; LLVM IR from jgaeddert/liquid-dsp :: src/filter/src (filter_crcf)

; 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.firdecim_crcf_s = type { 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 @firdecim_crcf_freqresp(ptr noundef %0, float noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca float, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store float %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %8, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 8, !tbaa !14
  %14 = load float, ptr %5, align 4, !tbaa !9
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call i32 @liquid_freqrespf(ptr noundef %10, i32 noundef %13, float noundef %14, ptr noundef %15)
  store i32 %16, ptr %7, align 4, !tbaa !15
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %17, i32 0, i32 5
  %19 = load float, ptr %18, align 8, !tbaa !16
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 0
  %22 = load float, ptr %21, align 4
  %23 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 1
  %24 = load float, ptr %23, align 4
  %25 = fmul float %22, %19
  %26 = fmul float %24, %19
  %27 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 0
  %28 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 1
  store float %25, ptr %27, align 4
  store float %26, ptr %28, align 4
  %29 = load i32, ptr %7, align 4, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i32 %29
}

declare i32 @liquid_freqrespf(ptr noundef, i32 noundef, float 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 0}
!12 = !{!"firdecim_crcf_s", !6, i64 0, !13, i64 8, !13, i64 12, !6, i64 16, !6, i64 24, !10, i64 32}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!13, !13, i64 0}
!16 = !{!12, !10, i64 32}


; 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 i32 @firdecim_crcf_freqresp(ptr nocapture noundef readonly %0, float noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i32, ptr %5, align 8, !tbaa !12
  %7 = tail call i32 @liquid_freqrespf(ptr noundef %4, i32 noundef %6, float noundef %1, ptr noundef %2) #2
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = load float, ptr %8, align 8, !tbaa !13
  %10 = load <2 x float>, ptr %2, align 4
  %11 = insertelement <2 x float> poison, float %9, i64 0
  %12 = shufflevector <2 x float> %11, <2 x float> poison, <2 x i32> zeroinitializer
  %13 = fmul <2 x float> %12, %10
  store <2 x float> %13, ptr %2, align 4
  ret i32 %7
}

declare i32 @liquid_freqrespf(ptr noundef, i32 noundef, float noundef, ptr 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, !7, i64 0}
!6 = !{!"firdecim_crcf_s", !7, i64 0, !10, i64 8, !10, i64 12, !7, i64 16, !7, i64 24, !11, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"float", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !11, i64 32}


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