; LLVM IR from Overload-Technologies/Overload :: Dependencies/soloud/src/filter (soloud_fftfilter)

; 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 @_ZN6SoLoud17FFTFilterInstance13magPhase2CompEPfj(ptr noundef nonnull align 8 dereferenceable(176) %0, ptr noundef %1, i32 noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca float, align 4
  %9 = alloca float, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %49, %3
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = icmp ult i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %52

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = mul i32 %18, 2
  %20 = zext i32 %19 to i64
  %21 = getelementptr inbounds float, ptr %17, i64 %20
  %22 = load float, ptr %21, align 4, !tbaa !11
  store float %22, ptr %8, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = mul i32 %24, 2
  %26 = add i32 %25, 1
  %27 = zext i32 %26 to i64
  %28 = getelementptr inbounds float, ptr %23, i64 %27
  %29 = load float, ptr %28, align 4, !tbaa !11
  store float %29, ptr %9, align 4, !tbaa !11
  %30 = load float, ptr %9, align 4, !tbaa !11
  %31 = call noundef float @_ZSt3cosf(float noundef %30)
  %32 = load float, ptr %8, align 4, !tbaa !11
  %33 = fmul float %31, %32
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %7, align 4, !tbaa !9
  %36 = mul i32 %35, 2
  %37 = zext i32 %36 to i64
  %38 = getelementptr inbounds float, ptr %34, i64 %37
  store float %33, ptr %38, align 4, !tbaa !11
  %39 = load float, ptr %9, align 4, !tbaa !11
  %40 = call noundef float @_ZSt3sinf(float noundef %39)
  %41 = load float, ptr %8, align 4, !tbaa !11
  %42 = fmul float %40, %41
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = load i32, ptr %7, align 4, !tbaa !9
  %45 = mul i32 %44, 2
  %46 = add i32 %45, 1
  %47 = zext i32 %46 to i64
  %48 = getelementptr inbounds float, ptr %43, i64 %47
  store float %42, ptr %48, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %49

49:                                               ; preds = %16
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = add i32 %50, 1
  store i32 %51, ptr %7, align 4, !tbaa !9
  br label %11, !llvm.loop !13

52:                                               ; preds = %15
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3cosf(float noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3sinf(float noundef) #2

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 = { 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 #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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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 nounwind uwtable
define dso_local void @_ZN6SoLoud17FFTFilterInstance13magPhase2CompEPfj(ptr nocapture noundef nonnull readnone align 8 dereferenceable(176) %0, ptr nocapture noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext i32 %2 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %4 = trunc nuw i64 %indvars.iv to i32
  %5 = shl i32 %4, 1
  %6 = zext i32 %5 to i64
  %7 = getelementptr inbounds float, ptr %1, i64 %6
  %8 = load float, ptr %7, align 4, !tbaa !5
  %9 = or disjoint i32 %5, 1
  %10 = zext i32 %9 to i64
  %11 = getelementptr inbounds float, ptr %1, i64 %10
  %12 = load float, ptr %11, align 4, !tbaa !5
  %13 = tail call noundef float @_ZSt3cosf(float noundef %12)
  %14 = fmul float %8, %13
  store float %14, ptr %7, align 4, !tbaa !5
  %15 = tail call noundef float @_ZSt3sinf(float noundef %12)
  %16 = fmul float %8, %15
  store float %16, ptr %11, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3cosf(float noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3sinf(float noundef) local_unnamed_addr #1

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 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass