; 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.firfilt_cccf_s = type { ptr, i32, ptr, ptr, { float, float } }

@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.32 = external hidden unnamed_addr constant [85 x i8], align 1

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

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

declare ptr @liquid_error_config_fl(ptr noundef, i32 noundef, ptr noundef, ...) #2

; 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

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

declare ptr @windowcf_copy(ptr noundef) #2

declare ptr @dotprod_cccf_copy(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @firfilt_cccf_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.32, i32 noundef 298, ptr noundef @.str.14, ptr noundef @.str.3)
  store ptr %8, ptr %2, align 8
  br label %35

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 %4, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memmove.p0.p0.i64(ptr align 8 %11, ptr align 8 %12, i64 40, i1 false)
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %13, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %16, i32 0, i32 1
  %18 = load i32, ptr %17, align 8, !tbaa !12
  %19 = call ptr @liquid_malloc_copy(ptr noundef %15, i32 noundef %18, i32 noundef 8)
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %20, i32 0, i32 0
  store ptr %19, ptr %21, align 8, !tbaa !9
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = call ptr @windowcf_copy(ptr noundef %24)
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %26, i32 0, i32 2
  store ptr %25, ptr %27, align 8, !tbaa !13
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %28, i32 0, i32 3
  %30 = load ptr, ptr %29, align 8, !tbaa !14
  %31 = call ptr @dotprod_cccf_copy(ptr noundef %30)
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.firfilt_cccf_s, ptr %32, i32 0, i32 3
  store ptr %31, ptr %33, align 8, !tbaa !14
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %34, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %35

35:                                               ; preds = %9, %7
  %36 = load ptr, ptr %2, align 8
  ret ptr %36
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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, !6, i64 0}
!10 = !{!"firfilt_cccf_s", !6, i64 0, !11, i64 8, !6, i64 16, !6, i64 24, !7, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !6, i64 24}


; 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.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.32 = external hidden unnamed_addr constant [85 x i8], align 1

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

declare ptr @liquid_error_config_fl(ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #1

declare ptr @liquid_malloc_copy(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

declare ptr @windowcf_copy(ptr noundef) local_unnamed_addr #1

declare ptr @dotprod_cccf_copy(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local ptr @firfilt_cccf_copy(ptr noundef readonly %0) local_unnamed_addr #2 {
  %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.32, i32 noundef 298, ptr noundef nonnull @.str.14, ptr noundef nonnull @.str.3) #4
  br label %19

5:                                                ; preds = %1
  %6 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #5
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %6, ptr noundef nonnull align 8 dereferenceable(40) %0, i64 40, i1 false)
  %7 = load ptr, ptr %0, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %10 = tail call ptr @liquid_malloc_copy(ptr noundef %7, i32 noundef %9, i32 noundef 8) #4
  store ptr %10, ptr %6, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  %13 = tail call ptr @windowcf_copy(ptr noundef %12) #4
  %14 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %13, ptr %14, align 8, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %0, i64 24
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = tail call ptr @dotprod_cccf_copy(ptr noundef %16) #4
  %18 = getelementptr inbounds i8, ptr %6, i64 24
  store ptr %17, ptr %18, align 8, !tbaa !13
  br label %19

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

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

attributes #0 = { 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 #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 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !7, i64 0}
!6 = !{!"firfilt_cccf_s", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !8, 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 = !{!6, !10, i64 8}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !7, i64 24}


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