20 = load <4 x float>, ptr %10, align 4, !tbaa !5
  %11 = fadd <4 x float> %wide.load, %broadcast.splat
  %12 = fadd <4 x float> %wide.load20, %broadcast.splat
  %13 = getelementptr i8, ptr %next.gep18, i64 16
  store <4 x float> %11, ptr %next.gep18, align 4, !tbaa !5
  store <4 x float> %12, ptr %13, align 4, !tbaa !5
  %index.next = add nuw i64 %index, 8
  %14 = icmp eq i64 %index.next, %n.vec
  br i1 %14, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %3
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader21

.lr.ph.preheader21:                               ; preds = %middle.block, %.lr.ph.preheader
  %.011.ph = phi i64 [ %3, %.lr.ph.preheader ], [ %ind.end, %middle.block ]
  %.0610.ph = phi ptr [ %0, %.lr.ph.preheader ], [ %ind.end12, %middle.block ]
  %.079.ph = phi ptr [ %2, %.lr.ph.preheader ], [ %ind.end14, %middle.block ]
  %15 = add i64 %.011.ph, -1
  %xtraiter = and i64 %.011.ph, 3
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol

.lr.ph.prol:                                      ; preds = %.lr.ph.preheader21, %.lr.ph.prol
  %.011.prol = phi i64 [ %16, %.lr.ph.prol ], [ %.011.ph, %.lr.ph.preheader21 ]
  %.0610.prol = phi ptr [ %19, %.lr.ph.prol ], [ %.0610.ph, %.lr.ph.preheader21 ]
  %.079.prol = phi ptr [ %20, %.lr.ph.prol ], [ %.079.ph, %.lr.ph.preheader21 ]
  %prol.iter = phi i64 [ %prol.iter.next, %.lr.ph.prol ], [ 0, %.lr.ph.preheader21 ]
  %16 = add i64 %.011.prol, -1
  %17 = load float, ptr %.0610.prol, align 4, !tbaa !5
  %18 = fadd float %17, %1
  store float %18, ptr %.079.prol, align 4, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %.0610.prol, i64 4
  %20 = getelementptr inbounds i8, ptr %.079.prol, i64 4
  %prol.iter.next = add i64 %prol.iter, 1
  %prol.iter.cmp.not = icmp eq i64 %prol.iter.next, %xtraiter
  br i1 %prol.iter.cmp.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol, !llvm.loop !13

.lr.ph.prol.loopexit:                             ; preds = %.lr.ph.prol, %.lr.ph.preheader21
  %.011.unr = phi i64 [ %.011.ph, %.lr.ph.preheader21 ], [ %16, %.lr.ph.prol ]
  %.0610.unr = phi ptr [ %.0610.ph, %.lr.ph.preheader21 ], [ %19, %.lr.ph.prol ]
  %.079.unr = phi ptr [ %.079.ph, %.lr.ph.preheader21 ], [ %20, %.lr.ph.prol ]
  %21 = icmp ult i64 %15, 3
  br i1 %21, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.prol.loopexit, %.lr.ph
  %.011 = phi i64 [ %34, %.lr.ph ], [ %.011.unr, %.lr.ph.prol.loopexit ]
  %.0610 = phi ptr [ %37, %.lr.ph ], [ %.0610.unr, %.lr.ph.prol.loopexit ]
  %.079 = phi ptr [ %38, %.lr.ph ], [ %.079.unr, %.lr.ph.prol.loopexit ]
  %22 = load float, ptr %.0610, align 4, !tbaa !5
  %23 = fadd float %22, %1
  store float %23, ptr %.079, align 4, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %.0610, i64 4
  %25 = getelementptr inbounds i8, ptr %.079, i64 4
  %26 = load float, ptr %24, align 4, !tbaa !5
  %27 = fadd float %26, %1
  store float %27, ptr %25, align 4, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %.0610, i64 8
  %29 = getelementptr inbounds i8, ptr %.079, i64 8
  %30 = load float, ptr %28, align 4, !tbaa !5
  %31 = fadd float %30, %1
  store float %31, ptr %29, align 4, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %.0610, i64 12
  %33 = getelementptr inbounds i8, ptr %.079, i64 12
  %34 = add i64 %.011, -4
  %35 = load float, ptr %32, align 4, !tbaa !5
  %36 = fadd float %35, %1
  store float %36, ptr %33, align 4, !tbaa !5
  %37 = getelementptr inbounds i8, ptr %.0610, i64 16
  %38 = getelementptr inbounds i8, ptr %.079, i64 16
  %.not.3 = icmp eq i64 %34, 0
  br i1 %.not.3, label %._crit_edge, label %.lr.ph, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph.prol.loopexit, %.lr.ph, %middle.block, %4
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) 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, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.unroll.disable"}
!15 = distinct !{!15, !10, !11}


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