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

; 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.iirfiltsos_cccf_s = type { [3 x { float, float }], [3 x { float, float }], [3 x { float, float }], [3 x { float, float }], [3 x { float, float }] }

; Function Attrs: nounwind uwtable
define dso_local i32 @iirfiltsos_cccf_reset(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %3, i32 0, i32 4
  %5 = getelementptr inbounds [3 x { float, float }], ptr %4, i64 0, i64 0
  %6 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 0
  %7 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 1
  store float 0.000000e+00, ptr %6, align 4
  store float 0.000000e+00, ptr %7, align 4
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %8, i32 0, i32 4
  %10 = getelementptr inbounds [3 x { float, float }], ptr %9, i64 0, i64 1
  %11 = getelementptr inbounds { float, float }, ptr %10, i32 0, i32 0
  %12 = getelementptr inbounds { float, float }, ptr %10, i32 0, i32 1
  store float 0.000000e+00, ptr %11, align 4
  store float 0.000000e+00, ptr %12, align 4
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %13, i32 0, i32 4
  %15 = getelementptr inbounds [3 x { float, float }], ptr %14, i64 0, i64 2
  %16 = getelementptr inbounds { float, float }, ptr %15, i32 0, i32 0
  %17 = getelementptr inbounds { float, float }, ptr %15, i32 0, i32 1
  store float 0.000000e+00, ptr %16, align 4
  store float 0.000000e+00, ptr %17, align 4
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %18, i32 0, i32 2
  %20 = getelementptr inbounds [3 x { float, float }], ptr %19, i64 0, i64 0
  %21 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 0
  %22 = getelementptr inbounds { float, float }, ptr %20, i32 0, i32 1
  store float 0.000000e+00, ptr %21, align 4
  store float 0.000000e+00, ptr %22, align 4
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %23, i32 0, i32 2
  %25 = getelementptr inbounds [3 x { float, float }], ptr %24, i64 0, i64 1
  %26 = getelementptr inbounds { float, float }, ptr %25, i32 0, i32 0
  %27 = getelementptr inbounds { float, float }, ptr %25, i32 0, i32 1
  store float 0.000000e+00, ptr %26, align 4
  store float 0.000000e+00, ptr %27, align 4
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %28, i32 0, i32 2
  %30 = getelementptr inbounds [3 x { float, float }], ptr %29, i64 0, i64 2
  %31 = getelementptr inbounds { float, float }, ptr %30, i32 0, i32 0
  %32 = getelementptr inbounds { float, float }, ptr %30, i32 0, i32 1
  store float 0.000000e+00, ptr %31, align 4
  store float 0.000000e+00, ptr %32, align 4
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %33, i32 0, i32 3
  %35 = getelementptr inbounds [3 x { float, float }], ptr %34, i64 0, i64 0
  %36 = getelementptr inbounds { float, float }, ptr %35, i32 0, i32 0
  %37 = getelementptr inbounds { float, float }, ptr %35, i32 0, i32 1
  store float 0.000000e+00, ptr %36, align 4
  store float 0.000000e+00, ptr %37, align 4
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %38, i32 0, i32 3
  %40 = getelementptr inbounds [3 x { float, float }], ptr %39, i64 0, i64 1
  %41 = getelementptr inbounds { float, float }, ptr %40, i32 0, i32 0
  %42 = getelementptr inbounds { float, float }, ptr %40, i32 0, i32 1
  store float 0.000000e+00, ptr %41, align 4
  store float 0.000000e+00, ptr %42, align 4
  %43 = load ptr, ptr %2, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.iirfiltsos_cccf_s, ptr %43, i32 0, i32 3
  %45 = getelementptr inbounds [3 x { float, float }], ptr %44, i64 0, i64 2
  %46 = getelementptr inbounds { float, float }, ptr %45, i32 0, i32 0
  %47 = getelementptr inbounds { float, float }, ptr %45, i32 0, i32 1
  store float 0.000000e+00, ptr %46, align 4
  store float 0.000000e+00, ptr %47, align 4
  ret i32 0
}

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" }

!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"}


; 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 willreturn memory(argmem: write) uwtable
define dso_local noundef i32 @iirfiltsos_cccf_reset(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(72) %2, i8 0, i64 72, i1 false)
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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)"}


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