; 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 }

@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [86 x i8], align 1
@.str.29 = external hidden unnamed_addr constant [43 x i8], align 1

declare ptr @liquid_error_config_fl(ptr noundef, i32 noundef, ptr noundef, ...) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local ptr @firdecim_crcf_copy(ptr noundef %0) #4 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %9

7:                                                ; preds = %1
  %8 = call ptr (ptr, i32, ptr, ...) @liquid_error_config_fl(ptr noundef @.str.18, i32 noundef 156, ptr noundef @.str.29, ptr noundef @.str.2)
  store ptr %8, ptr %2, align 8
  br label %58

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %10 = call noalias ptr @malloc(i64 noundef 40) #6
  store ptr %10, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %3, 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 !9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %14, i32 0, i32 1
  store i32 %13, ptr %15, align 8, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %16, i32 0, i32 2
  %18 = load i32, ptr %17, align 4, !tbaa !13
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %19, i32 0, i32 2
  store i32 %18, ptr %20, align 4, !tbaa !13
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %21, i32 0, i32 1
  %23 = load i32, ptr %22, align 8, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = mul i64 %24, 4
  %26 = call noalias ptr @malloc(i64 noundef %25) #6
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %27, i32 0, i32 0
  store ptr %26, ptr %28, align 8, !tbaa !14
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %29, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8, !tbaa !14
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !14
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %35, i32 0, i32 1
  %37 = load i32, ptr %36, align 8, !tbaa !9
  %38 = zext i32 %37 to i64
  %39 = mul i64 %38, 4
  call void @llvm.memmove.p0.p0.i64(ptr align 4 %31, ptr align 4 %34, i64 %39, i1 false)
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %40, i32 0, i32 3
  %42 = load ptr, ptr %41, align 8, !tbaa !15
  %43 = call ptr @windowcf_copy(ptr noundef %42)
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %44, i32 0, i32 3
  store ptr %43, ptr %45, align 8, !tbaa !15
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %46, i32 0, i32 4
  %48 = load ptr, ptr %47, align 8, !tbaa !16
  %49 = call ptr @dotprod_crcf_copy(ptr noundef %48)
  %50 = load ptr, ptr %4, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %50, i32 0, i32 4
  store ptr %49, ptr %51, align 8, !tbaa !16
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %52, i32 0, i32 5
  %54 = load float, ptr %53, align 8, !tbaa !17
  %55 = load ptr, ptr %4, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.firdecim_crcf_s, ptr %55, i32 0, i32 5
  store float %54, ptr %56, align 8, !tbaa !17
  %57 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %57, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %58

58:                                               ; preds = %9, %7
  %59 = load ptr, ptr %2, align 8
  ret ptr %59
}

declare ptr @windowcf_copy(ptr noundef) #0

declare ptr @dotprod_crcf_copy(ptr noundef) #0

attributes #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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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, !11, i64 8}
!10 = !{!"firdecim_crcf_s", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !12, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!10, !11, i64 12}
!14 = !{!10, !6, i64 0}
!15 = !{!10, !6, i64 16}
!16 = !{!10, !6, i64 24}
!17 = !{!10, !12, 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"

@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [86 x i8], align 1
@.str.29 = external hidden unnamed_addr constant [43 x i8], align 1

declare ptr @liquid_error_config_fl(ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @firdecim_crcf_copy(ptr noundef readonly %0) local_unnamed_addr #3 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %3, label %5

3:                                                ; preds = %1
  %4 = tail call ptr (ptr, i32, ptr, ...) @liquid_error_config_fl(ptr noundef nonnull @.str.18, i32 noundef 156, ptr noundef nonnull @.str.29, ptr noundef nonnull @.str.2) #4
  br label %26

5:                                                ; preds = %1
  %6 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = getelementptr inbounds i8, ptr %6, i64 8
  %9 = load <2 x i32>, ptr %7, align 8, !tbaa !5
  store <2 x i32> %9, ptr %8, align 8, !tbaa !5
  %10 = extractelement <2 x i32> %9, i64 0
  %11 = zext i32 %10 to i64
  %12 = shl nuw nsw i64 %11, 2
  %13 = tail call noalias ptr @malloc(i64 noundef %12) #5
  store ptr %13, ptr %6, align 8, !tbaa !9
  %14 = load ptr, ptr %0, align 8, !tbaa !9
  tail call void @llvm.memmove.p0.p0.i64(ptr align 4 %13, ptr align 4 %14, i64 %12, i1 false)
  %15 = getelementptr inbounds i8, ptr %0, i64 16
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = tail call ptr @windowcf_copy(ptr noundef %16) #4
  %18 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %17, ptr %18, align 8, !tbaa !13
  %19 = getelementptr inbounds i8, ptr %0, i64 24
  %20 = load ptr, ptr %19, align 8, !tbaa !14
  %21 = tail call ptr @dotprod_crcf_copy(ptr noundef %20) #4
  %22 = getelementptr inbounds i8, ptr %6, i64 24
  store ptr %21, ptr %22, align 8, !tbaa !14
  %23 = getelementptr inbounds i8, ptr %0, i64 32
  %24 = load float, ptr %23, align 8, !tbaa !15
  %25 = getelementptr inbounds i8, ptr %6, i64 32
  store float %24, ptr %25, align 8, !tbaa !15
  br label %26

26:                                               ; preds = %5, %3
  %.0 = phi ptr [ %4, %3 ], [ %6, %5 ]
  ret ptr %.0
}

declare ptr @windowcf_copy(ptr noundef) local_unnamed_addr #0

declare ptr @dotprod_crcf_copy(ptr noundef) local_unnamed_addr #0

attributes #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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

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


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