; LLVM IR from jgaeddert/liquid-dsp :: src/equalization/src (equalizer_rrrf)

; 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"

%struct.eqlms_rrrf_s = type { i32, float, ptr, ptr, ptr, i32, i32, ptr, ptr, float }

; 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: nounwind uwtable
define dso_local i32 @eqlms_rrrf_update_sumsq(ptr noundef %0, float noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = load float, ptr %4, align 4, !tbaa !9
  %8 = load float, ptr %4, align 4, !tbaa !9
  %9 = fmul float %7, %8
  %10 = fmul float %7, -0.000000e+00
  store float %9, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.eqlms_rrrf_s, ptr %11, i32 0, i32 8
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  %14 = load float, ptr %5, align 4, !tbaa !9
  %15 = call i32 @wdelayf_push(ptr noundef %13, float noundef %14)
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.eqlms_rrrf_s, ptr %16, i32 0, i32 8
  %18 = load ptr, ptr %17, align 8, !tbaa !11
  %19 = call i32 @wdelayf_read(ptr noundef %18, ptr noundef %6)
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.eqlms_rrrf_s, ptr %20, i32 0, i32 9
  %22 = load float, ptr %21, align 8, !tbaa !14
  %23 = load float, ptr %5, align 4, !tbaa !9
  %24 = fadd float %22, %23
  %25 = load float, ptr %6, align 4, !tbaa !9
  %26 = fsub float %24, %25
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.eqlms_rrrf_s, ptr %27, i32 0, i32 9
  store float %26, ptr %28, align 8, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 0
}

declare i32 @wdelayf_push(ptr noundef, float noundef) #2

declare i32 @wdelayf_read(ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!12, !6, i64 48}
!12 = !{!"eqlms_rrrf_s", !13, i64 0, !10, i64 4, !6, i64 8, !6, i64 16, !6, i64 24, !13, i64 32, !13, i64 36, !6, i64 40, !6, i64 48, !10, i64 56}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !10, i64 56}


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

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @eqlms_rrrf_update_sumsq(ptr nocapture noundef %0, float noundef %1) local_unnamed_addr #1 {
  %3 = alloca float, align 4
  %4 = fmul float %1, %1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %5 = getelementptr inbounds i8, ptr %0, i64 48
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = tail call i32 @wdelayf_push(ptr noundef %6, float noundef %4) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = call i32 @wdelayf_read(ptr noundef %8, ptr noundef nonnull %3) #3
  %10 = getelementptr inbounds i8, ptr %0, i64 56
  %11 = load float, ptr %10, align 8, !tbaa !12
  %12 = fadd float %4, %11
  %13 = load float, ptr %3, align 4, !tbaa !13
  %14 = fsub float %12, %13
  store float %14, ptr %10, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  ret i32 0
}

declare i32 @wdelayf_push(ptr noundef, float noundef) local_unnamed_addr #2

declare i32 @wdelayf_read(ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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, !11, i64 48}
!6 = !{!"eqlms_rrrf_s", !7, i64 0, !10, i64 4, !11, i64 8, !11, i64 16, !11, i64 24, !7, i64 32, !7, i64 36, !11, i64 40, !11, i64 48, !10, i64 56}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!6, !10, i64 56}
!13 = !{!10, !10, i64 0}


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