; LLVM IR from jgaeddert/liquid-dsp :: src/modem/src (modemcf)

; 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.modemcf_s = type { i32, i32, i32, [8 x float], ptr, i32, { float, float }, { float, float }, %union.anon, ptr, ptr, ptr, i32 }
%union.anon = type { %struct.anon.3 }
%struct.anon.3 = type { i32, [8 x i32], [8 x float], [8 x float], [8 x float], ptr }
%struct.anon.4 = type { ptr }
%struct.anon.5 = type { ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @modemcf_destroy(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.modemcf_s, ptr %3, i32 0, i32 4
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %11

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.modemcf_s, ptr %8, i32 0, i32 4
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  call void @free(ptr noundef %10) #3
  br label %11

11:                                               ; preds = %7, %1
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.modemcf_s, ptr %12, i32 0, i32 11
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %20

16:                                               ; preds = %11
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.modemcf_s, ptr %17, i32 0, i32 11
  %19 = load ptr, ptr %18, align 8, !tbaa !12
  call void @free(ptr noundef %19) #3
  br label %20

20:                                               ; preds = %16, %11
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.modemcf_s, ptr %21, i32 0, i32 0
  %23 = load i32, ptr %22, align 8, !tbaa !13
  %24 = icmp eq i32 %23, 42
  br i1 %24, label %25, label %30

25:                                               ; preds = %20
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.modemcf_s, ptr %26, i32 0, i32 8
  %28 = getelementptr inbounds %struct.anon.4, ptr %27, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !14
  call void @free(ptr noundef %29) #3
  br label %53

30:                                               ; preds = %20
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.modemcf_s, ptr %31, i32 0, i32 0
  %33 = load i32, ptr %32, align 8, !tbaa !13
  %34 = icmp eq i32 %33, 43
  br i1 %34, label %35, label %40

35:                                               ; preds = %30
  %36 = load ptr, ptr %2, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.modemcf_s, ptr %36, i32 0, i32 8
  %38 = getelementptr inbounds %struct.anon.5, ptr %37, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8, !tbaa !14
  call void @free(ptr noundef %39) #3
  br label %52

40:                                               ; preds = %30
  %41 = load ptr, ptr %2, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.modemcf_s, ptr %41, i32 0, i32 0
  %43 = load i32, ptr %42, align 8, !tbaa !13
  %44 = call i32 @liquid_modem_is_apsk(i32 noundef %43)
  %45 = icmp ne i32 %44, 0
  br i1 %45, label %46, label %51

46:                                               ; preds = %40
  %47 = load ptr, ptr %2, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.modemcf_s, ptr %47, i32 0, i32 8
  %49 = getelementptr inbounds %struct.anon.3, ptr %48, i32 0, i32 5
  %50 = load ptr, ptr %49, align 8, !tbaa !14
  call void @free(ptr noundef %50) #3
  br label %51

51:                                               ; preds = %46, %40
  br label %52

52:                                               ; preds = %51, %35
  br label %53

53:                                               ; preds = %52, %25
  %54 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %54) #3
  ret i32 0
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #1

declare i32 @liquid_modem_is_apsk(i32 noundef) #2

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 = { nounwind "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, !6, i64 48}
!10 = !{!"modemcf_s", !11, i64 0, !11, i64 4, !11, i64 8, !7, i64 12, !6, i64 48, !11, i64 56, !7, i64 60, !7, i64 68, !7, i64 80, !6, i64 224, !6, i64 232, !6, i64 240, !11, i64 248}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 240}
!13 = !{!10, !11, i64 0}
!14 = !{!7, !7, 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 @modemcf_destroy(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @free(ptr noundef nonnull %3) #3
  br label %5

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 240
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %.not13 = icmp eq ptr %7, null
  br i1 %.not13, label %9, label %8

8:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %7) #3
  br label %9

9:                                                ; preds = %8, %5
  %10 = load i32, ptr %0, align 8, !tbaa !12
  %11 = and i32 %10, -2
  %switch = icmp eq i32 %11, 42
  br i1 %switch, label %.sink.split, label %12

12:                                               ; preds = %9
  %13 = tail call i32 @liquid_modem_is_apsk(i32 noundef %10) #3
  %.not14 = icmp eq i32 %13, 0
  br i1 %.not14, label %16, label %.sink.split

.sink.split:                                      ; preds = %9, %12
  %.sink = phi i64 [ 80, %9 ], [ 216, %12 ]
  %14 = getelementptr inbounds i8, ptr %0, i64 %.sink
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  tail call void @free(ptr noundef %15) #3
  br label %16

16:                                               ; preds = %.sink.split, %12
  tail call void @free(ptr noundef nonnull %0) #3
  ret i32 0
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

declare i32 @liquid_modem_is_apsk(i32 noundef) local_unnamed_addr #2

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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 = { "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, !10, i64 48}
!6 = !{!"modemcf_s", !7, i64 0, !7, i64 4, !7, i64 8, !8, i64 12, !10, i64 48, !7, i64 56, !8, i64 60, !8, i64 68, !8, i64 80, !10, i64 224, !10, i64 232, !10, i64 240, !7, i64 248}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 240}
!12 = !{!6, !7, i64 0}
!13 = !{!8, !8, i64 0}


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