; 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 @_ZN8audioapi3dsp31multiplyByScalarThenAddToOutputEPKffPfm(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) #3
  %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 %26

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 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load float, ptr %19, align 4, !tbaa !9
  %21 = call float @llvm.fmuladd.f32(float %17, float %18, float %20)
  store float %21, ptr %19, align 4, !tbaa !9
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds float, ptr %22, i32 1
  store ptr %23, ptr %5, align 8, !tbaa !5
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = getelementptr inbounds float, ptr %24, i32 1
  store ptr %25, ptr %7, align 8, !tbaa !5
  br label %11, !llvm.loop !13

26:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret void
}

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

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"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 @_ZN8audioapi3dsp31multiplyByScalarThenAddToOutputEPKffPfm(ptr nocapture noundef readonly %0, float noundef %1, ptr nocapture noundef %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
  %min.iters.check = icmp ult i64 %3, 8
  br i1 %min.iters.check, label %.lr.ph.preheader24, label %vector.memcheck

vector.memcheck:                                  ; preds = %.lr.ph.preheader
  %5 = shl i64 %3, 2
  %scevgep = getelementptr i8, ptr %2, i64 %5
  %scevgep12 = getelementptr i8, ptr %0, i64 %5
  %bound0 = icmp ugt ptr %scevgep12, %2
  %bound1 = icmp ugt ptr %scevgep, %0
  %found.conflict = and i1 %bound0, %bound1
  br i1 %found.conflict, label %.lr.ph.preheader24, label %vector.ph

vector.ph:                                        ; preds = %vector.memcheck
  %n.vec = and i64 %3, -8
  %ind.end = and i64 %3, 7
  %6 = shl i64 %n.vec, 2
  %ind.end13 = getelementptr i8, ptr %0, i64 %6
  %7 = shl i64 %n.vec, 2
  %ind.end15 = getelementptr i8, ptr %2, i64 %7
  %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.idx18 = shl i64 %index, 2
  %next.gep19 = getelementptr i8, ptr %2, i64 %offset.idx18
  %8 = getelementptr i8, ptr %next.gep, i64 16
  %wide.load = load <4 x float>, ptr %next.gep, align 4, !tbaa !5, !alias.scope !9
  %wide.load21 = load <4 x float>, ptr %8, align 4, !tbaa !5, !alias.scope !9
  %9 = getelementptr i8, ptr %next.gep19, i64 16
  %wide.load22 = load <4 x float>, ptr %next.gep19, align 4, !tbaa !5, !alias.scope !12, !noalias !9
  %wide.load23 = load <4 x float>, ptr %9, align 4, !tbaa !5, !alias.scope !12, !noalias !9
  %10 = tail call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %wide.load, <4 x float> %broadcast.splat, <4 x float> %wide.load22)
  %11 = tail call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %wide.load21, <4 x float> %broadcast.splat, <4 x float> %wide.load23)
  store <4 x float> %10, ptr %next.gep19, align 4, !tbaa !5, !alias.scope !12, !noalias !9
  store <4 x float> %11, ptr %9, align 4, !tbaa !5, !alias.scope !12, !noalias !9
  %index.next = add nuw i64 %index, 8
  %12 = icmp eq i64 %index.next, %n.vec
  br i1 %12, label %middle.block, label %vector.body, !llvm.loop !14

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %3
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader24

.lr.ph.preheader24:                               ; preds = %middle.block, %vector.memcheck, %.lr.ph.preheader
  %.011.ph = phi i64 [ %3, %vector.memcheck ], [ %3, %.lr.ph.preheader ], [ %ind.end, %middle.block ]
  %.0610.ph = phi ptr [ %0, %vector.memcheck ], [ %0, %.lr.ph.preheader ], [ %ind.end13, %middle.block ]
  %.079.ph = phi ptr [ %2, %vector.memcheck ], [ %2, %.lr.ph.preheader ], [ %ind.end15, %middle.block ]
  %13 = 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.preheader24, %.lr.ph.prol
  %.011.prol = phi i64 [ %14, %.lr.ph.prol ], [ %.011.ph, %.lr.ph.preheader24 ]
  %.0610.prol = phi ptr [ %18, %.lr.ph.prol ], [ %.0610.ph, %.lr.ph.preheader24 ]
  %.079.prol = phi ptr [ %19, %.lr.ph.prol ], [ %.079.ph, %.lr.ph.preheader24 ]
  %prol.iter = phi i64 [ %prol.iter.next, %.lr.ph.prol ], [ 0, %.lr.ph.preheader24 ]
  %14 = add i64 %.011.prol, -1
  %15 = load float, ptr %.0610.prol, align 4, !tbaa !5
  %16 = load float, ptr %.079.prol, align 4, !tbaa !5
  %17 = tail call float @llvm.fmuladd.f32(float %15, float %1, float %16)
  store float %17, ptr %.079.prol, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %.0610.prol, i64 4
  %19 = 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 !18

.lr.ph.prol.loopexit:                             ; preds = %.lr.ph.prol, %.lr.ph.preheader24
  %.011.unr = phi i64 [ %.011.ph, %.lr.ph.preheader24 ], [ %14, %.lr.ph.prol ]
  %.0610.unr = phi ptr [ %.0610.ph, %.lr.ph.preheader24 ], [ %18, %.lr.ph.prol ]
  %.079.unr = phi ptr [ %.079.ph, %.lr.ph.preheader24 ], [ %19, %.lr.ph.prol ]
  %20 = icmp ult i64 %13, 3
  br i1 %20, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.prol.loopexit, %.lr.ph
  %.011 = phi i64 [ %36, %.lr.ph ], [ %.011.unr, %.lr.ph.prol.loopexit ]
  %.0610 = phi ptr [ %40, %.lr.ph ], [ %.0610.unr, %.lr.ph.prol.loopexit ]
  %.079 = phi ptr [ %41, %.lr.ph ], [ %.079.unr, %.lr.ph.prol.loopexit ]
  %21 = load float, ptr %.0610, align 4, !tbaa !5
  %22 = load float, ptr %.079, align 4, !tbaa !5
  %23 = tail call float @llvm.fmuladd.f32(float %21, float %1, float %22)
  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 = load float, ptr %25, align 4, !tbaa !5
  %28 = tail call float @llvm.fmuladd.f32(float %26, float %1, float %27)
  store float %28, ptr %25, align 4, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %.0610, i64 8
  %30 = getelementptr inbounds i8, ptr %.079, i64 8
  %31 = load float, ptr %29, align 4, !tbaa !5
  %32 = load float, ptr %30, align 4, !tbaa !5
  %33 = tail call float @llvm.fmuladd.f32(float %31, float %1, float %32)
  store float %33, ptr %30, align 4, !tbaa !5
  %34 = getelementptr inbounds i8, ptr %.0610, i64 12
  %35 = getelementptr inbounds i8, ptr %.079, i64 12
  %36 = add i64 %.011, -4
  %37 = load float, ptr %34, align 4, !tbaa !5
  %38 = load float, ptr %35, align 4, !tbaa !5
  %39 = tail call float @llvm.fmuladd.f32(float %37, float %1, float %38)
  store float %39, ptr %35, align 4, !tbaa !5
  %40 = getelementptr inbounds i8, ptr %.0610, i64 16
  %41 = getelementptr inbounds i8, ptr %.079, i64 16
  %.not.3 = icmp eq i64 %36, 0
  br i1 %.not.3, label %._crit_edge, label %.lr.ph, !llvm.loop !20

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

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <4 x float> @llvm.fmuladd.v4f32(<4 x float>, <4 x float>, <4 x float>) #2

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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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 = !{!10}
!10 = distinct !{!10, !11}
!11 = distinct !{!11, !"LVerDomain"}
!12 = !{!13}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !15, !16, !17}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!"llvm.loop.isvectorized", i32 1}
!17 = !{!"llvm.loop.unroll.runtime.disable"}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.unroll.disable"}
!20 = distinct !{!20, !15, !16}


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