; LLVM IR from jgaeddert/liquid-dsp :: src/filter/src (filter_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.autocorr_rrrf_s = type { i32, i32, ptr, ptr, ptr, float, i32 }

; 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 @autocorr_rrrf_push(ptr noundef %0, float noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %6, i32 0, i32 2
  %8 = load ptr, ptr %7, align 8, !tbaa !11
  %9 = load float, ptr %4, align 4, !tbaa !9
  %10 = call i32 @windowf_push(ptr noundef %8, float noundef %9)
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %11, i32 0, i32 3
  %13 = load ptr, ptr %12, align 8, !tbaa !14
  %14 = load float, ptr %4, align 4, !tbaa !9
  %15 = fpext float %14 to double
  %16 = fptrunc double %15 to float
  %17 = call i32 @windowf_push(ptr noundef %13, float noundef %16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %18 = load float, ptr %4, align 4, !tbaa !9
  %19 = fpext float %18 to double
  %20 = load float, ptr %4, align 4, !tbaa !9
  %21 = fpext float %20 to double
  %22 = fmul double %19, %21
  %23 = fmul double %19, -0.000000e+00
  %24 = fptrunc double %22 to float
  store float %24, ptr %5, align 4, !tbaa !9
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %25, i32 0, i32 4
  %27 = load ptr, ptr %26, align 8, !tbaa !15
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %28, i32 0, i32 6
  %30 = load i32, ptr %29, align 4, !tbaa !16
  %31 = zext i32 %30 to i64
  %32 = getelementptr inbounds float, ptr %27, i64 %31
  %33 = load float, ptr %32, align 4, !tbaa !9
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %34, i32 0, i32 5
  %36 = load float, ptr %35, align 8, !tbaa !17
  %37 = fsub float %36, %33
  store float %37, ptr %35, align 8, !tbaa !17
  %38 = load float, ptr %5, align 4, !tbaa !9
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %39, i32 0, i32 5
  %41 = load float, ptr %40, align 8, !tbaa !17
  %42 = fadd float %41, %38
  store float %42, ptr %40, align 8, !tbaa !17
  %43 = load float, ptr %5, align 4, !tbaa !9
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %44, i32 0, i32 4
  %46 = load ptr, ptr %45, align 8, !tbaa !15
  %47 = load ptr, ptr %3, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %47, i32 0, i32 6
  %49 = load i32, ptr %48, align 4, !tbaa !16
  %50 = zext i32 %49 to i64
  %51 = getelementptr inbounds float, ptr %46, i64 %50
  store float %43, ptr %51, align 4, !tbaa !9
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %52, i32 0, i32 6
  %54 = load i32, ptr %53, align 4, !tbaa !16
  %55 = add i32 %54, 1
  %56 = load ptr, ptr %3, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %56, i32 0, i32 0
  %58 = load i32, ptr %57, align 8, !tbaa !18
  %59 = urem i32 %55, %58
  %60 = load ptr, ptr %3, align 8, !tbaa !5
  %61 = getelementptr inbounds %struct.autocorr_rrrf_s, ptr %60, i32 0, i32 6
  store i32 %59, ptr %61, align 4, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 0
}

declare i32 @windowf_push(ptr noundef, float 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 8}
!12 = !{!"autocorr_rrrf_s", !13, i64 0, !13, i64 4, !6, i64 8, !6, i64 16, !6, i64 24, !10, i64 32, !13, i64 36}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !6, i64 24}
!16 = !{!12, !13, i64 36}
!17 = !{!12, !10, i64 32}
!18 = !{!12, !13, i64 0}


; 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: nounwind uwtable
define dso_local noundef i32 @autocorr_rrrf_push(ptr nocapture noundef %0, float noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call i32 @windowf_push(ptr noundef %4, float noundef %1) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !12
  %8 = tail call i32 @windowf_push(ptr noundef %7, float noundef %1) #2
  %9 = fmul float %1, %1
  %10 = getelementptr inbounds i8, ptr %0, i64 24
  %11 = load ptr, ptr %10, align 8, !tbaa !13
  %12 = getelementptr inbounds i8, ptr %0, i64 36
  %13 = load i32, ptr %12, align 4, !tbaa !14
  %14 = zext i32 %13 to i64
  %15 = getelementptr inbounds float, ptr %11, i64 %14
  %16 = load float, ptr %15, align 4, !tbaa !15
  %17 = getelementptr inbounds i8, ptr %0, i64 32
  %18 = load float, ptr %17, align 8, !tbaa !16
  %19 = fsub float %18, %16
  %20 = fadd float %9, %19
  store float %20, ptr %17, align 8, !tbaa !16
  store float %9, ptr %15, align 4, !tbaa !15
  %21 = add i32 %13, 1
  %22 = load i32, ptr %0, align 8, !tbaa !17
  %23 = urem i32 %21, %22
  store i32 %23, ptr %12, align 4, !tbaa !14
  ret i32 0
}

declare i32 @windowf_push(ptr noundef, float noundef) local_unnamed_addr #1

attributes #0 = { 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 = { "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, !10, i64 8}
!6 = !{!"autocorr_rrrf_s", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24, !11, i64 32, !7, i64 36}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"float", !8, i64 0}
!12 = !{!6, !10, i64 16}
!13 = !{!6, !10, i64 24}
!14 = !{!6, !7, i64 36}
!15 = !{!11, !11, i64 0}
!16 = !{!6, !11, i64 32}
!17 = !{!6, !7, i64 0}


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